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gavmur [86]
2 years ago
15

If Gloria were to paint her living room alone, it would take 4 hours. Her sister Angela could do the job in 6 hours. How many ho

urs would it take them working together? Express your answer as a fraction reduced to lowest terms, if needed.
Mathematics
1 answer:
Aleksandr-060686 [28]2 years ago
4 0

Answer:

2 hours and 24 minutes

Step-by-step explanation:

1/6 + 1/4 = 2/12 + 3/12 = 5/12

5/12 = 1/x

5/12x = 1

5x = 12

x = 2.4

2 hours, 24 minutes

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Verizon [17]
Slope = (5 + 4)/(2 +1) = 9/3 = 3

y = mx + b
5 = 3(2) + b
b = -1

equation
y = 3x - 1

answer
y = 3x - 1
8 0
3 years ago
Marta puts 4.87 in her coin bank. Each day she added 1 quarter, 1 nickel , and 3 pennies. How much money was in her coin bank af
Diano4ka-milaya [45]
The answer is $6.85
Every day she puts in .33 cents.
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1.98+4.87=6.85
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7 0
2 years ago
A circle with radius of 5 cm sits inside a 11 cm * 11 cm rectangle.
Nadusha1986 [10]

Answer:

42.43  cm^{2}

Step-by-step explanation:

Given:

A circle with a radius of 5 cm sits inside a 11 cm x 11 cm rectangle.

Question asked:

What is the area of the shaded region as shown in the figure ?

Solution:

First of all calculate area of circle and then area of rectangle:-

Area\ of\  cirle=\pi r^{2}

                      =\frac{22}{7} \times5\times5\\ \\ =\frac{550}{7}\\  \\=78.571\   cm^{2}\\

<u>As here length an width both are 11 cm, we can say that this is a square.</u>

<u />Area\ of\ square=(Side)^{2}

                         =11\times11=121\ cm^{2}

Now, area of shaded region = Area of square - Area of circle

                                               = 121 - 78.571 = 42.429 cm^{2}

Therefore, the area of the shaded region will be 42.43  cm^{2}

Download docx
5 0
3 years ago
Consider a function of the form f(x) = 7x^2 + ax, where a is a real number. What is the difference quotient of f(x) for all nonz
mihalych1998 [28]

Answer:

c

Step-by-step explanation:

6 0
2 years ago
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Jane made a door frame for the house but does not have a tool to measure the angles. How can she check that the corner is 90 deg
Marina CMI [18]

Answer:

don't know sorry

Step-by-step explanation:

dont know sorry

5 0
2 years ago
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