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Nitella [24]
3 years ago
6

Because sample means were being tested the ____ is used to calculate the z-score

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
7 0

Answer: standard deviation

Step-by-step explanation:

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What is the slope of y = -4
atroni [7]

Answer:

the slope is zero because the slope is zero

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3 years ago
A pair of linear equations is shown below:
trapecia [35]
That would be option D

The y intercepts are 1 and 4 and the slope are -1 and 2.
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Which explains how to find the quotient of the division below? Negative 3 and one-third divided by StartFraction 4 over 9 EndFra
Ulleksa [173]

Answer:

(B) Write Negative 3 and one-third as Negative StartFraction 10 over 3 EndFraction, and find the reciprocal of StartFraction 4 over 9 EndFraction as StartFraction 9 over 4 EndFraction. Then, rewrite Negative 3 and one-third divided by StartFraction 4 over 9 EndFraction as Negative StartFraction 10 over 3 EndFraction times StartFraction 9 over 4 EndFraction. The quotient is Negative 7 and StartFraction 6 over 12 EndFraction = Negative 7 and one-half.

Step-by-step explanation:

To find the quotient of the division:

-3\dfrac13 \div \dfrac49

Step 1: \text{Write}$ $ -3\dfrac13$ as $ -\dfrac{10}{3}

-3\dfrac13 \div \dfrac49 =  -\dfrac{10}{3} \div \dfrac49

Step 2: Find the reciprocal of  \dfrac94

-\dfrac{10}{3} \times \dfrac94\\=-7\dfrac12

4 0
3 years ago
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For the function shown below, find f(3): f(x)=2x^4-8x^2+5x-7
a_sh-v [17]

We have been given the function

f(x)=2x^4-8x^2+5x-7

We have to find the value of f(3). In order to find the same, substitute x=3 in the given function.

f(3)=2(3)^4-8(3)^2+5(3)-7

Now, we simplify this step by step.

First of all 3^4=81\text{ and }3^2=9. Thus, we have

f(3)=2\times 81 -8\times 9+5(3)-7

Now, we can easily simplify it by PEMDAS

f(3)=162-72+15-7

f(3)=98


Therefore, the value of f(3) is 98.

3 0
3 years ago
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675 grams of sweets were distributed among 9 children. How much sweet was given to each child?
NISA [10]

Answer:

75 Sweets

Step-by-step explanation:

To get the answer you have to divide the number of sweets by the number of children. If there are 675 grams and 9 children, then you divide 675/9 to get your answer of 75 sweets.

8 0
3 years ago
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