3 years ago

What is the area of this triangle?

Mathematics

1 answer:

Alisiya [41]3 years ago

6 0

7 I think let me know if I’m wrong

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Multiply (x-2) (2x+4)

Bas_tet [7]

Answer:

$2x {}^{2} - 8 = 0$

Step-by-step explanation:

$(x-2) (2x+4) = 0\\ 2x {}^{2} + 4x - 4x - 8 = 0 \\ 2x {}^{2} - 8 = 0$

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3 years ago

Which equation represents a line which is perpendicular to the line y=-4/5x+2?

lyudmila [28]

Answer:

D) 4x + 5y = -30 = -4/5

Step-by-step explanation:

A) 5x + 4y = 28 slope = -5/4

b) 4x-5y = -25 slope = 4/5

c) 4y - 5x = -12 slope = 5/4

d) 4x + 5y = -30 slope = -4/5

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2 years ago

9th grade- Point slope of line. Please explain how to do this, I got it wrong. I need an explanation cause I haven’t done it in

Andrei [34K]

Answer:

The answer would be C

Step-by-step explanation:

You were going in the right direction but the problem was that you needed to subtract and not add. The formula should be y-y1 / x-x1 iirc. Hope this helped.

4 0

2 years ago

46.27 in + 1 in =. what is the answer?????????????????

choli [55]

Answer:

=46.27in

Step-by-step explanation:

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3 years ago

Solve the system of equations by elimination<br><br> 3x + 5y = 16<br> 2x - y = 2

alina1380 [7]

Answer:

the answer is 2

Step-by-step explanation:

8 0

3 years ago