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hichkok12 [17]
3 years ago
12

Two thirds divided by one quarter

Mathematics
1 answer:
Stells [14]3 years ago
6 0

Answer:

2.66666666667

Step-by-step explanation:

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Vaselesa [24]

Let m and h represent hours Mai spends mowing and hauling, respectively. Then (m+h) will be the number of hours Priya spends babysitting. In order for their earnings to be equal, we must have  

 7m +14h = 8.40(m+h)

 Subtract 7m+8.40h:  5.60h = 1.40m

 Divide by 1.40:  m = 4h

Then the total number of hours worked by either person is

 m + h = (4h) +h = 5h

When only whole numbers of hours are worked, the smallest number of hours that will make earnings equal is 5h, with h=1, or 5 hours. In that time, each will earn 5×$8.40 = $42.

Therefore, each of them must work 5 hours and earn $42 before they go to the movies and Mai will work 4 hours mowing and 1 hour hauling.

5 0
2 years ago
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There are 100 students in the 4th grade. 5 of these students are absent today. Write a decimal to show the part of the students
Thepotemich [5.8K]
The answer to the question

7 0
3 years ago
How do you rewrite y=2(x+1)^2+4 in standard form ?
xxMikexx [17]

Answer:

y = 2x^2 + 4x +6

3 0
2 years ago
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Enter an inequality to represent this situation: Nina wants to take at least $33 to the movies. Use d as your variable. The ineq
Svetllana [295]

Answer:

d \ge 33

Step-by-step explanation:

Given

Amount = 33

Required

Represent as inequality

At least means \ge i.e. greater than or equal to.

So, the inequality is:

d \ge Amount

Substitute Amount = 33

d \ge 33

6 0
3 years ago
What are the roots for<br> x^2+47=3<br><br> 2x^2+50=4<br><br> 2x^2+85=7
erastovalidia [21]
x^2+47=3\ \ \ |-47\\x^2=-44\\if\ x\in\mathbb{R}\ then\ x\in\O\\if\ x\in\mathbb{C}\ then\ x=\sqrt{-44}=i\sqrt{44}=i\sqrt{4\cdot11}=\boxed{2\sqrt{11}i}\\---------------------------\\2x^2+50=4\ \ \ |-50\\2x^2=-46\ \ \ \ |:2\\x^2=-23\\if\ x\in\mathbb{R}\ then\ x\in\O\\if\ x\in\mathbb{C}\ then\ x=\sqrt{-23}=\boxed{\sqrt{23}i}\\---------------------------\\2x^2+85=7\ \ \ |-85\\2x^2=-78\ \ \ \ |:2\\x^2=-39\\if\ x\in\mathbb{R}\ then\ x\in\O\\if\ x\in\mathbb{C}\ then\ x=\sqrt{-39}=\boxed{\sqrt{39}i}
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3 years ago
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