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Serga [27]
4 years ago
7

Which ordered pair is a solution of the equation y = 3x+5

Mathematics
1 answer:
Daniel [21]4 years ago
7 0

Answer:

All you have to do is insert the first value where the x is, and the second value where the y is.

y = 3x + 5

11 = 3(2) + 5

11 = 6 + 5

11 = 11

So, this is right.

Now, let's check (3,13)

y = 3x + 5

13 = 3(3) + 5

13 = 9 + 5

13 = 14

This is NOT true. So, your answer is: Only (2,11)

Hope this helps!  



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GalinKa [24]
18) the answer is 3 because CD is a segment bisector that seperates both AB and BD into 2 congruent segments.And perpendicular lines form right angles.

19) the answer is 1 because the S represents AB is congruent to BD. Then, A represents the right angles: angle ADC and angle BDC. Lastly. S is represented by the common side which is segment CD.
7 0
3 years ago
The school's math team has 14 new members this year, which makes a total of 34. The number of new members represents what percen
Andreas93 [3]

Answer: 41%

Step-by-step explanation:

Youe need to find the perecent of 14 out of 34

We know that 34 represents the whole so its 100%

Now we just multiply 100 times 14 which is 1,400

and now we divide it by our whole which is 34

you will get 41.1764

Just round it and you are done

5 0
3 years ago
How do you solve this? <br> -x+y=7 <br> 6x+y=14
eduard
Multiply the first equation by -1 to use elimination method.

x-y=-7
6x+y=14

7x=7
x=1

Plug this x value in.

-1+y=7
y=8

Final answer: (1,8)
5 0
4 years ago
Write the equation of the line shown on the graph in slope-intercept form.
Naddika [18.5K]

Answer:

y = x -3  

Step-by-step explanation:

1) First, find the slope by using the slope formula, m = \frac{y_2-y_1}{x_2-x_1}. We can see that the two points marked on the line are (0, -3) and (3,0). So, substitute the x and y values of those points into the formula and solve:

m = \frac{(0)-(-3)}{(3)-(0)} \\m = \frac{0+3}{3-0} \\m = \frac{3}{3} \\m=1

So, the slope is 1.

2) Slope-intercept form is represented by the formula y = mx+b. Substitute values for m and b in order to write an equation.

Substitute 1 for m since it represents the slope. Substitute -3 for b since it represents the y-intercept. (Remember that the y-intercept is the point at which the line intersects the y-axis. So, by looking at the graph provided, we can see that (0,-3) is the y-intercept without doing any calculations.) This gives the following answer:

y = x -3

7 0
3 years ago
GIVING EXTRA POINTS
postnew [5]

Answer:

january really

Step-by-step explanation:

3 0
3 years ago
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