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4vir4ik [10]
3 years ago
10

Ms.mitchell's coin purse has 20 coins there are 6 pennies are, 4 quarters, 3 dimes, and the remainder are nickels. what is the t

herorecit probability that you randomly pick a nickels
Mathematics
2 answers:
Ber [7]3 years ago
8 0

Answer:

I believe the answer is 7/20 or 35%.

Step-by-step explanation:

I first started by subtracting the coins that we already know from the total, and I get 7. I put that in fraction form which is, 7/20 and I turned it into percent form which is 35%. I hope one of these answers helps.

Contact [7]3 years ago
4 0

Sample Space= {1, 1, 1, 1, 1, 1, 25, 25, 25, 25, 10, 10, 10, n x?}

After we have this equation written out, or also known as a sample space, we now have to figure out the probability by counting the coins up "seperately":

P(P)= 6/20 or 3/10 or 30%

P(Q)= 4/20 or 1/5 or 20%

P(D)= 3/20 or 15%

P(N)= 7/20 or  35%

After completing this step, you finally have your answer. So the theoretical probability that you randomly pick a nickel would be 7/20 or 35%.

Hope this helped, have a good day! :3

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The volume of a volleyball is about 288 cubic inches. what is the radius of the volleyball, to the nearest tenth of an inch? use
Len [333]

Answer:

The radius of the volleyball is 8.3 inches

Step-by-step explanation:

Given

r = \sqrt{\frac{3v}{4\pi}}

v = 288

Required

Determine the value of r

To do this, we simply substitute 288 for v and 3.14 for π in the given equation.

This gives

r = \sqrt{\frac{3v}{4\pi}}

r = \sqrt{\frac{3 * 288}{4 * 3.14}}

r = \sqrt{\frac{864}{12.56}}

r = \sqrt{68.7898089172}

r = 8.29396219651

r = 8.3\ inch (Approximated)

Hence;

<em>The radius of the volleyball is 8.3 inches</em>

3 0
2 years ago
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Step-by-step explanation:

Angle EGF = 0.5(180° - 50°) = 65°.

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3 years ago
Give a counterexample for the statement: 'All square roots are irrational numbers'. Explain your reasoning.
galben [10]
A counterexample for the statement 'All square roots are irrational numbers.' is the square root of 9.  This is because when simplified, the answer is 3.  

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iris charges a fee for her consulting services plus an hourly rate that is 1 1/5 times her fee on a 7 hour job and iris charged
Veronika [31]
Based on the given problem above, here is the solution.
Given: Iris's charge: 470
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           ? = fee for an hourly rate
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So Iris's per hour is 67.143 without the additional rate.
Now, let's look for the 1 1/5 of 470. 1 1/5 is equal to 1.2. So 470 x 1.2 = 564.
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3 years ago
Help me to solve it.​
Artemon [7]

Answer:

That is my answer to your question

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