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umka2103 [35]
3 years ago
5

Timed UNIT Test. pls help​

Mathematics
2 answers:
Anuta_ua [19.1K]3 years ago
7 0
The answer is x=4 and x=-10
Gennadij [26K]3 years ago
3 0

Answer:

x=4 and x=10

Step-by-step explanation:

Taking both sign separately, we have, and Simplify , we get, and We get, and Thus, The solutions of the quadratic equation   x = 4 and x = –10

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Determine -f(a) for f(x) = 2x, and simplify.<br> X-<br> 1
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-2 divided by x (fraction form)
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Which number completes the Pythagorean Triple of 9, 12, x?
Pavlova-9 [17]
The Pythagorean theorem is A^2 + B^2 = C^2. So you will do 9^2 + 12^2 = 225. The square root of 225 is 15, and so is the answer d. hope this helps

3 0
3 years ago
Let f(x)=(x^2)(e^5x)<br><br> find the derivative f'(x) and the second derivative, f"(x)
Wittaler [7]
F ` ( x ) = ( x² )` · e^(5x) + x² · ( e^(5x) )` =
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f `` ( x ) = ( 2 x e^(5x) + 5 x² e^(5x) ) ` =
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7 0
3 years ago
Read 2 more answers
Sum to n terms series 2.3+3.4+4.5+…<br>​
mart [117]

Answer:

5.6

Step-by-step explanation:

3.4-2.3=1.1

2.3+1.1=3.4

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3 0
3 years ago
The expression below is a factorization of what trimonial (5x+6)(3x-2)
STatiana [176]

Answer:

15x^2 + 8x -12

Step-by-step explanation:

(5x+6)(3x-2)

"foil" it out

F: 5x * 3x  = 15x^2

O: 5x * -2  = -10x

I: 6*3x = 18x

L: 6 * -2 = -12

3 0
3 years ago
Read 2 more answers
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