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erastovalidia [21]
2 years ago
8

Two numbers have a average of 17. If one of the numbers is 11, what is the other number

Mathematics
1 answer:
Len [333]2 years ago
7 0

Answer:

Other number is 23

Step-by-step explanation:

Let the two numbers be x and y.

We have given that average of x and y is 17.

i.e \frac{x+y}{2} = 17

if one of the number is 11,

Then , \frac{11+y}{2} = 17

or  (11 + y)/2 = 17

or 11 + y = 34

or y = 34 - 11

or y = 23


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David swam in 312 events during the last 6 years. He swam the same number of events each year.
natta225 [31]

Answer:

52

Step-by-step explanation:

Divide 312 by 6 to find the number of events he swam per year

5 0
2 years ago
Read 2 more answers
What is the slope of the line that passes through (3, 3) and (-2, -3).
Diano4ka-milaya [45]

Answer:

slope=6/5

Step-by-step explanation:

The formula for finding the slope is y1-y2/x1-x2=slope. So if we substitute in the numbers from you question, it would be (-3-3)/(-2-3)=slope

(-3-3)/(-2-3)=slope

-6/-5=slope

6/5=slope

5 0
2 years ago
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5 - 2 (a + 3b) / 2 = ? / ?
Semmy [17]

Answer:

(5-2a+6b)/2

Step-by-step explanation:

According to PEMDAS, we would multiply 2 by (a+3b) first. This would equal 2a+6b. Since this is being subtracted from 5, the numerator would equal 5-2a+6b. This would bring the simplified answer to (5-2a+6b)/2

4 0
3 years ago
The probability of a tornado occurring in a subdivision in Tornado Alley in the United States has been estimated to be 0.2 for o
hoa [83]

Answer:

Probability is 0.831727

Step-by-step explanation:

The probability can be calculated as below

There are multiple scenarios

Scanerio 1

0 occurance & No damage = 1 - 0.2 - 0.03 - 0.001 = 0.769

Scanerio 2

1 occurance & No damage = 0.2 x ( 1 - 0.7 ) = 0.06

Scanerio 3

2 occurance & No damage = 0.03 x ( 1 - 0.7 )^2 = 0.0027

Scanerio 4

3 occurance & No damage = 0.001 x ( 1 - 0.7 )^3 = 0.000027

P(structure will not suffer any damage) = Scanerio 1 + Scanerio 2 + Scanerio 3 + Scanerio 4 = 0.769 + 0.06 + 0.0027 + 0.000027 = 0.831727

8 0
3 years ago
What is 6.9 as a fraction or a mixed number
love history [14]
If you're looking for a fraction:
Think of it this way, the 9 is in the 10th place. The 6 is in front of the decimal. So, it's 69/10. The 10 takes the place of the 9, the "/" is the decimal moved to the right one space.

Or 

If you're looking for a mixed number:
You basically split the above fraction "69/10" up into two separate pieces. So, it's
6 9/10. 
4 0
2 years ago
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