Answer:
step by step Explanation:
Since this is a right triangle,
We can find the length b by using the Pythagoras theorem
a2+b2=c2
Plugin the values
→22+b2=62
→4+b2=36
→b2=32
Take the square root of both sides
→√b2=√32
→b=√16⋅2
⇒b=4√2
Answer:
78.6km/h
Step-by-step explanation:
<em><u>Speed=distance÷time</u></em>
<u>distance</u>=21km
<u>time</u>=16 minutes<u>(convert into hour by dividing it</u> <u>with 60)</u>
=16÷60=0.267
Speed=21÷0.267=78.65km/h


Answer:
Step-by-step explanation:
6-$10 12-$20 15-$25
part 2 $40
Answer:
38
Step-by-step explanation:
(34+ 18 × q)-(5^q + 7). q=2
34+18×2-(5²+7)
34+18×2-(25+7)
34+18×2-32
34+36-32
38
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