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tangare [24]
3 years ago
7

Dave's father is paying him to paint the storage

Mathematics
1 answer:
Leya [2.2K]3 years ago
7 0

Answer:

Number of paints to buy, n = The total area of the walls, W / Area covered by a can of paint, p

Step-by-step explanation:

Let's

p = area covered by a can of paint

W = the total area of the walls

n = number of paint cans to buy

Number of paints to buy, n = The total area of the walls, W / Area covered by a can of paint, p

That is,

n = W / p

If the total area of the walls = 100 m²

A can of paint covers 5 m². Find the number of cans of paint needed?

Number of paints to buy, n = The total area of the walls, W / Area covered by a can of paint, p

n = W / p

= 100 m² / 5 m²

n = 20 cans of paint

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Step-by-step explanation:

Given inequality is y.

To graph that inequality, first we need to graph the line y=\frac{3}{4}x+2. Then shade it for the inequality symbol <.

Graphing line can be done using two points.

plug x=0 into y=\frac{3}{4}x+2, we get:

y=\frac{3}{4}*0+2=2

Hence first point is (0,2)

Similarly plug any random number for x say x=4, we get:

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Hence first point is (4,5).

Now we just need to graph both points and join them by a dotted line. because we have < not <=.

Next part is to test for shading.

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plug x=0,y=0 into y.

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Hence final answer will be the choice which looks like the graph attached below;


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Step-by-step explanation:

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3 years ago
How many solutions does -3x+9-2x=-12-5x have
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<em><u>Answer:</u></em>

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