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kaheart [24]
3 years ago
7

5x - y = 6 -2x +y = 8 What’s the answer

Mathematics
1 answer:
nevsk [136]3 years ago
4 0

Answer:

x= 4\frac{2}{3}

y= 17\frac{1}{3}

Step-by-step explanation:

5x-y=6\\-2x+y=8\\

Simplify, find the x-value first:

3x=14\\x=4\frac{2}{3}

Substitute x-value into any equation (i did the second equation) and simplify:

-2(4\frac{2}{3})+y=8\\ -9\frac{1}{3} +y=8\\

y=17\frac{1}{3}

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Merle Fonda opened a new savings account. She deposited $40,000 at 10% compounded semiannually. At the start of the fourth year,
IrinaVladis [17]
Use compound interest formula  F=P(1+i)^n twice, one for each deposit and sum the two results.

For the P=$40,000 deposit,
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Future value (at end of year 6),
F = P(1+i)^n = 40,000(1+0.05)^12 = $71834.253

For the P=20000, deposited at the START of the fourth year, which is the same as the end of the third year.
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3 years ago
The magnitude scale for earthquakes is based on powers of 10. A magnitude 8 earthquake represents 108, while a magnitude 3 earth
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A fivey sequence is a sequence of positive integers which adds up to 5. For example, 2, 2, 1 and 2, 1, 2 are two different fivey
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The total number of possible fivey sequences are; 6

<h3>How to solve a sequence?</h3>

We are told we are dealing with a fivey sequence which means that all the terms of the sequence must be positive integers and they must add up to 5.

Now, the possible numbers that can be used are;

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If we start with 3, number of possible sequences is; 1

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Read more about Sequence at; brainly.com/question/13612968

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