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Nutka1998 [239]

3 years ago

10

In a class 28 of students, 5 are female and 19 have an A in the class. There are 2 students who are female and have an A in the

class. What is the probability that a student chosen randomly from the class is a female?

1 answer:

telo118 [61]3 years ago

5 0

Step-by-step explanation:

Of the 28 students, 5 are female. So the probability is 5/28.

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WILL MARK BRAINLIEST:

Aloiza [94]

Answer:

a

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

If f(x) is an exponential function where f(-2.5) = 1 and f(3.5) = 15, then find the value of f(-1.5), to the nearest hundredth.

Dennis_Churaev [7]

Answer:

1.57

Step-by-step explanation:

8 0

2 years ago

What is an equivalent to -16m^2n-(-25m^2n)+(-7m^2n)

pantera1 [17]

Answer:

The equivalent expression is:

$-16m^2n-\left(-25m^2n\right)+\left(-7m^2n\right)=2m^2n$

Step-by-step explanation:

Given the expression

$-16m^2n-\left(-25m^2n\right)+\left(-7m^2n\right)$

$\mathrm{Remove\:parentheses}:\quad \left(-a\right)=-a,\:-\left(-a\right)=a$

$=-16m^2n+25m^2n-7m^2n$

$\mathrm{Add\:similar\:elements:}\:-16m^2n+25m^2n-7m^2n=2m^2n$

$=2m^2n$

Therefore, the equivalent expression is:

$-16m^2n-\left(-25m^2n\right)+\left(-7m^2n\right)=2m^2n$

7 0

3 years ago

What is 25% increase of 12

adoni [48]

Answer:

15 or 3

Step-by-step explanation:

multiply 12 by .25 and you will get 3. that is 25% of 12. add 3 you will get 15.

I didn't know if you wanted to know how much it increased or final answer.

8 0

3 years ago

Called ultimate addition, u(x) is defined to be the sum of all digit of an integer until the result is single digit integer. If

slamgirl [31]

<h3>Answer: A) 2</h3>

=====================================================

Work Shown:

u(50654) = 5+0+6+5+4 = 20

u(20) = 2+0 = 2

u(50654) = 2

We want to find all possible values of m such that u(m) = 2 and also m is some two-digit integer.

-----

Possible values of m are: m = 11, m = 20

u(m) = u(11) = 1+1 = 2

u(m) = u(20) = 2+0 = 2

and that's it. There are no other ways to have two positive integers add up to 2.

5 0

3 years ago