Answer:
y= 14
Step-by-step explanation:
Isosceles trapezoid has opposite sides equal
Hence, AB and CD are equal
We have been given AB= 7y-4
And CD= 8y-18
According to the property
7y-4 = 8y-18
On simplification:
7y -8y= -18+4
On further simplification.
-y=-14
Hence, y =14
A. 5
B. 6.8
C. 1
D. x
Answer: A. 5
Step-by-step explanation:
The given exponential equation:
To calculate the y intercept , we need to substitute x =0 , the given equation, we get
Hence, the y intercept of the given exponential equation = 5.
b) 1/5
c) 1/10
d) 1/4
B. x = −8 and x = 8
C. x = −4 and x = 4
D. x = −2 and x = 2
Answer:
C
Step-by-step explanation:
Given
4x² = 64 ( divide both sides by 4 )
x² = 16 ( take the square root of both sides )
x = ± = ± 4
Solutions are x = - 4 and x = 4 → C
The polygon is concave because if you placed lines directly on top of every side of the polygon, one or more of the lines would intersect an existing side. In a convex polygon, if you placed lines on top of the sides they wouldn't intersect another side.
So your answer is B) Concave.