Answer: the answer is 8 because
Step-by-step explanation:
Answer:
Yes. x = 30 is a solution for 120 = 4x
Step-by-step explanation:
If x is 30 you substitute the X next to the four for 30 that means you multiply 30 x 4 and you get 120 so X does equal 30
a straight line is 180° so:
x+2/3x=180
multiply everything with 3 so that you'll looser the denominator:
3x+2x=540
5x=540
x=540:5
x=108
(2/3x= 72)
You can use the Pythagorean Theorem:
a^2+b^2=c^2
x^2+x^2=(7√2)^2
2x^2=49*2 (combine like terms and square the 7√2)
x^2=49 (divide both sides by 2)
x=7 (square root both sides)
So the equation is 2x^2=98 (simplest form) and x=7
Hope this helps
Answer:
C
180 rotation about its center.
Step-by-step explanation:
