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Irina18 [472]
3 years ago
11

What property is (x+y)+z=x+(y+z)

Mathematics
1 answer:
Agata [3.3K]3 years ago
4 0
Associative Property if Addition
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-<br> -<br> What is the vertex of the quadratic function f(x) = (x - 6)(x + 2)?
kakasveta [241]

Answer:

X=6,x=-2

Step-by-step explanation:

To solve this question we will have to follow the step by step procedure

(x-6)(x+2)

x^2+2x-6x-12

Let's continue

x^2-4x-12

Let's factorise

x^2-6x+2x-12

x(x-6)+2(x-6)

(x-6)(x+2)

so to solve further that is to get the value for x

x-6=0

Add 6 to both sides

x=6

x+2=0

Substrate 2 from both sides

x=-2

Therefore x=6,x=-2

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3 years ago
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268 + 8(24)+12
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jasenka [17]
For Question 1 the answer is the last choice.
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3 years ago
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Mashcka [7]

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Please help I am confused will give brainly. Not sure how to find the measurements of 2, 3 and 4
antiseptic1488 [7]

Answer:

2: 99° 3: 81° 4: 81°

Step-by-step explanation:

2 is supplementary to 1 so subtract 81 from 180 = 99.

3 is vertical angle with 1 so they are equal

4 is alternate interior angle with 3 so they are equal

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