Answer:
Step-by-step explanation:
Use the Law of Cosines
A = arccos[(10²+14²-9.6²)/(2×10×14) ≅ 43.3°
Answer:
1.445 × 10³
Step-by-step explanation:
Standard form is a way of writing a small number or a large number easily.
We should give the final answer in standard form.
1) (1.7 × 10⁴) × (8.5 × 10⁻²)
We enter this directly into the calculator to obtain a solution.
= 1445
We write this in standard form we have :
1.445 × 10³
Answer:
1416 cm
Step-by-step explanation:
Use calcutor shows everthinh
Answer:
Answers B I think.
Step-by-step explanation:
I assume t is time so the variable would equal the time it hit the floor
Answer:
7.8
Step-by-step explanation:
distance formula : 
where the x and y values are derived from the given points
here the given points are (11,3) and (6,9)
<u>assigning variables</u>
(x1,y1) = (11,3) so x1 = 11 and y1 = 3
(x2,y2) = (6,9) so x2 = 6 and y2 = 9
<u>plugging in values into formula</u>
recall formula 
==> plug in x1 = 11 , y1 = 3 , x2 = 6 and y2 = 9

==> subtract values in parenthesis

==> evaluate exponents

==> add 25 and 36
( approximately )