Answer:
She spent 25 minutes studying last week
Step-by-step explanation:
L = last week
120 = 4L + 20
Subtract 20 from either side
100 = 4L
Divde either side by 4
25 = L
Answer:
3. 4 meters
6. wrong, it should be 7000 meters
7. 2 dm > 10 cm
8. 30 cm = 3 dm
9. 6 km > 5000 m
10. 8 m < 90 dm
Step-by-step explanation:
__________
In all right triangles, the ratio between a leg and the hypothenuse is the sine of the angle opposite to the leg.
So, in your case, we have

In order to find XY, we have

So, the ratio for the sine is

"The lines of reflection are parallel to the sides of the polygon" is the statement that is true about the lines of reflection for the polygon that will map the shape onto itself. The correct option among all the options that are given in the question is the third option or option "C". I hope that the answer has helped you.
Answer:
16 units
Step-by-step explanation:
You would take the area of the door (which would be 8 times 3) and subtract the area of the poster (which is 4 times 2).
Next, you would set up your equation: 24-8 which is 16.
Hope this helps! :)