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3 years ago

Find the value of -25 = 1/5h + 5

Mathematics

2 answers:

worty [1.4K]3 years ago

6 0

Answer:

h=-150

Step-by-step explanation:

subtract both sides by 5

h1/5 + 5 - 5 =-25 - 5

h1/5=-30

Then multiply both sides by 5 to find what h equals:

h=-150

True [87]3 years ago

3 0

First, subtract both sides by 5:

-25 - 5 = h/5 + 5 - 5

-30 = h/5

Then we multiply both sides by 5 to completely isolate h:

-150 = h

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Zack wants a new skateboard that costs $98. He has a coupon for 20% off the original price. The sales tax is 6%, what is the fin

svet-max [94.6K]

The final cost of skateboard will be $83.10

Step-by-step explanation:

Given,

Cost of skateboard = $98

Coupon = 20% off

Amount of discount = 20% of cost of skateboard

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Keywords: sales tax, addition

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Ron wants to buy a video game with a selling price of $48. It is on sale for 50% off. The sales tax in his state is 4.5%.

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Step-by-step explanation:

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Answer:

$\sf 500,000,000,000=5 \times 10^{11}$

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Step-by-step explanation:

Scientific notation

$\large\boxed{a \times 10^n}$

where:

$1\leq a < 10$

$n$ is any positive or negative whole number.

To convert a number into scientific notation, move the decimal point to the left or right until there is one digit to the left of the decimal point.

The number of times you have moved the decimal point is $n$ .

If the decimal point has moved to the left, $n$ is positive.
If the decimal point has moved to the right, $n$ is negative.

To convert 500,000,000,000 into scientific notation, move the decimal point 11 places to left, so a = 5. As we have moved the decimal point 11 places to the left, the exponent "n" is 11 and is positive.

$\implies \sf 500,000,000,000=5 \times 10^{11}$

To convert 0.00000000005 into scientific notation, move the decimal point 11 places to the right, so a = 5. As we have moved the decimal point 11 places to the right , the exponent "n" is 11 and is negative.

$\implies \sf 0.00000000005=5 \times 10^{-11}$

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