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dlinn [17]
3 years ago
13

PLEASE HELP I AM BAD A MATH

Mathematics
1 answer:
pav-90 [236]3 years ago
7 0

Answer:

Well what can i help you with?

Step-by-step explanation:

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Please Help I will mark brainliest !!!
arsen [322]

Answer:

No

Step-by-step explanation:

If the lines are perpendicular then they will be the negative reciprocals of each other.

Calculate the slope using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = P(- 8, - 10) and (x₂, y₂ ) = Q(- 5, - 12)

m_{PQ} = \frac{-12+10}{-5+8} = - \frac{2}{3}

Repeat the process with

(x₁, y₁ ) = R(9, - 6) and (x₂, y₂ ) = S(17, - 5)

m_{RS} = \frac{-5+6}{17-9} = \frac{1}{8}

The slopes are not the negative reciprocal of each other, thus they are not perpendicular.

6 0
3 years ago
Twice a number is equal to negative four. Which equation could be used to find the number? 2n = 4 2n = -4n 2n - 4 2n = -4
Pepsi [2]
<span>Twice a number is equal to negative four :
2n = -4

answer
</span><span>2n = -4
last one is your answer</span>
4 0
3 years ago
Read 2 more answers
When 14 is increased by 8 each time which number is closest to 100
MrRa [10]
The answer is 94 because if you add 8 more it would be 102. 14 + (8x10)
6 0
2 years ago
The sum of and 7x2 is 10x2.<br><br> Answers: 3x^2 or -3x^2
Wittaler [7]
7x^2+10x^2=17x^2\\\\if\ not\ sume\ only\ difference\\\\7x^2-10x^2=-3x^2
4 0
3 years ago
Read 2 more answers
3+6×5+4÷2-7 using the same expression,add parentheses so that the value of the expression is 38​
solmaris [256]

Answer:

3+6×(5+4÷2)-7  

Step-by-step explanation:

To solve the expression use order of operations.

Right now the expression solves to:

3+6×5+4÷2-7                  6* 5 = 30

3 + 30 + 4÷2-7                4 ÷ 2 = 2

3 + 30 + 2 - 7                   Add and subtract left to right.

33 + 2 - 7

35 - 7

28

To make it solve to 38, add parenthesis:

3+6×(5+4÷2)-7                (5+4÷2) = 7

3+6×(7)-7                        6*7 = 42

3 + 42 - 7                        Add and subtract from left to right

45 - 7

38

7 0
3 years ago
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