All categories

2 years ago

HELP ME PLEASE IT'S DO RIGHT NOW***

Mathematics

2 answers:

natima [27]2 years ago

8 0

Answer:

$x^{2} -121$ goes with (x+11)(x-11)

$x^{2} +121$ does not have a solution/answer

$16x^{2} -25$ goes with (4x+5)(4x-5)

$25x^{2} -16$ goes with (5x+4)(5x-4)

$x^{2} -50$ does not have a solution/answer

$x^{4}-64$ goes with $(x^{2} +8) (x^{2} -8)$

$x^{2} -144$ goes with (x+12) (x-12)

Step-by-step explanation:

its factoring

Anvisha [2.4K]2 years ago

8 0

Look at terms if it has a perfect squared number or a negative sign. Hope this helps

You might be interested in

Yenni is playing a card game where she is trying to collect on of each suit.There are 3 hearts 2 diamonds 1 spade and 4 clubs le

Gemiola [76]

Answer:

27/40

Step-by-step explanation:

Probability of picking heart: 3 hearts/ 10 total

Probability of picking club: 4 clubs/ 9 left over cards

3/10 divided by 4/9= 27/40

Hope this helped

Please mark Brainliest

So i can rank up

8 0

2 years ago

Marianne has 3/7 cup of sugar to bake a cake she has 3/5 cup does she have enough to make the cake yes or no

jenyasd209 [6]

Answer:

Yes

Step by step explanation:

6 0

2 years ago

There are 1265 students at Cypress Middle School. 42% of the students are enrolled in PE. Which equation could be used to repres

Dovator [93]

Answer:

0.42* 1265=x

Step-by-step explanation:

There are 1265 students in Cypress Middle School. So we already know one part of the equation. 42% of these students are in PE. So we know that 42% of these 1265 students are in PE. Of these means you probably have to multiply 42% and 1265. 42% = 0.42. So to write an equation we take the 0.42 and 1265 and put it together. Therefore, 0.42 times 1265=x.

7 0

3 years ago

..................................

Lerok [7]

......................

3 0

2 years ago

If 90 percent of automobiles in Orange County have both headlights working, what is the probability that in a sample of eight au

Marta_Voda [28]

Answer:

$P(X \geq 7) = P(X=7) +P(X=8)$

And we can find the individual probabilities using the probability mass function

$P(X=7)=(8C7)(0.9)^7 (1-0.9)^{8-7}=0.3826$

$P(X=8)=(8C8)(0.9)^8 (1-0.9)^{8-8}=0.4305$

And replacing we got:

$P(X \geq 7) = P(X=7) +P(X=8)=0.3826 +0.4305=0.8131$

Step-by-step explanation:

Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Solution to the problem

Let X the random variable of interest "number of automobiles with both headligths working", on this case we now that:

$X \sim Binom(n=8, p=0.9)$