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Stels [109]
3 years ago
15

Does this mean multiplication? 4(-9)

Mathematics
2 answers:
larisa86 [58]3 years ago
3 0

Answer:

Yes, it does mean multiplication.

Blababa [14]3 years ago
3 0
Yes. the answer will be -36. hope it helps you!
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A particular fruit's weights are normally distributed, with a mean of 611 grams and a standard deviation of 28 grams. The heavie
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The answer to the nearest gram is 538gm
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At Bison High School, there are 16 students in English Club, 16 students in Science Club and 20 students in Math Club. Of these
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<span>There are 8 students in both Eng and Math.
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3 years ago
Which sets of ordered pairs show equivalent ratios? Check all that apply.
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Answer:

#2

#3

Step-by-step explanation:

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2 years ago
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4 0
3 years ago
Read 2 more answers
The weights (to the nearest pound) of some boxes to be shipped are found to be:. Weight 65 68 69 70 71 72 90 95 frequency 1 2 5
Lena [83]
So the mean is 72.97

We need to subtract the mean from each value and square it.
(65-72.97)^2= 63.5209
(68-72.97)^2=24.7009
(69-72.97)^2=15.7609
(70-72.97)^2=8.8209
(71-72.97)^2= 3.8809
(72-72.97)^2=0.9409
(90-72.97)^2=290.0209
(95-72.97)^2=485.3209

Now we add up the new values ( also consider their frequency) and find their mean.
Add the values
63.5209+(2 •24.7009=49.4018)+(5•15.7609=78.8045)+(8•8.8209=70.5672)+(7•3.8809=27.1663)+(3•0.9409=2.8227)+(2•290.0209=580.0418)+(2•485.3209=970.6418)= 1,842.967
Divide by total numburs to find the mean
1,842.967/ 30=61.43223333

The standar deviation is the square root of the mean so is
Square root of 61.43223333=7.837871735
Round to the nearest tenth
Standard Deviation is 7.8



7 0
3 years ago
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