I NEED HELP SOME ONE PLEASE HELP.

Mathematics

1 answer:

garri49 [273]3 years ago

5 0

1) Start with 4 and add 2 repeatedly
2) Start with 2 and multiply by 2 repeatedly
3) 15, 18, 21

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Classify the triangle by its sides and angles

viva [34]

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3 years ago

since 3/4 foot is less than 1 foot ,what unit can you use to show 3/4 foot------------what is 3/4 of 12 inches

attashe74 [19]

3/4 = 9/12

You know you have 4 and 12 as your denominators. 4 x ? = 12

It's 3. 4 x 3 = 12 what you do to the bottom you do to the top, you multiplied x' 3

3 x 3 = 9

4 x 3 = 12

So, 3/4 is equal to 9/12

or 9 inches of 12 inches is equal to 3/4 of a foot.

Hope this helps. :)

5 0

3 years ago

How to solve b(5px-3c)=a(qx-4) for x

dsp73

We want to determine x from the expression
b(5px - 3c) = a(qx - 4)

Expand each side.
5bpx - 3bc = aqx - 4a

Subtract aqx from each side.
5bpx - aqx - 3bc = - 4a
x(5bp - aq) - 3bc = - 4a

Add 3bc to each side.
x(5bp - aq) = 3bc - 4a

Divide each side by 5bp - aq
x = (3bc - 4a)/(5bp - aq)

Answer: $x= \frac{3bc-4a}{5bp-aq}$

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3 years ago