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ira [324]
3 years ago
11

Can someone answer these two I am not understanding my mathAlgebra 1

Mathematics
2 answers:
sergey [27]3 years ago
8 0

Answer:

1 = A. 2 = C

Step-by-step explanation:

the slope of the graphs have to be the dots that are on the x and go through the y.Hopefully i simplified what you had to do

Ksivusya [100]3 years ago
5 0

Answer:

1. c

2. a or b

Step-by-step explanation:

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HELP PLEASEEE. I DONT UNDERSTAND
Shtirlitz [24]

Answer:

D

Step-by-step explanation:

So we have the equation:

x^2-6x+58=0

And we want to solve for x.

We can solve it by completing the square.

First, subtract 58 from both sides:

x^2-6x=-58

Divide the b term by 2 and square it:

(-6)/2=-3\\(-3)^2=9

So, add 9 to both sides:

(x^2-6x+9)=-58+9

On the left, the perfect square trinomial pattern. Add on the right. So:

(x-3)^2=-49

Take the square root of both sides:

x-3=\pm \sqrt{-49}

The square root of -49 is 7i:

x-3=\pm 7i

Add 3 to both sides:

x=3\pm 7i

So, our answer is D.

And we're done!

4 0
3 years ago
Need help with 9 please
Debora [2.8K]

Answer:

x = 5

y = 1

Step-by-step explanation:

So move 2y from the second equation to the other side of the equals sign

2x +3y = 13

x = 3 + 2y

From here substitute X into the first equation

2(3 + 2y) + 3y = 13

Distribute

6 + 4y +3y = 13

Combine like terms and solve for y

7y = 7

y = 1

insert result into the original equation.

x-2(1) = 3

x - 2 = 3

x = 5

insert into other equation to check work

2(5) + 3(1) = 13

10 + 3 = 13 correct

6 0
3 years ago
A line passes through point A(12,18). A second point on the line has an x-value that is 125% of the x-value of point A and a y-v
Reil [10]

Answer:

(y - 18) = -3/2 (x - 12)

Step-by-step explanation:

125% of 12 equals 15

75% of 18 equals 13 1/2

so the slope equals 4.5/-3 or -3/2

7 0
2 years ago
PLEASE HELP ME ASAP. IT US DUE TOMORROW AND I NEED THE ANSWERS PLEASE
Tema [17]
Okay. 12 - 4 is 8. For the other question, you have to multiply the difference of that by 1/4. 8 * 1/4 is 2. The expression of (12 - 4) is four times the value of 1/4 * (12 - 8). and 2 is 1/4 the value of 8. The answers to this question are A , B, and C.
3 0
3 years ago
subraya el primer periodo decimal de cada número y conviértelos a fracción. a) 1.3333333... b) 1.1333333... c) 0.36363636... d)
Sedaia [141]

Answer:

See the attached file.  

Step-by-step explanation:

Download docx
3 0
3 years ago
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