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Reil [10]
2 years ago
11

EASY 6TH GRADER MATH

Mathematics
1 answer:
Rudik [331]2 years ago
8 0

Answer:

27

Step-by-step explanation:

She is wrong the answer is 27, all you have to do is multiply the number by the percentage as a decimal (.45)

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assume that women's heights are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. find the
drek231 [11]

Answer:

65.3658 inches

Step-by-step explanation:

Let X be the height of a woman randomly choosen. We know tha X have a mean of 63.6 inches and a standard deviation of 2.5 inches. For an x value, the related z-score is given by z = (x-63.6)/2.5. We are looking for a value x_{0} such that P(X < x_{0}) = 0.76, but, 0.76 = P(X < x_{0}) = P((X-63.6)/2.5 < (x_{0}-63.6)/2.5) = P(Z < (x_{0}-63.6)/2.5), i.e., (x_{0}-63.6)/2.5 is the 76th percentile of the standard normal distribution. So, (x_{0}-63.6)/2.5 = 0.7063, x_{0} =63.6+(2.5)(0.7063) = 65.3658. Therefore, the height of a woman who is at the 76th percentile is 65.3658 inches.

7 0
3 years ago
The length of one leg of a right triangle is 9cm and 40cm
Damm [24]

Answer:

Step-by-step explanation:

I think ur is D but I'm not sure

4 0
3 years ago
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Use the information below to answer the question: The Tigers scored 3
Paraphin [41]

Answer:

they either scored 18 or 9 points from the field goals but i think it is the 9 point if i'm wrong then it is the other one

Step-by-step explanation:

3 0
3 years ago
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What is the solution to the system of equations graphed below
madreJ [45]

\underline{+\left\{\begin{array}{ccc}y=-x-1\\y=x+1\end{array}\right}\ \ \ \ |\text{add both sides}\\\\.\ \ \ \ \ 2y=0\ \ \ |:2\\.\ \ \ \ \ y=0\\\\\text{substitute the value of y to the second equation}\\\\0=x+1\ \ \ \ |-1\\x=-1\\\\Answer:\ A.\ (-1,\ 0)

8 0
3 years ago
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andrezito [222]

Answer:

4/.5 = 8

Step-by-step explanation:

You can solve this by adding up .5 8 times to equal 4. Another way to look at it is that you have 4 individual pieces that are a foot long and you decide to split all of them in half. Let me know if you have any other questions.

7 0
3 years ago
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