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Luden [163]
3 years ago
7

Which of the following represents a problem that could be solved by using the inequality below?

Mathematics
1 answer:
Naya [18.7K]3 years ago
6 0

Answer:

c. C Both a and b can be solved using this inequality

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A helicopter makes a round trip flight that lasts 4.5 hrs. if the average rate out was 80 miles per hour and the average rate in
zlopas [31]

Answer:

Let d = the one-way trip

Write a time equation: time = dist/speed

time out + time back = 4.5 hrs

d/80 + d/100 = 4.5

Multiply by 400 to clear the denominators

400*d/80 + 400*d/100 = 400(4.5)

Cancel the denominators

5d + 4d = 1800

d = 1800/9

d = 200 miles max distance

3 0
3 years ago
Can some help me pls find the angle measure for each one
Marianna [84]

Answer:

1 = 140 2 = 70

Step-by-step explanation

1 is 140 because it is the same as 140 and 2 is 70 because it is the same angle as 70.

8 0
2 years ago
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What is the solution for x in the equation? 16x − 4 + 5x = -67
Luden [163]

Answer:

x = -3

Step-by-step explanation:

16x − 4 + 5x = -67

Combine like terms

21x -4 = -67

Add 4 to each side

21x-4+4 = -67+4

21x = -63

Divide each side by 21

21x/21 = -63/21

x = -3

3 0
3 years ago
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I NEED THE ANSWER IN THE NEXT MINUTE
OverLord2011 [107]

Answer:

508.68

*sorry if this is late

Step-by-step explanation:

Divide 36 by 2 to get radius

Multiply 18 by itself to get 324

Multiply 324 by 3.14 to get the area of a circle

Divide it by 2 to get the area of the semi circle

7 0
3 years ago
Which of the following statements must be true about this diagram?<br> Check all that apply.
Alik [6]

Answer:

i would go for a and c

Step-by-step explanation:

7 0
2 years ago
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