Math

QuestionFind the value of zz given x=zx = z, x=6k+13x = 6k + 13, and y=8k29y = 8k - 29 with lines mm and nn parallel.

Studdy Solution

STEP 1

Assumptions1. Lines mm and nn are parallel. . A transversal intersects lines mm and nn.
3. xx, yy, and zz represent the measures of certain angles in the figure.
4. x=zx = z.
5. x=6k+13x =6k +13.
6. y=8k29y =8k -29.

STEP 2

Since lines mm and nn are parallel and a transversal intersects them, we can use the property of alternate interior angles to set up an equation. Alternate interior angles are equal when two lines are parallel and intersected by a transversal. Therefore, we can say that x=yx = y.
x=yx = y

STEP 3

Now, plug in the given expressions for xx and yy into the equation.
6k+13=8k296k +13 =8k -29

STEP 4

To solve for kk, we need to get all terms involving kk on one side of the equation and the constants on the other side. We can start by subtracting 6k6k from both sides of the equation.
6k6k+13=8k6k296k -6k +13 =8k -6k -29This simplifies to13=2k2913 =2k -29

STEP 5

Next, add 2929 to both sides of the equation to isolate the term with kk.
13+29=2k29+2913 +29 =2k -29 +29This simplifies to42=2k42 =2k

STEP 6

Finally, divide both sides of the equation by 22 to solve for kk.
42/2=2k/242 /2 =2k /2This gives usk=21k =21

STEP 7

Now that we have the value of kk, we can substitute it back into the equation for xx (or zz, since x=zx = z) to find the value of zz.
z=6k+13z =6k +13

STEP 8

Plug in the value of kk into the equation.
z=6(21)+13z =6(21) +13

STEP 9

Calculate the value of zz.
z=6(21)+13=126+13=139z =6(21) +13 =126 +13 =139The value of zz is 139139.

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