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Akimi4 [234]
3 years ago
5

HELP ME PLEASE!!!! I NEED THE ANSWER ASAP

Mathematics
1 answer:
Elza [17]3 years ago
7 0
Yes
2828.
One says 28 is less than x and the other say x is more than 28.
It's just written in a different order is all.
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Of the students who play sports, what percent do not have a job? (Do not put a % symbol in your answer.)
DIA [1.3K]

Answer:

20 percent

Step-by-step explanation:

25 students play sports

5 out of 25 students play sport and have no job

so 5/25

5/25= 1/5

1/5 = 20%

6 0
3 years ago
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Twelve education students, in groups of four, are taking part in a student-teacher program. Mark cannot be in the first group be
Rina8888 [55]
This is a combination problem.

Given:
12 students
3 groups consisting of 4 students.
Mark can't be in the first group.

The combination formula that I used is: n! / r!(n-r)!
where: n = number of choices ; r = number of people to be chosen.

This is the formula I used because the order is not important and repetition is not allowed. 

Since Mark can't be considered in the first group, the value of n would be 11 instead of 12. value of r is 4.

numerator: n! = 11! = 39,916,800
denominator: r!(n-r)! = 4!(11-4)! = 4!*7! = 120,960

Combination = 39,916,800 / 120,960 = 330

There are 330 ways that the instructor can choose 4 students for the first group


8 0
3 years ago
Read 2 more answers
A disc is thrown into the air with an upward velocity of 20 ft/sec. Its height h in feet after t seconds is given by the functio
labwork [276]

Answer:

Time t = 1.39 seconds

Step-by-step explanation:

Given;

Initial velocity v = 20 ft/sec

height equation;

h = -16t^2 + 20t + 6

How long does it take for the disc to be caught 3 feet off the ground;

At this point h = 3

Substituting h = 3 into the height equation;

3 = -16t^2 + 20t + 6

-16t^2 + 20t + 6 - 3 = 0

-16t^2 + 20t + 3 = 0

Solving the quadratic equation;

t = 1.39 or t = -0.14

Since t cannot be negative;

Time t = 1.39 seconds

3 0
3 years ago
Helpppppppppppppopnanannsnsnnsnakaknfnsn
ioda

Step-by-step explanation:

y=107(vertically opposite angles)

x=180-107=73(angles on a straight line)

z=73(vertically opposite angles)

6 0
2 years ago
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Jim and Mark start at the same place jim walks 15ft West and Mark Walks 12 feet North how far apart are the boys when they finis
r-ruslan [8.4K]
The two points where they end and the point where they start form a right triangle, one leg is 12, the other leg is 15, you need to find the hypotenuse.
use the Pythagorean theorem: 12²+15²=c²
c≈19
they are about 19 feet apart.

3 0
3 years ago
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