Answer:
x=17 plz the brainliest!
Step-by-step explanation:
3x+39=90
3x+39-39=90-39
3x=51
\frac{3x}{3}=\frac{51}{3}
x=17
Answer:
D) 20.
Step-by-step explanation:
First find the value of x using Pythagoras theorem:
10^2 = x^2 + (2x)^2
5x^2 = 100
x^2 = 20
x = √20
= 2√5.
So the area of triangle
= 1/2 * base * height
= 1/2 * 2x * x
= x^2
= (2√5)^2
= 20.
Answer:
-2.6, -0.4, 0, 1.2
Step-by-step explanation:
tell me if i'm wrong :)
Answer:
C
Step-by-step explanation:
the question is asking for the difference between the two values, therfore, you should subtract the smaller value from the larger value
while A is technically the same equation, when finding a value, you want all the constants to be on 1 side of the equation while the variable is on the other side
Answer:
d
Step-by-step explanation:
the last one of the four
