2 years ago

Which choice describes a question that could be answered by moving the decimal point 2 places to the left?

Mathematics

1 answer:

insens350 [35]2 years ago

4 0

<span>B.
dividing 21.06 by 102
</span>

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2/3x+15=17 please and thank you

frozen [14]

Answer:

x=3

Step-by-step explanation:

2/3x+15=17

first subtract 15 from both sides

2/3x=2

multiply by 3 to eliminate the fraction

2x=6

divide by 3

x=3

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3 years ago

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An airplane flies 2520 miles in 4 hours 30 minutes what is its average speed in miles per hour?

KATRIN_1 [288]

Answer:

560miles/hr

Step-by-step explanation:

Check attachment

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3 years ago

write the slope intercept equation for the line that passes through (-8,11) and is perpendicular t 2x -7y=14

SIZIF [17.4K]

$General\ formula:\\y=ax+b\\\\2x-7y=14\\-7y=14-2x\\y=\frac{2}{7}x-2\\\\Line\ is\ perpendicular
 when\ a=-\frac{7}{2}\\y=-\frac{7}{2}x+b\\\\Passes\ through\ (-8,11):\\11=(-\frac{7}{2})*(-8)}+b\\11-28=b\\b=-17\\\\y=\frac{7}{2}-17$

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3 years ago

At the fabric store, Marisela spends $9.00

DENIUS [597]

Answer:

.50

Step-by-step explanation:

9 divided by 18 is .5p

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3 years ago

If 13 key chains cost $38.35, what is the cost of 20 key chains?

Sergio [31]

59 dollars is correct

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3 years ago

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