Dorothy should have received $45.84 in change.
What is the equivalent expression?
Equivalent expressions are expressions that perform the same function despite their appearance. If two algebraic expressions are equivalent, they have the same value when we use the same variable value.
To find out how much change Dorothy should have received, we need to first calculate the total cost of the energy drink and the bag of chips:
Total cost = Cost of energy drink + Cost of the bag of chips
Total cost = $2.34 + $1.82
Total cost = $4.16
Next, we need to subtract the total cost from the amount paid by Dorothy to get the change:
Change = Amount paid - Total cost
Change = $50 - $4.16
Change = $45.84
Therefore, Dorothy should have received $45.84 in change.
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22 is what percent of 48?
Rouns to the nearest hundredth if necessary.
%218.18
first you add then subtract do the math work coordinate planes and such graphing math problems
Find length c of a triangle given length of side b=24cm, height by side a=12 root 3, and the radius of its circumscribed circle=7root3
Answer:
21 cm
Step-by-step explanation:
We can start by using the formula for the area of a triangle:
Area = (1/2) * base * height
Where the base is b = 24 cm and the height by side a is h = 12 root 3 cm.
Area = (1/2) * 24 cm * 12 root 3 cm = 144 cm^2
We can also use the formula for the area of a triangle in terms of its sides and circumradius:
Area = (abc) / (4R)
Where a, b, and c are the sides of the triangle and R is the radius of its circumcircle.
Plugging in the values we know, we get:
144 cm^2 = (24 cm * a * c) / (4 * 7 root 3 cm)
Simplifying, we get:
9 root 3 cm = a * c / 7
Multiplying both sides by 7 and dividing by a, we get:
c = (63 root 3 cm^2) / a
Substituting the value we know for a, we get:
c = (63 root 3 cm^2) / (12 root 3 cm) = 21 cm
Therefore, the length of side c is 21 cm.
Hopes this helps
What is the solution to this equation: 9 - x = -47?
The depth, d
, of a lake is 73 m, truncated to an integer.
Write the error interval for d
in the form a
≤ d
< b
.
The error interval for the depth of the lake would be:
72.5 m ≤ d < 73.5 m
Since the depth of the lake is given as 73 m, truncated to an integer, the actual depth could be anywhere between 72.5 m and 73.5 m. This is because if the depth is between 72.5 m and 73 m, it would be rounded down to 73 m, and if it is between 73 m and 73.5 m, it would be rounded up to 73 m.
This error interval takes into account the rounding that occurred when the depth was truncated to an integer and gives a range of possible depths that the lake could be within.
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Mr. Rodriguez is packing bags of snacks for his children’s lunchboxes. He plans to use 20 blueberries and 30 grapes. Each snack bag will have the same number of blueberries and grapes. How many bags can he make if each bag needs to be the same?
5 bags
10 bags
50 bags
60 bags
As a result, Mr. Rodriguez can produce 10 sacks, each containing two blueberries and three grapes.
So, 10 bags must be the solution.
Which meaning of "common factor" is the best?The largest number that can split evenly into two other numbers is known as the greatest common factor in mathematics. For instance, the number 6 is the most frequent factor between 12 and 30. The greatest common denominator is another name for the greatest common component.
We must find the GCF, or greatest common factor, between 20 and 30 to calculate how many bags Mr. Rodriguez can produce. This is necessary because each bag must contain the same quantity of blueberries and grapes, requiring that they both have a similar factor of 20 or 30.
1, 2, 4, 5, 10, and 20 are the elements that make up 20.
1, 2, 3, 5, 6, 10, 15, and 30 make up the number 30.
1, 2, 5, and 10 are the common variables between 20 and 30.
Since the quantity of blueberries and grapes in each bag must be the same, we can split both 20 and 30 by the GCF of 10, which is 10.
The correct number of bags needed is 10 .
This results in:
2 blueberries are in each container of 20/10.
3 grapes per container (30/10)
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a 5-card poker hand is dealt from a well shuffled regular 52-card playing card deck. find the probability that the hand is a full house (one pair of the same face value and one triple of the same face value).
The probability of getting a full house is approximately 0.0014
To calculate the probability of getting a full house, we need to first count the total number of possible 5-card hands that can be dealt from a deck of 52 cards.
There are 52 choices for the first card, 51 for the second, 50 for the third, 49 for the fourth, and 48 for the fifth (since we are drawing without replacement). However, the order in which the cards are dealt does not matter, so we must divide by the number of ways in which the same 5 cards can be ordered. Therefore, the total number of possible 5-card hands is
C(52,5) = 52! / (5! × 47!) = 2,598,960
Now we need to count the number of full house hands we can get. We can choose the value of the triple in C(13,1) ways (since there are 13 possible face values), and we can choose the three cards of that value in C(4,3) ways. We can then choose the value of the pair in C(12,1) ways (since there are now only 12 possible face values left), and we can choose the two cards of that value in C(4,2) ways. Therefore, the number of full house hands is
C(13,1) × C(4,3) × C(12,1) × C(4,2) = 13 × 4 × 12 × 6 = 3,744
Finally, the probability of getting a full house is
P(full house) = number of full house hands / total number of hands
= 3,744 / 2,598,960
= 0.0014
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please help will give brainliest
The explicit rule for the mentioned graph is, If the involved variables are correlated, the points will fall along a line or curve.
What is a scatter plot?Scatter plots have been described as one of the most useful inventions in statistical graphs. Scatter plots were originally presented by British scientist John Frederick W. Herschel in 1833. Herschel used it when studying the orbits of binary stars. He plotted the angle of the double star against the measured year. Scatter plots were used to understand the underlying relationship between the two measurements. Bar charts and line charts are commonly used, but scatter charts still dominate the world of science and business. It's very easy to see the points on a scale and understand their relationships.
A scatterplot is a way of displaying data in a graphical format. A simple scatterplot uses axes to plot points based on their values.
Since the cost of safari increases with the number of passengers, it shows the direct and positive correlation between the variables and hence the formation of linear scatter plot.
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A seventh-grade class is selling oranges as a
class fundraiser. Each box has the same number
of oranges. Mr. Franclemont places an order for 4
boxes. As a thank-you gift, the class will give Mr.
Franclemont a free orange. All together, Mr.
Franclemont will receive 73 oranges.
Construct a model or diagram to represent this
relationship.
Write an equation that could be used to find b,
the number of oranges in each box.
Solve this equation to find the number of oranges
in each box.
The equation 4b + 1 = 73 is used to represent the relationship between the number of oranges in each box and the total number of oranges received. Solving for "b" gives the answer that each box contains 18 oranges.
Model/diagram:
Let "b" be the number of oranges in each box. Since Mr. Franclemont ordered 4 boxes and received an additional orange, he received a total of 4b + 1 oranges. We are given that this is equal to 73:
4b + 1 = 73
To solve for "b", we can subtract 1 from both sides and then divide by 4:
4b = 72
b = 18
Therefore, there are 18 oranges in each box.
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Find the missing angles in these diagrams. All shapes a regular (ignore my pen marks)
(Image attached)
The missing angle in the triangle is 70 degrees.
The missing angle in the quadrilateral is 120 degrees.
For the first diagram, since all the sides of the hexagon are equal, all the interior angles must also be equal. Therefore, each angle measures 120 degrees.
For the second diagram, we can start by finding the missing angle in the triangle.
Since the sum of the angles in a triangle is 180 degrees,
we can subtract the known angles from 180 to find the missing angle:
180 - 60 - 50 = 70
To find the missing angle in the quadrilateral, we can start by noticing that opposite angles in a parallelogram are equal.
Therefore, we can use the fact that the angle marked 60 degrees is opposite the missing angle:
Missing angle = 180 - 60 = 120
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HOW CAN I SOLVE THIS ASAP?? ( looking for the surface area )
Answer:
125
Step-by-step explanation:
Calculate the area of all the triangles (base x height/2) and add to the area of the square.
A skateboarder is at the top of the ramp and has a potential energy of 5500 J. When she reaches the halfway point coming down the hill, how much work has the skater done?
Answer:
The skater has done half of the potential energy 2750
Step-by-step explanation:
5500 divided by 2 = 2750
Help please with this question
The value of angle C in the cyclic quadrilateral is determined as 61⁰.
What is opposite angles of a cyclic quadrilateral?In a cyclic quadrilateral, opposite angles are the pair of angles that are opposite to each other, meaning they are located at the ends of a diagonal that divides the quadrilateral into two triangles.
The key property of a cyclic quadrilateral is that its four vertices lie on a circle. This means that opposite angles of a cyclic quadrilateral are supplementary, meaning they add up to 180 degrees.
The value of angle C is calculated as follows;
m ∠ C = 180 - m ∠A ( opposite angles of cylic quadrilateral )
m ∠ C = 180 - 119
m ∠ C = 61⁰
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The net shown folds to form a rectangular prism. Determine the lateral surface area of the prism
Answer: To find the lateral surface area of the rectangular prism formed by folding the net, we need to identify the faces that make up the sides of the prism.
In the net, we can see that the two rectangles on the top and bottom will form the bases of the prism, and the four rectangles around the sides will form the lateral faces.
The dimensions of the net are labeled in the diagram as follows:
a = 8 cm
b = 6 cm
c = 10 cm
To find the lateral surface area of the prism, we need to calculate the area of each of the four rectangles around the sides and then add them up.
The dimensions of the rectangles are:
8 cm by 10 cm (on the front and back)
6 cm by 10 cm (on the sides)
So the area of each of the four rectangles is:
8 cm x 10 cm = 80 cm²
6 cm x 10 cm = 60 cm²
Adding up the areas of the four rectangles, we get:
80 cm² + 80 cm² + 60 cm² + 60 cm² = 280 cm²
Therefore, the lateral surface area of the rectangular prism formed by folding the net is 280 square centimeters.
Step-by-step explanation:
Which equation represents the graph of y = x² + 2x - 3 moved 3 units to the left?
A. y = x² + 2x - 6
B. y = (x+3)² + 2x - 3
C. y = (x + 3)² + 2(x+3)
D. y = (x+3)² + 2(x+3)-3
Equation A
Equation B
Equation C
Equation D
The equation that represents the graph of y = x² + 2x - 3 moved 3 units to the left is: D. y = (x+3)² + 2(x+3)-3
What is graph equation?
To move a function 3 units to the left, we need to replace x with (x + 3) in the equation. This is because, if we plug in x + 3 into the equation, we will get the same value as if we had plugged in x but moved 3 units to the left.
So, starting with the original equation y = x² + 2x - 3, we replace x with (x + 3):
y = (x + 3)² + 2(x + 3) - 3
Now, we can simplify this equation to get it into standard form:
y = x² + 8x + 18
Therefore, the equation that represents the graph of y = x² + 2x - 3 moved 3 units to the left is:
D. y = (x+3)² + 2(x+3)-3
which simplifies to:
y = x² + 8x + 18.
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use the mean and standard deviation from the previous 2 examples to calculate a two standard devation inteval around the mean and use it to answer the following questionr: is the minority caucus justifed in their concern that a student senate with only 2 minoirites is a biased representation of the student body?
The Student Senate at a large university has 60 members, of which 20% are minorities. The probability of selecting only two minority students is 10.74%, making it surprising to have only two on the Senate. The expected number of minority students is 12, and having only two may indicate under-representation. The standard deviation of minority students is 1.94. If there were nine minority students, it would not necessarily indicate bias as it falls within the usual range of values.
Let n, the number of trials, is 60 since there are 60 students chosen to represent the entire student body in the Senate. Let p, the probability of success (i.e., selecting a minority student) on a single trial, is 0.20 since 20% of the student body is minority.
The probability of selecting only two minority students in the Senate can be calculated as P(x≤2) = P(x=0) + P(x=1) + P(x=2) = 0.1074. Therefore, there is a 10.74% chance of having only two minority students on the Senate purely by chance.
Based on the low probability in part c), it would be surprising to have only two minority members on the Senate. However, it's important to note that statistical probability alone cannot determine whether bias exists, as there may be other factors at play.
The Minority Caucus may have a reasonable complaint of under-representation, as the expected number of minority students on the Senate can be calculated as u = np = 60 * 0.20 = 12. Therefore, having only two minority students on the Senate is significantly lower than the expected number.
The standard deviation of the number of minority students selected can be calculated as σ = sqrt(np(1-p)) = 1.94.
If the Senate had nine minority students, the Minority Caucus would not have a strong case for racial bias. Assuming that the distribution of minority students selected follows a binomial distribution, the expected number of minority students would be u = np = 60 * 0.20 = 12, with a standard deviation of σ = 1.94.
Using the Empirical Rule, the usual range of values would be from u - 2σ to u + 2σ, which in this case would be from 8.12 to 15.88. Therefore, having nine minority students falls within the usual range of values, indicating that it is not necessarily a result of bias.
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--The given question is incomplete, the complete question is given
" Using the binomial distribution. A Student Senate at a large university is made up of 60 students chosen to represent the entire student body. 20% of the students at this university are minorities. When the members of the senate are selected, only two members are minority students. The Minority Caucus claims that this Senate is racially biased. They decide to use statistics to support their claim. Let x be the number of minority students who are selected for the senate. Assume the binomial probability can be used as the university has a large student population (large enough to assume independence when sampling students) What is n? What is p? Calculate the probability of the Senate being made up of so few minority students purely by chance. That is, find P(xS2) for this binomial problem: Based on your answer to part b, would you be surprised if the Senate had only 2 minority members? Why or why not? Do you think the Minority Caucus is reasonable in their complaint of under- representation? Explain. Assuming that the senate represents the entire student body, how many minority students would you expect to be selected for the senate? You will need to find u for this. There is a shortcut to find the mean for a binomial distribution shown in the text. ur Find the standard deviation of the number of minority students selected. Again, use the shortcut for finding the standard deviation for a binomial distribution, 0= Now suppose that the Student Senate has 9 minority students. Could the Minority Caucus make a case for racial bias in this case? Explain your answer using the Empirical Rul bunu need to find +20 the usual range of values and include the range of values Find the standard deviation of the number of minority students selected. Again, use the shortcut for finding the standard deviation for a binomial distribution, 0 = Now suppose that the Student Senate has 9 minority students. Could the Minority Caucus make a case for racial bias in this case? Explain your answer using the Empirical Rule (you need to find to, the "usual range" of values and include the range of values in your answer:"--
sphere a has radius 2 cm. sphere b has radius 4 cm what is there volumes
The volume of sphere a is 32π/3 cubic cm, and the volume of sphere b is 256π/3 cubic cm.
What is volume of sphere?
The volume of a sphere is given by the formula:
V = (4/3)πr³
where r is the radius of the sphere, and π (pi) is a mathematical constant approximately equal to 3.14159.
The volume of a sphere can be calculated using the formula:
V = (4/3)π[tex]r^3[/tex]
where r is the radius of the sphere and π is the mathematical constant pi.
Using this formula, we can find the volumes of spheres a and b as follows:
Volume of sphere a:
V = (4/3)π([tex]2^3[/tex]) = (4/3)π(8) = 32π/3 cubic cm
Volume of sphere b:
V = (4/3)π([tex]4^3[/tex]) = (4/3)π(64) = 256π/3 cubic cm
Therefore, the volume of sphere a is 32π/3 cubic cm, and the volume of sphere b is 256π/3 cubic cm.
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Find the premium an employee must pay if his share of the health insurance 40% of 84$
[tex]\begin{array}{|c|ll} \cline{1-1} \textit{\textit{\LARGE a}\% of \textit{\LARGE b}}\\ \cline{1-1} \\ \left( \cfrac{\textit{\LARGE a}}{100} \right)\cdot \textit{\LARGE b} \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{40\% of 84}}{\left( \cfrac{40}{100} \right)84}\implies \text{\LARGE 33.6}[/tex]
The weights of 1,000 men in a certain town follow a normal distribution with a mean of 150 pounds and a standard deviation of 15 pounds.
The weights of 1,000 men in a certain town follow a normal distribution with a mean of 150 pounds and a standard deviation of 15 pounds.
Approximately 841 men weigh more than 165 pounds, and 841 men weigh less than 135 pounds. This is due to the fact that the area under the normal curve between the z-scores of -1 and 1 is 0.8413, or 84.13%.
what is standard deviations ?Standard deviation is a measure of how spread out a set of data is. It is calculated by taking the square root of the variance, which is the average of the squared differences from the mean. Standard deviation can be used to measure the variability of a set of data points or to compare different sets of data. It is a useful tool for understanding how a set of data is distributed, as it gives an indication of how much of the data is close to the mean and how much is far away from it.
To calculate these values, we can use the z-score formula to calculate the standard deviation from the mean weight. The z-score formula is z = (x - μ)/σ, where x is a data point, μ is the mean, and σ is the standard deviation. Thus, for men weighing more than 165 pounds, z = (165 - 150)/15 = 1, and for men weighing less than 135 pounds, z = (135 - 150)/15 = -1.
We can then use the z-score to calculate the probability of finding a man with a weight less than or equal to 165 pounds and greater than or equal to 135 pounds. This probability is equal to the area under the normal curve between the z-scores of -1 and 1. From a normal table, we can find that the area under the normal curve between -1 and 1 is 0.8413, which is equal to 84.13%.
Therefore, the number of men weighing more than 165 pounds is equal to 0.8413 * 1,000, which is approximately 841 men, and the number of men weighing less than 135 pounds is equal to 0.8413 * 1,000, which is also approximately 841 men.
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Complete questions as follows-
The weights of 1,000 men in a certain town follow a normal distribution with a mean of 150 pounds and a standard deviation of 15 pounds.
From the data, we can conclude that the number of men weighing more than 165 pounds is about , and the number of men weighing less than 135 pounds is about .
would it be reasonable to use the least squares regression line to predict the final grade for a student who missed 15 class periods? why or why not?
To use the least squares regression line to predict the final grade for a student who missed 15 class periods. It depends on the relationship between the number of missed class periods and the final grade.
If there is a strong linear relationship between these variables, then it would be reasonable to use the least squares regression line to predict the final grade for a student who missed 15 class periods. However, if there is a weak or nonlinear relationship between these variables, then the prediction may not be reliable.
Even if there is a strong linear relationship between the variables, there may be other factors that affect a student's final grade that are not accounted for in the regression model. Therefore, it's always important to interpret the results of a regression analysis with caution and consider other sources of information as well.
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Help with this question
The answers are:
a). The required monthly percentage rate of APR of 19% is 1.59%.
b). The Monthly percentage rate is 2.08%
c). Oscar pays $0.96 more than Felix.
What was his monthly percentage rate?a). Felix received a card with an APR of 19%; it is unknown what his monthly percentage rate was.
APR = 19%
Given that APR is increased monthly throughout the year,
Monthly rate = 19% / number of months in year
Monthly rate = 19% / 12
Monthly rate = 1.59%
Therefore, 1.59% is the minimum monthly percentage rate for an APR of 19%.
b) Oscar received a credit card with a 21% APR.
Monthly percentage rate = 21%/12 = 1.75%
c). We are informed that for a particular month, each of them had an average daily amount of $800.
Thus;
Felix's payments in full = 800 * 1.63%
Felix's payments in full = $13.04
Amount Oscar issued = 800 * 1.75%
Amount Oscar issued = $14
Variation in Payments = $14 - $13.04 = $0.96
Thus, Oscar pays $0.96 more than Felix.
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Jeanette purchase a concert ticket on a web site.the original price of the ticket was $75.she used a coupon code to receive a 20% discount.the web site applied a 10% service fee to the discounted price.
Answer:
The discounted price of the ticket was $75 x .80 = $60
The service fee was $60 x .10 = $6
The total price Jeanette paid for the ticket was $60 + $6 = $66
So the answer is 66
Step-by-step explanation:
In the following image, AB is parallel to DC, and BC is a transversal intersecting both parallel lines. The measure of angle ABC is 118°, and the measure of DAB is 132
The measure of angle BCD is 62 degrees.
When a transversal intersects two parallel lines, alternate interior angles are congruent.
This is given by the Alternate Interior Angles Theorem. Likewise, when two parallel lines are cut by a transversal, consecutive interior angles add up to 180 degrees.
This is given by the Consecutive Interior Angles Theorem.
In the following image, AB is parallel to DC, and BC is a transversal intersecting both parallel lines.
The measure of angle ABC is 118°, and the measure of DAB is 132.
Given that AB is parallel to DC, and BC is a transversal intersecting both parallel lines.
The measure of angle ABC is 118°, and the measure of DAB is 132.
We need to find the measure of angle BCD.
By the Consecutive Interior Angles Theorem, we know that angle BCD + angle ABC = 180 degrees
Therefore, angle BCD = 180 - angle ABC angle BCD = 180 - 118angle BCD = 62 degrees
Therefore, the measure of angle BCD is 62 degrees.
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There are 28 students whose last names begin with the letters G, H, J, or K. Information about the probability of randomly selecting one of these students is listed below • probability of selecting a student whose last name begins with G: 7 • probability of selecting a student whose last name begins with G or H: 5 14 O How many of these students have a last name that begins with H?
A4
B5
C6
D7
5
We know that there are 28 students in total, so:
G + H + J + K = 28
We also know the following probabilities:
P(G) = 7/28
P(G or H) = 5/14
The probability of selecting a student whose last name begins with G or H can be expressed as:
P(G or H) = P(G) + P(H) - P(G and H)
Since the events "selecting a student whose last name begins with G" and "selecting a student whose last name begins with H" are mutually exclusive (a student cannot have a last name that begins with both G and H), P(G and H) = 0. Therefore, we have:
5/14 = 7/28 + P(H)
Simplifying the equation, we get:
P(H) = 5/14 - 7/28 = 5/28
So the probability of selecting a student whose last name begins with H is 5/28. To find the number of students whose last name begins with H, we can multiply this probability by the total number of students:
H = P(H) x 28 = 5/28 x 28 = 5
Therefore, there are 5 students whose last name begins with H.
*IG: whis.sama_ent*
If zeros of the polynomial x²+ 4x + 2a are alpha and 2/alpha then find the value of a
Answer:
Step-by-step explanation:
Answer:
a = 1
Step-by-step explanation:
The zeros of a polynomial P(x) are the x-values that make the polynomial equal to zero, P(x) = 0.
The sum of the zeros of a quadratic equation ax² + bx + c = 0 is -b/a.
The product of the zeros of a quadratic equation ax² + bx + c = 0 is c/a.
Given polynomial:
[tex]x^2+ 4x + 2a[/tex]
Therefore, the zeros of the given polynomial are the x-values that make x²+ 4x + 2a = 0.
Comparing the given polynomial with ax² + bx + c = 0:
a = 1b = 4c = 2aIf the zeros of the polynomial x²+ 4x + 2a are α and α/2, then using the zeros product formula:
[tex]\begin{aligned}\alpha \cdot \dfrac{2}{\alpha} &= \dfrac{c}{a} \\\\\implies 2&= \dfrac{2a}{1}\\\\\implies 2&=2a\\\\\implies \dfrac{2}{2}&=a\\\\\implies a&=1\end{aligned}[/tex]
Therefore, the value of a is 1.
a group of 19 1919 beavers get together to build a dam. they decide to divide into teams with 4 44 beavers on each full team. after they make as many full teams as possible, the rest of the beavers make a smaller team. how many full teams of beavers will there be? answer must be a whole number. teams how many beavers will be in the smaller team? answer must be a whole number. beavers
When a group of 1919 beavers gets together to build a dam and decides to divide into teams with 44 beavers on each full team, the number of full teams of beavers will be 43. The number of beavers that will be in the smaller team is 7.
You can define a number as a count, like in a race, when we say, 3, 2, 1, GO!” or a measurement such as John Cena
weighs 275 lbs. There are also fractions such as 22/7 and decimals such as 3.14.
There are 1919 beavers, and each team has 44 beavers.
1919 divided by 44 gives 43 with a remainder of 47.
Since there cannot be a partial team, the number of full teams of beavers is 43.
There are 47 beavers remaining after the formation of the full teams.
Because it's impossible to divide 47 beavers into teams of 44 beavers, a smaller team will be created with the remaining beavers.
As a result, the number of beavers in the smaller team is 7.
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When my money is in my account, it is gaining interest for me. Therefore, I want a _______________________ interest rate on my account.
Answer:
7% interest rate.
Step-by-step explanation:
The highest interest you can earn from a savings account is 8% annual interest. This is because the banks don't want to lose money.
Solve this please I really need the answer
The system of equations are:
A = 80x + 70
A = 980 - 50x
Weeks: x = 7 weeks
Amount of money: $630
How to solve system of equation word problems?Let x represent the number of weeks it will take for both girls to have the same amount of money.
Let A represent the amount both will have equally after x number of weeks.
Thus:
For Kendra, the equation is:
A = 80x + 70 -----(1)
For Mallory, the equation is:
A = 980 - 50x ------(2)
Thus, for both to have the same amount of money:
80x + 70 = 980 - 50x
80x + 50x = 980 - 70
130x = 910
x = 910/130
x = 7 weeks
A = 80(7) + 70
A = $630
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A rectangular prism has a volume of 6 cubic inches. It is dilated using a scale factor of 2, what is the volume of the dilated rectangular prism?
Answer:
48 cubic inches.
Step-by-step explanation:
The volume of a rectangular prism is given by the formula:
Volume = length x width x height
Since the rectangular prism has a volume of 6 cubic inches, we can write:
6 = length x width x height
When the prism is dilated using a scale factor of 2, each of its dimensions (length, width, and height) is multiplied by 2. Therefore, the new dimensions of the prism are:
2 x length, 2 x width, and 2 x height
The volume of the dilated prism can be calculated as:
Volume of dilated prism = (2 x length) x (2 x width) x (2 x height)
= 2³ x length x width x height
= 8 x (length x width x height)
Since the original rectangular prism had a volume of 6 cubic inches, we know that:
length x width x height = 6
Substituting this value into the equation for the volume of the dilated prism, we get:
Volume of dilated prism = 8 x 6 = 48 cubic inches
Therefore, the volume of the dilated rectangular prism is 48 cubic inches.
1. 4x^2+21x-18
2. 2x^2-13x-45
3. 3x^2+22x-16
factor the polynomial
An exam has two papers, Paper 1 and Paper 2
Paper 1 has 65 marks.
Paper 2 has 75 marks.
The pass mark is of the total number of marks.
Stephanie gets 80% of the marks for Paper 1
How many of the marks for Paper 2 must Stephanie get in order to get the pass mark?
ANSWER:
Therefore, Stephanie cannot pass the exam even if she gets full marks in Paper 2.
Step-by-step explanation:
Pass mark = 65 + 75 = 140
Stephanie got 80% of the marks for Paper 1, which is:
0.8 x 65 = 52
To pass the exam, Stephanie must get a total of 140 marks, and she already has 52 from Paper 1. Therefore, she needs to get the remaining marks from Paper 2:
140 - 52 = 88
So, Stephanie must get at least 88 marks out of 75 in Paper 2 to pass the exam. However, this is not possible as the maximum marks for Paper 2 are 75.