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mr Goodwill [35]
2 years ago
12

Solve the following systems by elimination. You must show work.

Mathematics
1 answer:
satela [25.4K]2 years ago
3 0

Answer:

fnnfncbc cbc c x

Step-by-step explanation:

chchdbdbxbdbdbdbdbdfffjfjcjcjcjcjcnjffjf

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Which expressions are equivalent to 3(-2a-4-)+3a
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Answer:

−6a−12+3a

Step-by-step explanation:

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3 years ago
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3 years ago
The table of values shows the height of a car of a Ferris wheel as it travels in a circular motion. Which statements are true? S
Mashutka [201]

Answer:

The true statements are;

The car makes one complete revolution in 12 s

The radius of the Ferris wheel is 25 yd

Step-by-step explanation:

The values of the table of the given Ferris wheel are presented here as follows;

\begin{array}{cc}Time \ (seconds) &Height \ (yards)\\0&30\\3&55\\6&30\\9&5\\12&30\\15&55\\18&30\\21&5\\24&30\end{array}

From the table, we have;

The time it takes the Ferris wheel to complete a motion round from a height of 30 yards and back to 30 yards which is one revolution = 12 s

∴ The time it takes the car to complete one revolution = 12 s

The maximum height of the Ferris wheel = 55 yards

The lowest height of the Ferris wheel = 5 yards

The time at which the Ferris wheel is at the lowest height = 9 s, and 21 s

If the car is loaded at 0 s, then people are loaded above the lowest height of the Ferris wheel

The diameter of the Ferris wheel = The maximum height of the Ferris wheel - The minimum height of the Ferris wheel

∴ The diameter of the Ferris wheel = 55 yards - 5 yards = 50 yards

The radius of the Ferris wheel, R = 1/2 × The diameter of the Ferris wheel

∴ The radius of the Ferris wheel, R = 1/2 × 50 yards = 25 yards

Therefore, the true statements are;

The car makes one complete revolution in 12 s

The radius of the Ferris wheel is 25 yd.

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3 years ago
One number is 9 times the other. Find the two numbers if their sum less 10 equals 50
astra-53 [7]
 the numbers would be 36 and 4
3 0
3 years ago
The measure of right angle is 90
Aleks04 [339]
Degrees, correct! :) <3333
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3 years ago
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