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Sedbober [7]
2 years ago
9

Which is the graph of the function f(x) = 1/2x2 + 2x - 6?

Mathematics
1 answer:
Morgarella [4.7K]2 years ago
6 0

Answer:

1/2 x^2 + 2x - 6 = 0

(1/2 x - 1)(x + 6) = 0

zeroes are 2 and -6

so the graph intersects x axis at -6 and 2

The only one to do that is diagram A

Step-by-step explanation:

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Billie bikes 9 miles in 45 minutes. Which rates are equivalent to 9 miles in 45 minutes? Select all that app
Whitepunk [10]

The equivalent rate to 9 miles in 45 minutes is C. 13.5 miles in 67.5 minutes

<h3>How to calculate the value?</h3>

From the information, Billie bikes 9 miles in 45 minutes. It should be noted that this is:

9/45 = 1/5

Therefore, the equivalent option is:

13.5 miles in 67.5 minutes. It should be noted that when it's divided, it'll be 1/5

Therefore, the correct option is C

Learn more about computations on:

brainly.com/question/4658834

#SPJ1

3 0
2 years ago
For safety reasons, three different alarm systems were installed on the property of a famous movie star. Each of the three syste
Vitek1552 [10]

Answer: 0.992

Step-by-step explanation:

Given : The three systems detects when a trespass occurs with a probability of 0.98 independently of the others.

Then, the probability that system failed to detect a trespass = 1- 0.98 = 0.02

Since each system works independently ,

Then, the probability that none of 3 systems will detect =  0.2 x 0.2 x 0.2 = 0.008  

Then the  probability that when a trespass occurs, at least one of the systems will detect it

= 1- P( none of three systems detect)

= 1- 0.008=0.992

Hence, the probability that when a trespass occurs, at least one of the systems will detect it = 0.992

6 0
3 years ago
Which equation represents the line that passes through (0,8)and(2,0)
Lelu [443]
The answer is C.

y= -4x + 8
You can plug in your coordinates.


For (0,8), plug in the x and y values.
8 = -4(0) +8
8 = 0+8
8=8 so, this works

For (2,0) plug in your coordinates.
y = -4x + 8
0 = -4(2) + 8
0 = -8 + 8
0=0

If both coordinates work for the equation, then they pass through that line.
6 0
3 years ago
The table below gives the distribution of milk
nasty-shy [4]
0.14 I just sent the test
7 0
3 years ago
Only 9 members of the math club showed up for yesterday's meeting. This is only 20% of the total amount of members. How many tot
jek_recluse [69]

Answer:

There is a total of 45 members in the math club.

Step-by-step explanation:

What I did is I multiplied 9 by 5 and got 45. I multiplied 9 by 5 because the question stated that 9 students are 20%. 20% times 5 would be 100%, which would be the total number of students.

Hope this helped :)

3 0
3 years ago
Read 2 more answers
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