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Y_Kistochka [10]
3 years ago
9

If the total value of the coins is 56¢, what are the missing coins?

Mathematics
1 answer:
IrinaK [193]3 years ago
4 0

Answer:

Nickle and quarter.

Step-by-step explanation:

Because a quarter and penny add up to 26

56-26 = 30

a quarter and a nickle add up to 30:

25 +5 = 30

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How should the decimal point in 34.05 be moved to determine the product 34.05×106 ?
r-ruslan [8.4K]

Answer: Six places to the right

Step-by-step explanation:

For this exercise it is important to remember that. by definition, the exponent of a number indicates the number of times you must use the same factor to multiply.

Given:

b^n

"b" is the base and "n" is the exponent.

In this case, you have the following multiplication provided in the exercise:

34.05*10^6

Notice that the base 10 has an exponent 6. This indicates the following:

10^6=10*10*10*10*10*10=1,000,000

By definition, moving the decimal point 6 places to the right (because there are six zeros), is the same as multiplying the decimal number 34.05 by 1,000,000.

  Therefore, based on the explained, when you move the decimal point six places to the right, you get the following product.

34.05*10^6=34,050,000

3 0
3 years ago
Solve for the variable: -15r – 8 = 37 <br> A. -5<br> B. -3<br> C. -2<br> D. 3
aksik [14]
Hello!  I would be happy to help you with your math problem.  For this problem, we plug in the values until we find what fits.  In this case, we have to find what is true, or, in other words, equals 37.

The answer to your question would be B -- -3.  Here is why.

-15*-3-8=37.

Hope this helps!
8 0
3 years ago
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Erica babysits for 4 hours and is paid $33
Aleksandr-060686 [28]

Answer:  a: 8.25  b: 49.5

Step-by-step explanation:

7 0
3 years ago
The Amazon rainforest is gradually being destroyed by pollution and agricultural and industrial development. For simplicity, sup
KATRIN_1 [288]
The Amazon rainforest is gradually being destroyed by pollution and agricultural and industrial development. For simplicity, suppose that each year, 10% of the remaining forest is destroyed. Assume, also for simplicity, that the present area of the Amazon rainforest is 1,200,000 square miles.
1.a) What will the area of the forest be after 1 year of this destruction process?
1.b) What will the area of the forest be after 2 years of this destruction process?
2) Make a graph showing your results from Question 1 and continuing through 5 years of the destruction process. Include the present situation as a point on your graph.
3) Find a rule for how much rain forest will remain after X years. That is, express the area of the rain forest as a function of X.
7 0
3 years ago
A carpenter has two lengths of wood; one is 108cm long and the other is 72cm long. He wants to cut them up to produce smaller pi
Y_Kistochka [10]

Answer:

36 centimeters.

Step-by-step explanation:

1. To solve this problem you must find the Greatest common factor.

2. List the prime factor of 108 and 72:

108:(2)(2)(3)(3)(3)=(2^{2})(3^{3})\\ 72:(2)(2)(2)(3)(3)=(2^{3})(3^{2})

3. Now, you must choose the common prime numbers with the lowest exponents and multiply them:

(2^{2})(3^{2})=(4)(9)=36


4 0
3 years ago
Read 2 more answers
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