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timama [110]
3 years ago
15

Please help me with this question

Mathematics
1 answer:
goblinko [34]3 years ago
6 0

Answer:

First question is 109

Second question is 45, but I guess it's a typo with 145.

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2/3 as a real number
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Yes

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Free_Kalibri [48]
I=k/d^2

4=k/d^2 and 1=k/64  so if we divide the first by the second we get:

4/1=(k/d^2)/(k/64)

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d^2=64/4

d^2=16

d=4 meters


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5. 1 1/2 ( c )

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vova2212 [387]

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