2 years ago

Choose the answer that best completes the sentence below.

1 answer:

8 0

The answer is "while".

"While foot binding was promoted as a way to achieve ideal beauty, in reality, it horribly disfigured a woman's feet."

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The following table shows the probability of rolling the numbers 1 through 7

Marysya12 [62]

Answer:

2.0

Step-by-step explanation:

Couldn't really understnd what you wrote but I'll assume it's the standard deviation of a fair, 7-sided die

The standard deviation is just the square root of the variance (which is just the second moment minus the first moment squared)

The first moment (AKA the average is..)

$\frac{1+2+3+4+5+6+7}{7}=4$

The second moment is..

$\frac{1^2+2^2+3^2+4^2+5^2+6^2+7^2}{7}=20$

$\sqrt{20-4^2}=2$

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2 years ago

Maria's math test had 25 questions she got 84% correct how many did she get wrong

inysia [295]

$\frac{x}{25}=84% \\ \frac{x}{25}=.84 \\ 25( \frac{x}{25})=(.84)(25) \\ x=21$
Maria got 21 correct.

Number wrong = Total - Number right
y = 25 - 21
y = 4

Maria got 4 wrong.

Hope this helps!

7 0

2 years ago

Read 2 more answers

(-2) + 4 = 4 + (-2)

Nataly_w [17]

It's D the comunicative property of addition

8 0

2 years ago

Read 2 more answers

Given: 5n - 42 = 12n; Prove: n= -6<br> What are the Statements<br> What are the Reasons

asambeis [7]

Answer:

-72=-72

Step-by-step explanation:

5n-42=12n

n=-6

5*(-6)-42 = 12*(-6)

-30-42=-72

-72=-72

So, n= -6 is the right number for this equation

4 0

2 years ago

If school ended today what is the first thing you'd do?

Katarina [22]

Answer:

hhehehehheh

Step-by-step explanation:

1.Go to home

2.Plug in the computer

3. Play all trigger games

5 0

2 years ago