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andrew-mc [135]
3 years ago
5

Please help! geometry question!

Mathematics
1 answer:
Margaret [11]3 years ago
6 0

Answer:

Step-by-step explanation:

∠B=∠C (isosceles triangle)

so ⊥ AD bisects BC.

or BD=CD

2x-15=x+7

2x-x=7+15

x=22

AD=4x-6=22×4-6=82

DC=22+7=29

AC=\sqrt{(82^2+29^2)} =\sqrt{6724+841} =\sqrt{7565} \approx 86.977 \approx 86.98

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Two lines are perpendicular when... the product of their slope is -1, the product of the slope is greater than 0, they have the
Soloha48 [4]

The answer is the product of their slope is -1.

First, let's break this down. Perpendicular lines are line with opposite reciprocal slopes. Opposite meaning the inverse sign and reciprocal meaning flipped.

For instance,

If a line had the slope of 5, its inverse would have a slope of -1/5.

Now, if we multiply these numbers together,

5 * -1/5 = -1

The 5's cancel out.

This works for any two perpendicular lines

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Answer:

I would need to see the variables to answer this questions.

3 0
3 years ago
Three times n equals 45
prohojiy [21]
3n = 45 n= 15 super simple ;)
3 0
3 years ago
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Can someone help? 25 points
tigry1 [53]

Answer:

Triangle A: acute

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5 0
3 years ago
Read 2 more answers
6x^2+x-12 in factored form
pychu [463]
6x²+x-12

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two numbers that would fit this is 9 and -8
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now we look for whats common between the first two numbers and divide them out

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now we do the same with the last two numbers

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notice how the numbers in brackets are the same (2x+3)
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once we do that you should get an answer of 

(3x-4)(2x+3)

hope this helped!


5 0
3 years ago
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