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2 years ago

Can anyone answer -6x-6(x+3)+10 and show the work please.

Mathematics

1 answer:

Archy [21]2 years ago

6 0

The answer is -12x-8

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2 years ago

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The average score of all pro golfers for a particular course has a mean of 70 and a standard deviation of 3.0 (Think of these as

bija089 [108]

Answer:

0.477 is the probability that the average score of the 36 golfers was between 70 and 71.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 70

Standard Deviation, σ = 3

Sample size, n = 36

Let the average score of all pro golfers follow a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

P(score of the 36 golfers was between 70 and 71)

$\text{Standard error of sampling} = \displaystyle\frac{\sigma}{\sqrt{n}} = \frac{3}{\sqrt{36}} = \frac{1}{2}$

$P(70 \leq x \leq 71) = P(\displaystyle\frac{70 - 70}{\frac{3}{\sqrt{36}}} \leq z \leq \displaystyle\frac{71-70}{\frac{3}{\sqrt{36}}}) = P(0 \leq z \leq 2)\\\\= P(z \leq 2) - P(z \leq 0)\\= 0.977 - 0.500 = 0.477= 47.7\%$

$P(70 \leq x \leq 71) = 47.7\%$

0.477 is the probability that the average score of the 36 golfers was between 70 and 71.

8 0

3 years ago

Are the given angles complementary, supplementary, or neither?

const2013 [10]

B. Complementary means totaling 90 degrees, and supplementary means totaling 180 degrees.

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3 years ago

Rewrite the expression in the form x^n x^6/x^8

Vsevolod [243]

Please answer please please thank you thank goodness

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3 years ago

Will give brainlist please help me

o-na [289]

Answer:

x=8

Step-by-step explanation:

When trying to figure this out, you may see that x might be 8. Since the angels are all 120 degrees and equal up to 360 degrees (full size,) x will equal 8.

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3 years ago