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3 years ago

Solving equations : -t+9=t+5 Please show work!

2 answers:

8 0

http://www.tiger-algebra.com/drill/9/10-x/x=1/5/ This link will provide with the answer and how to do it ;)

Scilla [17]3 years ago

5 0

Okay, so first I would add t to both sides. the equation will now be 9=2t+5 because the -t is canceled out and added to the other side of the equation. Then, subtract 5 from each side, and you'll get 4=2t. divide by 2, t=2.

if i made any mistakes, im sorry! i'm kinda busy right now

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The length of ZX is 2 units. What is the perimeter of triangle XYZ?

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Keywords

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we know that

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To find the length side calculate the distance between two points

The formula to calculate the distance between to points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

Step 1

Find the distance ZY

$Z(1,0)\\Y(3,1)$

substitute the values

$d=\sqrt{(1-0)^{2}+(3-1)^{2}}$

$dZY=\sqrt{5}\ units$

Step 2

Find the distance XY

$X(-1,4)\\Y(3,1)$

substitute the values

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Step 3

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we have

$dZX=2\sqrt{5}\ units$

$dZY=\sqrt{5}\ units$

$dXY=5\ units$

Substitute

$P=(2\sqrt{5}+\sqrt{5}+5)\ units$

therefore

the answer is

$P=(3\sqrt{5}+5)\ units$

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