3 years ago

I'd the ratio 25 to 16 proportional to the ratio 5 to 4 explain

1 answer:

4 0

Yes, 5:4 is the simplified form of 25:16. 25 divided by 5 is 5 (the lowest possible number it can be made into). 16 divided by 4 is 4 (also the lowest possible number it can be made into).

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A 10 meter long wire is attached to the top of a flagpole 5√3 meters long. What is the measure of the angle the wire makes with

liberstina [14]

Well there has to be a right angle in there somewhere as the pole must be perpendicular to the ground.

Using the sine rule:
sinA/a = sinB/b where a = 10, A = 90, b = 5√3, B = B
Re-arrange for B, B = arcsin (b(sinA)/a)
B = arcsin(5√3(sin90)/10)
B = 60 degrees.

Answer is C

7 0

3 years ago

A number +5 more than three times the number is 37 find the number

xz_007 [3.2K]

Answer: 10 $\frac{2}{3}$