Answer:
±10
Step-by-step explanation:
so what squared is 100?
10. but also -10.
10*10 = 100, and -10*-10 is also 100.
therefore, sqrt(100) has two solutions, which are positive or negative 10, and that's the application of ±.
Answer:
9.6
Step-by-step explanation:
First you figure out that the shadow is 2.5 times larger than what is casting it. Then you divide 24 by 2.5.
Answer:
half of 2 is 1, half of 3 is 1.5,half of 4 is 2.
Step-by-step explanation:
Answer:
0.3333
Step-by-step explanation:
If you add the two terms on the right, you will get 5^14. 14 is your answer.