3 years ago

Factor completely 2. 4x² – 9 [2 pts]

Mathematics

1 answer:

Nat2105 [25]3 years ago

8 0

Answer:

(2x+3) (2x-3)

Step-by-step explanation:

Both 4 and 9 have square roots and the problem is a difference of two squares. So if factored, one parenthesis will have a - and the other will have a +.

You might be interested in

Can someone help me with this?

Tanzania [10]

Answer:

ST=8.8

SR=15.5

Step-by-step explanation:

ST is the difference between S and T.

that would be 16.3-7.5=8.8

similarly RT is the difference between S and R

That would be 7.5-(-8)=15.5.

3 0

3 years ago

Read 2 more answers

Kyle and Andrea were asked to make a list of prime numbers.

ozzi

They are both correct.

8 0

3 years ago

Suppose that commercial airplane crashes in a certain country occur at the rate of 2.5 per year. what is the probability that fo

lesya [120]

The poisson distribution applies here.
$\lambda=2.5$
$P(X=4)=\frac{e^{-2.5}\times2.5^{4}}{4!}=0.134$

4 0

3 years ago

18. What's 7?8 as a decimal? A. .78 B. 8.7 C. .875 D. 7.8

kenny6666 [7]

Each 1/8 is 0.125, so 7*0.125 in relation to 7/8 as a decimal is 0.875. Answer C.

3 0

3 years ago

A retail store is buying a 500 count for a device and another 200 count for another version of the same device that costs $100 l

iVinArrow [24]

Answer less than 250

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers