3 years ago

If 44% of a number is 120, find 11% of that number.

Mathematics

1 answer:

erma4kov [3.2K]3 years ago

5 0

Answer:

29.92 should be the answer

Step-by-step explanation:

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A movies rental company deducts $7 from Serena’s account every month for a year. After 1 year , how much do movie rental fees ch

oksano4ka [1.4K]

Answer:

She's been charged 84 dollars

Step-by-step explanation:

Let's call each month m

if every month it deducts 7 dollars, then to find how much has been charged after a year, we do

-7 * 12 = -84

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3 years ago

An incoming airplane is x miles due north from the control tower at an airport. A second incoming airplane is y miles due east o

MAVERICK [17]

Answer:

B. Square root

Step-by-step explanation:

using distance formula:

x = √z^2 - y^2

y = √z^2 - x^2

=> z = √x^2 + y^2

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3 years ago

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2 years ago

Please answer this correctly I have to finish the sums today as soon as possible

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Answer:

All of them

Step-by-step explanation:

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3 years ago

Write the equation of a line that is perpendicular to the given line and that passes through the given point.

poizon [28]

Answer: y=-3x+29

Step-by-step explanation:

First put in y-intercept form to find the slope

$4x-12y=2\\-12y=-4x+2\\y=\frac{1}{3} x-\frac{1}{6}$

Slope of the 1st equation is 1/3- the slope of the line perpendicular is the opposite reciprocal, so in the case it is -3

Use the point and the new slope to write the new equation in point slope format

$y-y_{1} =m(x-x_{1} )\\y-(-1)=-3(x-10)\\y+1=-3x+30\\y=-3x+29$

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3 years ago