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Klio2033 [76]
3 years ago
12

(x-6)(x+ 3) = A. X^2 - 18 B. X^2 - 3x - 18 C. X^2 + 3x -18 D. X2 + 9x - 18

Mathematics
2 answers:
scoundrel [369]3 years ago
8 0

Answer:

x^2 - 3x - 18.

Step-by-step explanation:

step1- expand the brackets

step2- simplify answer

nlexa [21]3 years ago
4 0

Answer:

x^2 - 3x - 18

Step-by-step explanation:

Just follow in terms of FOIL

First, outer, inner, last. First means multiply the terms which occur first in each binomial, Outer means multiply the outermost terms in the product, Inner means multiply the innermost terms, and Last means multiply the terms which occur last in each binomial.

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Janine wishes to conduct a poll to predict how many dance club members will vote for her for club president.
Vera_Pavlovna [14]
"Bias" means someone shows inclination towards someone or something because of the relationship that person has with that thing or person. 

In this case, since Janine has friends that are also in the dance club, they are more likely to vote for her as president because they are friends with her. So, answer A is likely to be biased because the five people sampled are her friends. 

Answer C is also biased because the sample chosen already plan on voting for her as president, and they are more than likely to find others who plan to vote for her.
3 0
3 years ago
Read 2 more answers
Zena needs an Actor. Actor A charges $250 in addition to $50 per day. Actor B charges $ 200 in addition to $60 per day. When do
Sav [38]

Well I like to start with a base number. Ten. Ten days.

--Without Initial Costs--

Actor A after 10 days -  $500

Actor B after 10 days -  $600

A after 15 days -  $750 + $250 = $1000

B after 15 days -  $900 + $200 = $700

A after 5 days -  $250 + $250 = $500 <|

                                                          /\ \/ -ANSWER

B after 5 days -  $300 + $200 = $500 <|

A after 3 days -  $150 + $250 = $400

B after 3 days -  $180 + $200 = $380

A after 8 days -  $400 + $250 = $650

B after 8 days -  $480 + $200 = $680

Now there, I did a whole bunch of em. Now to add the initial costs. (I did the adding on the same numbers that I just typed so it may be confusing that NOW I am saying to do it when it is already done. LOL)

Basically after all that, the answer is 5 days.

Hope this helps!


5 0
3 years ago
A fair number cube is rolled. What is the probability that a number greater than 2 is rolled
exis [7]

Answer:

2/3

Step-by-step explanation:

Ah, I see. A 1-6 die.

Probability of one number = 1/6

2 numbers? = 2/6

6/6-2/6=4/6

4/6=2/3

3 0
3 years ago
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F a ball with an original velocity of zero is dropped from a tall structure and it takes 7 seconds to hit the ground, what veloc
ss7ja [257]
For this, all you need is the velocity formula which is Vf = Vi + at.
Vf = final velocity.
Vi = initial velocity.
a = acceleration
t = time

Vf = Vi + at. 

Vf= 0 + (-<span> 9.8 m/sec^</span><span>2) (7s)
</span>
*The 0 says that the original velocity is zero. The - 9.8 m/sec^2 is gravity because there is nothing else acting upon it, and it is negative because it is falling. The 7s is time time.*

All you have to do then, is simplify to get 68.6 m/s which is B.

8 0
3 years ago
PLEASE HELP ME URGENT Check all that apply. tan(theta) is undefined for theta=
Alex_Xolod [135]
I'm pretty sure the answer is pi/2. Just plugged it in my calculator and it said error.

Yes it's A and B
5 0
4 years ago
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