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3 years ago

When at the third floor, how far is the base of the ladder from the base of building

Mathematics

1 answer:

Tamiku [17]3 years ago

7 0

16 m use the therom!!!

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Write a system of equations and solve

Semenov [28]

$c+b=7$
$5c+45b=195$

$c+b=7$ --> $c=7-b$
$5c+45b=195$

$5(7-b)+45b=195$
$35-5b+45b=195$
$35+40b=195$
$40b=160$
$b=4$

$c+(4)=7$
$c=3$

$cars:3 \\ 
buses:4$

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3 years ago

You want to have your carpet cleaned in your living room which measures 12’ by 14’. Company A charges $2.75 per square foot and

Sonja [21]

Answer: Company B

Step-by-step explanation:

First we must calculate the area of the carpet. Variable A represents area.

$14*12=A$

$A=168$

So the area of the carpet is 168 square feet.

To find what company A will charge we will multiply the 168 by 2.75 they charge per square foot.

$168*2.75= Company A\\$

Company A charges, $462, while Company B will charge $450 for the one room.

This means Company B has the better price.

3 0

3 years ago

Please help me it's urgent!

Crank

Answer:

y = 2x-5

y=-x+4

Step-by-step explanation:

Just need to solve the:

x+y=4

y-2x=-5

And we have:

x=3

y=1

Then replace x and y into the answer to find the correct one

7 0

3 years ago

4+(−1 2/3) i don't get how to this cuz there aren't two fractions, just one.

kenny6666 [7]

Answer:

2 1/3

Step-by-step explanation:

4 + ( -1 2/3)

= 4 - 1 2/3

= 4 - 5/3

= 12/2 - 5/3

= 7/3

= 2 1/3

5 0

3 years ago

Please help find x!!

VMariaS [17]

Answer:

X= 360- (180+35)

X= 145

Step-by-step explanation:

since angle at a point is same as angle in a circle =360°

And we've being given two values out of three that makes up the point. so we subtract the sum of the two values from the size of angle at a point

4 0

3 years ago