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NeX [460]
3 years ago
12

Write an expression for the length of the segment

Mathematics
1 answer:
Dvinal [7]3 years ago
8 0

Answer:

x=8

Step-by-step explanation:

a

x+2=7x-3

x+7x=3-2

8×= 1

×=8

b

13y+25=8y+5

13y+8y= 25+5

21y=30

y= 30-21

y=11

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Need help please thanks
tangare [24]

Answer:

i think it would be b

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Y - 4x = 5<br> 8x - 2y = 16<br> Solve using system of equations
kumpel [21]

Answer:

No solution

Step-by-step explanation:

Let's solve this system using elimination through addition/subtraction.  Multiply the second equation by (1/2), which results in the system

y - 4x = 5

4x - y = 8

--------------

0x + 0y = 13.  This is NEVER true.  This system of equation has NO  SOLUTION.

8 0
4 years ago
Find the equation of the linear function represented by the table below in slope-intercept form.
Y_Kistochka [10]

Answer:

y= 8x +7

Step-by-step explanation:

<u>slope-intercept form:</u>

y= mx +c, where m is the gradient (or slope) and c is the y-intercept.

Since it is a linear function, the gradient of any 2 points would be equal.

gradient =  \frac{y1 - y2}{x1 - x2}

Thus, gradient of the line

=  \frac{39 - 23}{4 - 2}  \\  =  \frac{16}{2}  \\  = 8

Subst. m=8 into the equation:

y= 8x +c

To find the value of c, substitute a pair of coordinates.

When x=0, y= 7,

7= 8(0) +c

c= 7

Thus, the equation of the linear function is y= 8x +7.

3 0
3 years ago
Describe how to find the sums -4 + 2 and -4 + ( -2 ) on a number line
ivolga24 [154]

Answer:

For the first one, you go from -4 on the number line and move 2 spaces to the right to get -2. For the second one, you start at -4 again and then you move to the left 2 spaces since your subtracting.

Step-by-step explanation:

-viridiancat4, an 8th grader :)

4 0
3 years ago
What is the answer for question #8
Karo-lina-s [1.5K]

Answer:


Step-by-step explanation:

5 + 1 = 6 + 8.

Here how I explain it, You are adding each number to get you answer but.

6 + 8= 14

So that's how you get your answer.

Draw a picture then you will understand.

If you don't just tell me.

By kake fam and Kzamor

Hope this help :)

6 0
3 years ago
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