Answer:
a) 5.8 cm
b) 40.3 cm
Step-by-step explanation:
a) 5²+3²= 34
√34= 5.8 cm
b) 45²-20²= 1625
√1625= 40.3 cm
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Answer:
0.25 seconds
Step-by-step explanation:
4 = 16t
t = 1/4 =0.25 seconds
The Answer would be x=72. Why? Because

is your %. You Cross multiply 240 * 30 = 100x
240 time 30 = 7200. you want x to be alone so you do 7200 divided by 100 equaling 72. So you get x=72.
Answer:
D
Step-by-step explanation: