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3 years ago

Find the slope of the line. 3x-10y=20

Mathematics

1 answer:

Nady [450]3 years ago

7 0

Answer:

slope is -3/10

Step-by-step explanation:

-10y=-3x+20

y= -3/10x+,20

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Answer:-5
-8x-2=-16
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3 years ago

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Darina [25.2K]

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3 years ago

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The Carousel at Carowinds has 4 rings of horses. Fred is riding on the inner ring, which has a radius of 7 feet. Juan is riding

nikdorinn [45]

Answer:

Juan travel 31.4 feet farther than Fred in one rotation.

Step-by-step explanation:

In this problem we need to determine the change in linear position of Fred and Juan, whose formula is:

$s=\theta \cdot r$ (Eq. 1)

Where:

$r$ - Radius, measured in feet.

$\theta$ - Angular arch, measured in radians.

$s$ - Change in linear position, measured in feet.

If both makes one rotation in the carousel, we obtain the change in linear position of each player:

Fred ( $r = 7\,ft$ , $\theta = 2\pi$ )

$s= 2\pi\cdot (7\,ft)$

$s = (3.14)\cdot (7\,ft)$

$s = 21.98\,ft$

Juan ( $r = 17\,ft$ , $\theta = 2\pi$ )

$s= 2\pi\cdot (17\,ft)$

$s = (3.14)\cdot (17\,ft)$

$s = 53.38\,ft$

And the difference between both travelled distances is:

$\Delta s = 53.38\,ft-21.98\,ft$

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Juan travel 31.4 feet farther than Fred in one rotation.

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3 years ago

Terry is buying water. He needs 22 liters. A half-liter of water costs $2.11. A 200 -milliliter container of water costs $1.01.

Dvinal [7]

Answer: Terry should buy the half-liter of water that costs $2.11 because buying 200 litres here is cheaper.

Step-by-step explanation:

Terry is buying water and needs 22 liters. A half-liter of water costs $2.11. Using this information, 22 litres will cost:

= 22 ÷ 1/2 × 2.11

= 22 × 2 × 2.11

= $92.84

Also, A 200 -milliliter container of water costs $1.01. Using this information, 22 litres will cost:

= 22 × 1.01 ÷ 200/1000

= 22 × 1.01 × 1000/200

= 22 × 1.01 × 5

= $111.1

Based on this information, Terry should buy the half-liter of water that costs $2.11 because buying 200 litres here is cheaper.

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3 years ago

Sherese draws a segment and labels the endpoints R and S. She uses a compass and straightedge to construct a segment congruent t

Lisa [10]

Answer:

1. Adjust the compass opening to the width of RS

2. Draw point P anywhere

3. Place the compass point on point P and draw an arc.

4. Label any point on the arc as point Q

5. Use a straightedge to connect points P and Q

Step-by-step explanation:

I did the test. This was the right answer.

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3 years ago

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Find the slope of the line. 3x-10y=20​

Find the slope of the line. 3x-10y=20