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xxMikexx [17]
3 years ago
8

Solve using linear combination 5x+2y=10 3x+2y=6

Mathematics
1 answer:
defon3 years ago
8 0

Answer:

x=2, y=0

Step-by-step explanation:

2y=6-3x

5x+(6-3x)=10

2x+6=10

2x+4

x=2

Now plug in x to find y

5(2)+2y=10

10+2y=10

y=0

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tino4ka555 [31]

Answer:

X=22

Step-by-step explanation:

5 0
3 years ago
Austin borrowed money from a credit union for 4 years and was charged simple interest at an annual rate of 5% the total interest
Reika [66]

Given:

Rate of simple interest = 5%

Time = 4 years

Total interest = $160

To find:

The amount borrowed by Austin from a credit union.

Solution:

The formula for simple interest is:

I=\dfrac{P\times r\times t}{100}

Where, P is principal, r is the rate of interest and t is the number of years.

Putting I=160,r=5,t=4 in the above formula, we get

160=\dfrac{P\times 5\times 4}{100}

160=\dfrac{20P}{100}

160=\dfrac{P}{5}

Multiply both sides by 5.

800=P

Therefore, Austin borrowed $800 from a credit union for 4 years.

8 0
2 years ago
Allen has a photo that is 6 in by 8 in. What will the dimensions of the photo be if he scales it down by a factor of ? (5 points
Irina18 [472]

Answer:

It will be 3 in by 4 in

Step-by-step explanation:

Original dimension is 6 in by 8 in

If he scale it down by a factor of 1/2

The new dimension will be

1/2(6) by 1/2(8)

= 3 by 4

= 3 in by 4 in

7 0
2 years ago
Solve for the variable in the following inequality<br><br> 18 ≥ 6x
baherus [9]

Answer:

3 <u>> </u>x

Step-by-step explanation:

(Sorry if im wrong)

Divide both sides by 6

18/6 <u>></u> 6x/6

3 <u>></u> x

6 0
3 years ago
Given the function f(x) = 3|x – 2| + 6, for what values of x is f(x) = 18?
Radda [10]
C
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5 0
3 years ago
Read 2 more answers
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