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DochEvi [55]
3 years ago
11

Use the normal distribution of IQ​ scores, which has a mean of 110 and a standard deviation of 18 ​, and the following table wit

h the standard scores and percentiles for a normal distribution to find the indicated quantity.
Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
3 0

Answer:

110

Step-by-step explanation:

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PLEASE HELP PLEASE PLEASE
NNADVOKAT [17]

Answer: The value of x =2 units.

Explanation:

Since we have given that

AD= CD

BE= EA

So, we get that D and E are the mid-points of AC and AB respectively.

So, by Mid- point theorem , which states that the line joining the two midpoints is parallel to third side and it is half in length of third side i.e.

DE=\frac{1}{2}BC

So, we put the value of DE  and BC ,

5x-3=\frac{1}{2}\times (x+12)\\\\2(5x-3)=x+12\\\\10x-6=x+12\\\\10x-x=12+6\\\\9x=18\\\\x=\frac{18}{9}=2

Hence, the value of x =2 units.


4 0
3 years ago
What is scarerude of 90
lora16 [44]
Assuming you meant square root of 90 it would be

90 equals 3 times the square root of 10
√90 = 3√10


4 0
3 years ago
Find x - y less than 0.
shutvik [7]
Is there any choices if not it could be 1 - 2 or abouve the first nuber x has to be smaller and y has to be bigger
4 0
3 years ago
Solve the proportional equation below 3/4 =2/v-2
Vinil7 [7]

For this case we have the following equation:

\frac {3} {4} = \frac {2} {v-2}

Resolving we have:

3 (v-2) = 2 * 4\\3 (v-2) = 8

We apply distributive property to the terms of parentheses:

3v-6 = 8

Adding 6 to both sides of the equation:

3v = 8 + 6\\3v = 14

Dividing between 3 on both sides of the equation:

v = \frac {14} {3}

ANswer:

v = \frac {14} {3}

3 0
3 years ago
Read 2 more answers
What fraction of an hour is 8 minutes in simplest form
nikklg [1K]
1/15. 8/60 simplified down is 1/15
5 0
3 years ago
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