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zloy xaker [14]
2 years ago
9

Please help pls help mEE THIS IS REALLY CONFUSING MARKING BRAINlIST AND GIvinG 50 POINTS IF CORRECT!!

Mathematics
2 answers:
Flura [38]2 years ago
6 0

As it's 7:2

  • The variation is direct

Difference between x and y must increase in big number as x and y increases

Option D is correct in that manner

Let's double check

  • 7:2
  • 14:4
  • 28:8
  • 56:16
Ann [662]2 years ago
4 0

Last box

<h2>If you found this useful, please mark it as the BRAINLIEST.</h2><h2>XD</h2><h2 /><h2>Have a nice day ツ</h2><h2 />

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There were 350 members in a high school marching band last year.This year,the number of marching band members increased by 56.By
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It increased by 16%

Step-by-step explanation:

350+56=406

406/350=1.16

1.16= 16% increase% increase

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If a school wants student opinion on the course registration process, would a systematic sample polling every tenth student to r
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Stratified random sampling is based on a subdivision of the sample framework into strata with the help of an observable variable that separates them. After forming the strata, each individual is located in one and only one stratum. The sample is established by selecting a certain number of individuals in each stratum, guaranteeing a contribution of each stratum in the information obtained.

The best sampling method, in this case, is Stratified Random.

Step-by-step explanation:

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3 years ago
Rewrite the expression
Setler [38]

\sqrt[n]{a^m}=a^\frac{m}{n}


35^\frac{1}{4}=\sqrt[4]{35}


(3^5)^\frac{1}{4}=3^{5\cdot\frac{1}{4}}=3^\frac{5}{4}=3^{1\frac{1}{4}}=3\cdot3^\frac{1}{4}=3\sqrt[4]3


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7 0
3 years ago
Help pretty pleeease
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PPLICATIONS
tiny-mole [99]

All relations that have an inverse are functions.

  • <em>The value of  </em>A^{-1}(9\pi)<em> is 3</em>
  • <em>The value of  </em>A^{-1}(36\pi)<em> is 6</em>

<em />

The function is given as:

\mathbf{A(r) =\pi r^2}

<u>(a) The value of </u>A^{-1}(9\pi)<u />

From the table (see attachment), we have:

A(3) = 9\pi

Take inverse of both sides

3 = A^{-1}(9\pi)

Rewrite as:

A^{-1}(9\pi) = 3

Hence, the value of  A^{-1}(9\pi) is 3

<u>(b) The value of </u>A^{-1}(36\pi)<u />

From the table (see attachment), we have:

A(6) = 36\pi

Take inverse of both sides

6 = A^{-1}(36\pi)

Rewrite as:

A^{-1}(36\pi) = 6

Hence, the value of  A^{-1}(36\pi) is 6

Read more about inverse functions at:

brainly.com/question/10300045

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3 years ago
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