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Nikolay [14]
3 years ago
5

Find the quotient with explaina. 16.5 ÷ 10 =b. 16.5 ÷ 100 =​

Mathematics
2 answers:
Lady_Fox [76]3 years ago
7 0

Answer:

16.5 \div 10 = 1.65 \\ 16.5 \div 100 = 0.165

katen-ka-za [31]3 years ago
6 0

Answer:

a. 1.65

b. 0.165

Use my rule MR DL

That is multiply right divide left

So here you shift the decimal point to your left one time since ten has one zero, and you get your answer as 1.65 for a

Use the same method for b and your answer is 0.165

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6 0
4 years ago
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3 0
4 years ago
During an experiment, some water was removed from each of the 6 water tanks. If the standard deviation of the volumes of water i
Julli [10]

Answer:

First statement is correct.

Step-by-step explanation:

If we add or subtract a constant to each term in a set:  Mean will increase or decrease by the same constant.  Standard Deviation will not change.

If we increase or decrease each term in a set by the same percent (multiply all terms by the constant):  Mean will increase or decrease by the same percent.  Standard Deviation will increase or decrease by the same percent.

For example:

Standard Deviation of a set: {1,1,4} will be the same as that of {5,5,8} as second set is obtained by adding 4 to each term of the first set.

That's because Standard Deviation shows how much variation there is from the mean. And when adding or subtracting a constant to each term we are shifting the mean of the set by this constant (mean will increase or decrease by the same constant) but the variation from the mean remains the same as all terms are also shifted by the same constant.

So according to this rule, statement (1) is sufficient to get new Standard Deviation, it'll be 30% less than the old.. As for statement (2) it's clearly insufficient as knowing mean gives us no help in getting new Standard Deviation.

6 0
3 years ago
Can anyone help me find the value pls?
Flauer [41]

The inside angle for B, which is labeled x is the same as the outside angle of D which is labeled as 72, so we know x = 72.

In a parallelogram two angles next to each other equal 180, so angle A and angle B equal 180.

We know B = 72, so A = 180-72 = 108

Angle A is divided in 2 by angle y, so y = 108/2 = 54

Answers: x = 72

Y = 54

4 0
3 years ago
Who is correct? Thanks for the help
Aleksandr-060686 [28]
I believe Hector is correct

Explanation: for every 1 hour the income is $10, therefore working 32 hours will give you $320 as Hector stated, while working 18 hours will not give you $160 as Hannah stated, it will give you $180
4 0
3 years ago
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