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olasank [31]
3 years ago
13

What is the mean of the set of number? -7, -5, 0, 8, 9 A. 1 B. 10 C. 22 D.5

Mathematics
2 answers:
Ray Of Light [21]3 years ago
5 0
Add up all the numbers
(-7 + -5) + (8 +9)

Then divide by 5, the total number of items in the data set.
Liula [17]3 years ago
3 0
I think it is d=5 because when you add them all up and divide by 5 it is 5
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May someone help me on this
Umnica [9.8K]

Answer:

what do u gotta do? pick which ones right

3 0
3 years ago
What is the justification for each step in solving the inequality?
Alik [6]
75x+35≥7(11x+9)+475x+35≥7(11x+9)+4

75x+35≥77x+63+475x+35≥77x+63+4        [expand all blackets]

75x+35≥77x+6775x+35≥77x+67                [collect like terms]

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3 years ago
I am confused about the order to go about doing this problem because I tried multiplying first and then dividing but my answer w
guajiro [1.7K]
50÷(-25)x(4)
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7 0
3 years ago
Read 2 more answers
Below are two parallel lines with a third line intersecting them
olga_2 [115]

Answer:

x = 122

Step-by-step explanation:

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3 0
3 years ago
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A lifeguard is in a look out chair and sees a person in distress. The eye level of the lifeguard is 15 feet above the ground. Th
faltersainse [42]

Answer:

Horizontal distance between lifeguard and the person is 22 feet.

Step-by-step explanation:

Given: A lifeguard sees a person in distress.The eye level of the lifeguard is 15 feet above the ground. Angle of depression is 34°.

To find: Horizontal distance between lifeguard and the person.

Solution : If we draw a triangle then tan∅ = \frac{height}{base}

               Here base is the horizontal distance.

               Now we put the values in the formula.

               tan 34° = \frac{15}{base}

              Or Base = \frac{15}{tan34}

                             = \frac{15}{0.675} = 22.22 feet

So the answer is 22 feet.

7 0
3 years ago
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