Answer:
B : y − 3 = 2/3 ⋅ ( x − 3 )
Step-by-step explanation:
B is the correct answer. you can not multiply the first ratio be anything to make it equal the 2nd.
Answer: C.) 1.12 seconds
Step-by-step explanation:
Hi, to answer this question we have to substitute h=0 (when the rock hits the ground the height above it is 0) in the equation given:
h (t) = –16t2 + 20
Solving for t (time)
0= –16t2 + 20
16t2=20
t2=20/16
t=√1.25 =1.12 seconds (option C)
Feel free to ask for more if needed or if you did not understand something.
Answer:
Step-by-step explanation:
Not sure what you require but (165/750) * 100
= 0.22 * 100
= 22% are children
Answer:
a = -13/6
Step-by-step explanation:
Multiply both sides by the same number (15). This clears out the fractions:
-2a 13
15 -------- = 15 ----------
5 15
Then we have -2a(3) = 13, or
-6a = 13, or
a = -13/6
