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scoundrel [369]
3 years ago
13

I need help with the question attached

Mathematics
2 answers:
uranmaximum [27]3 years ago
7 0

Answer:

your answer would be -2/5 I think

Dmitriy789 [7]3 years ago
5 0

Answer:

-2/5

Step-by-step explanation:

This is the answer

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Solve x²+5x+6=0 by completing the square​
Brums [2.3K]

Answer:

x = -2

x= -3

Step-by-step explanation:

x 2+5x+6=0

To solve the equation, factor x^2+5x+6 using formula x^2+(a+b)x+ab=(x+a)(x+b). To find a and b, set up a system to be solved.

a+b=5

ab=6

Since ab is positive, a and b have the same sign. Since a+b is positive, a and b are both positive. List all such integer pairs that give product 6.

1,6

2,3

Calculate the sum for each pair.

1+6=7

2+3=5

The solution is the pair that gives sum 5.

a=2

b=3

Rewrite factored expression (x+a)(x+b) using the obtained values.

(x+2)(x+3)

To find equation solutions, solve x+2=0 and x+3=0.

x=−2

x=−3

4 0
3 years ago
^^^!!! 25 pOinTs (seriously help)
bonufazy [111]

Answer:

A)   Θ = 2A/r²

Step-by-step explanation:

A = Θr²/2

(Multiple both sides by 2)

2A = Θr²

(Divide both sides by r²)

2A/r² = Θ

7 0
3 years ago
If (2)x=1 what is the value of x?
Leto [7]
"x" would have to equal 1/2. You'd divide by 2 on both sides then simplify.
3 0
2 years ago
Read 2 more answers
Dillard's department store is having a huge sale where everything is 30% off. When you got to the cash register because you were
vlabodo [156]

Answer:

15.75

Step-by-step explanation:

30% of 350=105 15% of 105=15.75

3 0
3 years ago
Is the pythagorean theorem true for all similar triangle
mojhsa [17]
False because you can only use the Pyth. Theorem on right triangles which may not necessarily be ALL similar triangles.
6 0
3 years ago
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