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soldier1979 [14.2K]
3 years ago
15

Select all of the following that are quadratic equations.​

Mathematics
2 answers:
Nesterboy [21]3 years ago
5 0

Answer:

x^2 -2x = 4x+1

2x^2 +12x = 0

9x^2 +6x -3=0

Step-by-step explanation:

A quadratic equation has the highest power of x being squared

x^2 -2x = 4x+1

2x^2 +12x = 0

9x^2 +6x -3=0

These are all quadratic equations

avanturin [10]3 years ago
5 0

Answer:

a,d,f

Step-by-step explanation:

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Please help me please.
shtirl [24]

Answer:

The first one is 79

The second one is 26

I hope this helped! :D

Step-by-step explanation:

For the first one you just plug in 23 into x so it would be 3(23) + 10 = x

For the second one you just plug in 88 into g so it would be 88 = 3x + 10

6 0
3 years ago
on monday 3.11 inches of rain fell and on tuesday 0.81 inch of rain fell. on wensday,twice as much rain fell as tuesday. How muc
pshichka [43]

Answer:

5.54 inches of rain

Step-by-step explanation:

Monday - 3.11

Tuesday - 0.81

Wednesday - 0.81 x 2= 1.62

3.11 + 0.81 + 1.62=5.54 inches

4 0
3 years ago
What is the equation to this?
Fiesta28 [93]
THE EQUATION TO THIS PROBLEM IS y=2x+12
7 0
3 years ago
Read 2 more answers
What is 35 liters in milliliters
Evgesh-ka [11]
The answer is 35,000
6 0
3 years ago
14 and 15, please :p explanation would also be appreciated!!
liraira [26]
14. B (4, -2)
15. I am not exactly sure about this one but I would say either A or B.
8 0
3 years ago
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