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maxonik [38]
3 years ago
5

I have to find the amount of nickels and dimes that there is in a dollar and sixty-five cents and it's just mind-boggling and I

can't afford to get it wrong because it's for my midterm
Mathematics
1 answer:
denpristay [2]3 years ago
7 0

Answer:

16 dimes and 1 nickel

23 nickel and 1 dime

These are just two you have so many options, just mess with it

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Find the sum of the geometric series.
sveticcg [70]

Answer:

40/3  option B

Step-by-step explanation:

20-10+5-5/2+ ...

We need to find the sum of infinite geometric series

S_n = \frac{a}{1-r}

a is the first term (20)

r is the common ratio

To find common ratio we divide second term by first term

r=\frac{-10}{20} = -\frac{1}{2}

now we plug in the values

S_n = \frac{20}{1-(-\frac{1}{2}}

S_n = \frac{20}{1+\frac{1}{2}}

S_n = \frac{20}{\frac{3}{2}}

S_n = 20 * \frac{2}{3}

sum = 40/3

7 0
4 years ago
One-fourth of the girls and one-eighth of the boys in a class retake their school pictures. The photographer retakes pictures fo
algol13
16 * 4 + 7 * 8
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120


Answer: 120 students
3 0
4 years ago
Explain how a formula can help you solve problems
Gwar [14]
A formula is a way of an expression in order to make solving a question easier than ever.



*that's what I think . ...*
4 0
4 years ago
What is the graph y equals x known as in the family of absolute value function
Virty [35]

Answer:

V- Graph

Step-by-step explanation:

5 0
3 years ago
There are 3 baseball to every 5 tennis balls. How many baseballs will there need to be if there are a total of 80 tennis and bas
ser-zykov [4K]

Answer:

30 tennis balls

Step-by-step explanation:

30 to 50 is equal to 3 to 5. And if there are 30 baseballs for every 50 tennis balls, and there are 80 balls in total, well...

30+50=80

So there are 30 tennis balls

4 0
3 years ago
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