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WITCHER [35]
3 years ago
7

in a coin jar, there are 45 nickles. the number of pennies and nickles together equal the number of dimes. there are 2 quarters

for every 3 nickles and 2 dimes for every quarter. how many are there of each type of coin?​
Mathematics
1 answer:
fredd [130]3 years ago
3 0

Answer:

45 nickels

30 quarters

60 dimes

15 pennies

Step-by-step explanation:

Quarters:

45÷3=15

15×2=30

Dimes:

30×2=60

Pennies:

60-45=15

HOPE THIS HELPS!!!!!:)

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qwelly [4]

Answer:

the value of -2n+4 is -6 so it is correct, 14 is indeed greater than -6

Step-by-step explanation:

you multiply -2 by -5 which is equal to -10 then you add more which is equal to -6

5 0
3 years ago
Help me with this please and thank you
Semenov [28]
1. A= a²
2. Find the square root of the area to find the length of its side length.
3. √81= 9
√89= 9.43
4. For the first square, the side length is a rational number because 9 is a whole number. For the second square, the side length is irrational because the decimals do not repeat themselves.
3 0
3 years ago
Read 2 more answers
Help please quickly.
Viefleur [7K]

Answer:

3.5

Step-by-step explanation:

Look at the .5's closely if you take the 2.5 measurement info and then there is a little bit left that may be another .5 measurement.

6 0
2 years ago
If it takes 90 minutes to wait in line to purchase 12 eggs, how many eggs could you purchase if you waited 120 minutes?
AlekseyPX

Answer:

16 eggs

Step-by-step explanation:

we know that

it takes 90 minutes to wait in line to purchase 12 eggs

so

using proportion

Find out how many eggs could you purchase if you waited 120 minutes

\frac{90\ min}{12\ eggs}=\frac{120\ min}{x\ eggs}\\\\x=12(120)/90\\\\x= 16\ eggs

8 0
4 years ago
154= -4(8 + 6x) + 24x
icang [17]
154=-32-24x+24
154+32-24=-24x
162=-24x
162/-24=-24x/-24
X=-6.75
7 0
3 years ago
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