Answer:
70
Step-by-step explanation:
Complementary angles equal 90 degrees
90 - 20 = 70
I hope this helps!
ANSWER
The vertex of the graph of

is

EXPLANATION
The vertex form of a parabola is given by

where

is the vertex of the parabola.
The function given to us is

This is already in the vertex form.
When we compare this to the general vertex form, we have,


and

Therefore the vertex of the parabola is

Hence the correct answer is option A.
A = 225 in^2
W = 13.75
15x16 = 240 in^2
240/13.75 = 17.45 in
the mirror would not fit in a space that is 15 by 16 inches since its approximately 13 by 17 inches
Answer:
No. She should have multiplied 12 and One-half to solve
6 yards
Step-by-step explanation:
Number of girls = 12
Each girl needs = 1/2 yard of strings
Suzie workings:
12/1 ÷ 1/2
= 12/1 × 2/1
= 24/1
= 24 yards
No. She should have multiplied 12 and One-half to solve
Correct workings:
Total strings needed for 12 girls = 12 × 1/2 yards
= (12*1)/2
= 12/2
= 6 yards