I dont think you finished typing? or should the answer be obvious.... it is not obvious to me. Can i hav3 a hint
The length of the mirror is 64.52 cm
<u>Explanation:</u>
Given:
Distance of the person from the mirror = 145cm
Angle of depression = 14°
Angle of elevation = 11°
Vertical dimension of the mirror = ?
For angle of elevation:

For the angle of depression:

Total length of the mirror, AC = AB + BC
= 28.275 + 36.25cm
= 64.52 cm
Therefore, the length of the mirror is 64.52 cm
Answer: <u>C. 20-.40p</u>
Step-by-step explanation:
We know that from the given information that each pound is worth 40 cents, and that its being subtracted from the twenty dollar bill.
"Why are the others choices wrong?"
A. p-20, isn't the proper equation due to the stated information.
B. B. 20 -40p, this equation has Zelma pay $40 dollars each pound, which isn't correct due to what the text has stated ("for 40 cents per pound").
D. 40p-20, from the given text, this equation is wrong ("She pays the clerk with a twenty-dollar bill), it never states that she will be charged twenty dollars, or be given forty for each pound.
Another person who asked the same question:
brainly.com/question/9419974
Answer:
72h - 48
Step-by-step explanation:
Use distributive property
8(9h - 6)
Multiply 8 out of 9h - 6
72h - 48
Answer:
x=5, y=10. (5, 10).
Step-by-step explanation:
12x+6y=120
4x+y=30
-------------
2x+y=20
4x+y=30
----------------
y=20-2x
4x+(20-2x)=30
4x+20-2x-30
2x-30-20
2x=10
x=10/2
x=5
4(5)+y=30
20+y=30
y=30-20
y=10