Answer:
x=19
Step-by-step explanation:
First, you place the numbers in place of the variables in their relative positions using the pythagorean theorem:

Then you square the numbers that you currently have:

Then subtract 225 from both sides to isolate the x:

This gives you the equation:

Then take the square root of both sides which gives you:

Then round to the nearest whole number which gives you x=19
Write the question correctly please
Answer:
x = 34
Step-by-step explanation:
If it is bisected, that means the angles are equal <ABD = < CBD
The triangles are equal by SAS
That means AD = CD
2x+30 = 3x-4
subtract 2x from each side
2x+30 -2x = 3x-4 -2x
30 = x-4
Add 4 to each side
3x+4 = x-4+4
34 =x
Answer:
1 : 900
Step-by-step explanation:
18 m = 1800 cm
2:1800 reduced is 1:900
Answer: -3x + 15
Step-by-step explanation: you multiply -3 by x so you get -3x, then you multiply -3 by -5 and get +15, then you just put the two together in an equation.