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Ksju [112]
2 years ago
13

Q7. What is the equation of the system of equations below? Explain how

Mathematics
2 answers:
Andrej [43]2 years ago
7 0

Answer: 18x -15 -y =0

Step-by-step explanation:

because linear equations in two variables are always in the format of ax+by+c=0

where a,b and c are constant terms

in this case a = 18; ax= 18x

b= -1 , by= -y

c= 15

Natasha_Volkova [10]2 years ago
4 0

Answer:

90x + 75 = 90x + 12, they don't intersect

Step-by-step explanation:

18x + 15 - y = 0

5y = 90x + 12

1. We will be using substitution, to do so, bring y to the other side in the first eqaution.

18x + 15 - y = 0

18x + 15 = y

2. Now plug in 18x+15 into the second equation

5(18x + 15) = 90x + 12

3. Distribute and solve for x

90x + 75 = 90x + 12

Because the slopes are the same (90x) this means that the system does not have an intersect.

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If 3x-4+8=12+2x<br> then x=?
vova2212 [387]

Answer:

8

Step-by-step explanation:

Combine like terms, -4 and 8, 2x and 3x.

After combining the terms, you get x+4=12.

Subtract 4 from both sides and get x=8

5 0
3 years ago
Find the​ slope-intercept form of the line whose slope is 66 and that passes through the point (negative 5 comma 10 )(−5,10).
Kaylis [27]

Answer:

y = 66x + 340

Step-by-step explanation:

The question asks to give the slope-intercept equation of a line with the slope given and it passes through a given line.

Generally, the equation of a line is given by:

y = mx + c, where m is the slope and c is the intercept. We have the slope given but we do not have the intercept. Hence, the first thing we do is to find the value of the intercept. We calculate that as follows:

since the line passes through a point, we substitute the values of the ordinate and the abscissa in the general equation of the line.

This means; 10 = 66(-5) + C

C = 10 + 330 = 340

Hence, the general equation of the line is;

y = 66x + 340

6 0
3 years ago
jenny peddled her bike for 11 miles in 45 minutes if she traveled the same speed how far would she reach in 2 hours?
professor190 [17]
60 * 2 = 120
120 / 45 = 2.6...7
2.6 * 45 = 29.3... (3 repeating) mi.

Messed that up!

11 / 45 = .24...
.24 * 120 = 28.8<u />
8 0
3 years ago
Read 2 more answers
Identify the zeros of the function below
Tamiku [17]

Check the picture below.

7 0
3 years ago
how do you solve this problem what do you put on the empty boxes and graph please help me ASAP thanks in adavance
Alex17521 [72]
First column of (x) put {0,1,2,3,4} then substitute in the equation of y to get the y value for each x
then in each row you have (x,y) , so plot them on the graph and you will get a line
4 0
2 years ago
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