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3 years ago

For two variables that are inversely related, what is the result of doubling one variable

Mathematics

2 answers:

mart [117]3 years ago

6 0

the other variable is halved.

My name is Ann [436]3 years ago

4 0

As they are inversely related, if one goes up, the other has to go down by the same factor. This means if one variable is doubled, the other would be halved.

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Solve & Explain your Math thinking 12-7

Tom [10]

For this case we have the following subtraction:

$12-7$

We can rewrite the subtraction in an easier way.

We have then:

$12-7 = 12 - (5 + 2)$

Then, by doing associative property we have:

$12 - (5 + 2) = (12-2) - 5\\(12-2) - 5 = 10 - 5\\10 - 5 = 5$

Answer:

The value of the subtraction is given by:

$12-7 = 5$

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Marat540 [252]

Answer:

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2 years ago

A submarine changes its position by −7 meters every second. What is the change in the submarine's position after 300 seconds?

Hoochie [10]

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3 years ago

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OC and OR are similar. Find the length of QP.

Elena L [17]

Given:

Circle C and circle R are similar.

The length of arc AB is $s = \frac{22 \pi}{9}$

The radius of circle C (AC) = 4 unit

The radius of circle R (QR) =6 unit

To find the length of arc QP.

Formula

The relation between s, r and $\theta$ is

$arclength = 2\pi r \frac{\theta}{360}$

where,

s be the length of the arc

r be the radius

$\theta$ be the angle.

Now,

For circle C

Taking r = 4

According to the problem,

$2 \pi r \frac{\theta}{360} = \frac{22 \pi}{9}$

or, $2r \frac{\theta}{360} = \frac{22}{9}$ [ eliminating $\theta$ from both side]

or, $\theta = \frac{(22)(360)}{(9)(2)(4)}$

or, $\theta = 110^\circ$

Again,

For circle R

Taking, r = 6 and $\theta = 110^\circ$ we get,

The length of arc QP is

$arc length = 2\pi (6)(\frac{110}{360} )$

or, $arclength = \frac{11 \pi}{3}$

Hence,

The length of QP is $\frac{11 \pi}{3}$ . Option C.

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2 years ago

Find the slope of the line that passes through the coordinates (3,-6) and (-9,2)

JulsSmile [24]

9514 1404 393

Answer:

-2/3

Step-by-step explanation:

The slope formula is useful for this.

m = (y2 -y1)/(x2 -x1)

m = (2 -(-6))/(-9 -3) = 8/-12

m = -2/3

The slope of the line is -2/3.

The graph shows the two points and a line with a slope of -2/3.

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2 years ago