2 years ago

Which of the following expressions could be used to represent "the difference between -17 and -8"?

Mathematics

1 answer:

saw5 [17]2 years ago

4 0

-17-(-8)
Hope it helps

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There are 92 beds in a 40-room motel. Each rooms has 2 or 3 beds. How many rooms have 2 beds?

bonufazy [111]

$x-\ rooms\ with\ 2\ beds\\\\
y-\rooms\ with\ 3\ beds\\\\\\
x+y=40\ \ \ \ --->\ \ \ x=40-y\\
2x+3y=92\\\\
2(40-y)+3y=92\\\\
80-2y+3y=92\\\\
y+80=92\ \ \ | subtract\ 80\\\\
y=12\\\\x=40-12=28\\\\
28\ rooms\ has\ 2\ beds.$

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2 years ago

A grocer can buy strawberries for $1.38 per pound. write an equation relating c, the cost, and p, the pounds of strawberries.

slamgirl [31]

Answer:

1.38p=C

Step-by-step explanation:

each pound is $1.38 and pounds is p they have to equal to C, the total.

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2 years ago

(3x3 + 2x2 − 5x) − (8x3 − 2x2).

uranmaximum [27]

My answer -

-5x^3+4x^2-5x

P.S

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3 years ago

Read 2 more answers

What is the equation of the line that passes through the point (7,2) and has a slope of 1?

Tema [17]

Answer:

x-y=5

Step-by-step explanation:

If a line has a slope of 1, its function can be write as x-y=c

insert point (7,2),t then we can find out the constant c=5, so the equation of this line is x-y=5

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2 years ago

You begin a hike in Death Valley, California, an elevation of -86 meters meters. You hike to a point of elevation at 45 meters.

KIM [24]

-41 would be your answer

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2 years ago