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nalin [4]
3 years ago
12

Can somebody please help me figure this out?

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
5 0

Answer: You would put the 35° and the 4x+7° equal to each other.

Step-by-step explanation:

    1. 4x+7=35  

    2. 4x+7=35   -> Subtract 7 from the positive 7 and the 35

           -7     -7

    3. 4x=28       -> Divide 4x and 28

    4. x=7

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A bus service drives passengers between San Diego and Los Angeles every day. They make 8 roundtrips a day. The distance between
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Answer

Yes

Step-by-step explanation:

(8 roundtrips)(89 miles)(28 days) = 19,936

3 0
3 years ago
Maria makes $120 in an 8-hours day. Which is correct expression that describes Maria’s hourly rate?
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she gets paid 15$ a hour

Step-by-step explanation:

divide 120 by 8

3 0
2 years ago
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Mrs. Torres’s class has 28 students. The class includes 12 boys. What is the
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16:12 or 4:3

Step-by-step explanation:

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Water runs from a pump at a rate of 0.5 gallons per minute. At this rate, how long would it take to fill a tub with a 150-gallon
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300 min or 5 hours

Step-by-step explanation:

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3 0
2 years ago
Provide an appropriate response. In order to efficiently bid on a contract, a contractor wants to be 95% confident that his erro
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Answer:

d. 20

Step-by-step explanation:

Standard deviation is 4.5

Margin error for the problem is 2 hours

Probability 95%, that means that the siginficance level α is 1 – p

α = 1 – 0.95 = 0.05

margin of error (ME) can be defined as follows

ME = Z(α/2) * standard deviation/ √n

Where n is the sample size

Z(0.05/2) = Z(0.025)

Using a z table Z = 1.96

Now, replacing in the equation and find n

2 = 1.96 * 4.5/ √n

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n = 4.41^2

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5 0
3 years ago
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