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Ahat [919]
2 years ago
5

Given these facts, determine how many cans of paint you would need to buy to paint 2 walls.

Mathematics
1 answer:
Tatiana [17]2 years ago
5 0

Answer:

3 cans

Step-by-step explanation:

A = lw

a = 20 x 8 = 160ft^{2}

a = 40 x 8 = 320 ft^{2}

Together this is 480 ft^{2}

I would need 3 cans.

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Simpifly (-5x2 - 3x - 7) + (-2x3 + 6x2 - 8)
ioda

Answer:

-2x³ + x² - 3x - 15

Step-by-step explanation:

Simply combine like terms together:

-5x² - 3x - 7 - 2x³ + 6x² - 8

-2x³ + (-5x² + 6x²) - 3x + (-7 - 8)

-2x³ + x² - 3x + (-7 - 8)

-2x³ + x² - 3x - 15

5 0
3 years ago
Read 2 more answers
Tìm x <br><br>a,(2x+3x)^2-4x^2=10<br><br>b,(x+2)^-(x-2)(x+1)=3<br><br>c,(2x+3)^-4(x-1)^2=0
mash [69]

Answer:

Step-by-step explanation:

7 0
3 years ago
John has $30. He spends $20 on a pants, and $25 on a shirt. How much money does he have now?
Nataly_w [17]
-15 why cause ehe had 30 dollars and he first soent 20 such equals to 10 then he soends 25 such equals to -15
3 0
3 years ago
Read 2 more answers
Can someone please help <br> I need a breakdow
Arisa [49]

Answer:

I am so sorry :(

Step-by-step explanation:

I would really love to help you, but i am only in the 6th grade and i do not understand this. Hope someone helps you though :)

4 0
3 years ago
The area of a triangle is 1440cm^2 the base of tge triangle is 5 times the height of the triangle
Oduvanchick [21]
What should we find...
Probably base and the height...

Area = 1440cm²

base = 5×height

base = 5h

Area of triangle = base × height

1440 = 1/2 × 5h × h

1440 = 5h²/2

5h² = 2880

h² = 2880/5

h² = 576

h=24cm..

Height = 24cm

Since base = 5h

Base = 5×24

Base = 120cm...

Hope this helped....

Base =
4 0
3 years ago
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