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VMariaS [17]
3 years ago
9

Solve the equation for y. Type out your steps to solve this problem as you are showing your work:

Mathematics
2 answers:
Nadya [2.5K]3 years ago
8 0

Answer:

-13/2

Step-by-step explanation:

7(y+3)=5y+8

7y+21=5y+8

7y-5y+21=8

2y+21=8

2y=8-21

2y=-13

y=-13/2

posledela3 years ago
4 0

Answer:

y = -6.5

Step-by-step explanation:

simplify: 7y+21=5y+8

put like-terms together and simplify: 2y=-13

(like-terms: 7y-5y=8-21)

divide both sides by 2: y=-6.5

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The point (-3, -5) is on the graph of a function. Which equation must be true regarding the function?
Alecsey [184]

Answer:

f(- 3) = - 5

Step-by-step explanation:

Given the point (- 3, - 5)

where x = - 3 is the input and y = - 5 is the output

The function can be represented by

y = f(x), that is

f(- 3) = - 5

3 0
4 years ago
Choose the correct right-hand side to make the equation an identity.<br><br> cotx/secx=?
mojhsa [17]
Cot(x)sec(x) =
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7 0
3 years ago
Systems By Graphing - Solve All Correctly For a Thanks, 5-Stars, And A Brianliest!
BartSMP [9]

Answer:

Step-by-step explanation:

Amari= Graph C and Solution is (-6,-2)

Bella= Graph A and Solution is (3,4)

Carl= Graph B and Solution is (0,-3)

0 solutions because the slopes are the same. The lines will never cross because they are at the exact same angle.

No, I do not agree with Joey because the lines have different slopes and will lead to the system cross which is the solution.

1st graph: y=2x-1 and y=7 solution #1= (4,7)

2nd graph: y=-2x-3 and y=1/2x solution #2= (-2,1)

3rd graph: y=x and y= -1/5+6 solution #3= (5,5)

I had this exact same assignment a few months ago, my teacher didn't use the 2nd slide but I had the 1st and 3rd slide so this should help!

4 0
3 years ago
What are the zeros of f(x)=x^2-10+25
BartSMP [9]
Answer:
-5

Explanation:
Because it’s right
7 0
3 years ago
Ten years ago,a father was five times as old as his son.their combined age now is 80.find the age of the son​
Andreas93 [3]

Answer:

The son is now 20. The father is now 60

Step-by-step explanation:

The son was 10, ten years ago. Five times that was 50 years, the age of the father. Now they have both aged 10 years, and the son is 20 and the father is 60. Add them together, and it makes 80.

CAN EXPLAIN FURTHER

appreciate brainliest but it doesn't matter

8 0
3 years ago
Read 2 more answers
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