3 years ago

Write the word sentence as an equation. Then solve. A number x multiplied by 25 is 320.

Mathematics

1 answer:

Whitepunk [10]3 years ago

8 0

Answer:

12.8

Step-by-step explanation:

12.8x25=320

320 divide 25=12.8

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A Ferris wheel 50ft in diameter makes one revolution every 40sec. If the center of the wheel is 30ft above the ground, how long

aleksklad [387]

Answer:

The rider is 15.91 seconds 50 ft above the ground after reaching the low point

Step-by-step explanation:

We can evaluate the angle α

using trigonometry applied to the orange small triangle with height 50-30 = 20 ft and hypotenuse equal to the radius r = 25ft

Now

$20 = \frac{25}{sin(\alpha)}$

$\alpha = arcsin{\frac{20}{25}$

$\alpha = 53.13^{\circ}$

So 50 ft of height corresponds to the total angle:

$90^{\circ} =53.13^{\circ} = 143.13 6^{\circ}$ = 2.498 radians

Now the angular velocity

$\omega = \frac{2\pi}{T}$

$\omega = \frac{2 \pi}{40}$

$\omega =0.157rad/s$

To describe 2.498 rad it will take:

$t = \frac{2.498}{0.157}$

t = 15.91 s

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4 years ago

Sean 4 science fiction books for 3 sports books. which graph represents his book collection.

yKpoI14uk [10]

Answer:

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Step-by-step explanation:

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3 years ago

Dalton's dad rode his bike 1 kilometer north, 1 kilometer west, 1 kilometer south, and 2 kilometers east. How many total kilomet

Triss [41]

5 kilometers Dalton's dad rides

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3 years ago

What is the area of a trapezoid that has a bases measuring 19 cm and 23 cm, and a height of 14 cm?

kramer

$s = \frac{a + b}{2} \times h$

S = (19+23)/2×14

S = 42/2×14

S = 21×14

S = 294 cm^2

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4 years ago

Can u plz tell me what is16 times what =1793

mel-nik [20]

Answer:

16 * 112.0625 = 1,793

Step-by-step explanation:

to get the unknown number you simply divide 16 by 1,793.

1,793 / 16 = 112.0625

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4 years ago