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DIA [1.3K]
3 years ago
13

Michelle’s mom is letting her paint her room pink. What formula would she use to figure out how much paint she needs

Mathematics
2 answers:
larisa86 [58]3 years ago
3 0
I think u should use area . figure out the height width and length if not try perimeter find out the measurements of the walls
adell [148]3 years ago
3 0

She will use Surface area formula [2(lb+bh+hl) , where, l= length , b = width and h = height ] to find the area of the four walls excluding the area of windows and doors .

Then she will multiply the amount of paint needed to paint 1 m²(sq.metre) area of wall with the area of the walls of her room .

HOPE IT HELPS

PLEASE MARK ME BRAINLIEST☺️

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an owl travels 8 1/3 miles an hour and a seagull travels 12 1/2 miles in 2/3 hour. which animal is faster?
Simora [160]
Seagull because the owl has 5 5/9 and the sea 8 1/3
5 0
3 years ago
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A rectangle has a length that is 4 meters more than the width. The area of the rectangle is 117 square meters. Find the dimensio
pickupchik [31]

Answer:

Its the first choice. Width:9 Length:13

Step-by-step explanation:

If the length is 4 meter more than the width than that means whatever the width is you must add 4 to it, in this case the width is 9 so add 4 to it which equals 13. If the length matches your answer it is the correct choice.

6 0
3 years ago
Which equation represents a line that passes through the point ( 6 , − 3 ) and is parallel to the graph of y = 3 x + 1 ?
Ratling [72]

Answer:

              y + 3= 3(x - 6)        ←    point-slope form

             y = 3x - 21           ←    slope-intercept form

             3x - y = 21         ←    standard form

Step-by-step explanation:

The point-slope form of the equation of line it's y - y₁ = m(x - x₁), where m is the slope and (x₁, y₁) is the point the line passing through.

y=m₁x+b₁   ║   y=m₂x+b₂   ⇔    m₁ = m₂

{Two lines are parallel if  their slopes are equal}

y = 3x + 1   ⇒    m₁ = 3    ⇒    m₂ = 3

(6, -3)    ⇒    x₁ = 6,  y₁ = -3

point-slope form:

y - (-3) = 3(x - 6)

y + 3 = 3(x - 6)

y + 3 = 3x - 18              {subtact 3 from both sides}

y = 3x - 21        ←    slope-intercept form

-3x + y = -21                 {multiply both sides by (-1)}

3x - y = 21         ←    standard form

8 0
3 years ago
The equation below describes a proportional relationship between x and y. What is the constant of​ proportionality?
mamaluj [8]

Answer:

21

Step-by-step explanation:

whats 9 + 10

8 0
3 years ago
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A scale of 1:20 is used to make the drawing of a car if the length of the drawing is 10 what is the real length of the car?
Murljashka [212]

Answer: 200

Step-by-step explanation:

since 10 is one part

10 x 20 = 200

3 0
3 years ago
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