3 years ago

What is the sum of 2x-5y

Mathematics

1 answer:

Ray Of Light [21]3 years ago

3 0

It would be 3y.3y is ur answer

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The picture below shows a box sliding down a ramp:

algol [13]

Answer:

11.3 ft

Step-by-step explanation:

sin = opp/hyp

hyp = opp/sin

AC = 10/sin62

Use calculator

AC = 11.325700506890392

11.3 ft

8 0

3 years ago

After sales tax, a $600 antique clock costs $642. What is the sales tax percentage?

LenKa [72]

well, clearly the tax is the added 42 bucks, so hmmm if we take 600 to be the 100%, how much is 42 off of it in percentage?

$\begin{array}{ccll} amount&\%\\ \cline{1-2} 600 & 100\\ 42& x \end{array} \implies \cfrac{600}{42}=\cfrac{100}{x}\implies \cfrac{100}{7}=\cfrac{100}{x} \\\\\\ 100x=700\implies x=\cfrac{700}{100}\implies x=7$

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2 years ago

Read 2 more answers

Mike's Music Soul 287 CDs on the first day of a two day sale the store so 96 more CD's on the second day then the first day how

almond37 [142]

The answer is 670.
this is because 96 plus 287 is 383.
so he sold 287 on the 1st day, and 383 on the second day.
383 plus 287 equals 670.

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3 years ago

Joe bought 6 packages of envelopes. each package contains 125 envelopes. how many envlopes did he buy?

Tresset [83]

125 / 6 thats your answerrrrrrrrrrrrr

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3 years ago

Find the value of x and then classify the triangles

ZanzabumX [31]

6. x = 16; it's a scalene triangle

7. x = 45; it's a right triangle.

8 0

3 years ago