2 years ago

5. Which expression is a factor of x2 -5x - 6? A B x - 6 x-2 c x-3 1

Mathematics

1 answer:

noname [10]2 years ago

6 0

Answer:

The answer is B

Step-by-step explanation:

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'-(x^2/2)-x-(5/2)' simplify

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Answer:

-1 by x^2/2

Step-by-step explanation:

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3 years ago

What is the lateral surface area on a square pyramid with base edges of 10 and the height of 12

8_murik_8 [283]

Answer:

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Step-by-step explanation:

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2 years ago

A carpenter has a rectangular wooden board. The diagonal of the board is 18 inches long and one side of the board is 12 inches l

BaLLatris [955]

In this question, it is given that the diagonal of the board is 18 inches long and one side of the board is 12 inches long.

Let the other side is of length b inches .

Now we use pythagorean identity, which is

$a^2 + b ^2 = c^2$

Here, a = 12 and c=18

Substituting these values, we will get

$12^2 + b^2 = 18^2 \\ 144 + b ^2 = 324 \\ b^2 = 324-144 \\ b^2 = 180 \\ b= \sqrt{180} \\ b = 13.4164 inches$

And the formula of perimeter is

$Perimeter = 2(Sum\ of \ legs)$

Substituting the values of the two legs, we will get

$Perimeter = 2(12+13.4164) = 50.83 inches$

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2 years ago

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X^2-7x-34=10<br><br> Please help me answer this question thank you

elena-s [515]

Answer: x = 4,11

Step-by-step explanation:

x^2 - 7x - 34 - 10 = 0

x^2 - 7x - 44 = 0

Factorise it

x^2 - 11x - 4x - 44 = 0

x ( x - 11 ) - 4 ( x - 11 ) = 0

(x-4)(x-11) = 0

x = 4,11

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1 year ago

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In the data set below, what is the mean absolute deviation?4461526If the answer is a decimal, round it to the nearest tenth.mean

bixtya [17]

I assume that the numbers are: 4,4,6,1,5,2,6
If so, then the MAD is 1.43

To find the MAD, you first find the mean of the list. It is 4.
Then find the absolute difference of each number from the mean.

Those values are: 0,0,2,3,1,2,2
Now find the mean of those numbers and you have about: 1.43

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3 years ago