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Leviafan [203]
3 years ago
9

Sara worked 24 hours last week. Joan worked for hours less than Sara, and Erin worked half as many hours as Joan. How many hours

did Sara, Joan, and Erin work last week?
Mathematics
1 answer:
Vaselesa [24]3 years ago
3 0
Sara worked 1 day last week
Joan worked for 20 hours last week
And Erin worked for 10 hours last week
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Ill mark brainlyist!!!!
kumpel [21]

Answer: 30%

Step-by-step explanation:

   First, we will put completed over the total.

\frac{12}{40}

   Now, we will divide.

0.3

   Lastly, we will multiply by 100 to turn it into a percent.

0.3 * 100 = 30%

         You have ridden 30% of the course.

7 0
2 years ago
Pleaseee Solve x? - 8x = 20 by completing the square. Which is the solution set of the equation?
gavmur [86]
The correct answer is A. -22,14
3 0
4 years ago
Find the area. Do you multiply all sides?
arlik [135]

Answer:

Step-by-step explanation:

I think you are to assume that this is a trapezoid and that the top right angle symbol is missing.

Area = (b1 + b2 ) *  h /2

Givens

b1 = 2

b2 = 6.2

h = 3

Solution

Area = (2 + 6.2)* 3 / 2           Combine what is inside the brackets

Area = 8.2 * 3 / 2                  Divide by 2

Area = 4.1 * 3                         Combine

Answer: Area = 12.3

3 0
3 years ago
Read 2 more answers
What is the volume of the composite figure?
sertanlavr [38]

Look at the picture.

We have 3 cuboids. The formula of a volume of a cuboid is:

V = Length × Width ×  Height = lwh

The cuboid 1 are congruent to the cuboid 2.

<h2>1&2</h2>

l = 9 in, w = 10 in, h = 10 in

V = (9)(10)(10) = 900 in³

<h2>3</h2>

l = 6 in, w = 10 in, h = 10 in

V = (6)(10)(10) = 600 in³

The volume of the composite prism:

V = 2(900) + 600 = 1800 + 600 = 2400 in³

8 0
3 years ago
64 video game ; 25% discount
oksano4ka [1.4K]
64 divided by 4 is 16. The answer is 16 I believe!

Edit: I realized you were asking for the cost. That would be 48. 64 - 16 = 48.
8 0
3 years ago
Read 2 more answers
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