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Gennadij [26K]
3 years ago
6

In a classroom of 31 students, 3 students say their favorite sport is football, 2

Mathematics
1 answer:
Gre4nikov [31]3 years ago
5 0

Answer:

a) The probability is 23/31. There are 31 total students, and 23 like soccer the best.

b) The probability is 8/31. There are 31 total students, and 31-23 = 8 don't like soccer the best.

c) The probability is 28/31. There are 31 total students, and 31-3 = 28 don't like swimming the best.

d) The probability is 2/31. There are 31 total students, and 2 like lacrosse the best.

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A rectangular box has length x and width 3. The volume of the box is given by y = 3x(8 – x). The greatest x-intercept of the gra
CaHeK987 [17]

Consider rectangular box with

  • length x units (x≥0);
  • width 3 units;
  • height (8-x) units (8-x≥0, then x≤8).

The volume of the rectangular box can be calculated as

V_{box}=\text{length}\cdot \text{width}\cdot \text{height}.

In your case,  

V_{box}=3\cdot x\cdot (8-x).

Note that maximal possible value of the height can be 8 units (when x=0 - minimal possible length) and the minimal possible height can be 0 units (when x=8 - maximal possible length).

From the attached graph you can see that the greatest x-intercept is x=8, then the height will be minimal and lenght will be maximal.

Then the volume will be V=0 (minimal).

Answer: correct choices are B (the maximum possible length), C (the minimum possible height)

7 0
3 years ago
PLEASE HELP I dont know WHAT IM DOING! THANK YOU!
jeka57 [31]
I think the answer would be

X=1.5
Y= -10 or -12 or 12

Sorry I'm not sure
6 0
3 years ago
Read 2 more answers
The Human Resources manager at a company records the length
luda_lava [24]

Answer:

the correct answer is 0.84

give brainliest plzzz

6 0
3 years ago
Lin runs 5 laps around a track in 8 minutes.
andrezito [222]

Answer:

To run one lap Lin takes 1.6 minutes.

Step-by-step explanation:

To find this answer you would do 8 divided by 5. Always remember when dividing time goes first unless the instructions / directions / your teacher says differently. So, when you do 8 divided by 5 the answer you get is 1.6, and there is your answer. Also to check your answer you can do 1.6 times 5, and you get 8, so you know that 1.6 is the correct answer.

5 0
3 years ago
Need help answering these questions need the answers
Vladimir79 [104]

Answer:

The answer to your question is below

Step-by-step explanation:

Number 9.

To find x use the law of sines

                   sin x / 8 = sin 95 / 12

Solve for sin x

                   sin x = 8 sin 95 / 12

                   sin x = 0.664

                        x = 41.6°

Number 10

To find x use law of cosines

                    x² = 6² + 8² - 2(6)(8)cos100

                    x² = 36 + 64 - 96(-0.174)

                    x² = 100 + 16.67

                    x² = 116.67

                   x = 10.80

5 0
3 years ago
Read 2 more answers
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