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mestny [16]
4 years ago
6

For every 2 pins that are sold the spirit club will make $4 how much money would the spirit club make if the club sold 12 and 14

pins​
Mathematics
1 answer:
hram777 [196]4 years ago
7 0

Answer:

52$

Step-by-step explanation:

ok so 2 pins cost 4$ so if you buy one pin its 2$ correct? take 12 and multiply it by 2 and take 14 and multiply by 2,

12×2=24$

14×2=28$

add those two together and you get 52$

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In the pendulum formula , we use g = 9.8 m/s2 for the acceleration due to gravity on Earth. But what about on the Moon? If an as
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Answer:

The acceleration due to gravity on the moon is 1.642 m/s².      

Step-by-step explanation:

Given : In the pendulum formula , we use g = 9.8 m/s2 for the acceleration due to gravity on Earth. If an astronaut on the surface of the moon swings a 1-meter long pendulum, and it has a period of 4.9 seconds.

To find : What is the acceleration due to gravity, g, on the moon?        

Solution :

The pendulum formula is T=2\pi \sqrt{\frac{L}{g}}

where, T is the time period,

L is the length of the pendulum,

g is the acceleration due to gravity

We have to find the value of g acceleration due to gravity on the moon.

The formula became,

g'=(\frac{2\pi}{T})^2\times L

Substitute T=4.9 seconds , L= 1 m

g'=(\frac{2\times 3.14}{4.9})^2\times 1

g'=(\frac{6.28}{4.9})^2

g'=\frac{39.4384}{24.01}

g'=1.642

The acceleration due to gravity on the moon is 1.642 m/s².

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4 years ago
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What is the approximate width of a 90 percent confidence interval for the true population proportion if there are 12 successes i
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The correct choice of answer is the second one (b).
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Answer: It will be (B)

Step-by-step explanation:

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Ross chose a card at random from a deck of 52 cards. Ross replaced the card and then chose a second card. What is the probabilit
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Answer:

\frac{1}{208}

Step-by-step explanation:

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Now let us find probability of getting the ace of spades.

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Now let us multiply these to find probability of getting a club and ace of spades.      

\text{ Probability of getting a club and then ace of spades}=\frac{1}{4}*\frac{1}{52}=\frac{1}{208}

Therefore, probability of getting a club and then the ace of spades \frac{1}{208}.

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