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2 years ago

Find the value of x.3x51Choose one answer.a. 17b. 34c. 51d. 102

Mathematics

2 answers:

lora16 [44]2 years ago

7 0

Divide the 3 by the answer and you get the answer. the answer is 17

love history [14]2 years ago

4 0

The answer is 102 the distance between the first triangle and the second is the same so you multiply 51 by 2 to get the answer of 102

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2 years ago

Read 2 more answers

After breaking your penny bank, you notice that you have $4.87 in quarters ($0.25), dimes ($0.10), nickels ($0.05), and pennies

ira [324]

Answer: Option 'c' is correct.

Step-by-step explanation:

Let the number of dimes be 'x'.

Let the number of nickels be ' $\dfrac{3}{2}x$ '.

Let the number of pennies be $\dfrac{3}{2}\times 2x=3x$

Let the number of quarters be '3x-34'.

As we know that

1 quarter = $0.25

1 dime = $0.10

1 nickel = $0.05

1 penny = $0.01

According to question, we get that

$0.10x+0.05\times \dfrac{3x}{2}+0.01\times 3x+0.25(3x-34)=4.87\\\\0.10x+0.075x+0.03x+0.75x-8.5=4.87\\\\\\0.955x=4.87+8.5\\\\0.955x=13.37\\\\x=\dfrac{13.37}{0.955}\\\\x=14$

So, the number of pennies is given by

$3x=3\times 14=42$

Hence, Option 'c' is correct.

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2 years ago

What is the solution to 10y=5x+10

mixas84 [53]

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2 years ago