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sweet [91]
3 years ago
14

Find the solution to the system of equation 8x-4y=16 8x+4=16

Mathematics
1 answer:
Yuliya22 [10]3 years ago
3 0

Answer:

1.5 or infinite

Step-by-step explanation:

For the second one, 8x+4=16, suppose x is 1.5 (1 1/2), then 8x1.5 is 12, then 12+4 is 16.

As for the first one, their is infinite possibilities. If x equals 3 and y is 2, then 8x3=24 and 4x2=8, and 24-8=16. Another example is if x equals 4 and y is 4. Then 8x4=32 and 4x4=16, then 32-16=16. And one final example to make sure you understand. X equals 10 and y equals 20. 8x10=80 and 4x16=64, then 80-64=16.

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Use percents to compare attendance at two concerts: 299 people attended the first concert, while 949 attended the second. pls he
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At the second concert, there were 217% more people than in the first concert.

<h3>What are percentages?</h3>

Percentage can be described as a fraction out of an amount that is usually expressed as a number out of hundred. The sign used to represent percentages is %.

<h3>What is the comparison between the two concerts?</h3>

Number of people who attended the second concert compared to the first concert = (949/299) - 1 x 100 = 217%

To learn more about percentages, please check: brainly.com/question/25764815

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4 0
3 years ago
Read 2 more answers
5-2(4a+1)+3a=13 <br><br> A= 2/3<br> A= -2<br> A= -6/5<br> A=2
VMariaS [17]

Answer:

                   a = -2

Simplifying 5 + -2(4a + 1) + 3a = 13 Reorder the terms: 5 + -2(1 + 4a) + 3a = 13 5 + (1 * -2 + 4a * -2) + 3a = 13 5 + (-2 + -8a) + 3a = 13 Combine like terms: 5 + -2 = 3 3 + -8a + 3a = 13 Combine like terms: -8a + 3a = -5a 3 + -5a = 13 Solving 3 + -5a = 13 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -5a = 13 + -3 Combine like terms: 3 + -3 = 0 0 + -5a = 13 + -3 -5a = 13 + -3 Combine like terms: 13 + -3 = 10 -5a = 10 Divide each side by '-5'. a = -2

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3 years ago
An investment account plays 3.7% annual interest compound weekly. If $370 is invested in this account, what will be the balance
MAXImum [283]

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2 years ago
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