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3 years ago

9

3 years ago you had $120 in the bank you have now $192 of the amount of money at the end of each year increase exponentially the

n how much will you have in the bank after another 7 years

1 answer:

Colt1911 [192]3 years ago

5 0

Answer:

you will have $360

Step-by-step explanation:

192-120=72 72÷3=23 you get $23 each year so 23×7=168

168+192=$360

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A change purse contains an equal number of pennies, nickels, and dimes. the total value of the coins is 512 cents. how many coin

sammy [17]

Let

x---------> the total number of coins

we know that

512 cents-------> is equal to $5.12

1 penny is equal to $0.01

1 nickel is equal to 5 penny--------> $0.05

1 dime is equal to 2 nickel--------> $0.10

$\frac{x}{3}*0.01+ \frac{x}{3}*0.05+\frac{x}{3}*0.10=5.12$

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the total number of coins are 96

Divide 96 by 3 to obtain the number of coins of each type

therefore

<u>the answer is</u>

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the number of nickel coins are $32$

the number of dimes coins are $32$

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3 years ago

PLEASE HELP THIS IS DUE TODAY

Natasha_Volkova [10]

Answer= 12. hope this helped. almost 100% sure this is right.

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The length of a rectangle is 2 centimeters less than three times its width. Its area is 21 square centimeters. Find the dimensio

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Area = length x width

Area = 21 square cm

Width = x

Length = 3x + 2

21 = 3x+ 2 * x

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Use the quadratic formula to solve for x:

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A dimension can’t be a negative value so x needs to be 7/3

Width = x = 7/3 = 2 1/3 cm

Length = 3(7/3) + 2 = 9 cm

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Dimensions: width 2 1/3 cm length 9 cm

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3 years ago

Read 2 more answers