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Dimas [21]
3 years ago
5

Image 1image 2image 3none ​

Mathematics
1 answer:
Talja [164]3 years ago
7 0
I’d assume image 1 since it’s a combination of multiple substances or a mixture.
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Helppppp pls simple algebra hella points show your work
Dmitry_Shevchenko [17]

Answer:

y = -7,   y = -3

Step-by-step explanation:

(y - 3)² = 2y² + 4y + 30

expand:

y² - 6y + 9 = 2y² + 4y + 30

subtract 30 from both sides

y² - 6y + 9 - 30= 2y² + 4y + 30 - 30

simplify:

y² - 6y - 21 = 2y² + 4y

subtract 4y from both sides

y² - 6y - 21 -4y = 2y² + 4y - 4y

simplify:

y² - 10y - 21 = 2y²

subtract 2y² from both sides

y² - 10y - 21 - 2y² = 2y² - 2y²

simplify:

-y² - 10y - 21 = 0

solve y by quadratic equation

         - (-10) ± √ (-10² - 4(-1)(21)

y = --------------------------------------

               2(-1)

y = -7,   y = -3

5 0
3 years ago
Read 2 more answers
Please help explain each problem thank you have a great day
boyakko [2]
Part A. 250+45a=t
That's because 'a' is the variable in which we don't know how many appointments she will have. 'a' times the $45 would be in the equation. Then you would have to add the $250 for the tests and medicines.So 250+45a=t
Part B.(250+45a)-(25%*t).
That's because the first set in parentheses is the total cost. You would have to subtract that buy the discount times the total cost which represents the the second set of the equation.:)
Part C.25%*6 appointments equals 1.5. You have to solve (250+45) and then multiply 25%*6.That product plus (250+45) would be your final answer.U won't tell you the answer because it would help.U would need explanation.This is how I would answer the question.Hope this helped
8 0
3 years ago
PLEASE HELP!!!!!The table below shows the data for a random sample of fish that were collected from and later released into a la
dmitriy555 [2]

Answer:B

Step-by-step explanation:

All you have to do is multiply

8 0
3 years ago
HELP ME OUT PLEASE URGENT
gizmo_the_mogwai [7]
I think its 10



Correct me if im wrong

But all u have to do is multiply 2.5 x 4=10
7 0
3 years ago
Juan is drawing the two-dimensional net of a rectangular solid, but he made a mistake. What error did Juan make, and how can he
dsp73

Answer:

D.The prism is missing a sixth face, which should be colored white.

Step-by-step explanation:

The shape does not have 2 bases in the picture showed. Therefore, it needs another white square.

Hope it helps! have a good day! :)))))

7 0
3 years ago
Read 2 more answers
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