3 years ago

Which students write the correct express

Mathematics

1 answer:

Lyrx [107]3 years ago

5 0

Answer: Madison is correct.

Step-by-step explanation:

4(2x+3y−5z)

=(4)(2x+3y+−5z)

=(4)(2x)+(4)(3y)+(4)(−5z)

=8x+12y−20z

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andrew-mc [135]

Tan t= 8/15
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3 years ago

Mariabella was 1/4 of the way through her book. Twenty pages later she was 1/3 of the way through her book. When she is 3/4 of t

Alex777 [14]

Answer: 60 pages left.

Step-by-step explanation:

Let the number of pages in the book be x.

As per given, we have

$\dfrac14x+20=\dfrac13x\\\\\Rightarrow\ \dfrac{1}{3}x-\dfrac14 x=20\\\\\Rightarrow\ \dfrac{4-3}{12}x=20\\\\\Rightarrow\ \dfrac1{12}x=20\\\\\Rightarrow x=20\times12\\\\\Rightarrow x=240$

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3 years ago

What ratios are equivalent to 12:3

nlexa [21]

Answer:

4:1

Step-by-step explanation:

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Read 2 more answers

The quotient of fifty-six and a number

snow_lady [41]

Answer:56/x

Step-by-step explanation:

that is the answer

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3 years ago

Use the original price and the markup to find the retail price.

RSB [31]

Answer:

$40,50

Step-by-step explanation:

36 increase 12.5% =

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