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Temka [501]
3 years ago
5

It takes Audrey 3/5 hour to paint 2/5 square yards of wood to be used for making shelves. How many square yards can she paint in

1 hour? Enter your answer in the box as a fraction in simplest form.
Mathematics
1 answer:
ivanzaharov [21]3 years ago
5 0
This is how I would do it;

Convert to minutes 3/5 *60 = 36
Convert this to decimal 2/5 = 0.4


Then;

if it takes 36 mnts to paint 0.4yd^
in 60 mnts x yd^
___________________

60 x 0.4 / 36 = 0.66666667

convert back to fraction = 2/3 yd^ in 1hr
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A triangle is inside a circle where the triangle's base is on the circle's diameter as shown. What is the area of the shaded reg
mr Goodwill [35]
I think the shaded region for this problem will the part of the circle that is not covered by the triangle. First, determine the area of the circle by the equation,
                                   A = πD²/4
Substituting the given diameter,
                                  A = π(16 ft)²/4 = 200.96 ft²
Then, determine the area of the triangle with the equation,
                                    A = bh/2
Since the base of the triangle is the diameter, b = 16 ft. Then, its height will be half the height and that will be equal to 8 ft. Substituting,
                                  A = (16 ft)(8 ft) / 2 = 64 ft²
The difference between the two areas is 136.96 ft².
5 0
3 years ago
Read 2 more answers
Josue broke a cell sample into 12 batches, each weighing 6.9 x 10 ^-10
Klio2033 [76]

Using proportions, it is found that the original sample weighed 8.28 \times 10^{-9} grams.

  • This question is solved by <em>proportions</em>, using a rule of three.
  • The weight of 1 batch, in grams, is of 6.9 \times 10^{-10}. How much do the sample of 12 batches weigh?

The rule of three is:

1 batch - 6.9 \times 10^{-10} grams.

12 batches - x grams

Applying cross multiplication:

x = 12 \times 6.9 \times 10^{-10} = 82.8 \times 10^{-10}

Applying scientific notation:

8.28 \times 10^{-9}

The original sample weighed 8.28 \times 10^{-9} grams.

You can learn more about proportions at brainly.com/question/24372153

5 0
3 years ago
Read 2 more answers
Jill has a poster hanging in her room whose width is 212 in. shorter than its length. The perimeter of the poster is 103 in. How
zhuklara [117]
The poster is a rectangle. 
P = 2 L + 2 W
where L is the length and W is the width of a rectangle.
L = W + 2 1/2 = W + 2.5
103 = 2 ( W + 2.5 ) + 2 W
103 = 2 W + 5 + 2 W
103 = 4 W + 5
4 W = 103 - 5
4 W = 98
W = 98 : 4
W = 24.5 in
L = 24.5 + 2.5
L = 27 in
Answer:
The poster is 27 inches long and 24.5 inches wide.
4 0
3 years ago
Please help with this math problem I’ll mark you brainiest
Genrish500 [490]
SRW= 116
SRT= 58
I think, I’m not sure !
3 0
3 years ago
You go to a store and buy a soda, the store charges a 7.4% sales tax on your purchase. If the soda costs $3.79 how much will you
marin [14]

Answer:

it would be 3.84

Step-by-step explanation:

edge

4 0
3 years ago
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