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bonufazy [111]
3 years ago
10

Match each quadratic equation with the best way to solve it.

Mathematics
1 answer:
solniwko [45]3 years ago
6 0
I think you forgot some of the questions? 
are the questions like this- <span>1. 5x^2 + 12x - 3 = 0 - solve by quadratic formula 2. x^2 - 4x = 8 - solve by factoring 3.
if so i can help you let me know</span>
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The sum of two numbers is 2. If one number is subtracted from the​ other, their difference is -8. Find the numbers.
raketka [301]

Answer:

5 and -3

Step-by-step explanation:

x+y =2

X-Y=-8

BY USING SIMULTANEOUS EQUATION

SUBTRACT SUCH THAT

2Y=10

SO Y = 5

X= -3

3 0
1 year ago
The number of students who enroll in a psychology course is a Poisson random variable with mean 105. The professor in charge of
EleoNora [17]

Answer:

The answer is "0.096".

Step-by-step explanation:

In this question, the X is a number of the students who enroll in a psycholog y course,  follows a Poisson distribution with mean = \lambda= 105  

\therefore P(X=x)=\frac{e^{-105} 105^{x}}{x!},(x=0,1,2,3.....)\\\\\to p(teach\  two \ sections) = P(X \geq 119)\\\\=1-P(X

8 0
2 years ago
Help pls i need to knowewwwww
Vladimir [108]
Diameter: 24
radius: 12
3 0
3 years ago
Read 2 more answers
Please jelppp there’s also a option that says none of the above
asambeis [7]
They are vertical angles
8 0
2 years ago
Wilma is twice as old as Jamal, and Jamal is 3 years older than Tim. The sum of all their ages is 17.
oee [108]
<span>If x = Jamal's age , 2x = Wilma's age , x - 3 = Tim's age.
The sum of the ages is 17. 
Jamal's age is 5
Wilma's age is 10
Tim's age is 2

Hope this helps!</span>
4 0
2 years ago
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