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olga55 [171]
3 years ago
8

Find the average of 2, 6, 12, 8, and 7

Mathematics
1 answer:
Crazy boy [7]3 years ago
7 0

Answer:

7

Step-by-step explanation:

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Can you help me out with this one?
shepuryov [24]

Answer: 98

Step-by-step explanation:

98 / (-7) = -14

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3 years ago
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How tall is a building that casts a ​78-ft shadow when the angle of elevation of the sun is 30 degrees​?
Marta_Voda [28]

Answer: 45.03\ ft

Step-by-step explanation:

Given

The length of the shadow is 78 ft

the angle of elevation is \theta =30^{\circ}

Suppose the height of the building is h

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\tan 30^{\circ}=\dfrac{h}{78}\\\\h=78\tan 30^{\circ}\\\\h=45.03\ ft

The height of the building is 45.03 ft

8 0
2 years ago
• A rational number is such that when you multiply it by
Tatiana [17]

Answer:

The number is -1/2.

Step-by-step explanation:

I am assuming they are fractions. So we have the equation:

5/2 x + 2/3 = -7/12

We multiply through by 12 to eliminate the fractions:

5/2 * 12 x + 2/3 * 12 = -7/12 * 12

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30x = -15

x =  -15/30

x = -1/2.

7 0
3 years ago
At the zoo on monday, 65 percent of the people in attendance were children. if 520 children were in attendance, how many people
inna [77]
Children = .65 * people
people = 520 / .65
800 people were in attendance

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In football, a field goal is kicked from a position on the field
77julia77 [94]

Answer:

144 ft. i just had this question on my test .

Step-by-step explanation:

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3 years ago
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