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Vikentia [17]
2 years ago
13

Which equation has roots -3 and 4

Mathematics
1 answer:
RSB [31]2 years ago
4 0

Answer:

x^2 - x - 12    (this is the second answer choice)

Step-by-step explanation:

Multiply (x + 3)(x - 4) and simplify the result:

x^2 - 4x + 3x - 12, or x^2 - x - 12    (this is the second answer choice)

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If 14 out of 20 like chocolate then how many people dislike chocolate?
Masteriza [31]
You know from the given information, there are 20 people in total. 
When asked 14 people stated that they liked chocolate. This leaves a group of people out of 20 who do not like chocolate. 

20-14=6 

You know from this that 6 people do not like chocolate while 14 of them do 

Hope I helped :) 
6 0
3 years ago
3/4=j-1/2 solve the equation check your solution
DIA [1.3K]
3/4= j-1/2
first to add 1/2 to both sides to solve for j 
3/4 + 1/2= j
second you find a common denominator in order to add 3/4 and 1/2, the common denominator would be 4, you would have to change 3/4 at all because the denominator is already 4 but in order to make the denominator of 1/2, 4 you would have to multiply both the denominator and numerator by 2 so 
3/4 + 2/4 = 5/4
so 5/4 =j

to check your answer you plug 5/4 in for j 
3/4 = 5/4 -1/2
again you need to find a common denominator between 5/4 and 1/2 which again would be 4, and again you wouldn't change 5/4 but you would multiply both the numerator and the denominator of 1/2 so 
3/4= 5/4-2/4
5-2= 3 and you would keep the 4 so 
5/4 - 2/4 = 3/4

so j =  5/4
5 0
2 years ago
There are 16 boys and 18 girls what is the probability of the boys name
ExtremeBDS [4]

is there more to this question

8 0
3 years ago
How do you factor this expression by dividing by the GCF first. 15c-25
chubhunter [2.5K]
15c-25
15c=25
your answer is c=13.5
4 0
3 years ago
I think I got the answer but I need someone to help
GuDViN [60]
That’s a hard one for sure but I would say six
3 0
3 years ago
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