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sergiy2304 [10]
3 years ago
12

A car can go 35 1/2 miles in 1 1/2 miles gallons. How many gallons does a car need to go 639 miles?

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
4 0

Answer: 27 gallons

Step-by-step explanation:

Since the car can go 35½ miles in 1½ miles gallons, we need to first calculate the number of miles that the car can go in 1 gallon. This will be:

= 35½ / 1½

= 71/2 / 3/2

= 71/2 × 2/3

= 23⅔ miles per gallon.

Therefore, the amount of gallons that the car need to go 639 miles will be:

= 639 / 23⅔

= 639 ÷ 71/3

= 639 × 3/71

= 27

The car will need 27 gallons.

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Answer:

28 pounds

Step-by-step explanation:

We have a total of 5 boxes, now we know that each box weighs 9 pounds, therefore:

Total weight = 5 * 9 = 45 pounds

Which means there are 45 pounds in total.

We are told that the limit is exceeded by 17 pounds. To find the limit weight, it is necessary to subtract the total weight and the excess:

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3 years ago
What is the image of the point (-6, - 2) under a 90° rotation about the point (-4, 1)?
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3 years ago
Can anyone help me with this (9+3n)+(7+4a)
Zigmanuir [339]

Answer:

Step-by-step explanation:

(

9

+

3

)

+

(

7

+

4

)

(9+3n)+(7+4a)

(9+3n)+(7+4a)

Simplify

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(

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2

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3

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4

Add the numbers

5

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3 years ago
For each function state:
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Hi i dont rlly know how to do this but if you go onto Algebra Calculator and type in the equation it will show you how to do it and give you the answer

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<h3>Reflection of coordinates</h3>

If a coordinate (x,y) is reflected across the y-axis, the equivalent coordinate points will be given as (-x, y).

Using the translation for the reflections;

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