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Zepler [3.9K]
2 years ago
14

Please help me, i’m stuck and confusedd..

Mathematics
1 answer:
creativ13 [48]2 years ago
8 0
The answer is D

4 x 6 = 24
when multiplying numbers with exponents add the exponents so, 4^3 x 6^3 = 24^6
Multiply the exponents 6 and 7 because of the parenthesis so the answer is
24^42

Hope this helps :)
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Just subtitute 5 as x in the equation given for f.
2(5)+8=18.
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3 years ago
3x^2+kx=-3 What is the value of K will result in exactly one solution to the equation?
Scorpion4ik [409]

Answer:

For k = 6 or k = -6, the equation will have exactly one solution.

Step-by-step explanation:

Given a second order polynomial expressed by the following equation:

ax^{2} + bx + c, a\neq0.

This polynomial has roots x_{1}, x_{2} such that ax^{2} + bx + c = (x - x_{1})*(x - x_{2}), given by the following formulas:

x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}

x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}

\bigtriangleup = b^{2} - 4ac

If \bigtriangleup = 0, the equation has only one solution.

In this problem, we have that:

3x^{2} + kx + 3 = 0

So

a = 3, b = k, c = 3

\bigtriangleup = b^{2} - 4ac

\bigtriangleup = k^{2} - 4*3*3

\bigtriangleup = k^{2} - 36

We will only have one solution if \bigtriangleup = 0. So

\bigtriangleup = 0

k^{2} - 36 = 0

k^{2} = 36

k = \pm \sqrt{36}

k = \pm 6

For k = 6 or k = -6, the equation will have exactly one solution.

3 0
2 years ago
Question 3 of 5
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Answer: 8

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226.19=π9h

226.19=28.27h

226.19/28.27=h

8=h

I hope this is good enough:

6 0
3 years ago
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pogonyaev

Answer:

C.

Step-by-step explanation:

So how I would estimate is by see that each piece is going to be 1 and 1/6 but you have 6 and 7/8 feet of plywood so 1 can go into 6 six times but since you got that 1/6 for each piece is lower it down do about 4, so he can make about four. lol

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