3 years ago

7.

Mathematics

1 answer:

Amanda [17]3 years ago

8 0

Answer:

Step-by-step explanation:

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How to multiple decimals by decimals.

puteri [66]

Answer:

To multiply decimals, first multiply as if there is no decimal. Next, count the number of digits after the decimal in each factor. Finally, put the same number of digits behind the decimal in the product.

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You saved $140 on your new laptop because you bought it online. If this was a 20% savings from the original price, Find the orig

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Let the original cost of laptop=x
Savings=20% = 20/100
Saved amount = $140
Original cost = saved amount * 1/savings
x = 140* 100/20
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This should be right! $5,000 + $1,000x

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Translate "Three is less than thirty-seven into a mathematical expression

uysha [10]

3 < 37
I hope this helps you!

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3 years ago

A model rocket was built using a scale factor of 1:15 if the height of the actual rocket is 9.9m, what is the height of the mill

beks73 [17]

Answer:

660 mm

Step-by-step explanation:

we know that

The scale factor is $\frac{1}{15}$

That means

1 unit in the model represent 15 units in the actual

1 m in the model represent 15 m in the actual

To find out the height of the model rocket, divide the height of the actual rocket by 15

$9.9\ m=\frac{9.9}{15}= 0.66\ m$

Convert m to mm

Remember that

$1\ m=1,000\ mm$

To convert meters to millimeters, multiply by 1,000

$0.66\ m=0.66(1,000)=660\ mm$

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2 years ago