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4 years ago

HELP WILL MARK YOU BRAINLIEST NO GUESSES PLZ!!!!

Mathematics

1 answer:

zepelin [54]4 years ago

5 0

Answer:

I believe the answer is the first one A

Step-by-step explanation:

If you do this will construct the perpendicular bisector for AB.

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Zane calculated the missing side length of one of these triangles using the Pythagorean Theorem. Which triangle is it? (4 points

Mamont248 [21]

Answer:

Step-by-step explanation:

The Pythagorean Theorem only works for right triangles. Triangle B is the only one that has a right angle.

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3 years ago

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PtichkaEL [24]

The answer is b hope this helps

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3 years ago

What is the justification for step 4 in the solution process?

iogann1982 [59]

Answer:

Multiplication property of equality

Step-by-step explanation:

Given

Step 4: b = -27/8

Required

Which property justifies it?

First, it should be noted that step 4 is a result of step 3

When step 3 is multiplied by 3/8 on both sides, we have step 4;

i.e.

$\frac{8}{3b} = -9$

$\frac{8}{3b} * \frac{3}{8} = -9 * \frac{3}{8}$

$b = -9 * \frac{3}{8}$

$b = \frac{-9 * 3}{8}$

$b = \frac{-27}{8}$

The property that allows 3/8 be multiplied on both sides is referred to as the multiplication property of equality

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3 years ago

140cm 3 cm 12 cm 8 cm Find surface area?

Mashcka [7]

Answer:

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3 years ago

Solve for x: -10x/2+x=x+8/x

rosijanka [135]

$The\ domain:\\D:\ x\neq-2\ \wedge\ x\neq0\\\\\dfrac{-10x}{2+x}=\dfrac{x+8}{x}\ \ \ \ |\text{cross multiply}\\\\(-10x)(x)=(2+x)(x+8)\\\\-10x^2=(2)(x)+(2)(8)+(x)(x)+(x)(8)\\\\-10x^2=2x+16+x^2+8x\\\\-10x^2=x^2+10x+16\ \ \ +10x^2\\\\11x^2+10x+16=0\\\\a=11,\ b=10,\ c=16\\\\b^2-4ac=10^2-4(11)(16)=100-704=-604 < 0\\\\NO\ REAL\ SOLUTION$

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3 years ago