The tree is 7.5ft because it's shadow is half it's height.
Answer:
x = 14.7
Step-by-step explanation:
Using the sine rule

Substitute the given values.

Rearrange the equation to get x on it's own.

x = 14.72246211
x = 14.7 (1dp)
Answer:
C. 2.5×10^-27
Step-by-step explanation:
(2×10^-13)^-2 = 2^-2 × 10^(13×(-2)) = 1/4 × 10^-26
= 0.25 × 10^-26 = 2.5 × 10^-27
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Your scientific or graphing calculator can compute and display this for you.
Answer:
c
Step-by-step explanation:
because I'm brainlyiest