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Olin [163]
3 years ago
8

Simplify by combining like terms: -4x - 2y - 7x - 8y

Mathematics
1 answer:
Sav [38]3 years ago
3 0

Step-by-step explanation:

Solving like terms

-4x - 7x - 2y -8y

-11x - 10y

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vaieri [72.5K]

Step-by-step explanation:

67yd² is the answer...........

6 0
3 years ago
Each unit on a coordinate plane represents one mile. One end of a road starts at (-12, -3). The road ends at (6, -3). How long i
kenny6666 [7]
The distance from x=-12 to x=6 on the horizontal line y=-3 is
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5 0
3 years ago
tom left at 1:00 p.m to walk to the pool . it took him 45 to walk there what time did get to the pool ?
lubasha [3.4K]

Answer: 1:45

Step-by-step explanation: If Tom left his house at 1:00 and it took him 45 minutes to get the pool, adding 45 minutes to 1:00 would make his arrival time 1:45. Therefore, he arrived at the pool club at 1:45. Have a great day!

8 0
3 years ago
Three perfect cube blocks of different volumes were stacked on top of each other. The top block was 64 cubic centimeters, the mi
lesya [120]
We know that 

[volume of a cube]=b³---------> b=∛Volume
b------> is the side length of a cube

The top block was 64 cm³------> b1=∛64-------> b1=4 cm
The middle block was 125 cm³------> b2=∛125------> b2=<span>5 cm
T</span>he biggest block was 729 cm³------> b3=√729------> b3=<span>9 cm

[</span><span>the stack of blocks tall]=b1+b2+b3-------> 4+5+9-----> 18 cm
</span><span>
the answer is
</span>the stack of blocks was 18 cm tall<span>


</span>
5 0
3 years ago
Find the sum and express it in simplest form.<br> (-2y3 + 2y2 - 9) + (-4y3 + 5y2 + 7)
stira [4]

Answer:

-6y^3+7y^2-2

Step-by-step explanation:

(-2y^3+2y^2-9)+(-4y^3+5y^2+7)

-2y^3-4y^3+2y^2+5y^2-9+7

-6y^3+7y^2-2

6 0
3 years ago
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