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harkovskaia [24]
3 years ago
6

Two years ago, my age was four times that of my son. Eight years ago, my age was 10 times that of my son. If we call the age of

my son now, x years:
A.) write down in terms of x, my age two years ago and eight years ago.
B.) Form an equation involving x.
C.) Solve the equation to find the age of my son now.
Mathematics
1 answer:
lianna [129]3 years ago
5 0
A would be the correct answer you need to know his age from four and eight years ago to solve the problem
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Write the standard equation for the circle 30. Center (2,7), r=4. 31. Center (-6,-8), that passes treough (0,0)
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The standard equation of the circle is:

(x-h)^2+(y-k)^2=r^2 where (h,k) it the center of the circle and r is the radius...

so

30.

(x-2)^2+(y-7)^2=16

31.

We need to find the radius...(I'll just use the Pythagorean Theorem)

r^2=6^2+8^2

r^2=36+64

r^2=100  (so the radius is 10) and its center is (-6,-8) so

(x+6)^2+(y+8)^2=100
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Where is the question?? I'll be glad to answer in the comments once the question is given. Hope to hear from you!

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A commuter van has 38 seats and 14 windows. how many windows are in 6 commuter van?
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3 years ago
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Maya is packing her backpack for hike in one pocket she puts in 1/4 pound bag of trail mix a water bottle weighing 2 1/5 pounds
xz_007 [3.2K]
This problem is simply asking us to add the weights which are presented as fractions. You can easily get the answer if you input them directly in a calculator. But I think the challenge here is to manually add fractions.

Let's add the two 1/4 lb weights because it is easier for they have a common denominator. Just simply add the numerators.

1/4 + 1/4 = 2/4

Then, add with this the fraction part of 2 1/5.

2/4 + 1/5 = ?
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3 years ago
In this circle, the area of sector COD is 50.24 square units. The radius of the circle is units , and units.
maks197457 [2]

Let angle be alpha

\\ \rm\Rrightarrow Area=50.24

\\ \rm\Rrightarrow \dfrac{\alpha}{360}\pi r^2=50.24

\\ \rm\Rrightarrow \alpha 3.14r^2=18086.4

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\\ \rm\Rrightarrow r=\sqrt{\dfrac{5760}{\alpha}}

If you have angle measure in degree put in place of Alpha and get the value elaw this is our final answer

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