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marshall27 [118]
3 years ago
15

Can someone help me with these questions ? 15-21 It’s due today and i really need help...

Mathematics
1 answer:
Darya [45]3 years ago
4 0

Answer:

15-21=(-6)

Step-by-step explanation:

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Please answer correctly !!!! Will mark brainliest !!!!!!!!!!
VashaNatasha [74]

Answer:

2x^2-x+3

Step-by-step explanation:

So just divide the areas by the length:

2x^2-x+3

And that is your width.

8 0
3 years ago
Read 2 more answers
For each expression below, select the letter that corresponds to the equivalent expression given above.
11111nata11111 [884]
Part 1)
(x²+15x+65)+(2x-5)*(3x+8)
(x²+15x+65)+(6x²+16x-15x-40)
(7x²+16x+25)

the answer Part 1) is the letter B
(7x²+16x+25)

Part 2)
(4x+1)*(3x-4)-(5x²-10x-12)
(4x+1)*(3x-4)-(5x²-10x-12)
(12x²-16x+3x-4)-(5x²-10x-12)
(7x²-3x+8)

the answer Part 2) is the letter D
(7x²-3x+8)

Part 3) 
(8x²+19x+4)+(3x+2)*(x-5)
(8x²+19x+4)+(3x²-15x+2x-10)
(11x²+6x-6)

the answer part 3) is the letter A
(11x²+6x-6)

Part 4) 
(6x+1)*(3x-7)-(7x²-34x-20)
(18x²-42x+3x-7)-(7x²-34x-20)
(11x²-5x+13)

the answer Part 4) is the letter C
(11x²-5x+13)

3 0
3 years ago
What's the answer to 10(z-9)=-40?
sladkih [1.3K]

Answer:

z =  5

Step-by-step explanation:

Please let me know if you want me to add an explanation :)

8 0
3 years ago
Read 2 more answers
John and 2 friends are going out for pizza for lunch. They split one pizza and 3 large drinks. Thepizza cost $12.00. They spend
tatiyna
It should cost $1.65 for each large drink.

You subtract $12 to $16.95 and that would give you 4.95 and divide it to the number of drinks they bought which is 3 and that would give you $1.65
3 0
3 years ago
a race car drivers time in seconds to complete 12 laps is plotted on a graph, what is the dependent variable?
Ipatiy [6.2K]
The time it took to complete 12 laps.
The independent, however, would be the car's speed or something like that.
6 0
3 years ago
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