1. The probability that an infected patient’s length of stay will be greater than 7 days is 0.3085.
2. The 70th percentile in stay length for a patient given that they have a
post-operative infection is 7.04.
3. The probability that the average stay length of the next 2 infected patients is less than 5.5 days is 0.3632.
4. The probability that a patient is infected and then stays for 3 to 4 days is 0.1587.
How to find the probability?1. Probability of an infected patient staying more than 7 days:
We can standardize the normal distribution using the formula: Z = (X - μ) / σ, where X is the length of stay, μ is the mean length of stay, and σ is the standard deviation of the length of stay.
So, Z = (7 - 6) / 2 = 0.5.
Using a standard normal distribution table or calculator, we can find the probability that a patient will stay longer than 7 days as:
P(Z > 0.5) = 0.3085.
2. The 70th percentile in stay length for an infected patient:
We can use the inverse standard normal distribution function to find the Z-score corresponding to the 70th percentile.
Using a standard normal distribution table or calculator, we find that the Z-score corresponding to the 70th percentile is approximately 0.52.
So, Z = 0.52 = (X - 6) / 2.
Solving for X, we get:
X = 6 + 0.52 * 2 = 7.04.
3. Probability that the average stay length of the next 2 infected patients is less than 5.5 days:
The average length of stay of 2 infected patients can be modeled by a normal distribution with a mean of 6 days (the mean of a single infected patient's length of stay) and a standard deviation of σ/√2, where σ is the standard deviation of the length of stay of a single infected patient.
So, the standard deviation of the average length of stay of 2 infected patients is:
σ/√2 = 2/√2 = 1.414 days.
Using the standardized normal distribution formula, we get:
Z = (5.5 - 6) / 1.414 = -0.3536.
Using a standard normal distribution table or calculator, we can find the probability that the average stay length of the next 2 infected patients will be less than 5.5 days as:
P(Z < -0.3536) = 0.3632.
4. Probability that a patient is infected and then stays for 3 to 4 days:
We can standardize the normal distribution as before using the formula:
Z = (X - μ) / σ, where X is the length of stay, μ is the mean length of stay, and σ is the standard deviation of the length of stay.
For X = 3 days, Z = (3 - 6) / 2 = -1.5.
For X = 4 days, Z = (4 - 6) / 2 = -1.
Using a standard normal distribution table or calculator, we can find the probability that a patient is infected and then stays for 3 to 4 days as:
P(-1.5 < Z < -1) = P(Z < -1) - P(Z < -1.5) = 0.1587
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Help I’ll give points thanks
Step-by-step explanation:
your answers for a. are correct.
b.
(f○g)(x) = f(g(x))
that means we are using the expression of g(x) as input to f(x). so, for f(x), x turns into g(x) = 0.9x
(f○g)(x) = f(g(x)) = 0.9x - 220
what it does is it reduces the price by 10% and then gives on to of that an additional absolute value discount if $220.
HELP ME PLEASE this is due tomorrow
The cube's surface area would be 96m².
The surface area of the right rectangular prism is 37.5 ft².
The height of the prism is 4/3 in.
The approximate lengths of the sides of the base is height of 9 cm and a base of 8.2 cm.
How to find the surface area ?To find the surface area, first find the side length of the cube. The volume of a cube is V = s³, where s is the side length. So:
64m³ = s³ => s = (64)^(1/3) = 4m
Now, the surface area (SA) of a cube is given by the formula SA = 6s². Plugging in the side length:
SA = 6(4m)² = 6(16m²) = 96m²
To find the surface area of the right rectangular prism:
First, find the Lateral Area (LA): LA = Perimeter × height
Perimeter = (2 ft + 1 1/2 ft) × 2 = 7 ft
Height = 4 1/2 ft
LA = 7 ft × 4 1/2 ft = 31.5 ft²
Now, find the Surface Area (SA): SA = LA + 2B
SA = 31.5 ft² + 2(3 ft²) = 31.5 ft² + 6 ft² = 37.5 ft²
To find the height h of the prism:
First, find the Base Area (B): B = Length × Width
B = 3 in × 7 in = 21 in²
Now, use the Surface Area (SA) formula to find the Lateral Area (LA):
SA = LA + 2B => LA = SA - 2B
LA = 68 2/3 in² - 2(21 in²) = 68 2/3 in² - 42 in² = 26 2/3 in²
Now, use the Lateral Area (LA) formula to find the height (h):
LA = Ph => h = LA / P
Perimeter (P) = 2(Length + Width) = 2(3 in + 7 in) = 20 in
h = (26 2/3 in²) / 20 in = 4/3 in
The right triangular prism has two equilateral triangular bases and three rectangular sides. Since the distance between the bases is 9 cm, we can use the surface area of the prism to find the total area of the three rectangular sides:
Surface area = 2 * A (triangle bases) + Lateral area (rectangular sides)
319.5 cm² = 2 * 29.1 cm² + Lateral area
Lateral area ≈ 261.3 cm²
Each of the three rectangular sides has a height of 9 cm and a base of 8.2 cm.
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Which of the following is the average rate of change over the interval
Answer:
To find the average rate of change of a function over an interval, you can use the formula:
average rate of change = [f(b) - f(a)] / (b - a)
where a and b are the endpoints of the interval.
In this case, you have the function g(x) = log2(x + 3) - 4 and the interval [-2, 5]. So, plugging in the values, you get:
average rate of change = [g(5) - g(-2)] / (5 - (-2))
First, let's evaluate g(5) and g(-2).
g(5) = log2(5 + 3) - 4 = log2(8) - 4 = 3 - 4 = -1
g(-2) = log2((-2) + 3) - 4 = log2(1) - 4 = 0 - 4 = -4
Now you can substitute these values into the formula:
average rate of change = (-1 - (-4)) / (5 - (-2))
= 3 / 7
And the average rate of change of g(x) over the interval [-2, 5] is 3/7.
The textbook says c = (1,2,3,4)
but according to my solution in the picture below,
I got c = (1,2,2,2).
Where did I get wrong?
(Don't mind the Korean words!
This question is about matrix factorization.)
According to the information the mistake is in the calculation of the vector y. According to your solution, y = [3, 2, 1, 0], but it should actually be y = [2, 2, 2, 2].
How to find the misftake?To see why, let's go back to the definition of y. We have:
y = c - Ax
Plugging in the given values, we get:
y = [1, 2, 3, 4] - [[1, 1, 0, 0], [0, 1, 1, 0], [0, 0, 1, 1]] [x1, x2, x3, x4]
Simplifying this matrix multiplication, we get:
y = [1-x1-x2, 2-x2-x3, 3-x3-x4, 4-x4]
Now we need to solve for x1, x2, x3, and x4 such that y = [2, 2, 2, 2]. That means we have the following system of equations:
1 - x1 - x2 = 2
2 - x2 - x3 = 2
3 - x3 - x4 = 2
4 - x4 = 2
Solving this system, we get x1 = -1, x2 = -1, x3 = 0, and x4 = 2. Plugging these values back into the equation for y, we get y = [2, 2, 2, 2], which is the correct solution.
So it looks like the mistake was in the calculation of y, which led to incorrect values for x1, x2, x3, and x4, and ultimately an incorrect value for c.
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Angie wants to earn a 90% for her overall history grade. During the course
she has to take 5 tests. So far, she has only taken 4 tests. Her exam
scores for the tests are as follows: 85, 83, 99, 95. If Angie wants to ensure
she will receive a 90%, what is the minimum score on the 5th test that she
can receive?
whats the answer also explain why its the answer
Answer:
B. Socialism
Step-by-step explanation:
In contrast to capitalism, socialists believe the shared ownership of resources and central planning offer a more equitable distribution of goods and services.
Karl Marx was the most prominent voice of socialism and believed the working class would rise up against the wealthy when faced with injustices.
A forklift operator has the task of moving 43 palettes from one location to another. If the most palettes he can move at one time are 8 what are the minimum number of trips he will have to make from one location to the other in order to move all the palettes?
The forklift operator can move at most 8 palettes at one time.
What is Forklift operator?A forklift operator is a person who operates a forklift, which is a type of powered industrial truck used to lift and move heavy materials over short distances. Forklift operators are commonly employed in warehouses, manufacturing plants, and other industrial settings where materials need to be moved and stored. They are responsible for loading and unloading trucks, transporting materials to and from storage areas, and positioning materials for storage or processing. Forklift operators must be trained and certified to operate the equipment safely and efficiently.
In the given question,
To move all 43 palettes, the operator needs to make at least 43/8 = 5.375 trips.
Since the operator cannot make a fraction of a trip, he will need to make at least 6 trips in order to move all 43 palettes.
On the first five trips, the operator will move 8 palettes each time, and on the final trip, he will move the remaining 3 palettes.
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Quadrilateral ABCD has vertices A(2,4), B(5, 4), C(8, 1), and D(5, 1). Graph the image of quadrilateral ABCD after a dilation centered at D with a scale factor of
followed by a reflection in the line x = 1.
The final image of quadrilateral ABCD after a dilation centered at D with a scale factor of 2, followed by a reflection in the line x = 1, is attached below, where A', B', C', and D' are the new points after the transformation.
What are Transformation and Reflection?
Single or multiple changes in a geometrical shape or figure are called Geometrical Transformation. A geometrical transformation in which a geometrical figure changes his position to his mirror image about some point or line or axis is called Reflection.
First, we need to apply the dilation centered at point D with a scale factor of 2. To do this, we will multiply the coordinates of each point by 2, with D as the center of dilation.
Point D remains the same since the scale factor does not affect it:
D(5, 1)
To find the new coordinates of points A, B, and C, we will use the following formula:
New Point = Center of Dilation + Scale Factor * (Original Point - Center of Dilation)
For point A:
New A = D + 2 * (A - D)
New A = (5, 1) + 2 * (-3, 3)
New A = (-1, 7)
For point B:
New B = D + 2 * (B - D)
New B = (5, 1) + 2 * (0, 3)
New B = (5, 7)
For point C:
New C = D + 2 * (C - D)
New C = (5, 1) + 2 * (3, -3)
New C = (11, -5)
Now that we have the new coordinates, we can reflect the image in the line x = 1. To do this, we will reflect each point across the line x = 1 by replacing the x-coordinate with its reflection across the line.
The equation of line x = 1 is a vertical line passing through x = 1. Therefore, to reflect a point across this line, we need to find the difference between the x-coordinate of the point and the line (which is 1), and subtract that difference from the line.
For point D:
D(5, 1) reflected in x = 1 is (2, 1)
For point A:
New A(-1, 7) reflected in x = 1 is (-3, 7)
For point B:
New B(5, 7) reflected in x = 1 is (-3, 7)
For point C:
New C(11, -5) reflected in x = 1 is (13, -5)
Hence, The final image of quadrilateral ABCD after a dilation centered at D with a scale factor of 2, followed by a reflection in the line x = 1, is attached below, where A', B', C', and D' are the new points after the transformation.
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I need helllllllllllllllllp
Answer: A = 3
Step-by-step explanation:
4x-2=10
4x=12
x =12/4
x=3
Write a quadratic function f whose only zero is 5.
Step-by-step explanation:
a quadratic function means it has an "x²" based term as highest x exponent.
and as such it has 2 zeroes.
the request here simply means that both zeros must be equal and 5.
remember, factoring the function expression tells us the zeroes right away.
now we reverse the process.
we know the zeroes (5 - two times).
so we define the factors to have the desired zeroes :
y = (x - 5)(x - 5)
you see what i did there ? we need to have a quadratic equation, and therefore 2 zeroes. both with the value of 5.
y = (x - 5)(x - 5) = x² - 5x - 5x + 25 = x² - 10x + 25
A quadratic function with only one zero can be derived using the vertex form of a quadratic function, where h equals the zero. Hence, a possible quadratic function with five as the only zero is f(x) = (x - 5)^2.
Explanation:
In mathematics, a quadratic function is written in the form f(x) = ax2 + bx + c.
If a quadratic function has only one zero or root, it means that the parabola touches the x-axis at that point only.Considering the given zero from the question, we have the zero equals 5.By using the concept of vertex form of a quadratic function which is f(x) = a(x-h)2 + k, where (h,k) is the vertex of the parabola, we can create a quadratic function with 5 as the only zero by setting h = 5 and a ≠ 0, k can be any value.So, a potential function could be f(x) = (x - 5)2.
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a digital camera that cost #49 was sold on ebay for 3/7 for the original price.what was the selling price
Answer: 20.99
Step-by-step explanation: you multiply by 0.428571 which is 3/7
How do I graph [tex]5\sqrt{y}[/tex] and [tex]y[/tex]. I know it's supposed to look like the picture below but I don't knw how to get there. How do I come up with the points and graph into the calculator.
Simply enter the equations into the calculator and use the graphing option to visualize these equations.
what is equations ?A mathematical assertion that two expressions are equal is known as an equation. One or more variables, or values that can change within a specific range, are frequently present in equations. The equal sign (=) is frequently used in equations to denote that the expressions on each side of it have the same value. For instance, the formula x + 2 = 5 states that the product of x and 2 equals 5. When we solve for x in this equation, we get x = 3, which is the value of x that causes the equation to hold true.
given
Follow these steps to graph y = 2x - 1 and y = -x + 3:
To plot, pick a set of x-values. For instance, you could select -5 x 5.
For each equation, enter x values to determine the associated y values. You can create a table to aid with work organization:
Draw a coordinate plane and plot the points from your table there. For instance, the first row of the table is represented by the point (-5, -11).
For each equation, draw a straight line to join the points. The slope of the line for y = 2x - 1 will be positive, whereas the slope of the line for y = -x + 3 will be negative.
Use a graphing calculator to double-check your work and make sure your graph matches the one in the image.
Simply enter the equations into the calculator and use the graphing option to visualize these equations.
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A 1-bedroom apartment on the 10th floor of the Downtown Apartment Complex rents for $390 per
month. A 1-bedroom apartment on the 15th floor rents for $440 per month. If the price of the apartment
goes up in equal increments as the floor number increases, what is the monthly rate for a 1-bedroom
apartment on the 34th floor?
answer :
630
explanation
it's a graph question in the form of a word problem
question says if
(10, 390) & (15, 440) then (34, y)?
if x = 34 then what is y
get slope
m = (440 - 390) / (15 - 10) = 10
get graph
y - y1 = m(x - x1)
y - 440 = 10(34 - 15)
y - 440 = 190
y = 630
chatgpt
12. Pure fruit concentrate must be diluted with water in the ratio 1:7.
How many millilitre of concentrate are needed to make 5litres cool drink?
By answering the presented question, we may conclude that To prepare ratio 5 litres of cold drink, we'll need 625 millilitres of pure fruit concentrate.
what is ratio?In mathematics, ratios demonstrate how frequently one number is contained in another. For example, if there are 8 oranges and 6 lemons in a fruit plate, the ratio of oranges to lemons is 8 to 6. In a similar vein, the orange-to-whole-fruit ratio is 8, whereas the lemon-to-orange ratio is 6:8. A ratio is an ordered pair of integers a and b represented as a / b, where b is not zero. A ratio is an equation that equates two ratios. For example, if there is one male and three girls (for every boy she has three daughters), 3/4 are girls and 1/4 are boys.
If the concentrate-to-water ratio is 1:7, it signifies that the final product requires 7 parts water for every 1 part concentrate. As a result, the total number of components in the combination is 1+7=8.
To produce 5 litres of the cold drink, we must first establish the quantity of concentrate necessary to make 8 parts, and then multiply this figure by 5 litres.
As a result, we need 1 part concentrate and 7 parts water to create 8 parts.
As a result, we require 1/8th of 5,000 millilitres of concentrate, or 625 millilitres.
To prepare 5 litres of cold drink, we'll need 625 millilitres of pure fruit concentrate.
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A soccer team scored 24 goals in 16 games. Based on this relative frequency, how many goals can the team be expected to score in 10 games?
The team can be expected to score about 15 goals in 10 games based on their relative frequency of scoring 24 goals in 16 games.
What is relative frequency?The proportion or percentage of times that even an event or category occurs in a dataset is measured by relative frequency. It is derived by dividing the total number of observations in the dataset by the frequency with which the event or category occurs. In statistics, relative frequency is frequently used to compare the occurrence of various events or categories and to characterise the distribution of a dataset. Also, depending on a sample, it is used to calculate the likelihood that an event will occur in a population.
The goals scored in 10 games can be calculated using proportions:
Given that,
24 goals / 16 games = 1.5 goals per game
For 10 games we have:
1.5 goals per game × 10 games = 15 goals
Hence, the team can be expected to score about 15 goals in 10 games based on their relative frequency of scoring 24 goals in 16 games.
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Describe the correlation for an r-value of –0.86.
A.
weak, negative correlation
B.
strong, negative correlation
C.
strong, positive correlation
D.
weak, positive correlation
B. strong, negative correlation. An r-value of -0.86 shows a significant, negative correlation between the two variables under consideration.
An r-value of -0.86 shows a significant, negative correlation between the two variables under study. This implies that while one variable rises, the other falls, and vice versa. The inverse relationship is indicated by the negative sign, and the strength of the association is indicated by the absolute value of 0.86. A correlation coefficient's range is from -1 to 1, where -1 denotes a perfect negative correlation, 0 denotes no correlation, and 1 denotes a perfect positive correlation. Thus, an r-value of -0.86 denotes a significant, negative correlation between the two variables.
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A second figure with a height of 19 ft is similar to the figure below. Find the surface area
and volume of the second figure.
7 ft
5 ft
6 ft
5 ft
Therefore, the surface area of the second figure is 3049.6 square feet, and its volume is 11,483.68 cubic feet.
What is volume?Volume is a measure of the amount of space that a three-dimensional object occupies. It is the measure of how much space is enclosed within a boundary in three dimensions. In simple terms, volume is the amount of space that an object occupies. It is measured in cubic units such as cubic meters (m³), cubic centimeters (cm³), cubic feet (ft³), or gallons (gal).
Here,
To find the surface area and volume of the second figure, we need to know the dimensions of the figure. Since the second figure is similar to the first one, we know that the ratios of the corresponding sides of the two figures are equal. Let x be the unknown scale factor between the two figures. Then, we have:
x = 19/5 (the ratio of the heights of the two figures)
So, we can find the other dimensions of the second figure by multiplying the corresponding dimensions of the first figure by x.
The dimensions of the first figure are:
Height = 5 ft
Length = 6 ft
Width = 7 ft
Multiplying these dimensions by x, we get:
Height = 19 ft (given)
Length = 6 * (19/5) = 22.8 ft
Width = 7 * (19/5) = 26.6 ft
Now, we can find the surface area and volume of the second figure.
Surface area = 2lw + 2lh + 2wh
= 2(22.8 * 26.6) + 2(22.8 * 19) + 2(26.6 * 19)
= 3049.6 ft²
Volume = lwh
= 22.8 * 19 * 26.6
= 11,483.68 ft³
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Complete question:
A second figure with a height of 19 ft is similar to the figure below. Find the surface area and volume of the second figure.
How many three-digit positive integers x are there, such that subtracting the sum of digits of x from x gives a three-digit number whose digits are all the same?
Answer:
Step-by-step explanation:Let $x$ be a three-digit positive integer, and let $a$, $b$, and $c$ be the digits of $x$. Then we want $x - (a + b + c)$ to be a three-digit number whose digits are all the same. This means that $x - (a + b + c) = 111$, $222$, $\ldots$, or $888$.
If $x - (a + b + c) = 111$, then we have $x = a + b + c + 111$. Since $x$ is a three-digit number, $1 \leq a \leq 9$, $0 \leq b \leq 9$, and $0 \leq c \leq 9$. Thus, there are $9 \cdot 10 \cdot 10 = 900$ possible values of $x$ that give a three-digit number whose digits are all $1$.
Similarly, we have $x = a + b + c + 222$, $x = a + b + c + 333$, $\ldots$, and $x = a + b + c + 888$. Each of these equations gives $900$ possible values of $x$.
Therefore, there are a total of $8 \cdot 900 = \boxed{7200}$ three-digit positive integers $x$ that satisfy the conditions of the problem.
can you find the limit?
Answer:
3
Step-by-step explanation:
If noah had 5 dollars and diego has 150% as noah how much does Diego.
Answer: 7.5
Step-by-step explanation: Because Noah has five dollars, 100% of 5 is 5, and 50% of 5 is 2.5 so Diego has 7.5 dollars.
Answer:
$7.5
Step-by-step explanation:
There are two ways to solve this:
1) First, write the equation:
150% of 5
Then calculate:
[tex]\frac{150}{100} *5[/tex]
Finally, simplify 1 zero with the 0 in 15:
1.5 * 5
= $7.5
2) For the second way, because 150 is more than over 100 (percent), you deduct 150 and 100:
150 - 100 = 50
Then find 50% of 50:
[tex]\frac{50}{100} *5[/tex]
Then cancel 1 zero in 100 with the zero in 50:
0.5 * 5
= 2.5
Finally, add the product with the original amount of Noah:
5 + 2.5
= $7.5
Question 11 (5 points)
(Experimental Probability MC)
Using a standard deck of cards, a gamer drew one card and recorded its value. They continued this for a total of 100 draws. The table shows
the frequency of each card drawn.
Card A23
Frequency 47567
Based on the table, what is the experimental probability that the card selected was a K or 6?
a
Ob
Od
100 11-
4
10JQK
Question 12(5 points)
the correct answer is option b) 0.11. To find the experimental probability of drawing a K or 6, we need to first determine how many K's and 6's are in a standard deck of cards.
A standard deck of cards contains 52 cards, divided into four suits: hearts, diamonds, clubs, and spades. Each suit contains 13 cards, including an ace, numbered cards 2-10, and face cards (jack, queen, king).
Out of the 52 cards in the deck, there are four K's and four 6's, for a total of eight cards that satisfy the condition of being a K or 6.
To calculate the experimental probability of drawing a K or 6 from the table, we need to add up the frequency of drawing a K and the frequency of drawing a 6, and then divide by the total number of draws (100).
From the table, we see that the frequency of drawing a K is 4, and the frequency of drawing a 6 is 7. Therefore, the total frequency of drawing a K or 6 is:
4 (K's) + 7 (6's) = 11
So the experimental probability of drawing a K or 6 is:
11/100 = 0.11
Therefore, the correct answer is option b) 0.11.
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A roofer props a ladder against a wall so that the base of the ladder is 4 feet away from the building. If the angle of elevation from the bottom of the ladder to the roof is 63°, how long is the ladder?
what is the answer? thank you
the half life of a drug in the bloodstream is 3 hours. if you took a 600mg dose how much of the drug will remain after one day.will remain after one day? i got 2mg please help
Say no to drugs. It is not good for the body.
Please help!! Correct answer gets brainliest!!
Graph B is correct and shows the rectangular opening.
Looking at the text the question, I notice that each unit means 1 inch. After looking at all the graphs, I found out that B was the correct answer because of the sides. The sides are five inches by two inches and it was the only graph that had these units.
—————
Please remember to revise this and make it in your own words if you want! I hope this helps you. -Doodle
—————
Answer: Option B.
Step-by-step explanation:
With the scale of one unit equalling one inch, the only answer option that meets the given requirement of having side lengths that are 5 inches and 2 inches is option B.
Answer A is 4 units by 2 units, Answer B is the needed 5 units by 2 units, Answer C is 7 units by 2 units, and Answer D is 6 units by 2 units. This leaves us with Answer B.
Please help me......................
Answer:
Your answer will be y=4 I believe
Please mark me brainliest if that is correct :)
Result of 6³⁶ pls i Need this
We know that we would need to make use of the calculator to obtain the value of 6³⁶ as 1.03 * 10^28.
What is the meaning of 6³⁶?The expression 6³⁶ means "6 raised to the power of 36," which is equivalent to multiplying 6 by itself 36 times.
So, 6³⁶ is a very large number. This number is difficult to comprehend, but it has many practical applications in fields such as physics, engineering, and computer science.
We can see that we have to make use of the standard form to write; 1.03 * 10^28 as the result.
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A test is worth 125 points . How many points (rounded to nearest whole number ) are needed to obtain a score of 85%?
Step-by-step explanation:
You need to find 85% of 125 points :
85% * 125 = .85 * 125 = ~ 106 points
What is the area of the triangle shown below if the value of h is 3/4 of the length of the side that is labeled in the figure?
In the figure, PA and PB are tangent to circle O and PD bisects BPA. The figure is not drawn to scale. HELP PLSS
The measure of the angle POB is equal to 46°. Thus, option C is correct.
What is a circle, exactly?The cοllectiοn οf all pοints in the plane that make up a circle are all equally spaced frοm a certain pοint knοwn as the "centre," making the fοrm a clοsed twο-dimensiοnal shape. The symmetry line οf reflectiοn is fοrmed by each line that traverses the circle.
Mοreοver, it pοssesses rοtatiοnal symmetry arοund the centre fοr each angle. A circle is a circular shape that can be created by tracing a mοving pοint in a plane sο that its distance frοm a specified pοint remains cοnstant.
Given
Angle AOC = 46°
Now, ΔAOP ≅ ΔBOP
As SSS criteria is possible
Then
By CPCT
∠AOC = ∠BOC = ∠POB
∠POB = 46°
Thus, the measure of the angle POB is equal to 46°. Thus, option C is correct.
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Use elimination and back substitution to solve for x and y in the system of linear equations below.
Answer:
(-2,-8)
Step-by-step explanation:
6x + 7y = -68
-2x + 7y = -52
Time the first equation by -1
-6x - 7y = 68
-2x + 7y = -52
-8x = 16
x = -2
Now put -2 in for x and solve for y
6(-2) + 7y = -68
-12 + 7y = -68
7y = -56
y = -8
Let's Check
6(-2) + 7(-8) = -68
-12 - 56 = -68
-68 = -68
So, (-2, -8) is the correct answer.