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Orlov [11]
2 years ago
6

With a mean of 100 and standard deviation of 15, what percentage of IQ scores are less than 110

Mathematics
1 answer:
vekshin12 years ago
3 0

Answer:

i think 125

Step-by-step explanation:

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Three times what equals 61.50
sergey [27]
Simply divide 61.50 by 3. You should be able to reach the answer that way
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2 years ago
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Please answer the question carefully and completely.
LiRa [457]

He has 21 classmates, you know this by, taking 17.5 and dividing it by the 5/6. This leading to get you 21.

7 0
3 years ago
Express 0.003597 to three significant figures​
coldgirl [10]

Answer:

0.00360.

Step-by-step explanation:

Leading zeros in a number are not significant, so your number has four significant figures.

You must drop the 7 from 0.003597.

Since 7 is greater than 5, you must add 1 to the 9

\begin{array}{r|l}1&  \\0.00359 &\text{7}\!\!\!\!\diagup \\\mathbf{0.00360} & \\\end{array}

3 0
3 years ago
Keegan deposits into her savings account at the beginning of the year. The account earns 3% simple interest each year. She has $
fiasKO [112]

Answer:

She deposits $350 into the account at the beginning of the year.

Step-by-step explanation:

Let us assume that Keegan deposits $P into her savings account at the beginning of the year.

The account earns 3% simple interest each year and she has $360.50 in her account at the end of the year.

If Keegan did not make any additional deposits or withdrawals during the year.

So, we can write that P[1+\frac{3}{100} ]= 360.50

⇒ P = $350 (Answer)

7 0
2 years ago
2. In the ratio of 3:2:2, three brothers invested a total of 249,000 to open a store. Find each
GaryK [48]

Answer:

$106,714.29

$71,142.86

$71,142.86

Step-by-step explanation:

There's a total of 7 pieces that they invested (3 + 2 + 2 = 7) so you can do 249,000 / 7 to find what each piece was worth.

249000/7 = about 35571.43

(you always have to round money to 2 decimal places)

Then the amount each brother spent would be:

3 * 35571.43 = 106714.29

2 * 35571.43 = 71142.86

2 * 35571.43 = 71142.86

8 0
2 years ago
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