Answer: The tree is 27 feet tall.
Step-by-step explanation:
Here's what we know:
6/10 = x/45 (a 6 foot object creating a 10 shadow is equivalent to something else making a 45 shadow)
We need to isolate x. Multiply both sides by 45:
6*45/10 = x
We can factor out a 2:
3*45/5 = x
We can also factor out a 5:
3*9/1 = x
27 = x
The tree is 27 feet tall.
Wouldnt it be 4 im pretty sure i did the math right i hope this works can you answer mine?
Answer:
x= 32°
Step-by-step explanation:
2(2x-20) + 2(4x+8)= 360
4x+8x-40+16=360
12x=384
x=32°
<h2>
Answer:</h2><h2>
The value of P (B) = 0.22</h2>
Step-by-step explanation:
The probability of event A, P (A) = 0.75
The probability of events A and B, P (A ∩ B) = 0.165
The probability of event B, P (B) = ?
Independent events are those where the probability of A event occurring doesn't affect the probability of B event. In other words, they don't depend upon each other and are independent.
By formula,
P (A ∩ B) = P (A) . P (B)
By substituting the values to the above equation, we get
0.165 = 0.75 * P (B)
P (B) = 0.22
Answer:
19°
Step-by-step explanation:
I have attached an image showing this elevation.
From the image, let's first find the angle A by using cosine rule.
Thus;
8.1² = 5.5² + 13.1² - 2(5.5 × 13.1)cos A
65.61 = 30.25 + 171.61 - 144.1cos A
144.1cos A = 171.61 + 30.25 - 65.61
144.1cosA = 136.25
cosA = 136.25/144.1
cosA = 0.9455
A = cos^(-1) 0.9455
A = 19°
