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baherus [9]
3 years ago
8

Jessie has some nickels, dimes, and quarters in her bank. The number of coins is 30. The expression 0.05n + 0.10d + 0.25q repres

ents the value of the coins, which is $3.45. Jessie has five more nickels than she does quarters. How many of each coin does Jessie have?
Mathematics
1 answer:
goldfiish [28.3K]3 years ago
8 0

Answer:

n = 12 nickels

d = 11 dimes

q = 7 quarters

Step-by-step explanation:

.05n + .1d + .25q = 3.45

n + d + q = 30

n = q + 5

n = 12

d = 11

q = 7

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2 years ago
A triangle has two side of length 3 and 7. The third side of this triangle must not be shorter than (blank) or longer than (blan
Marina86 [1]

Answer:

The sum of two side lengths of a triangle must be greater than the length of the third.

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However, it cannot be shorter than 4 units, as 3 + 4 = 7.

So your answer is: The third side of this triangle must not be shorter than 4 or longer than 10

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5 0
3 years ago
If a turtle can move 1/7 of a km every hour, then how many hours would it take for a turtle to go 5 km?
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5 0
3 years ago
F(x) = 3x^2-3x + 1<br> Find f (-2)
Oxana [17]

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19

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8 0
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