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teesoprettyy
28.06.2019 •
Mathematics
Solve the system of linear equations by graphing. x−y=7 0.5x+y=5
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Ответ:
Hope this helps!
Step-by-step explanation:
Ответ:
the answer is d.
Step-by-step explanation:
first, you want to use the formula,
new value - original value
original value * 100
you see that 84 is the new value and 79 would be the original value. substitute the numbers in. this is a increase since you will get a positive value.
84 - 79
79 * 100
now we solve it.
5
__
79 * 100
you can either solve the fraction first then multiply that by 100 or multiply the numerator by 100 first then divide that by 79, each way works.
500
79 = approximately 6.3% increase (this is not a exact value, just rounded)
or
5
__
79 = approximately 0.063 (this is not a exact value, just rounded)
0.063 * 100 = 6.3% increase