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elena55 [62]
3 years ago
11

What is the value of x on this figure?

Mathematics
1 answer:
Sveta_85 [38]3 years ago
8 0

Answer:

D

Step-by-step explanation:

I had a test and this is the answer. :)

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A roller coaster is going down the slope and the speed is 6m/s . 10 seconds later it has reached the bottom of the slope with a
weqwewe [10]

Answer:

The acceleration is 2.9m/s^2

<em></em>

Step-by-step explanation:

Given

Initial\ Speed\ (u) = 6m/s

Final\ Speed\ (v) = 35m/s

Time\ (t) = 10s

Required

Determine the acceleration

This question will be answered using Newton's first equation of motion.

v = u + at

Substitute values for v, u and t

35 = 6 + 10 * a

35 = 6 + 10 a

Collect Like Terms

10a = 35-6

10a = 29

Solve for a

a = 29/10

a = 2.9

<em>Hence, the acceleration is 2.9m/s^2</em>

8 0
3 years ago
MATHEMATICAL CONNECTIONS The value of the surface area of the cylinder is equal to the value of the volume of the cylinder. Find
loris [4]

Given :

The value of the surface area of the cylinder is equal to the value of the volume of the cylinder.

To Find :

The relation between height and radius.

Solution :

S.A=2\pi rh+2\pi r^2=2\pi r(h+r)

V=\pi r^2h

Now ,

S.A=V\\\\2\pi r(h+r)=\pi r^2h\\\\2(h+r)=rh\\\\2h+2r=rh\\\\h(2-r)=-2r\\\\h=\dfrac{2r}{r-2}

Hence, this is the required solution.

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3 years ago
Veronica's weekly salary at Fry's is $579.25. What is her annual salary?
Setler79 [48]

Answer:

$30,121

Step-by-step explanation:

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3 years ago
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1.46 I’m pretty sure.
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Explain how to use properties to prove d + (8d + 1) + 7 is equivalent to 8 + 9d.
Nadya [2.5K]

Answer:

Use the associative property to move the parentheses, and the expression becomes (d + 8d) + 1 + 7. Combine like terms, and the expression becomes 9d +8. Use the commutative property to change the order of the terms, and the expression becomes 8 + 9d.

Step-by-step explanation:

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4 years ago
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