2 years ago

If i made 9 baches of cookies and each had 942 cookies in it how many cookies do i have

Mathematics

1 answer:

rodikova [14]2 years ago

8 0

942 x 9 = 8,478 cookies

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Which of the following expressions represents "the quotient of nine times a number and seven"?

irga5000 [103]

Answer:

I think it's 9x/7

Step-by-step explanation:

Hope my answer has helped you.

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2 years ago

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.

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3 years ago

Which digit holds a value that is 1 10 the value of the underlined digit in the number twenty-two thousand two hundred twenty-tw

andre [41]

Answer:

??? I have the same problem itsits hard??, help me please

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2 years ago

The sum of two numbers is 31. The product of the two numbers is 150. What are the numbers?

mestny [16]

One way is to factor 150 and add the factors
150+1=151, nope
2+75=77, nope
3+50=53, nope
5+30=35, nope
6+25=31, yep

the numbers are 6 and 25

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3 years ago

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If a(b+c)=d and a, b, c and d are all integer, then which of the following must be true?

lions [1.4K]

Answer:

B. ab+ac=d

Step-by-step explanation:

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2 years ago

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