Answer:
Step-by-step explanation:
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1. Ratio- 91:21
2. Reduce- the common factor is 7
3. Answer- 13:3
Answer:
63 m
Step-by-step explanation:
We are given the following in the question:
Average speed of swimming = 45 m/min
Time = 1 minute 24 seconds
Converting time into minutes:
Formula:
Putting values, we get.
Thus, Alex swims for 63 m in 1 minute and 24 seconds.
To find c you use cosine or adjacent/hypotenuse. To set up your equation it’ll look like h=16/cos(21). h=hypotenuse which is what your solving for. You should get 17.1383199. I’m not sure what your supposed round to so I gave the full answer.
1 Multiply both sides by
4
x
4x.
−
3
=
−
3
2
×
4
x
−3=−
2
3
×4x
2 Simplify
3
2
×
4
x
2
3
×4x to
6
x
6x.
−
3
=
−
6
x
−3=−6x
3 Divide both sides by
−
6
−6.
−
3
−
6
=
x
−6
−3
=x
4 Two negatives make a positive.
3
6
=
x
6
3
=x
5 Simplify
3
6
6
3
to
1
2
2
1
.
1
2
=
x
2
1
=x
6 Switch sides.
x
=
1
2
x=
2
