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PolarNik [594]
3 years ago
12

Simplify 14.2 + 6.5(p + 3q) – 4.05q

Mathematics
2 answers:
abruzzese [7]3 years ago
8 0

Step-by-step explanation:

14.2 + 6.5p+ 19.5q- 4.05q

6.5p + 15.45q + 14.2

earnstyle [38]3 years ago
7 0
The answer to your question is C.
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The mean amount purchased by a typical customer at Churchill’s Grocery Store is $23.50, with a standard deviation of $5.00. Assu
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Answer: 0.0170

Step-by-step explanation:

Given : The mean amount purchased by a typical customer at Churchill’s Grocery Store is $23.50, with a standard deviation of $5.00.

i.e. \mu=23.50

\sigma=5

We assume the distribution of amounts purchased follows the normal distribution.

Sample size : n=50

Let \overline{x} be the sample mean.

Formula : z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

Then, the probability that the sample mean is at least $25.00 will be :-

P(\overline{x}\geq\25.00)=P(\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}\geq\dfrac{25-23.50}{\dfrac{5}{\sqrt{50}}})\\\\=P(z\geq2.12)\\\\=1-P(z

Hence, the likelihood the sample mean is at least $25.00= 0.0170

5 0
3 years ago
Evaluate the expression when a=-18 and b= -6<br> b to the power of 2 divided by a plus 4
tiny-mole [99]

Answer:

a wanna

Step-by-step explanation:

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Please help and please say the formula!!
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Answer:

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Step-by-step explanation:

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This is the area of the four triangles combined (210 cm^2) plus the area of the square (225 cm^2)

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Find the length of line AC. Use that length to find the length of line CD. What is the length of line CD? Round to the nearest t
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Is it either C or D not 100% but it is one of those hope this helped
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