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Vika [28.1K]
2 years ago
12

The description for a certain brand of house paint claims a coverage of 410 ft2/gal. How many liters of paint are required to ap

ply a single coat of paint to the (4) walls of a 7.7 m by 14.8 m room with a height of 2.4 m
Mathematics
1 answer:
Airida [17]2 years ago
3 0

Answer:

  • 10.7 liters of paint required

Step-by-step explanation:

Dimensions of the room

  • 7.7 m by 14.8 m with the height of 2.4 m

Find the surface area of the 4 walls

  • A = Ph = 2(l + w)h = 2(7.7 + 14.8)*2.4 = 108 m²

Convert the area to ft²

  • 108 m² = 108*10.7639 ft² = 1162.5012 ft²

Find the amount of paint required

  • 1162.5012/410 = 2.84 gal (rounded)

Covert the volume to liters

  • 2.84 gal = 2.84*3.76 l = 10.7 l (rounded)

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Hi! I'm 12 years old trying to move up in maths, does anyone have any tips about any one of these topics?
Mars2501 [29]

Answer:

For number remember that the negative number are smaller, but if it question like this which one is bigger -5 or -6 will -5 will be the answer because it is not smaller than -6. For ratios just remember divide or number of something like there are 3 to 8 child in the classroom then thee ratios would be 3:8. Lastly for the times tables learn all of your times tables like your favorite game, so things will be easier on you.

8 0
2 years ago
I'm not sure how to start the process....
lesantik [10]
Step 1; both side divide by 4, you'll get Ix-10I=8
step 2: x-10=8 or x-10=-8
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3 0
3 years ago
Simplify the expression<br><br> -4 + 3 + 5 =
xenn [34]

Answer:

4

Step-by-step explanation:

-4+3=-1

-1+5=4

8 0
2 years ago
Factor p^2−6−q·(p^2−6)^2
Olenka [21]

Answer:

(p^2−6) (1-q(p^2-6))

Step-by-step explanation:

p^2−6−q·(p^2−6)^2

Put parentheses around the P^2-6 at the beginning of the expression

(p^2-6) -q (p^2−6)^2

Factor out (p^2−6)

(p^2−6) (1-q(p^2-6))

5 0
3 years ago
Read 2 more answers
The width of a rectangle is 22 inches and the perimeter is at least 165 inches. what inequality could be used to find the minimu
Lera25 [3.4K]
The answer is D.

We know that a rectangle has two widths that are equal and two lengths that are equal. One width is 22, so the other one is also 22.

If you wanted to find the lengths, you would add both widths together (same as multiplying a width by two) and add that to the two lengths equaled to the perimeter.

So, 22 * 2 + 2x = perimeter of rectangle. We added all four sides together.

We know that the perimeter is at least 165, so 22 * 2 + 2x = 165. Here's the twist. They want the most minimum possible length. So, what answer choice gives you 165 or less for the most minimum or smallest length while still getting to 165?
That is D.
22 * 2 + 2x < = 165.
Hope this helped!
6 0
3 years ago
Read 2 more answers
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