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defon
3 years ago
6

Evaluate the expression 7+8(15-9) sqaured

Mathematics
2 answers:
Julli [10]3 years ago
8 0
If it is squared I believe it would be 3025, if not it would be 55.
melamori03 [73]3 years ago
6 0
This question is about the order of operations.
<span>
7+8(15-9)
   15 + 6

= 21

Answer is 55.</span>
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7,3,5,6 using each number only once equal 75 using parentheses
Kaylis [27]
[ (3 · 7) - 6 ] · 5 = [ 21 - 6 ] · 5 = 15 · 5 = 75
5 0
3 years ago
The width of a rectangular room is 80%
katrin [286]

Answer:

12 feet

Step-by-step explanation:

Given: length = 15 feet, width = L x 80%

Unknown: width = ?

 width = L x 80%

        w = (15ft) x 80%     or (15ft) x .80

        w = 12 ft

5 0
3 years ago
Read 2 more answers
After 3 points have been added to every score in a sample, the mean is found to be M 5 83 and the standard deviation is s 5 8. W
Maurinko [17]

Answer:

Hence the value for the mean is  80 and the standard deviation for the original sample is 8.

Step-by-step explanation:

Mean = 83-3 = 80.

Here the standard deviation didn't change = 8.

5 0
3 years ago
What is the answer for: 7 - 8(x-3)=x-14
ikadub [295]

Answer:

1. x=5

2.x=-33/8

3.x=10

4.x=5

Step-by-step explanation:

5 0
2 years ago
Find the midpoint of the segment with the following endpoints.
sergij07 [2.7K]

Answer:

( 5.5 , 4 )

Step-by-step explanation:

Use mid point formula shown in image

first x= (X+X)/2

x=(4+7)/2

x=11/2

x=5.5

y=(Y+Y)/2

y=(2+6)/2

y=8/2

y=4

(5.5,4)

4 0
3 years ago
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