I will give brainiest to whoever answers this 20 is 25% of what number? enter your answer in the box . plz help

1 answer:

5 0

We know that if we multiply 25% by 4, we get 100%. So if we apply the same rule to 20, we find that 20 is 25% (or 1/4) of 80. This can be proven by dividing 80 by 4, which does indeed equal 20, so we know this is true.

So the answer to this question is that 20 is 25% of 80.

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Write an equation of the line passing through the points (4,6) and (-2, - 18).

olga_2 [115]

Answer:

y = 4x – 10

Step-by-step explanation:

slope formula: $m = \frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

point-slope formula: $y-y_{1}=m\left(x-x_{1}\right)$

Use slope formula and plug in your numbers: $m = \frac{-18-6}{-2-4 }$
Solve for slope $m = 4$
Use the point-slope formula to solve for the equation: $y-6=4\left(x-4\right)$
Solve and find equation: $y=4x-10$

Note: When given two points you only need to pick one for the point-slope formula! Best to choose the positive one so you don't have to deal with the negatives!

Hope this helps! Please give Brainliest!

4 0

2 years ago

Help me, please JKHCEIUXNH

LuckyWell [14K]

Answer:

1.) m= — 25/21 2.) m = 0 3.) m = —1/32

Step-by-step explanation:

3 0

3 years ago

Please solve quickly!!

tamaranim1 [39]