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3 years ago

13

Susie has $2 in coins in her purse. She has 3 times as many quarters as nickels. She has twice as many dimes as nickels. How man

y of each coin does she have?

1 answer:

zysi [14]3 years ago

8 0

Answer:

120 coins our in her purse if the 2 dollar factor is made up of nickels

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Tammy scored 88, 72, 44 points on her first three test. What must she score in her last test to get at least an average of 70?

lara [203]

Answer:

76

Step-by-step explanation:

(88+72+44+x)/4=70

88+72+44+x=280

204+x=280

x=76

Therefore, Tammy needs to score a 76 on her last test to get at least an average of 70.

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3 years ago

konstantin123 [22]

Answer:

The value of x = 9

Step-by-step explanation:

Angle Bisector Theorem

An angle bisector of a triangle would cut the opposite side into two segments that are proportional to the other two sides of the triangle.

Thus,

$\frac{x}{15}=\:\frac{12}{20}$

Cross Multiply the expression

$\:20\times x=12\times 15$

Divide both sides by 20

$\frac{20x }{20}=\frac{180}{20}$

$x=9$

Therefore, the value of x = 9

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A company is expanding its building area from 17000 square feet to 24480 square feet. What is the percentage increase of the are

Ulleksa [173]

I would say A because 1700-24480 is -74.8%

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Jamal uses the steps below to solve the equation 6x – 4 = 8.

LenaWriter [7]

B.) because according to the identity property of addition, any number added to zero will remain the same.

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2x−y=5 If x=4, then y=

jeka94

Answer:

Y = 3

Step-by-step explanation:

2(4) = 8

Subtract 8 on both sides

-y = -3

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