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Masja [62]
2 years ago
8

Halp plss halp plss me

Mathematics
1 answer:
Vladimir79 [104]2 years ago
8 0

Answer:

1

Step-by-step explanation:

36 - 30 - 5

6 - 5

1

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IQs as measured by the Wechsler Adult Intelligence Scale are approximately Normal with mean 100 and standard deviation 15. About
Marina CMI [18]

Answer:

1 standard deviation

Step-by-step explanation:

Given that :

IQs as measured by the Wechsler Adult Intelligence Scale are approximately Normal with:

Mean = 100

Standard deviation = 15

About 84% of people will have IQs below 115 because:

84% = 0.84

From z - table, 0.84 corresponds to a z- score of about 0.995

0.995 = 1. 00

The z-score gives the number of standard deviations by which a raw score is above or below the average or mean value.

Raw score = 115

Mean = 100

Standard deviation (sd) = 15

Mean + number of sd's

100 + 1(sd)

100 + 1(15) = 100 + 15 = 115

8 0
3 years ago
How many solutions can be found for the set of linear equations? Y = 7(x + 2) and y = 7x + 14
Bogdan [553]

Answer:

infinite solution

Step-by-step explanation:

because  Y = 7(x + 2) and y = 7x + 14 are the same

y = 7(x+2) = 7x + 14

eliminate to see

y = 7x + 14

-(y = 7x +14)

= 0 = 0 + 0

so it is infinite solution

4 0
3 years ago
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if I found a place that will give me a 20% discount if I spent over $50 dollars my bill is 75 how much will I save
SVETLANKA909090 [29]
Your total will be $60, you will have saved $15
7 0
3 years ago
2x – 4y = 16<br> -2x - 3y = 7
noname [10]
Bro use the app Socratic
5 0
3 years ago
If (2x,3y) =(8, 9),find x and y​
solong [7]

Answer:

x = 4, y = 3

Step-by-step explanation:

Equating corresponding coordinates , gives

2x = 8 ( divide both sides by 2 )

x = 4

and

3y = 9 ( divide both sides by 3 )

y = 3

5 0
3 years ago
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