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Assoli18 [71]
3 years ago
6

Write in expanded form 51.242.​

Mathematics
1 answer:
lord [1]3 years ago
3 0

Answer:

50 + 1 + \frac{2}{10} + \frac{4}{100} + \frac{2}{1,000}

Step-by-step explanation:

This is the answer because:

1) 50 and 1 equal to 51

2) The fraction forms of a decimal number is: the decimal number/the decimal number place value

3) Therefore, the answer is 50 + 1 + \frac{2}{10} + \frac{4}{100} + \frac{2}{1,000}

Hope this helps!

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A supervisor records the repair cost for 22 randomly selected VCRs. A sample mean of $75.50 and standard deviation of $18.07 are
VashaNatasha [74]

Answer:

The t value for 99% CI for 21 df is 2.831.

The critical value that should be used in constructing the confidence interval is (64.593, 86.407).

Step-by-step explanation:

Now the sample size is less than 30 and also population standard deviation is not known.

Then we will use t distribution to find CI

t value for 99% CI for 21 df is TINV(0.01,21)=2.831

The margin of error is E=t\times\frac{s}{\sqrt{n}}\\\\=2.831\times\frac{18.07}{\sqrt{22}}\\\\=10.907

Hence CI isCI=\overline{x} \pm E\\\\ =75.50 \pm 10.907\\\\=(64.593,86.407 )

8 0
3 years ago
What is the mode of the data set shown below?
Novay_Z [31]

Answer:

2, 5 and 6

Step-by-step explanation:

this is because mode is the most appeared number in a data and 2,5 and 6 all appeared twice

8 0
3 years ago
Read 2 more answers
And a bag of M&Ms there are three red M&Ms for every two yellow M&Ms how many yellow M&Ms would there be if the
user100 [1]

Answer:

30 yellow m&m's

Step-by-step explanation:

5 0
3 years ago
What’s the correct answer for this?
Anvisha [2.4K]

Answer:

P = 4/13

Step-by-step explanation:

In a deck of 52 cards, there are 3 aces(spade, heart, diamond), 1 club ace, and 12 remaining club cards

=> The probability of randomly drawing 1 card that is an ace card or a club card:

P = number of elements/total number of elements

P = (3 + 1 + 12)/52

P = 16/52

P = 4/13

=> Option A is correct

8 0
3 years ago
Help with this one please
Marysya12 [62]
The correct answer is the first option, which is:

 A=G^2/H; H=G^2/A

 
The explanation is shown below:

 1. To solve the exercise shown in the figure attached, you must apply the proccedure shown below:

 2. You have the following equation to calculate G:

 G=√AH

 3. Now, to find the formula to calculate A, you must clear the A, as below:

 G^2=(√AH)^2
 G^2=AH
 A=G^2/H

 4. Then, you must apply the same proccedure to find the formula for calculate H, as following:

 G^2=(√AH)^2
 G^2=AH
 H=G^2/A
5 0
3 years ago
Read 2 more answers
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