What’s the answer to this question?

Mathematics

1 answer:

Alekssandra [29.7K]3 years ago

6 0

Answer:

I think it would be I

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Manny was given the equation (x+2)(x-7)=0 and asked to find the zeros. The solutions he came up with were x=2 and x=-17.

Inessa [10]

Answer:

see explanation

Step-by-step explanation:

Given

(x + 2)(x - 7) = 0 ← in standard form

Equate each factor to zero and solve for x

x + 2 = 0 ⇒ x = - 2

x - 7 = 0 ⇒ x = 7

Thus the zeros are x = - 2 and x = 7

3 0

3 years ago

Jenna borrowed $5,000 for 3 years and had to pay $1,350 simple interest at the end of that time. What RATE of interest did she p

mote1985 [20]

Answer:

Simple Interest =PRT/100

Rate= I ×100/PT

=1350×100/5000×3

135000/15000

=9%

7 0

2 years ago

Not all visitors to a certain company's website are customers. In fact, the website administrator estimates that about 5% of all

Gnom [1K]

Answer:

0.0135 = 1.35% probability that, in a random sample of 4 visitors to the website, exactly 2 actually are looking for the website.

Step-by-step explanation:

For each visitor of the website, there are only two possible outcomes. Either they are looking for the website, or they are not. The probability of a customer being looking for the website is independent of other customers. This means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$