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Gwar [14]
2 years ago
15

What is the midpoint of a segment with These endpoints (-12,-3) and (3,-8)

Mathematics
1 answer:
Savatey [412]2 years ago
8 0

Answer:

(\frac{-9}{2},\frac{11}{2})

Step-by-step explanation:

you have to use the midpoint formula which is

(\frac{x1+x2}{2},\frac{y1+y2}{2})

so you plug your numbers in

(\frac{-12+3}{2},\frac{-3+-8}{2})

Add the tops

(\frac{-9}{2} ,\frac{-11}{2} )

if possible simplify

and that is your answer

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If a ∝ b and a = 18 when b = 3, then find a when b = 5.
Elden [556K]

"a ∝ b" means "a is proportional to b", which in turn means there is some constant k such that

a = kb

We're given that a = 18 and b = 3, so that

18 = 3k   ⇒   k = 6

Then when b = 5, we would have

a = 6 × 5 = 30

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1 year ago
How does the value represented by the digit 4 in R compare to the value represented by the digit 4 in T?
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69x

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24% of what number is 12?
vladimir1956 [14]
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Can someone help please, will give brainiest if correct!!!!
Bond [772]

Answer:

AB = 9/2 cm

AB = 4.5 cm

Step-by-step explanation:

The area of small rectangle

x * (x-4) = x^2 -4x

The area of  the big rectangle

The height is 2x +x  and the width is x-2

(2x+x) * (x-2)

(3x) * (x-2)

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4x^2 -10x

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Subtract 36 from each side

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Divide each side by 2

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Factor

(x + 2) (2 x - 9) = 0

Using the zero product property

x+2=0  2x-9=0

x = -2   2x =9

x = -2   x = 9/2

Since we cant have a negative length

x = 9/2

AB = 9/2 cm

5 0
2 years ago
Read 2 more answers
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