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Marta_Voda [28]
3 years ago
15

Amelia wants to paint three walls in her family room two walls are 26 feet long by 9 feet wide the other wall is 18 feet long by

9 feet wide. each gallon of paint covers about 250 ft.² how many gallons of paint should Amelia by to paint the walls?
Mathematics
1 answer:
Svetllana [295]3 years ago
7 0
26 by 9
Area = L*W
Area = 26 * 9
Area = 234 square feet but there are 2 such walls
Area = 234 * 2
Area = 468 square feet total for these walls.

18 by 9
Area = L*W
Area = 18 * 9
Area = 162 square feet

Total area = 468 + 162 = 630 square feet.

1 gallon covers 250 square feet
x gallon covers 630 square feet


1/x = 250/630
250 x = 1 * 630
x = 630 / 250
x = 2.52 gallons. It is best that she buy 3 gallons of paint.
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A plant is already 55 centimeters tall, and it will grow one centimeter every month. The plant's height, (in centimeters), after
monitta

The plant's height after 34 months will be 89cm if the plant is already 55 centimeters tall.

<h3>What is meant by height?</h3>

Height is defined in mathematics as the vertical distance from the object's top to its base. It is occasionally referred to as 'altitude.' The term height in geometry refers to the measurement of an object along the y-axis in coordinate geometry.

Height and elevation all refer to the vertical distance between the top and bottom of something or between a base and anything above it. Height refers to something measured vertically, whether it be high or low.

Given, the relation between the height and the months is:

H(m)=55+m

Now, we have to find the height of the plant after 34 months.

So, we substitute m=34 in the expression to obtain height,

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Answer:

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