A right triangle is shown. The hypotenuse has length b. The angle opposite to side a is y and the angle opposite to side c is x. Which equations for the measures of the unknown angles x and y are correct? Check all that apply. x = cos–1(StartFraction a Over c EndFraction) x = sin–1(StartFraction c Over b EndFraction) x = tan–1(StartFraction c Over a EndFraction) y = sin–1(StartFraction a Over c EndFraction) y = cos–1(StartFraction c Over b EndFraction)

Therefore,

The correct options are

Step-by-step explanation:

Consider a right angle Triangle ΔABC, such that

AB = c = Adjacent side opposite to angle x

BC = a = Adjacent side opposite to angle y

AC = b = Hypotenuse

To Check :

For correct option?

Solution:

In Right Angle Triangle ABC,

Substituting the values we get

Now for y

Therefore,

The correct options are

v: l•w•h÷2.

v: 20•6•8 ÷2

v: 960÷2

v: 480

option c) graph of line going through 1, 4 and 3, 10

step-by-step explanation:

let y equal to margo's coin collection

let x equal to number of years

at the begining x=0, y=1 → point=(x,y)→point=(0,1)

she adds 3 coins per year, then y=1+3x

at x=1, y=1+3(1)=1+3→y=4→point=(x,y)→point=(1,4)

at x=3, y=1+3(3)=1+9→y=10→point=(x,y)→point=(3,10)

the graph of line going through (1, 4) and (3, 10), then the option c is the correct.