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Licemer1 [7]
3 years ago
14

PLEASE HELP I DONT KNOw all THE DEFINITIONS TO THESE- MARK BRAINLIEST TOO

Mathematics
1 answer:
frozen [14]3 years ago
4 0

Answer:

Factor

−

1

out of

−

3

x

2

+

4

x

−

7

.

−

(

3

x

2

−

4

x

+

7

)

Step-by-step explanation:

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SOMEONE PLEASE HELP WILL MARK BRAINLIEST
Mashutka [201]

Radical form for 112 would be 4{7 and then I think you can just search up how to reduce the 4 to 7 i don’t have the symbol btw
4 0
3 years ago
What is the solution of \sqrt(2x+4)=16? <br> x = 6 <br> x = 72 <br> x = 126 <br> no solution
Genrish500 [490]
√(2x+4)=16  square both sides

2x+4=256  subtract 4 from both sides

2x=252  divide both sides by 2

x=126
4 0
3 years ago
For the problem, use the discriminant to determine the number of real solutions for the equation. Then, find the solutions and c
Ksivusya [100]

Answer:

Discriminant = 55.2 > 0 -> 2 real solutions

Solutions: t1 = -1.1663 s and t2 = 0.35 s

The solution t1 doesn't make sense for this problem, as we can't have a negative value for the time.

So the solution is t2 = 0.35 s

Step-by-step explanation:

To find the time when the ball will reach the height of 2 meters, we just need to use the value of h = 2 in the equation given. So, we have that:

−4.9t^2 − 4t + 4 = 2

−4.9t^2 − 4t + 2 = 0

For this equation, we have the constants a = -4.9, b = -4 and c = 2. So the discriminant Delta is:

Delta = b^2 - 4ac = 16 + 39.2 = 55.2

sqrt(Delta) = 7.4297

As Delta > 0, we have 2 real solutions

t1 = (-b + sqrt(Delta)) / 2a = (4 + 7.4297) / (-9.8)  = -1.1663 s

t2 = (-b - sqrt(Delta)) / 2a = (4 - 7.4297) / (-9.8)  = 0.35 s

Number of real solutions: 2

Solutions: t1 = -1.1663 s and t2 = 0.35 s

The solution t1 doesn't make sense for this problem, as we can't have a negative value for the time.

So the solution is t2 = 0.35 s

8 0
3 years ago
HELP PLEASE OR IM GONNA GET GROUNDED (brainiest and 50 points) no links please
vesna_86 [32]

Answer:

  • A. Either the mean or the median

Step-by-step explanation:

By looking at the graph, without any calculations we can state, the center is at  point 9, as well as the mean and the median.

The correct answer choice for the question would be A

7 0
2 years ago
The price of a skateboard is $55.00 What will the new price be after a<br> 17% decrease ?
lora16 [44]

Answer:$45.65$

Source:trust me bro

8 0
3 years ago
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