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klemol [59]
3 years ago
7

Complete the missing value in the solution to the equation: 7 + 5x = =3(y-2) ( ,5)

Mathematics
1 answer:
mafiozo [28]3 years ago
7 0

Answer:

x = 2/5

Step-by-step explanation:

Given:

7 + 5x = 3(y-2)

Rearrange this equation such that x is expressed in terms of y

7 + 5x = 3(y-2)   (expand right side)

7 + 5x = y(3)-2(3)

7 + 5x = 3y-6   (subtract 7 from both sides)

5x = 3y - 6 - 7

5x = 3y - 13

we are given the y-value of the coordinate pair (? , 5)

simply substitute y=5 into the equation above

5x = 3y - 13

5x = 3(5) - 13

5x = 15 - 13

5x = 2   (divide both sides 5)

x = 2/5

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3.
Gwar [14]

Answer:

x = 3  and  x = -3

Step-by-step explanation:

In this problem, we are substituting for x.

Let us take a look at our given answers.

x = -13 and x = -3 would not work because the numbers would not add up to -5. Since we have the positive brackets (or whatever you call them.) surrounding the x variable, that means that all numbers that are plugged into x will be positive.

-13 will be turned into 13,

13 - 8  \neq  -5

So that is wrong.

x = 3 and x = 3 would work because plugging it in, all outcomes from the two numbers would be negative.

3 - 8 = -5

|-3|  - 8 = -5

True.

The third one won't work because of the same reasons as the first one.

Then, the last one would not work well because, there is a solution.

4 0
3 years ago
A striped ball has 6 purple and 5 yellow stripes which are all the same size. The radius of the spherical ball is 13 in. The sur
tiny-mole [99]

Answer:

https://bridgeprepriverview.com/ourpages/auto/2020/2/4/54307042/Student%20textbook.pdf

their is the link for the answers.

Step-by-step explanation:

5 0
3 years ago
What is the value of the expression 10 + (fraction 1 over 2)4 ⋅ 48?
EleoNora [17]
 Equation arrangement: 10 + [1/2]^4. 48
[1/2]^4 = 1/2 * 1/2 * 1/2 * 1/2 = 1/16
10 + [1/16] * 48
According to the law of BODMAS, we have to carry out multiplication operations before we carry out addition operations, therefore, we now have.
[1/16] * 48 = 3
Then, 10 +3 =13.
Thus, the final answer is 13.
5 0
3 years ago
Lucinda leaves money in her savings account for 8 years. She started with $800 and earned 3.5% interest compound annually. How m
wariber [46]
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8 0
3 years ago
The ratio 4/7 to 8/9 has the unit rate 9/14
Setler79 [48]

Answer:

Answer:

true

Step-by-step explanation:

4/7 = 8/9

= 4*9/7*8

= 36/56

= 2*2*3*3/2*2*2*7

= 9/14

proved

Step-by-step explanation:

6 0
3 years ago
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