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Flura [38]
2 years ago
8

X squared +x (×-5)-×+7

Mathematics
2 answers:
timama [110]2 years ago
8 0
x^{2} +x(x-5)-x+7 \\ = x^{2} + x^{2} -5x-x+7 \\ =2 x^{2} -6x+7
FromTheMoon [43]2 years ago
7 0
X^2 + x2 - 5x - x +7 = 2x^2 - 6x +7
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A rectangular swimming pool has a length of 50 m, a width of 25 m, and a depth of 1.75 meters. What is the volume of water neede
Ahat [919]

Answer:

2187.5 cubic meters of water

Step-by-step explanation:

Volume of rectangle = L * W * D

V = 50 * 25 * 1.75

V = 2187.5

5 0
2 years ago
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Combine like terms.<br> 2y2 – 5+1 + 2y2 – 6y2 – 3 – 4y<br> ASAP<br> someone help please
AnnZ [28]

Answer:

-2y2 - 4y - 7

Step-by-step explanation:

2y2 + 2y2 - 6y2 - 4y - 5 - 3 + 1

4y2 - 6y2 - 4y - 8 + 1

-2y2 - 4y - 7

3 0
3 years ago
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Quincy says that 3 is a good estimate for 3.4 X 0.09, is he correct? Why?
lord [1]
<span>Quincy says that 3 is a good estimate for 3.4 X 0.09, is she correct? Why?
When we say estimates meaning it is not the exact answer but close to what is the exact.
Now, if Quincy estimated 3 as the product of 3.4 * .09, then let’s check if she has the correct estimates.
=> 3.4 estimates is 3
=> 0.09 estimates is 0.1
Now the answer is 0.3 and not 3.
Thus, Quincy’s estimate is wrong.</span>



4 0
3 years ago
A train accelerates at an average rate of 0.33 meter per second squared, and the
ANTONII [103]

Answer:

I don't know

Step-by-step explanation:

please mark me as the brainlist

3 0
2 years ago
If f(x) = x 2 + 1 and g(x) = 3x + 1, find [f(2)-g(1)] 2. 1 2 9
arsen [322]
Put the argument value where the variable is, then evaluate.
For f(x), you want f(2).
  f(2) = 2² + 1 = 4+1 = 5

For g(x), you want g(1).
  g(1) = 3·1 +1 = 4

For [f(2) - g(1)] you want the difference of the above values.
  [f(2) - g(1)] = [5 - 4] = 1
8 0
3 years ago
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