4 years ago

Using radicals write an equivalent expression for the expression y1/5

Mathematics

1 answer:

blagie [28]4 years ago

7 0

Answer: y2/10

Step-by-step explanation:

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Find the slope of the line graphed below.

arsen [322]

Answer:

$\frac{6}{5}$

Step-by-step explanation:

( $x_{1}$ , $y_{1}$ )

( $x_{2}$ , $y_{2}$ )

m = $\frac{y_{2} -y_{1} }{x_{2} -x_{1} }$

~~~~~~~~~~~

(3, 3)

( - 2, - 3)

m = $\frac{-3-3}{-2-3}$ = $\frac{6}{5}$

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3 years ago

A data set is normally distributed with a mean of 27 and a standard deviation of 3.5. Find the z-score for a value of 25, to the

e-lub [12.9K]

Answer:

z score = .2843

Step-by-step explanation:

25 is 2 below 27

this is 2/3.5 = .5714 S.D. below mean

z-score . 2843

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3 years ago

There were 25 students in an Algebra class. If the number of girls is 10 more than half the number of boys, how many boys were i

Ilya [14]

There are 25 students.

Let g = girls, and b = boys

g = 1/2b + 10

g + b = 25

Plug in 1/2b + 10 for g

(1/2b + 10) + b = 25

3/2b + 10 = 25

isolate the b, subtract 10 from both sides, and then multiply by 2/3

3/2b + 10 (-10) = 25 (-10)

3/2b = 15

(3/2b)/(2/3) = 15(2/3)
b = 30/3
b = 10

Subtract 10 from 25 to get the number of girls

25 - 10 = 15

g = 15

There are 10 boys in the class.

hope this helps

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3 years ago

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Answer:

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In the square pyramid below, a = 12 ft and b = 10 ft.

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Answer:

Step-by-step explanation:

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