Answer:
A survey among 500 grade 3 pupils revealed that 150 of them stayin the playground after their classes. Use 95% confidence to conduct a test of proportion. 1 1.
Step-by-step explanation:
Answer:
-18
Step-by-step explanation:
A is at -30. AE = 12
So, E is -30+12 = -18
Answer:
Right, isosceles
Step-by-step explanation:
The triangle contains one right angle and two legs of the same length. This fufills the requirements fro both a right and isosceles triangle.
X^2 = 16
x = 4
x = -4
good luck :)
Answer:
(x + 7)^2 + (y + 3)^2 = 4
Step-by-step explanation:
The standard equation of a circle is:
(x - h)^2 + (y - k)^2 = r^2
where (h, k) is the center and r is the radius. We can substitute the information given to obtain:
(x + 7)^2 + (y + 3)^2 = 4
