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bezimeni [28]
3 years ago
7

The product of a number and 5 increased by 12 is 42. What is the number?

Mathematics
1 answer:
DanielleElmas [232]3 years ago
6 0

Answer:

6.

Step-by-step explanation:

6×5 = 30 (product=multiplication)

30+12=42 (increased=addition)

So, the answer is 6.

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Need help fast!!!!!!
Alex17521 [72]

Answer:

if im correct i think the answer is y=1.25x-0.5

Step-by-step explanation:


7 0
3 years ago
Daniel is planning a 6-night road trip. It will cost $310 for transportation, $275 for food, and $70 per night for a hotel room.
Anna11 [10]

Answer:

Daniel must tutor 160 hours

Explanation:

310+275+70= 655

655×6= 3930 (he needs this amount of $)

(Daniel gains $20 per hour)

20×160= 3200

3200+745= 3945

3945 > 3930

Daniel has enough for the trip.

Where did I get 160?

Well, I was just trying out numbers and multiplying it by 20

The numbers I tried: 100, 150, 156, 159 & 160 but only 160 fit with the answer.

If it was just one night road trip he would've just needed $655, but since it's a 6-night road trip I multiplied it by 6.

Hope this helped!

3 0
3 years ago
Read 2 more answers
3 gallons of paint cover 900 square feet. How many gallons will cover 300<br> square feet?
SVEN [57.7K]

Answer:

1 gallon

Step-by-step explanation:

Since the relationship is direct, meaning as the number of square feet decreases, the number of gallons also decreases.

3:900 = x:300

solution:

3(300) = 900x

900=900x

x=1

4 0
2 years ago
Read 2 more answers
The drying times for a certain type of cement are normally distributed with a standard deviation of 30 minutes. A researcher wis
IceJOKER [234]

Answer:

h. 36

Step-by-step explanation:

For a 68.26% confidence, z = 1.0.

Standard deviation (s) = 30 minutes

The sample size needed to assure that the sample mean does not differ from the true mean by more than 5 minutes is given by:

5\geq z*\frac{s}{\sqrt n}\\\sqrt n\geq 1*\frac{30}{5}\\n\geq 36

The sample size needed is 36.

5 0
3 years ago
The base of a rectangular prism has an area of 8 square meters. The height of the rectangular prism is 5 meters.
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8 0
3 years ago
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