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Darina [25.2K]
2 years ago
9

How many solutions are in... f(x) = x² + 25

Mathematics
2 answers:
mario62 [17]2 years ago
4 0
No solutions exist. Set the function equal to 0. x^2= -25. There are no real solutions to this equation.
jonny [76]2 years ago
4 0
My work to your question

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The perimeter of a rectangular-shaped garden is 40 meters. Let w represent the width of the garden in meters. What does the expr
Drupady [299]

Answer:

The area of half of the garden in square meters

Step-by-step explanation:

5 0
2 years ago
Suppose the mean height for adult males in the U.S. is about 70 inches and the standard deviation is about 3 inches. Assume men’
nlexa [21]

Question options :

a. They should be between 64 and 76 inches tall.

b. They should be close to the height that is 95% of the mean. That is, 66.5 inches, plus or minus 2 standard deviations.

c. They should be at or below the 95th percentile, which is 74.92 inches.

d. None of the above.

Answer: a. They should be between 64 and 76 inches tall.

Step-by-step explanation:

Given the following :

Assume men's height follow a normal curve ; and :

Mean height = 70 inches

Standard deviation= 3 inches

According to the empirical rule ;

Assuming a normal distribution with x being random variables ;

About 68% of x-values lie between -1 to 1 standard deviation of the mean. With about 95% of the x values lying between - 2 and +2 standard deviation of mean. With 99.7% falling between - 3 to 3 standard deviations from the mean.

Using the empirical rule :

95% will fall between + or - 2 standard deviation of the mean.

Lower limit = - 2(3) = - 6

Upper limit = 2(3) = 6

(-6+mean) and (+6+ mean)

(-6 + 70) and (6+70)

64 and 76

8 0
3 years ago
I don’t understand what i can do
alexandr402 [8]

Answer:

14.037

Step-by-step explanation:

3^{-3} +5+9\\

0.037+5+9

14.037

4 0
2 years ago
Solve 36x^2-22x=14x-9
frutty [35]

x=1/2


i hate the minimum word count

no one comes on here to learn how to do it, we come on here to get answers


4 0
3 years ago
Find the volume of the sphere. leave your answer in terms of pi <br>r=4​
cricket20 [7]

Answer:

To find an answer in pi square the radius and multiply by pi

Step-by-step explanation:

To

find volume of a sphere = 4/3Πr³

Answer =17,164.2pi Am not sure but i hope its correct.

4 0
2 years ago
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