Answer:
1111111111111
Step-by-step explanation:
Answer:
Let's start with part B. if it was originally 10 cm tall and it goes up 0.5 cm. each day, then we know that to go up one cm it needs two days. With that information we can say that 8*2 = 16. So it needs 17 days to go up 8.5 cm which would make it 18.5 cm tall.
Step-by-step explanation:
f(x) = 0.5x + 10
0.5x + 10 = 18.5
0.5x = 18.5 - 10
0.5x = 8.5
x = 8.5/0.5
x = 17 days
Answer:
C) 201
Step-by-step explanation:
Margin of error = critical value × standard error
ME = CV × SE
Assuming n > 30, we can approximate CV with a normal distribution. At P = 99%, CV = 2.576.
SE = σ / √n
SE = 1100 / √n
Therefore:
200 = 2.576 × 1100 / √n
n = 201
Answer:
300 in²
Step-by-step explanation:
The TV screen is rectangular in shape.
Thus:
Length of the rectangular screen = 15 in.
Diagonal of the rectangular screen = 25 in.
To find the area of the rectangular screen, we need the length and the width of the screen.
Use pythagorean theorem to find the width as shown below:
, where:
a = width = ?
b = 15 in.
c = 25 in. (The hypotenuse/longest side)
Plug in the values into the equation
Subtract 225 from each side
Take the square root of both sides
width of the screen = 20 in.
Thus,
Area of the screen = length × width
= 15 × 20
Area = 300 in²
Answer:
Ans : 3578.83 feet from the ground
Step-by-step explanation:
You can use sine theory so
sine 32 = height/6400
6400 x sine 32 = height
Easy