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Serhud [2]
3 years ago
6

10

Mathematics
1 answer:
Mamont248 [21]3 years ago
4 0

Answer:

scott is 14 years old

Step-by-step explanation:

ron-2x

scott-x

tom- x-3

2x+x+x-3=53

4x-3=53

4x=56

x=14

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Use limits to find the area of the region bounded by the graph f(x)=4-2x^3 , the x-axis , and the vertical lines x=0 and x=1
gtnhenbr [62]

Answer:

\frac{7}{2} square units.

Step-by-step explanation:

We have to use limits to find the area of the region bounded by the graph f(x) = 4 - 2x^{3} , the x-axis, and the vertical lines x=0 and x=1.

So, the area will be

A = \int\limits^1_0 {(4 - 2x^{3})} \, dx

= [4x - \frac{x^{4}}{2} ]^{1} _{0}

= 4 - \frac{1}{2}

= \frac{7}{2} square units. (Answer)

3 0
4 years ago
What is the solution to the equation 7/8 (x-1/2)= -49/80
Whitepunk [10]
Step One 
Multiply both sides by 80
7/8(x - 1/2)*80 = (-49/80) * 80

Step Two
7(x - 1/2 ) * 10 = - 49                Divide both sides by  7
(x - 1/2) * 10 = -49/7   
(x - 1/2) * 10 = - 7                       Remove the brackets on the left.
10x - (1/2)*10 = -7
10x - 5 = - 7                                Add 5 to both sides.
10x = -7 + 5
10x = -2                                   Divide by 10
x = -2/10 
x = - 0.2

Step Three
Check
We better check this one.
7/8*(-0.2 - 1/2)
7/8* (-.2 - 0.5)
7/8* (-0.7)   
- 4.9/8 Now you can do one of two things. The easiest and simplest is to multiply top and bottom by 10

-4.9*10 / 8 * 10
-49 / 80 Which is the same as the right hand side.
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3 years ago
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8 0
3 years ago
Please help
sweet [91]
40% (I think). Just chat me if you want an explanation :)
4 0
4 years ago
Read 2 more answers
Even questions please
andreyandreev [35.5K]
What do you mean by even
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