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Inessa [10]
3 years ago
13

Solve each system by multiplying. Check ur answer.

Mathematics
1 answer:
kondor19780726 [428]3 years ago
7 0
Multiply all terms in the first equation by 2 and all terms in the second by 3.
You should obtain:

6x + 16y = 34
-6x + 27y = 9
------------------
       43y =43, and so y = 1.  Subbing 1 for y in the first eq'n, we get

3x + 8(1) = 17, or 3x = 9, or x = 3.

The solution is (3, 1).
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6x+8-4 =3x<br> ———<br> 2<br> help and explain please!
Nataly [62]
6x+8-4=3x
6x-3x=4-8
3x=-4
x=-4/3
7 0
3 years ago
A circle's area is directly proportional to its radius squared.
motikmotik

9514 1404 393

Answer:

  3.14

Step-by-step explanation:

The formula for the area of a circle is ...

  A = πr²

The constant of proportionality is the constant in this equation: π. To two decimal places, the value of π is 3.14.

The constant of proportionality is about 3.14.

5 0
3 years ago
Francis deposits $11,000 in an IRA. What will be the value of his investment in 9 years if the investment is earning 4.1% per ye
elena-s [515]

Answer:

$15,059

Step-by-step explanation:

4.1 x 9 = 36.9

36.9% of 11,000 = 4059

11,000 + 4,059 = 15,059

6 0
3 years ago
Read 2 more answers
If g(x) = x2 + 2, find g(3). 9 8 11 6
cestrela7 [59]

Answer

Find out the value of g(3)  by using the function g(x) = x² + 2 given in the question .

To proof

The function given in the question is

g(x) = x² + 2

Take  x = 3

put x = 3  in the  g(x) = x² + 2

than it becomes

g(3) = 3² + 2

solving the above

we get

g(3) = 9 + 2

g(3) = 11

Thus g(3) = 11  and option (c) is correct .

Hence proved


7 0
4 years ago
Read 2 more answers
What additional information is necessary to prove that SILY is a parallelogram
kirza4 [7]

Answer:

Are the sides parallel?

Step-by-step explanation:

8 0
4 years ago
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