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3 years ago

Fraction manipulative to reduce 2/8

Mathematics

1 answer:

Rudik [331]3 years ago

5 0

The answer is 1/4
2 divided by 2 is 1
and 8 divided by 2 is 4

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2y + x + 7 = 0 how do i solve with substitution?

Jlenok [28]

Answer:

x+2y=-7

Step-by-step explanation:

2y + x =-7

x+2y=-7

6 0

3 years ago

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Select the words that mean the same as the Y-intercept. Select all that apply

d1i1m1o1n [39]

Answer:

i think its slope and initial value, so sorry if its wrong

Step-by-step explanation:

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3 years ago

Solve the proportion 35/30 = 28/? A. 48 B. 23 C. 24 D. 46

koban [17]

Answer:

C. 24

Step-by-step explanation:

by algebra:

let "?" be x

35/30 = 28 / x (multiply both sides by 30)

35 = (28/x) (30) (multiply both sides by x)

35x = (28)(30)

35x = 840 (divide both sides by 35)

x = 840 / 35

x = 24

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3 years ago

QUESTION 30A ! if a=32 what must measure of D in order for abc to be similar to def? Pls help !!

Vilka [71]

I think it's still 32°

5 0

3 years ago

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Human body temperatures have a mean of 98.20° F and a standard deviation of 0.62°. Sally's temperature can be described by z = -

STALIN [3.7K]

Answer:

$97.27^{o}F$

Step-by-step explanation:

We have been given that human body temperatures have a mean of 98.20° F and a standard deviation of 0.62°. Sally's temperature can be described by z = -1.5.

To find Sally's temperature we will use z-score formula.

$z=\frac{x-\mu}{\sigma}$ , where $\mu$ = Mean, $\sigma$ = Standard deviation.

Let us substitute our given values in z-score formula.

$-1.5=\frac{x-98.20}{0.62}$

Multiply 0.62 to both sides of equation.

$0.62\times-1.5=0.62\times \frac{x-98.20}{0.62}$

$-0.93=x-98.20$

Add 98.20 to both sides of equation.

$-0.93+98.20=x-98.20+98.20$

$97.27=x$

Therefore, Sally's temperature will be 97.27 degrees Fahrenheit.

4 0

3 years ago

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