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Mathematics

2 answers:

artcher [175]2 years ago

7 0

Answer:

Step-by-step explanation:

It's a probability, divide favorable outcomes to total outcomes

prohojiy [21]2 years ago

6 0

Answer:

14%

Step-by-step explanation:

There are 7 sections of equal size.

The total number of possible outcomes is 7.

There is one single outcome that is desired, landing on 7.

probability of an event = (number of desired outcomes)/(total number of possible outcomes)

p(7) = 1/7 = 0.142857... = 14%

Answer: 14%

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If a rectangle is 2 meters more than its width, and the area of it is 80 square meters, what is the length and width?

bezimeni [28]

Ok I think it means that the length $l$ of the rectangle is 2 m more than is width $w$ ...
The area is A= $l*w=(w+2)*w=80$
so: $w^{2} +2w-80=0$
Solving this equation (using the quadratic formula) you get 2 solutons. The only acceptable is the positive one, i.e. $w=8 m$ , the length will then be $l=w+2=8+2=10m$ .

6 0

2 years ago

Which number is prime? 63 51 61 57

kondor19780726 [428]

Hey there!

No numbers go into a prime number other than one and that number. 9 and 7 go into 63, so it’s not 63. 3 and 17 go into 51, so it’s not 51. 19 and 3 go into 57, so it’s not 57. That leaves 61. Nothing goes into this other than one and 61, so the answer is 61.

I hope this helps!

7 0

3 years ago

2. What is the value of x? A. 17 B. 39 C. 26 D. 41

creativ13 [48]

41 a squared plus b squared equals c squared so it would be 41 have a nice day

8 0

2 years ago

Is this answer correct?

lakkis [162]

Answer:

yes

Step-by-step explanation: