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irakobra [83]
2 years ago
9

Please help! 15 Points.

Mathematics
2 answers:
Vlad1618 [11]2 years ago
7 0

Answer:

The answer is A

Step-by-step explanation:

Just multiply the whole number 3*3 and add the exponents 3+4

Hope this helps

julia-pushkina [17]2 years ago
4 0

Answer: Your answer would be A


Step-by-step explanation:


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Lorena is driving a truck that is painting the lines on a new road. The lines she paints are 0.152 meters wide, and she will pai
Alina [70]

Answer:

  8.284 × 10^4 m^2

Step-by-step explanation:

The area is the product of length and width:

  (5.45·10^5 m)·(0.152 m) = 0.8284·10^5 m^2 = 8.284·10^4 m^2

5 0
3 years ago
A newspaper carrier has $5.40 in change. He has six more quarters than dimes but five times as many nickles as quarters. How man
BigorU [14]
X= number of dimes
x+6= number of quarters
5(x+6)= number of nickels
$5.40= 540 cents

Add the number of each coin and set it equal to the total in cents.


x + (x + 6) + 5(x + 6)= $5.40
multiply 5 by parentheses; change dollar total to cents

x + (x + 6) + (5 * x) + (5 * 6)= 540

x + (x + 6) + 5x + 30= 540
combine like terms

7x + 36= 540
subtract 36 from both sides

7x= 504
divide both sides by 7

x= 72 dimes

x + 6= 78 quarters

5(x + 6)= 390 nickels


CHECK
72 + 78 + 390= 540
540= 540


ANSWER: There are 72 dimes, 78 quarters and 390 nickels.

Hope this helps! :)
5 0
3 years ago
Will enyone help me answer this question please
SSSSS [86.1K]
You could use 4(division) sign 25 + 3 (division sign) 15 * 10, ok?
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