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photoshop1234 [79]
3 years ago
10

Which number lines have points that represent additive inverses? Check all

Mathematics
1 answer:
frozen [14]3 years ago
4 0

Answer:

2nd and fourth one

Step-by-step explanation:

I just did it and if you look at both of them and if you look closely  they each have a negative and a positive

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Solve each equation
Fed [463]

Answer:

1. y = 7

2.  y = 6

3.  y = 7/2

4. y = 8

Step-by-step explanation:

I searched it up and found the answer.

7 0
2 years ago
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Help please!<br> 6x^2+2x-9=0<br> A 6.4, -8.4<br> B 1.1, -1.4<br> C -2.2, 2.8<br> D -1.1, -1.4
Yakvenalex [24]
6x^2+2x-9=0\\\\a=6;\ b=2;\ c=-9\\\\\Delta=b^2-4ac\to\Delta=2^2-4\cdot6\cdot(-9)=220\\\\x_1=\dfrac{-b-\sqrt\Delta}{2a};\ x_2=\dfrac{-b+\sqrt\Delta}{2a}\\\\x_1=\dfrac{-2-\sqrt{220}}{2\cdot6}=\dfrac{-2-\sqrt{220}}{12}\approx-1.4\\\\x_2=\dfrac{-2+\sqrt{220}}{2\cdot6}=\dfrac{-2+\sqrt{220}}{12}\approx1.1

Answer: B. 1.1; -1.4.
6 0
3 years ago
I'm really bad at math so I need some help explaining.
sergiy2304 [10]
Please let me know if there’s something you don’t understand. Hope this helps!

3 0
2 years ago
Samuel buys office supplies for his home buissness
Reil [10]

Answer:

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Step-by-step explanation:

6 0
2 years ago
What is the greatest common factor of 72, 54,and 18
padilas [110]

Answer:

18

Step-by-step explanation:

Factors of 54

1, 2, 3, 6, 9, 18, 27

Factors of 72

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36

Factors of 18

1, 2, 3, 6, 9, 18.

Greatest Common Factor

We found the factors and prime factorization of 72, 54 and 18. The biggest common factor number is the GCF number.

So the greatest common factor 72, 54 and 18 is 18.

3 0
3 years ago
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