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Aleksandr [31]
3 years ago
6

What is the domain of 

Mathematics
1 answer:
ki77a [65]3 years ago
7 0
No exponent can make the base number negative, so the domain is x  > 0
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What is the equation of a line that is perpendicular to -1 +3y=9 and passes through the point (-3, 2)?​
kati45 [8]

Answer:

y-2 = 3/10(x+3)

Step-by-step explanation:

3y = 10

y = 10/3

looking for perpendicular so slope = 3/10

using the given point

y-2 = 3/10(x+3)

6 0
3 years ago
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Quality control is an important issue at ACME Company which manufacturers light bulbs. In order to conduct testing of the life h
mrs_skeptik [129]

Answer: 3424.28

Step-by-step explanation:

Given data : 378, 361, 350, 375, 200, 391, 375, 368,  321

Number of data values = 9

Mean :\overline{x}=\dfrac{\sum^n_{i=1} x_i}{n}

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Variance = \dfrac{\sum^n_{i=1} (x_i-\overline{x})^2}{n-1}

\sum^n_{i=1} (x_i-\overline{x})^2 = (31.44)^2+(14.44)^2+(3.44)^2+(28.44)^2+(-146.56)^2+(44.44)^2+(28.44)^2+(21.44)^2+(-25.56)^2\\\\=27394.2224

Variance = \dfrac{27394.2224}{8}=3424.2775\approx3424.28

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3 years ago
Please help me
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Answer:1.00

Step-by-step explanation:I misses u

8 0
3 years ago
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If 3 is subtracted from twice a number, the result is 8 less than the number. Write an equation to solve this problem.
lakkis [162]
3 subtracted from twice a number=2x-3
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x=-5
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3 years ago
How do I solve 6x—20=
REY [17]

Answer:

Can not be determined

Step-by-step explanation:

regularly, you would +20 to both sides, but without a full =, you cant solve. If the equation is 6x-20=0, x would equal 3 2/6.

Hope this helps!

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3 years ago
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