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bekas [8.4K]
3 years ago
14

a painter can paint 20 windows in one day. If he has to paint 50 pairs of windows how much time will he take to paint

Mathematics
1 answer:
vazorg [7]3 years ago
5 0

Answer:

50*2=100

100/20=5

The answer is 5 days!

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How to solve for x using the equation: 12 = -4 (- 6x - 3)
Zarrin [17]
I don’t know how to explain it so I am just giving the equation

12=-4(-6x-3x)
Divide both sides by 4
12/4=-4(-6x-3x)/4
3=-4(-6x-3x)/4
3=-(-6x-3x)
3=9x
9x/9 = 3/9
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AREA
natka813 [3]

Answer:

Show the figure

Step-by-step explanation:

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3 years ago
FACTORIZE AND Split the middle term: 72 + b - b^2​
seraphim [82]

Answer:

- (b - 9)(b + 8)

Step-by-step explanation:

72 + b - b² ← factor out - 1 from each term and rearrange into standard form

= - (b² - b - 72) ← factor the quadratic

Consider the factors of the constant term (- 72) which sum to give the coefficient of the b- term (- 1)

The factors are - 9 and + 8

Use these factors to split the b- term

b² - 9b + 8b - 72 ( factor the first/second and third/fourth terms )

b(b - 9) + 8(b - 9) ← factor out (b - 9) from each term

(b - 9)(b + 8)

Then

72 + b - b² = - (b - 9)(b + 8)

7 0
2 years ago
What is the rule for the following geometric sequence? 64, -128, 256, -512...
Elena-2011 [213]

Answer:

The previous number keeps getting multiplied by - 2

Step-by-step explanation:

64 ×-2 = -128

-128 × -2 = 256

256 × -2 = -512

7 0
2 years ago
The formula for percentage increase I (given as a decimal) of an investment is I=S−PP, where P is the purchase price and S is th
sattari [20]
18.75/75=(75/75) -
p =(75-18.5)/75
p=56.5/75
p=0.75(3recurring)
5 0
2 years ago
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