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2 years ago

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Mathematics

1 answer:

nirvana33 [79]2 years ago

5 0

Answer:

Is this a question or..........

Step-by-step explanation:

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Abby's auto wash earns revenues of $14 per customer. After serving 2 customer, how much revenue will abby's auto wash have?

ruslelena [56]

Answer:14+14=28

Step-by-step explanation:

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3 years ago

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a lottery game has balls numbered 1 through 21. what is the probability of selecting a ball with a prime number on it or a 10

Ronch [10]

Answer:

3/7

Step-by-step explanation:

The prime numbers that lie between 1 and 21 are 2,3,5,7,11,13,17, and 19. These 8 balls, plus the 10-ball comes to a total of 9 balls that could be picked out of the 21. Therefore, the probability of picking one of these balls is 9/21 or 3/7

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3 years ago

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On Mars the acceleration due to gravity is 12 ft/sec^2. (On Earth, gravity is much stronger at 32 ft/sec^2.) In the movie, John

insens350 [35]

Solution :

Given initial velocity, v= 48 ft/s

Acceleration due to gravity, g = $12\ ft/s^2$

a). Therefore the maximum height he can jump on Mars is

$H_{max}=\frac{v^2}{2g}$

$H_{max} = \frac{(48)^2}{2 \times 12}$

= 96 ft

b). Time he can stay in the air before hitting the ground is

$T=\frac{2v}{g}$

$T=\frac{2 \times 48}{12}$

= 8 seconds

c). Considering upward motion as positive direction.

v = u + at

We find the time taken to reach the maximum height by taking v = 0.

v = u + at

0 = 16 + (12) t

$t=\frac{16}{12}$

$=\frac{4}{3} \ s$

We know that, $S=ut + \frac{1}{2}at^2$

Taking t = $=\frac{4}{3} \ s$ , we get

$S=16 \times\frac{4}{3} + \frac{1}{2}\times(-12) \times \left(\frac{4}{3}\right)^2$

$S=\frac{32}{3}$ feet

Thus he can't reach to 100 ft as it is shown in the movie.

d). For any jump whose final landing position will be same of the take off level, the final velocity will be the initial velocity.

Therefore final velocity is = -16 ft/s

3 0

2 years ago

The area of a circle depends on the radius. Use the equation A(r) = (3.1415..)r^2 to compute A(6). Round your answer to the near

fredd [130]

Hello!

To solve this you put 6 in for r

When you put this into a calculator you get the answer of 113.10

Hope this helps!

3 0

2 years ago

Translate the following: x is at most 6

olasank [31]

Answer:

x <u>></u> 6

Step-by-step explanation:

If it is at most 6 then it could be equal to or less than 6 but not more so it would be a <u>></u>.

For example: If you had 6 dollars to spend at the store and you want to buy some candy. You can only buy something that is less than or equal to 6 dollars or else you wouldn't have enough money. Though this example would be different in real life bc of tax, it is the same type of thing.

8 0

3 years ago