3 years ago

Help me find the scale factor

Mathematics

1 answer:

atroni [7]3 years ago

3 0

The scale factor for the first one is 2.25
And for the second one it’s 7
I hope this helps :)

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There are four times as many girls in a chemistry class as there are boys. if there are 45 students in the class, how many boys

puteri [66]

In order to determine the number of boys in the class, first, we set-up an algebraic equation. Let x = number of boys in the class. The equation is then: x + 4x = 45. This is because the number of girls is 4 times greater than the number of boys. After solving the algebraic equation, it is then determined that there are 9 boys in the Chemistry class.

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3 years ago

Solve the formula for the indicated variable. k=g-d/c for g

Murrr4er [49]

Just like any other variable, we complete the same process

$k = g - \frac{d}{c} \\ k + \frac{d}{c} = g \\ \frac{kc + d}{c} = g \\$
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OR

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3 years ago

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In the set, (1,4), (3,5) and (-1, 2), what is the range?

stealth61 [152]

Answer:

$\boxed{ \bold{ \huge{ \boxed{ \sf{2 \: , \: 4 \: , \: 5 \: }}}}}$