Right triangle XYZ has a right angle at vertex Y and a hypotenuse that measures 24cm. Angle ZXY measures 70.
1 answer:
Draw (see attachment)
so we can see we might want to find YZ or XY
sin(70°)=opositeside/hypotnuse=YZ/24
cos(70°)=adjacentside/hypotonuse=XY/24
alrighty
sin(70°)=YZ/24
cos(70°)=XY/24
to solve for each side, multiply both sides of both by 24
24sin(70°)=YZ
24cos(70°)=XY
use your calculator
YZ≈22.5526 cm
XY≈8.20848 cm
so we can see we might want to find YZ or XY
sin(70°)=opositeside/hypotnuse=YZ/24
cos(70°)=adjacentside/hypotonuse=XY/24
alrighty
sin(70°)=YZ/24
cos(70°)=XY/24
to solve for each side, multiply both sides of both by 24
24sin(70°)=YZ
24cos(70°)=XY
use your calculator
YZ≈22.5526 cm
XY≈8.20848 cm
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Answer: OPTION B.
Step-by-step explanation:
Given the following System of equations:
You can use the Elimination Method to solve it. The steps are:
1. You can mutliply the second equation by -3.
2. Then you must add the equations.
3. Solve for the variable "y".
Then:
4. Now that you know the value of the variable "y", you must substitute it into any original equation.
5. The final step is to solve for "x" in order to find its value.
Then:
Therefore, the solution is: