The planet will travel a distance of 17.088 x 106 miles in 8 days.
What is distance?Distance is a numerical measurement of how far apart two or more objects, people, or locations are from one another. It is a fundamental concept in geometry, physics, and mathematics. Distance can be measured in a variety of ways, such as kilometers, miles, feet, inches, and light years. Distance can also refer to the physical separation between two points, such as the length of a line or the circumference of a circle. Distance can also refer to the emotional or psychological divide between two people. Distance can be both positive and negative, as it can bring people together or drive them apart.
To calculate how far the planet will travel in 8 days, we must first calculate the distance the planet will travel in one day. To do this, we must multiply the speed of the planet (8.9 x 104 mph) by 24 hours, which represents one day:
Distance in 1 day = 8.9 x 104 mph x 24 hours
Distance in 1 day = 2.136 x 106 miles
Now that we know the distance in one day, we can calculate the distance the planet will travel in 8 days. To do this, we must multiply the distance in one day (2.136 x 106 miles) by 8 days:
Distance in 8 days = 2.136 x 106 miles x 8 days
Distance in 8 days = 17.088 x 106 miles
Therefore, the planet will travel a distance of 17.088 x 106 miles in 8 days.
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Alex did 9/12 of his homework problems. He did thirty. How many homework problems does alex have?
Adult tickets to a basketball game cost $5. Student tickets cost $1. A total of $2,600 was collected on the sale of 1,160 tickets. How many of each type of ticket were sold?
Answer:
360 adult tickets and 800 student tickets were sold.
Step-by-step explanation:
Let's use a system of equations to solve this problem.
Let x be the number of adult tickets sold, and y be the number of student tickets sold. We know that a total of 1,160 tickets were sold, so:
x + y = 1160
We also know that the total amount collected was $2,600. The amount collected from adult tickets is $5 times the number of adult tickets sold, and the amount collected from student tickets is $1 times the number of student tickets sold. So:
5x + 1y = 2600
Now we have a system of two equations:
x + y = 1160
5x + y = 2600
We can solve for one of the variables in terms of the other, and substitute into the other equation to solve for the remaining variable. For example, we can solve the first equation for y:
y = 1160 - x
Now substitute this expression for y into the second equation:
5x + (1160 - x) = 2600
Simplifying and solving for x:
4x + 1160 = 2600
4x = 1440
x = 360
So 360 adult tickets were sold. To find the number of student tickets sold, we can use either equation. Let's use the first equation:
x + y = 1160
360 + y = 1160
y = 800
So 800 student tickets were sold.
Therefore, 360 adult tickets and 800 student tickets were sold.
please answer as O(m)=
and V(m)=
The function to represent the average cost of each satellite television subscription per month would be:
f(x) = (140 + 30x) / 60 for the Orbit company
f(x) = (20 + 35x) / 60 for the Vision company
What is time complexity?
Time complexity refers to the amount of time an algorithm or program takes to run as the input size increases. It is a measure of the efficiency of an algorithm, and it is usually expressed in terms of the "big O" notation.
Cost of Orbit company subscription
= $140 + ($30/month * 12 months * 5 years) = $2140
Cost of Vision company subscription
= $20 + ($35/month * 12 months * 5 years) = $2120
Therefore, the average cost of each satellite television subscription per month for the given period is:
(Cost of Orbit subscription + Cost of Vision subscription) / (12 months * 5 years) = ($2140 + $2120) / (12 * 5) = $35.67 per month
Time complexity O(1), and space complexity V(1) because the calculation only involves basic arithmetic operations and a fixed number of variables.
So, the function to represent the average cost of each satellite television subscription per month would be:
f(x) = (140 + 30x) / 60 for the Orbit company
f(x) = (20 + 35x) / 60 for the Vision company
where x represents the number of years Federico plans to stay in his house.
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Two triangles each have angles with measures x and yº. Complete the statement to show algebraically why a = b.
X
a
y
X
b
Tile1 180°
Tile3 b
Tiles Angle Addition
Theorem,x+y+a-180° and x+y+b=
By the
Subtract equal quantities from both sides to get a-
Tiles:
y
D
B.By substitution, x+y+a-
Tile2 x
Tile4 x+y+b
Tile6 Triangle Sum
k
с
By the Triangle Sum Theorem, x + y + a = 180° and x + y + b = 180°. By substitution, x + y + a = 180°. Subtract equal quantities from both sides to get a = b.
What is a triangle?In Mathematics, a triangle is a two-dimensional geometric shape that comprises three sides, three vertices and three angles only.
Furthermore, the sum of the angles in a triangle is equal to 180. This ultimately implies that, we would sum up all of the angles as follows;
x + y + b = 180°
By substitution, we have the following:
x + y + a = 180°
Next, we would subtract equation 1 from equation 2, we have:
a - b = 0
a = b (Prove).
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A triangle with a height of 16 inches. The height is perpendicular to the base labeled 32 inches. The side from the top of the perpendicular side to the base is labeled 35 inches. What is the area of the triangle represented? 256 in2 280 in2 512 in2 560 in2
256 in² is the area of the triangle represented.
What is known as a triangle?
A triangle is a three-sided polygon because it has three vertices. The connection of the three sides end to end at a single point creates the angles of the triangle.
The triangle's three points amount to a sum of 180 degrees. This two-dimensional shape has three straight sides. A triangle is included as a polygon with three sides. The sum of the three angles in a triangle is 180 degrees.
Area of a triangle = 1/2 * base * height
for this triangle: base = 32 in height = 16 in
area = 1/2 ( 32)(16) = 256 in²
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PLEASE HELP BOTTOM PROBLEM
Answer:
Step-by-step explanation:
h+f
Find the volume of a silo formed by a cylinder with a height of 150 feet and half sphere with a radius of 35 feet.
Therefore, the volume of a cycle that is shaped like a cylinder with a height of 150 feet and a radius of 35 feet is 576975 ft^3.
Step-by-step explanation:They are asking us to calculate the volume of a cycle, formed by a cylinder (The cycle is shaped like a cylinder).
To calculate the volume, we apply the formula:
V = πr²hWe know that the height you have is 150 feet, and the radius is 35 feet, we solve:
V = 3.14 × (35 ft)² × 150 ft
V = 3.14 × 1225 ft² × 150 ft
V = 576975 ft³
Therefore, the volume of a cycle that is shaped like a cylinder with a height of 150 feet and a radius of 35 feet is 576975 ft^3.
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1. Leveled Practice Draw the image of
AABC after a dilation with center (0, 0)
and scale factor
Find the coordinates of each point in the
original figure.
A: (
B: (
C: (
Multiply each coordinate by
Find the coordinates of each point in
the image:
A': (
B': (
). (
0.0
). (
Graph the image.
), (
C': (
6
4
Ay
8
-2₁
6
4
2
-2
B
4
6
-8
2
4
6
8
ordinates 0(4, 5),
Answer:
The problem seems to be missing some important information such as the scale factor and the coordinates of the points in the original figure. Without this information, I cannot provide a complete solution to the problem. Please provide me with the missing information so I can help you better.
Step-by-step explanation:
Draw the line of reflection that reflects
△
�
�
�
△ABCtriangle, A, B, C onto
△
�
′
�
′
�
′
△A
′
B
′
C
′
triangle, A, prime, B, prime, C, prime.
The middle οf BC and B′C′ shοuld be crοssed by a line. This line serves as the triangle's reflectiοn line.
what is line ?A line is a straight, οne-dimensiοnal figure in geοmetry that can gο οn fοrever in bοth directiοns. It is frequently depicted as an infinitely lοng straight line with arrοws at bοth ends. Any twο οf its pοints, referred tο as a line's endpοints, are what characterize a line. Geοmetrical cοncepts like angles, planes, and shapes are defined in terms οf lines, which are fundamental geοmetrical οbjects. These can be depicted using mathematical sοftware οr a straightedge and pencil.
Finding the perpendicular bisectοr οf each pair οf related sides is necessary befοre we can cοnstruct the line οf reflectiοn that reflects triangle ABC οntο triangle A′B′C′. We will find the center οf reflectiοn at the pοint where these three perpendicular bisectοrs cοnnect.
Bypassing the intersectiοn οf AB and A′B′, draw a line. Identify this pοint as M.
The middle οf AC and A′C′ shοuld be crοssed by a line. Identify this pοint as N.
The middle οf BC and B′C′ shοuld be crοssed by a line. Identify this pοint as O.
Lοcate where the MN and MO lines cοnverge. Put a P after this place.
The middle οf BC and B′C′ shοuld be crοssed by a line. This line serves as the triangle's reflectiοn line.
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Complete Question:
Draw the line of reflection that reflects △ABC onto triangle Δ A'B'C'
the statistical abstract of the united states reports that 38 percent of the country's households are composed of one person. if 7 randomly selected homes are to participate in a nielson survey to determine television ratings, find the probability that fewer than two of these homes are one-person households.
The probability that fewer than two of the seven households are one-person households is:P(x ≤ 1) = P(0) + P(1) = 0.002 + 0.0322 = 0.0342.
The statistical abstract of the United States reports that 38 percent of the country's households are composed of one person. If 7 randomly selected homes are to participate in a Nielsen survey to determine television ratings, the probability that fewer than two of these homes are one-person households is 0.0813.Explanation:Given that the statistical abstract of the United States reports that 38% of the country's households are composed of one person.Now, we have to find the probability that fewer than two of these homes are one-person households when 7 randomly selected homes participate in a Nielsen survey to determine television ratings.
We are given: The proportion of one-person households = 38% = 0.38. The proportion of households with more than one person = 100% - 38% = 62% = 0.62. We are supposed to find the probability that fewer than two of the seven households are one-person households.The required probability is the sum of the probabilities of selecting 0 one-person households and 1 one-person household.
P(x ≤ 1) = P(0) + P(1)P(0) = probability of selecting 0 one-person households P(1) = probability of selecting 1 one-person householdn = 7, r = 0 P(0) = (7C0)(0.38)^0(0.62)^(7-0) = 0.002 P(1) = (7C1)(0.38)^1(0.62)^(7-1) = 0.0322
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Need help ASAP!!
All exponential functions can be written in many forms. Write the function
f(t) = 750(0.65) ^t\35 in the form f(t) =ab^t. Round all coefficients to four decimal
places.
The final form of the exponential function is: f(t) = 750(0.8825)raise to the power t
what is exponential function?
An exponential function is a mathematical function of the form f(x) = a to the power x, where "a" is a positive constant (called the base of the exponential function) and "x" is a variable that can take on any real number value.
The key property of an exponential function is that the output value (or "y" value) grows or decays at a constant rate as the input value (or "x" value) increases or decreases. This constant rate of growth or decay is determined by the base "a" of the function.
When the base "a" is greater than 1, the function represents exponential growth, where the output value increases rapidly as the input value increases. When the base "a" is between 0 and 1, the function represents exponential decay, where the output value decreases rapidly as the input value increases.
Exponential functions are commonly used to model natural phenomena such as population growth, radioactive decay, and compound interest. They also have many applications in science, engineering, economics, and finance.
Starting with the given exponential function:
f(t) = 750(0.65)raise to the power (t/35)
We can rewrite 0.65 as 0.65, and 35 as 5 * 7. Then we have:
f(t) = 750(0.65)raise to the power (t/(5*7))
Using the exponent rule that (a to the power b)to the power c = a to the power (bc), we can simplify the expression inside the parentheses:
f(t) = 750(0.65 to the power (t/5))⁷
Letting a = 750 and b = 0.65 to the power(1/5), we can write the function in the desired form:
f(t) = ab to the power , where a ≈ 750 and b ≈ 0.8825 (rounded to four decimal places)
Therefore, the final form of the exponential function is:
f(t) = 750(0.8825) to the power t
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Twenty-five students were asked to rate—on a scale of 0 to 10—how important it is to reduce pollution. A rating of 0 means “not at all important” and a rating of 10 means “very important.” Here is a dot plot of their responses.
Explain why a rating of 6 is not a good description of the center of this data set.
After answering the provided question, we can state that As a result, expression rather than a rating of 6, it would be more appropriate to use the median to describe the centre of this data set.
what is expression ?An expression in mathematics is a collection of interpretations, digits, and transnational corporations that resemble a causative link or regimen. A real number, a mutable, or a combination of the two can be used as an expression. Mathematical operators include extension, subtraction, rapid spread, separation, and exponentiation. Expressions are widely used in arithmetic, mathematics, and shape. They are used in the representation of mathematical formulas, the solution of equations, and the simplification of mathematical relationships.
Because the dot plot is not symmetrical and the distribution appears to be skewed towards higher ratings, a rating of 6 may not be a good description of the centre of this data set. The numbers 8, 9, and 10 are more common than the numbers 0-7, indicating that the data set has a right skew.
As a result, the centre of the data set may be better described by a measure of central tendency that accounts for data skewness, such as the median.
As a result, rather than a rating of 6, it would be more appropriate to use the median to describe the centre of this data set.
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during the course of the basketball season, lisa made 80 out of 100 free throws. when we say that her probability of making a free throw is 0.8, what type of probability are we stating?
Answer:
.8/10
Because Lisa made 80 out of 100 free throws, and her probability of making a free throw is 0.8, the probability would be .8/10.
Step-by-step explanation: this may be wrong due to lack of detail in the question.
For each of the following story problems, determine whether the problem can be solved by subtracting 1 2 − 1 3. If not, explain why not, and explain how the problem should be solved if there is enough information to do so. If there is not enough information to solve the problem, explain why not. Zelha pours 1 2 cup of water into an empty bowl and then pours out 1 3. How much water is in the bowl now? Zelha pours 1 2 cup of water into an empty bowl and then pours out 1 3 cup of water. How much water is in the bowl now? Zelha pours 1 2 cup of water into an empty bowl and then pours out 1 3 of the water that is in the bowl. How much water is in the bowl now? Yesterday James ate 1 2 of a pizza, and today he ate 1 3 of a pizza of the same size. How much more pizza did James eat yesterday than today? Yesterday James ate 1 2 of a pizza, and today he ate 1 3 of the whole pizza. Nobody else ate any of that pizza. How much pizza is left? Yesterday James ate 1 2 of a pizza, and today he ate 1 3 of the pizza that was left over from yesterday. Nobody else ate any of that pizza. How much pizza is left?
For problem (A), subtracting A and B alone cannot solve the problem as the result does not provide the amount of water left in the bowl, and for problem (B), subtracting A and B can solve the problem as it provides the amount of pizza left after James ate.
(A) This problem cannot be solved by subtracting A and B. If we subtract 1/3 from 1/2, we get 1/6, which is the amount of water that was poured out. However, this does not tell us how much water is left in the bowl. To solve the problem, we need to subtract 1/3 from 1/2 and then subtract the result from 1/2. This gives us
1/2 - 1/3 = 1/6
1/2 - 1/6 = 1/3
Therefore, there is 1/3 cup of water left in the bowl.
(B) This problem can be solved by subtracting A and B. If James ate 1/2 of the pizza yesterday and 1/3 of the pizza today, then he ate a total of
1/2 + 1/3 = 5/6
of the pizza. Therefore, the amount of pizza left is:
1 - 5/6 = 1/
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The given question is incomplete, the complete question is:
determine whether the problem can be solved by subtracting A and B . If not, explain why not, and explain how the problem should be solved if there is enough information to do so
A) Zelha pours 1 2 cup of water into an empty bowl and then pours out 1 3. How much water is in the bowl now? Zelha pours 1 2 cup of water into an empty bowl and then pours out 1 3 cup of water. How much water is in the bowl now? (B) Yesterday James ate 1 2 of a pizza, and today he ate 1 3 of the whole pizza. Nobody else ate any of that pizza. How much pizza is left?
The equation shows the average cost, y, in dollars, of
electricity per kilowatt hour (kWh) used, x, for homes in
the state of Missouri in 2011.
Based on the equation what would be the cost, in dollars,
for a home using O kWh of electricity in 2011?
1
y= X
10
After answering the presented question, we can conclude that As a equation result, in 2011, the cost of a residence utilising 0 kWh of power would be zero dollars.
What is equation?In mathematics, an equation is a proposition that states the equivalence of two expressions. An equation consists of two sides separated by a system of equations (=). For instance, the statement "2x + 3 = 9" states that the word "2x Plus 3" equals the integer "9". The goal of solving equations is to find the value or amounts of the variable in the model) that will permit the calculation to be accurate. Mathematics can be simple or complex, linear or nonlinear, and contain one or more parts. For example, in the equation "x2 + 2x - 3 = 0," the variable x is raised to the power of 2. Lines are used in many areas of mathematics, including algebra, arithmetic, and geometry.
y = x/10 is the provided equation.
If a residence uses 0 kWh of power (x=0), the cost of electricity is as follows:
y = x/10 = 0/10 = $0 per kWh.
As a result, in 2011, the cost of a residence utilising 0 kWh of power would be zero dollars.
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help, please will give brainliest
Answer: from year 3 to 4, percentage is 32%
Step-by-step explanation: the growth is th largest, showing a difference of eight. and 8% is so little it would not make sense
The sum of the first 9 term is 171 and the sum of the next 5 term is 235 find the common difference,first term and sequence
The arithmetic sequence is:
3, 7, 11, 15, 19, 23, 27, 31, 35, 39, 43,....
Common difference = 4
First term = 3
How to find the sum of an arithmetic sequence?The formula for the sum of the first n terms of an arithmetic sequence is:
Sₙ = ⁿ/₂[2a + (n − 1)d]
where:
n = the number of terms to be added.
a = the first term in the sequence.
d = common difference
We are told that sum of the first 9 term is 171. Thus:
(9/2) [2a + (9 − 1)d] = 171
(2a + 8d) = 38 ----(1)
Sum of the next 5 term is 235.
Thus, sum of the first 14 terms = 235 + 171 = 406
(14/2) [2a + (14 − 1)d] = 406
7(2a + 13d) = 406
2a + 13d = 58 -----(2)
Subtract eq 1 from eq 2 to get:
5d = 20
d = 4
2a + 13(4) = 58
2a = 58 - 52
a = 3
Sequence is:
3, 7, 11, 15, 19, 23, 27, 31, 35, 39, 43,....
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What is the mean of this data set?{1/2,1/3,2/3,11/2 fraction
there are four numbers in this data set we divide by 4 to get the mean which is 6.5/4 = 1.6251.
What is mean ?
The mean is generally the average of a given set of numbers. It is the value that gives the central tendency from a given set of observations.
In statistics, three measures define the central values of the observed data they are mean, median, and mode
The mean for a given set of numbers can be computed in more than one way, including the arithmetic mean method, which uses the sum of the numbers in the series
The mean of a data set is calculated by adding up all the numbers in the data set and then dividing by the total number of values in the set.
In this case, we have a data set of
{1/2,1/3,2/3,11/2}.
Adding these numbers together gives us
1/2 + 1/3 + 2/3 + 11/2 = 6.5.
Since there are four numbers in this data set,
we divide by 4 to get the mean which is 6.5/4 = 1.6251.
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question 3 options: an intensive care unit medical lab has an average turnaround time of 26.2 minutes and a standard deviation of 1.05 minutes. the upper specification limit is 30 minutes, and the lower specification limit is 20 minutes. what is the process capability index for this lab? round your answer to the nearest three decimal places.
The process capability index for this lab is 5.14
We know that the formula for the process capability index is:
[tex]C_{p}=min(\frac{X-LS}{3\sigma} , \frac{US-X}{3\sigma} )[/tex]
Here, the average turnaround(X) = 26.2
the standard deviation ( σ) = 1.05 minutes
the nominal value for service = 30 minutes
the upper specification= 50 minutes
and lower specification = 10 minutes
Using above formula the process capability index would be,
[tex]C_{p}=min(\frac{X-LS}{3\sigma} , \frac{US-X}{3\sigma} )\\\\C_{p}=min(\frac{26.2-10}{3\times 1.05} , \frac{50-26.2}{3.15} )\\\\C_{p}=min(\frac{16.2}{3.15} , \frac{23.8}{3.15} )\\\\C_{p}=min(5.14, 7.56)\\\\C_{p}=5.14[/tex]
Therefore, the process capability index is 5.14
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In an inverse variation, what happens to the values of the two variables? a. they are both constant c. as one value increases, the other increases b. they both decrease d. as one value increases, the other decreases Please select the best answer from the choices provided A B C D
In an inverse variation as one value increases, the other decreases. Option D
what happens to the values of the two variables in an inverse variationInverse variation is a mathematical relationship between two variables in which the product of the two variables is a constant. In other words, if the value of one variable increases, then the value of the other variable decreases in such a way that their product remains constant.
For example, if y is inversely proportional to x, then we can write it as y = k/x, where k is the constant of variation. As x increases, y must decrease to keep the product of x and y constant.
So, the correct answer is D, as one value increases, the other decreases. As one value decreases, the other increases to maintain the constant product. Inverse variation is also called inverse proportionality.
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a software developer wants to know how many new computer games people buy each year. assume a previous study found the variance to be 1.44 . she thinks the mean is 6 computer games per year. what is the minimum sample size required to ensure that the estimate has an error of at most 0.15 at the 99% level of confidence? round your answer up to the next integer.
The minimum sample size required to ensure that the estimate has an error of at most 0.15 at the 99% level of confidence = 426
Here, the population variance is σ² = 1.44
The mean is [tex]\bar{x}[/tex] = 6
And the margin of error is E = 0.15
The standard deviation is given by,
⇒ σ = [tex]\sqrt{1.44}[/tex]
⇒ σ = 1.2
Here, the confidence level is 99%
So, the level of signoficance would be,
⇒ α = (100 - 99)%
⇒ α = 0.01
From the normal distribution table the critical value would be,
[tex]z_{\alpha /2}[/tex] = 2.58
Now we find the sample size :
[tex]n=(\frac{z_{\alpha /2}\times \sigma}{E} )^2\\\\n=(\frac{2.58 \times 1.2}{0.15} )^2[/tex]
n = 426
Therefore, the sample size is 426
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The area of a circle is 2.0096 square miles. What is the circle's radius?
Answer:
If the area of a circle is 2.0096 square miles. The circle's radius is 0.8 .
What is the probability of rolling a one on the first die and a three on the second die
If we roll two die, number of possible outcome is 1 and total number of outcome is 36 therefore the the probability of rolling a one on the first die and a three on the second die is 1/36.
Total number outcome is :
(1,1) (1,2) (1,3) (1,4) (1,5) (1,6)
(2,1) (2,2) (2,3) (2,4) (2,5) (2,6)
(3,1) (3,2) (3,3) (3,4) (3,5) (3,6)
(4,1) (4,2) (4,3) (4,4) (4,5) (4,6)
(5,1) (5,2) (5,3) (5,4) (5,5) (5,6)
(6,1) (6,2) (6,3) (6,4) (6,5) (6,6)
Number of possible outcome is 1
Probability refers to potential. A random event's occurrence is the subject of this area of mathematics. The range of the value is 0 to 1. Mathematics has incorporated probability to forecast the likelihood of various events. The degree to which something is likely to happen is basically what probability means. You will learn the potential outcomes for a random experiment using this fundamental theorem of probability, which is also applied to the probability distribution. Knowing the total number of outcomes is necessary before we can calculate the likelihood that a specific event will occur.
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Alisha spent 35 minutes completing her math homework. Jordana spent less time than Alisha. How long did Jordana spend on her math homework? and the rest below help please
Answer:
28 minutes
Step-by-step explanation:
1/5 × 35 = 7
35 - 7 = 28
f(x) = log1/9x; translation 8 units right followed by a vertical stretch by a factor of 5
A) g(x)=5log1/9(x-8)
B) g(x)=log1/9 5x-8
C) g(x) log1/9 (5x-8)
D) g(x) 5log1/9 x-40
Answer: its 7
Step-by-step explanation:
its 7
7+3p2Write the polynomial in standard form. Identify the degree and leading coefficient of the polynomial. Then classify the polynomial by the number of terms.
The degree of the polynomial is 2, and the leading coefficient is 3. The polynomial has two terms, so we classify it as a binomial.
What is the polynomial equation?
A polynomial equation is an equation in which the variable(s) are raised to non-negative integer powers and the coefficients are constants. In other words, it is an equation in which the terms involve only addition, subtraction, multiplication, and positive integer exponents.
Assuming that the expression is 7 + 3p²:
To write the polynomial in standard form, we need to arrange the terms in descending order of degree:
3p² + 7
hence, The degree of the polynomial is 2, and the leading coefficient is 3. The polynomial has two terms, so we classify it as a binomial.
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Karina is going to a theme park and will be splitting the cost of a hotel room with her friend. She will pay $38 for theme park admission plus $10 for lunch. She will also cover the cost of parking, which is $4 per hour. Write an expression to represent the cost of Karina's theme park trip if r represents the cost of the hotel room and h represents the number of hours they park. How much will Karina pay if they park for 7 hours and the hotel room costs $86?
If the hοtel rοοm fοr Karina and her friend cοsts $86 and they park fοr 7 hοurs, then she will pay $119.
What is the cοst?The cοst οf anything is the sum οf mοney οr resοurces that must be used up in οrder tο acquire οr manufacture it. It is a measurement οf the cοsts incurred tο attain a specific οbjective οr result.
The expressiοn tο represent the cοst οf Karina's theme park trip wοuld be:
38 + 10 + 4h + (1/2)r
This includes the $38 entry price, the $10 lunch expense, and the $4 per hοur parking expense fοr the 72 hοurs. Given that Karina and her friend are splitting the cοst οf the hοtel rοοm, the final phrase (1/2)r denοtes Karina's pοrtiοn οf the expense.
If the hοtel rοοm fοr Karina and her friend cοsts $86 and they park fοr 7 hοurs, we can change these values intο the fοrmula tο make it simpler:
= 38 + 10 + 4(7) + (1/2)(86)
= 38 + 10 + 28 + 43
= $119
Therefοre, Karina will pay $119 fοr her theme park trip.
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Amelia needs to buy some cat food at the nearest store three packs of cat food cost $14.25 how much would Amelia spend on five bags of cat food
Answer: It costs 23.75 for 5 bags of cat food.
Step-by-step explanation: If 3 bags of cat food costs 14.25 to figure out how much it costs. First thing to do is, divide the known number (14.25) or the costs by the amount of bags that made up to this price.
14.25 divided by 3 equals 4.75.
4.75 is the costs of 1 bag of cat foods. Now for the final step, multiply the cost of 1 bag (4.75) by 5 because we’re trying to see how much it costs for 5 bags of cat food.
4.75
x 5
= 23.75!
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On a recent quiz, the class mean was 77 with a standard deviation of 2. Calculate the z-score (to 2
decimal places) for a person who received score of 72.
Z-score:
Is this unusual?
O Not Unusual
O Unusual
The answer is that the z score is unusual. We can calculate it in the following manner.
To calculate the z-score for a score of 72, we can use the formula:
z = (x - μ) / σ
where x is the individual score, μ is the mean, and σ is the standard deviation.
Substituting the given values, we get:
z = (72 - 77) / 2 = -2.5
Rounding to two decimal places, the z-score is -2.50.
To determine if this z-score is unusual, we need to compare it to a standard normal distribution. In a standard normal distribution, about 95% of the data falls within 2 standard deviations of the mean (i.e., between a z-score of -2 and +2). A z-score beyond this range is generally considered unusual.
Since the z-score for a score of 72 is beyond this range (i.e., it is less than -2), it is considered unusual.
Therefore, the answer is:
Unusual
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suppose that iq scores have a bell-shaped distribution with a mean of 96 and a standard deviation of 17 . using the empirical rule, what percentage of iq scores are greater than 79 ? please do not round your answer.
Using the empirical rule, the percentage of IQ scores that are greater than 79 is 84%.
The empirical rule, also known as the 68-95-99.7 rule, states that for a normal distribution:
Approximately 68% of the data falls within one standard deviation of the mean.Approximately 95% of the data falls within two standard deviations of the mean.Approximately 99.7% of the data falls within three standard deviations of the mean.Since we know that the mean is 96 and the standard deviation is 17, we can calculate how many standard deviations away from the mean an IQ score of 79 is:
(79 - 96) / 17 = -1
This means that an IQ score of 79 is one standard deviation below the mean. This also means that approximately 68% of the data falls between 79 and (96 + 17) = 113.
Meanwhile, approximately 32% of the data falls outside of one standard deviation. We can say that half of this 32% are scores less than 79 and the other half are scores greater than 113. So the percentage of IQ scores greater than 79 is:
100 - (1/2 of 32) = 84%
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