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NeX [460]
2 years ago
15

Sancho paints the new sign for his bike shop. One quart of paint covers 200 square feet, and Sancho plans on applying three coat

s of paint. One quart of paint cost $8.97. What is the square footage of his sign and ow much must Sancho spend to paint the sign?
I will give crown thingy
Mathematics
1 answer:
aliina [53]2 years ago
6 0
60 Bc how much square footage
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This was given to me during a summative test and the teacher didn't bother giving me the correction. I just cannot figure it out
Dmitry [639]
  • Base be y

ATQ

\\ \sf\longmapsto xy=6050\dots 1

\\ \sf\longmapsto 2(x+y)=220\implies x+y=110\dots 2

Now

\\ \sf\longmapsto (x+y)^2=x^2+y^2+2xy

\\ \sf\longmapsto 110^2-2(6050)=x^2+y^2

\\ \sf\longmapsto 12100-12100=x^2+y^2

\\ \sf\longmapsto x^2+y^2=0\dots(3)

From all equations

\\ \sf\longmapsto (x-y)^2=x^2+y^2-2xy

\\ \sf\longmapsto (x-y)^2=0-2(6050)

\\ \sf\longmapsto (x-y)^2=-12100

\\ \sf\longmapsto (x-y)=110\dots(4)

Now

Adding 3 and 4

\\ \sf\longmapsto 2x=220

\\ \sf\longmapsto x=110m

One side won't be covered hence

  • y=2(110)=220m
7 0
3 years ago
Read 2 more answers
Does a shape with a right angle always have perpendicular sides? Explain
Aleks [24]

Answer:

Yes

Step-by-step explanation:

A right angle means that the lines will create an L or X or T when they intersect. This is exactly the definition of perpendicular, that the shapes will intersect and create at least one right angle.

3 0
3 years ago
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Three less than twice a number is fifteen<br><br> what is the answer?
I am Lyosha [343]

Answer:

2X–3 =15

2X=15+3

2X=18

X=18/2

X= 9

I hope I helped you^_^

5 0
3 years ago
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Solve the following system of equations by elimination:
sergeinik [125]

Answer:

x=4

y=5

(4,5)

Step-by-step explanation:

6 0
2 years ago
2(4x - 7)<br> What’s the answer
natima [27]

Answer:

8x - 14

Step-by-step explanation:

1. expand by distributing terms.

2 \times 4x + 2 \times -  7

2. Simplify 2 × 4x to 8x.

8x + 2 \times  - 7

3. Simplify 2 × -7 to -14.

8x - 14

Therefor, the answer is, 8x - 14.

3 0
3 years ago
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