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djverab [1.8K]
3 years ago
8

Use slope to determine if lines AB and CD are parallel, perpendicular, or weither

Mathematics
1 answer:
Mamont248 [21]3 years ago
4 0

Answer:

They are parallel

Step-by-step explanation

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Q1 Express in the form 1.0<br> 4:12
kherson [118]

Answer:

Step-by-step explanation:

4:12= 1:3

3 0
3 years ago
where is sandy mistake ive been trying for 30 mintues and still cant find it im not very good at math please help
MArishka [77]

Answer:

Sandy did not follow PEMDAS and added first instead of doing her multiplication and division and then her addition and subtraction the answer would be 18

6 0
3 years ago
HEY THERE! PLEASE ANSWER THE MATH QUESTION IN THE PHOTO! THE CORRECT ANSWER SHALL BE MARKED AS BRAINLIEST AND I WILL FOLLOW YOU(
ella [17]

Answer:

a) x =  7.5

b) x = 1

Step-by-step explanation:

a)

  • (4x - 1)/2 = x + 7
  • 4x - 1 = 2(x + 7)
  • 4x - 1 = 2x + 14
  • 2x = 15
  • x = 15/2 or 7.5

b)

  • 3x + 2 = (2x +13)/3
  • 3(3x + 2) = 2x + 13
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7 0
2 years ago
Suppose that y is directly proportional to x, and y = 150 when x = 15. What is the constant of proportionality?
galina1969 [7]

Answer:  The required constant of proportionality is 10.

Step-by-step explanation:  Given that y is directly proportional to x, and y = 150 when x = 15.

We are to find the constant of proportionality.

According to the given information, we can write

y\propto x\\\\\Rightarrow y=kx~~~~~~~~~~~~~~~~[\textup{where k is the constsnt of propotionality}].

When y = 150 and x = 15, we get from the above equation that

y=kx\\\\\Rightarrow 150=k\times15\\\\\Rightarrow k=\dfrac{150}{15}\\\\\Rightarrow k=10.

Thus, the required constant of proportionality is 10.

3 0
2 years ago
What is the slope of the line through (1, 1) and<br> (4.1)
Bond [772]
0
formula for slope is y2-y1 divided by x2-x1
substitute
1-1 / 4-1 = 0/3 meaning slope is 0
8 0
2 years ago
Read 2 more answers
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