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3 years ago

8

There are a total of coins when dimes and nickels are combined. The total amount is 80 cents. How many dimes and nickels are the

re, respectively?

1 answer:

denpristay [2]3 years ago

6 0

Can you give me more details so I can help please

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What is the area of a rectangle with a length of (x - 5) and width of (x + 8)?

dlinn [17]

Answer:

a = x² + 3x - 40

Step-by-step explanation:

a = l * w

a = (x - 5)(x + 8)

a = x(x + 8) - 5(x + 8)

a = (x² + 8x) + (- 5x - 40)

a = x² + 3x - 40

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3 years ago

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Suppose two different states each pick a two-digit lottery number between 00 and 99 (for a 100 possible numbers).

Neporo4naja [7]

A. 1/10000 because it is a 1/100 chance for each.
b. 1/100 because there are 10,000 options and 100 of them are the same options. Simplify for the answer.

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3 years ago

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Andrei [34K]

Answer:

5×3+5×w

Step-by-step explanation:

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3 years ago

Which choices are equivalent to the exponential expression below? Check all that apply. (4/5)^3

VladimirAG [237]

Answer:

A, C, D

Step-by-step explanation:

Remember: Exponents are simply repeated multiplication.

The exponent determines how many times to multiply the base number by itself.

$(\frac{4}{5} )^3=\frac{4}{5} *\frac{4}{5} *\frac{4}{5} =\frac{64}{25}$

Option 'A' and 'C' apply.

Option D applies because:

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3 years ago

Work out and simplify where possible<br><br>7/15+2/15

alisha [4.7K]

Answer:

3/5

Step-by-step explanation:

7/15 + 2/15 = 9/15

both 9 nad 15 are divisible by 3

9/15 = 3/5

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