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3 years ago

(83.9x10^12)(2.87x10^-3)/ 3.76x10^2

1 answer:

8 0

(83.9 × 10^12)(2.87 × 10^-³)
 3.76 × 10²
(83,900,000,000,000)(0.00287)
 376
240,793,000,000
 376
640,406,914.9

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The equations below represent the total amount charged, y, by two different plumbers as a function of the number of hours worked

miss Akunina [59]

Answer:

both plumbers charge $120 for 3 hours of work

Step-by-step explanation:

1) x=3 and x stands for hours.

2) 120=y and y stands for money charged

so the points (3, 120) show that the plumbers both charge 120 for 3 hrs.

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2 years ago

If a=8 and b=3, evaluate the following expression:2a+3b

hjlf

Answer:

Step-by-step explanation:

okay, so we plug our numbers into the equation:

2a+3b = 2x8+3x3

2x8 = 16

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3 years ago

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Divide 48 in the ratio 7:5

kogti [31]

$7+5=12\\\\48:12=4\\\\7\cdot4=28\ \ \ \ and\ \ \ \ 5\cdot4=20\\\\ \frac{\big{28}}{\big{20}} =\frac{\big{7}}{\big{5}}$

6 0

3 years ago

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What is 20/16=d/12? what equals d?

ozzi

Answer:

d = 15

Step-by-step explanation:

Divide the numbers

$\frac{20}{16} =\frac{d}{12}$

$\frac{5}{4} =\frac{d}{12}$

Multiply all terms by the same value to eliminate fraction denominators

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Cancel multiplied terms that are in the denominator

$12*\frac{5}{4} =d$

Multiply the numbers

$15=d$

Move the variable to the left

$d=15$

Hence, d= 15.

[RevyBreeze]

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2 years ago

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I am confused with big numbers with add

mixas84 [53]

The answer to all those numbers is 1329.95 with all those parts? do u want b and c answered too

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