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elixir [45]
3 years ago
12

Solve using the quadratic formula. Select the correct solution. -7x=2x^2+9

Mathematics
1 answer:
gayaneshka [121]3 years ago
7 0

The answer to your question is B!

Have a wonderful day.

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katrin [286]
Your answer would be 6 cm
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3 years ago
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Which ordered peir is a solution of the equation?
omeli [17]

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ur sti]upid

Step-by-step explanation:

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3 0
3 years ago
The area of<br> this triangle<br> 'is 200 ft.<br> what does x<br> have to be?<br> 12ft
Sliva [168]

Answer:

200

Step-by-step explanation:

just add 200 around the whole thing

5 0
2 years ago
Fifteen percent of the students in seventh grade at western middlr school have perfect attendance. There are 220 students in sev
Degger [83]

Answer:

33 students


Step-by-step explanation:

Fifteen percent of the students in seventh grade at western middle school have perfect attendance. There are 220 students in seventh grade. How many have perfect attendance?

Fifteen percent in decimal from is 0.15.

You would then multiply that by the number of students; 220.

.15 * 220 =

One multiplied, you get 33.

Therefore, 33 students have perfect attendance.

8 0
3 years ago
What are 3 complex fractions that simplify to 1/4??
Aleksandr-060686 [28]
<span>Give 3 complex fractions that simplify to ¼
Complex fractions are bigger fractions that can be simplified into smaller fractions.</span> <span>=> First is 15 / 60
     15/60 = 1 /4
=> second is 50/200
50/200 = 1 / 4
=> Third is 43/172
43/172 = 1 / 4

There are many possible answer. There are infinite complex fractions that can be simplified to 1 /4. I only gave 3 examples to show how simplified fraction works.</span>



3 0
3 years ago
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