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jasenka [17]
3 years ago
7

Find sin A. Please select the best answer from the choices provided

Mathematics
1 answer:
Phantasy [73]3 years ago
8 0

A key word to remember when doing this type of math is "SOHCAHTOA".

Sine =

Opposite over

Hypotenuse

Cosine =

Adjacent over

Hypotenuse

Tangent =

Opposite over

Adjacent


Since this is a 3, 4, 5 triangle, with the sides just multiplied by 7, the opposite of A which is 28 would be simplified to 4.

And the Hypotenuse would be simplified to 5.

So, the answer is 4 / 5!

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Simplify -5 1/4 - (-7 1/2) please<br> also ignore my tabs pls
Kruka [31]

Answer: 1/8

Step-by-step explanation:

1/2 x 1/4 = 1 x 1/2 x 4

8 0
3 years ago
George cut a cake into eight pieces. Explain what the unit fraction of the cake is.​
morpeh [17]

Answer:

1/8th

Step-by-step explanation: A unit fraction is a rational number written as a fraction where the numerator is one and the denominator is a positive integer. A unit fraction is therefore the reciprocal of a positive integer, 1/n. Examples are 1/1, 1/2, 1/3, 1/4 ,1/5, etc. so in this case the cake is eight slices so 1/8

6 0
3 years ago
I think it’s 2 over 1 but I’m not sure??
solmaris [256]

Answer:

it is 2/1

Step-by-step explanation:

4 0
3 years ago
The Columbia Tower in Seattle is 954 feet tall. The Seafirst Tower is T feet tall and d feet away from the Colombia Tower. Find
Blababa [14]
You have to include a drawing that relates the distace between de towers and some angles.

I will use one that gives the angle from the base of Seafirst Tower to the top of Columbia tower as 53 degress.

This lets you calculate the distance between the towers, d, as

tan(53) = 954 / d => d = 954 / tan(53) = 718.89ft

The same drawing gives the angle from the the base of the Columbtia tower to the top of the Seafirst Tower as 27 degrees.

Tnen, tan(27) = height / d => height = d*tan(27) = 718.89*tan(27) = 366.29 ft

Answer: 366.29 ft


6 0
3 years ago
How do you find the area of a trapezoid?
tiny-mole [99]
Area= base + base / 2 then multiply the height.

Example:  6+7 /2*6=  39


8 0
3 years ago
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