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iogann1982 [59]
2 years ago
9

A university has 33,660 students. In a random sample of 180 students, 12 speak three or more languages. Predict the number of st

udents at the university who speak three or more languages.
Mathematics
1 answer:
mart [117]2 years ago
5 0

Answer:

2244

Step-by-step explanation:

Divide 33660 by 180, Then when you get your quotient multiply that by 12 , which gives you 2244

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Miguel made 80 on his Math test. He made 95 in last week's Math test. What is the percent of change on his scores? (Round your
storchak [24]

Answer:

15.78 %

Step-by-step explanation:

It is given that,

Miguel made 80 on his Math test. He made 95 in last week's Math test.

We need to find the percent change on his scores. It can be calculated as follows :

\%=\dfrac{\text{original score-initial score}}{\text{original socre}}}\times 100\\\\\%=\dfrac{95-80}{95}\times 100\\\\\%=15.78\%

So, there is a percent change of 15.78%.

4 0
2 years ago
The first three steps in determining the solution set of the system of equations algebraically are shown.
Ivenika [448]

(2,-1), (-4,17).

Step-by-step explanation:

Equate the equation A and equation B

Convert the quadratic equation in factored form

Group terms that contain the same variable, and move the constant to the opposite side of the equation

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Rewrite as perfect squares

Square root both sides

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Substitute the value of x in the equation B

3 0
2 years ago
Pt 2 5-7 please helpp
Keith_Richards [23]

Answer:

x = 12

Step-by-step explanation:

__9x__      =     __108___

   9                          9

x = 12

6 0
3 years ago
Read 2 more answers
PLSSS HELP WILL GIVE BRAINLIEST FOR FIRST CORRECT ANSWER!!!!!!!!!
Kryger [21]

Answer:

A fair die has 6 sides.

There are 3 odd numbers on a fair die so the probability would be 3/6

There are 4 numbers greater than 2 on a fair die o the probability of that would be 4/6

There is only one number that will make it square and that is 4. So the probability would be 1/6

6 0
3 years ago
Simplify this equation<br> (3X^2+21X+33)/(X+5)
Amiraneli [1.4K]

Answer:

(3x^2+21x+33) / (x+5)

You can use long division:

(3x^2+21x+33)

--------------------

       (x+5)

=3x+6+ 3/x+5

Step-by-step explanation:

6 0
2 years ago
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