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Leni [432]
3 years ago
9

Tyler has a coin collection. He keeps 12 of the coins in his box, which is 10% of the collection. How many total coins are in hi

s collection?
Mathematics
2 answers:
Blababa [14]3 years ago
6 0

Answer:

120

Step-by-step explanation:

10% = 12

50% = 60

100% = 120

soldier1979 [14.2K]3 years ago
4 0

Answer:

He has 120 coins.

Step-by-step explanation:

12/10 times by 10, so it's easier to look at.

120/100 that means that there is 120 coins.

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sammy [17]

Answer:

The average rate of change of the given function

A(x) =  1

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given function f(x) = x² - 2x -4

And given that x = a = -1 and  x=b = 4

The average rate of change of the given function

A(x) = \frac{f(b)-f(a)}{b-a}

<u><em>Step(ii):-</em></u>

f(x) = x² - 2x -4

f(-1) = (-1)² - 2(-1) -4 = 1+2-4 = -1

f(4) = 4² -2(4) -4 = 16 -12 = 4

The average rate of change of the given function

A(x) = \frac{f(b)-f(a)}{b-a}

A(x) = \frac{4-(-1)}{4-(-1)} = \frac{5}{5} = 1

<u><em>final answer:-</em></u>

The average rate of change of the given function

A(x) =  1

5 0
3 years ago
Read 2 more answers
Solve the expression x^2-100=0
enot [183]

Answer:

x = ± 10

Step-by-step explanation:

Given

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Step-by-step explanation:

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Step-by-step explanation:

Given:

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Give one solution to: 2x2 + 5x + 2
lapo4ka [179]

Answer:

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