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3 years ago

2. What is the interpretation of the constant of proportionality?

Mathematics

1 answer:

Snowcat [4.5K]3 years ago

6 0

Answer: It would be the first one, 0.001 kilometers per meter.

Step-by-step explanation: is 1,000 meters is equal to 1 kilometer, you would have to move the decimal on each until one is at one and the other is at 0.001. This would leave you with the first answer. Hope this helps!

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What value of x makes 2x-1=-7 true?

forsale [732]

Answer:x=-3

Step-by-step explanation:

2x-1=-7

Add 1 to each side

2x=-6

Divide each side by 2

x=-3

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3 years ago

The sum of two consecutive number is 15. the number are and solve

Fiesta28 [93]

By Question it's given that the sum of two numbers is 15 . And we need to find out the numbers. So ,

Let us take :-

First number = x
Second number = x + 1

According to the Question :-

$\sf\implies x + x +1=15\\\\\sf\implies 2x = 15-1\\\\\sf\implies 2x =14 \\\\\sf\implies x =14/2 \\\\\sf\implies\red{ x = 7 }$

Therefore :-

First number = 7
Second number = 8

Hence the two numbers are 7 and 8. 

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3 years ago

What is the measure of

Art [367]

I believe it’s the bottom option since both triangles are the same and a triangle is 180° and if you subtract 60° you’ll get 120°

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2 years ago

Evaluating Expressions

d1i1m1o1n [39]

Answer: 13. -12 , 14. 40 , 15. 16 , 16. 4.5

Step-by-step explanation:

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2 years ago

Find the value of y and simplify completely

Law Incorporation [45]

Here we have three similar triangles

In similar triangles sides are in proportion

The altitude to the hypotenuse of a right triangle is the mean proportional between the segments into which it divides the hypotenuse.

$\frac{part of hypotenuse }{altitude} =\frac{altitude}{other part of hypotenuse}$

$\frac{16}{y} =\frac{y}{4}$

We cross multiply to solve for y

$y^{2} =64$

Taking root of both sides

y=8

8 0

3 years ago