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Ray Of Light [21]
2 years ago
15

Can anyone help me ASAP!

Mathematics
1 answer:
Natali5045456 [20]2 years ago
5 0

Answer:

9 ft

Step-by-step explanation:

look at the 15 ft and the 12 ft the difference is 3 the difference of 12 to 9 is 3 just have to find a key to get an answer for a right triangle

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Ainat [17]

Answer:

the answer would be 80 :)

6 0
3 years ago
What is the slope of the graph of<br> y = -3x + 2?
Ne4ueva [31]

Answer: -3

Step-by-step explanation:

5 0
3 years ago
I had $3.00. My mom gave me $10.00. My dad gave me $30.00. My aunt and uncle gave me $100.00. I had another $7.00. How much did
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$150 dollars in all hope this helps
6 0
3 years ago
When 2-(7g-3) =-9 is solved, the result is:
tresset_1 [31]

The answer is A. 2

Step-by-step explanation:

First let's simplify both sides of the equation

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8 0
3 years ago
Evaluate the upper and lower sums for
makvit [3.9K]
N=2
The smallest value of f(x) on [0, π/2] is 2, which occurs at x = 0. The smallest value of f(x) on [π/2, π] is also 0, which occurs at x = π. So the lower sum is (π/2)(2 + 2) = 2π 
The largest value of f(x) on [0, π/2] is 3, which occurs at x = π/2. This is also true for the interval [π/2, π]. So the upper sum is (π/2)(3 + 3) = 3π 
n = 4: 
f '(x) = cos(x), which is positive for [0, π/2) and negative for (π/2, π]. This tells us that f is an increasing function on [0, π/2) and a decreasing function on (π/2, π]. So for the lower sum you will always evaluate f at the left endpoint of the subinterval if that subinterval lies in [0, π/2], and at the right endpoint of the subinterval if it lies in [π/2, π] 
Thus, the lower sum for n = 4 is 
(π/4)(f(0) + f(π/4) + f(3π/4) + f(π)) 
and the upper sum is 
(π/4)(f(π/4) + f(π/2) + f(π/2) + f(3π/4)). 

the lower sum for n=8 is 
(π/8)(f(0)+f(π/8)+f(π/4)+f(3π/8)+f(5π/8... 
and the upper sum is 
(π/8)(f(π/8)+f(π/4)+f(3π/8)+f(π/2)+f(π/...
8 0
3 years ago
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