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german
3 years ago
8

are there earned $136 in three weeks. He goes back to school and one week needs at least $189 to buy new coat. How much more mon

ey does he need?
Mathematics
1 answer:
const2013 [10]3 years ago
5 0
He needs exactly $53
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Peggy had three times as many quarters as nickels. She had $1.60 in all. How many nickels and how many quarters did she have?. .
Andru [333]

Let

n-------> the number of nickels

q------> the number of quarters

we know that

1\ quarter=\$0.25\\1\ nickel=\$0.05

so

0.05n+0.25q=1.60 ----> equation A

q=3n ----> equation B

substitute equation B in equation A

0.05n+0.25[3n]=1.60

0.05n+0.75n=1.60

0.80n=1.60

n=2

Find the value of q

q=3*2=6

therefore

<u>The answer part a) is</u>

the number of nickels are  2  and the number of quarters are 6

<u>the answer Part b) is</u>

The expressions that represents the number of quarters is

q=3n


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3 years ago
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ILL GIVE BRAINLIEST! FIND THE MEASURE OF B AND SHOW YOUR WORK. If you dont show the equation you used to get your answer then i
lutik1710 [3]

Answer:

23 and 131

Step-by-step explanation:

For the first one. Since a whole entire angle thingie is 360, subtract 243 and 94 from 360. Answer is 23 :)

For the second one. This is a supplementary angle. 180- 49 is 131. Your done!

7 0
3 years ago
What would be the volume of a tree that has a radius of 2 feet and a length of 14 feet?
Blababa [14]

Answer:

C) 175.84 cubic feet

Step-by-step explanation:

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I plugged in the numbers and solved

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2 years ago
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Mrs Gutierrez ordered 1 cheese pizza, 1 pepperoni pizza, and 1 sausage pizza. Each pizza is cut into 12 pieces. The students are
OleMash [197]

Answer:

1 whole or 12/12

Step-by-step explanation:

so you go and subtract and you ad what each one equals

                                       10-12=2

                                         9-12=3

                                         3-12=9

                                      ---------------

                                      =  1 whole OR 12/12

7 0
3 years ago
A,b,c or d? Please help
lisabon 2012 [21]
C
Mathy49 See you later lol deleted my old one cuz it's in spanish
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3 years ago
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