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rjkz [21]
3 years ago
5

12 1/3 square feet in 1/5 of an hour. How many square feet can she paint in one hour

Mathematics
2 answers:
bezimeni [28]3 years ago
6 0

Answer:

30 5/6 square feet

Step-by-step explanation:

alexandr402 [8]3 years ago
5 0

Answer:

30 5/6 square feet

Step-by-step explanation:

First you need to know how much she can paint in 1/5 hour. So you're going to be dividing mixed numbers. To do that you need to make 12 1/3 a fraction:

12*3=36

36+1=37

12 1/3= 37/3

Divide by 2. With fractions you flip the second and multiply

37/3 ÷ 2/1 = 37/3 *1/2

Multiply top by top bottom by bottom

37*1=37

3*2=6

37/6 is what she can paint in 1/5 hour

Now you need to multiply that by 5 (5/5= 1 which means a full hour)

So we use 5/1 to multiply by 5 in fraction form.

37/6 * 5/1

37*5=185

6*1=6

Now simplify (turn it back into a mixed number)

185/6= 185÷6

30 with a remainder of 5

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Let us find out 112 is what percent of 350.

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4 0
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Help I need help on this question
nikitadnepr [17]

Answer:

x = 8

FE = 54

Its Acute, Isosceles triangle

Step-by-step explanation:

Well you have to do this out of order and use some knowledge about questions, (It always helps.)

Lets do 12 first:

If this were a scalene triangle, you wouldn't be able to solve for it. Because no sides are equal and this isn't equilateral, because it only shows two equal angles. Therefore it is Isosceles.

Also, if this were a right triangle we would see the little square for an angle. It isn't obtuse because if you look at the triangle and its angles it isn't wider than the square (this only works on the ones that are to scale like this one) So again by elimination and some knowledge of the question we figure out that it is an acute scalene triangle

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Add 24 on both sides

8x - 24 = 40

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And Voilla

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Hope this helped! Ask me if you have any further questions!

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