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1 year ago

OLZ HELP ILL MARK AS BRAINLEST

Mathematics

1 answer:

zhuklara [117]1 year ago

3 0

Answer:

Step-by-step explanation:

Sam published his first book, a collection of poetry, at the age of 16.

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Factor x^2+5x-50 A. (x+25)(x-2) B. (x-5)(x+10) C. (x-10)(x+5) D. (x+2)(x-25)

Drupady [299]

The answer would be B

7 0

3 years ago

Is this expression equivalent? 3v+v and 12v over 3

xeze [42]

Yes this is equal because 3v+v is 4v and if you divide 12v by 3 you also get 4v

7 0

3 years ago

Read 2 more answers

For the function f(x)=-3x+2, find f(2)=

dsp73

Answer: f(2) = -4

Step-by-step explanation: Here we're given the function f(x) = -3x + 2 and we are asked to find f(2).

In other words, if we put an x into our function, we get a -3x + 2 out so what happens when we put a 2 into the function?

Well if we put a 2 into the function,

that's f(2) and we get -3(2) + 2 out.

Now all we have to do is simplify on the right side.

-3(2) is -6 so we have -6 + 2 which is -4.

So f(2) is -4.

8 0

2 years ago

Suppose that 10% of the undergraduates at a certain university are foreign students, and that 25% of the graduate students are f

Deffense [45]

Answer:

0.6154 = 61.54% probability that the student is an undergraduate

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

In which

P(B|A) is the probability of event B happening, given that A happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Foreign

Event B: Undergraduate.

There are four times as many undergraduates as graduate students

So 4/5 = 80% are undergraduate students and 1/5 = 20% are graduate students.

Probability the student is foreign:

10% of 80%

25% of 20%. So

$P(A) = 0.1*0.8 + 0.25*0.2 = 0.13$

Probability that a student is foreign and undergraduate:

10% of 80%. So

$P(A \cap B) = 0.1*0.8 = 0.08$

What is the probability that the student is an undergraduate?

$P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.08}{0.13} = 0.6154$

0.6154 = 61.54% probability that the student is an undergraduate

8 0

3 years ago

How do you answer this step by step

leonid [27]

X/3 +4 = 5+x/6
6(x/3 +4 = 5+x/6)
2x+ 24 = 30 +x
x= 6

3 0

2 years ago