2 years ago

What does x = and round to the nearest tenth

Mathematics

1 answer:

larisa [96]2 years ago

4 0

Answer:

X=8.6

Step-by-step explanation:

;)

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vivado [14]

Answer:

12. Triangle; heptagon

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2 years ago

If a = 4 and b = 5, what is the value of the following expression? 6a + 3b - 8

castortr0y [4]

Simple...

you have: 6a+3b-8

a=4 and b=5

Plug in what you know-->>

6(4)+3(5)-8

24+15-8

39-8

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Thus, your answer.

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2 years ago

Trey has money saved for a school trip. He earns an additional $40 moving lawns to add to his savings. Trey's parents give him e

Alenkasestr [34]

Answer:

X= 232÷ 2-40

Step-by-step explanation:

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6 0

2 years ago

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.

3 0

2 years ago