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FinnZ [79.3K]
3 years ago
6

Urgent! A tower that is 103 feet tall casts a shadow 123 feet long. Find the angle of elevation of the sun to the nearest degree

.

Mathematics
1 answer:
Trava [24]3 years ago
7 0

Answer:

39.9 rounded to 40 degrees

Step-by-step explanation:

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A clock face has a diameter of 10 inches. What is the area of the clock face?
sleet_krkn [62]

Answer:

A = 78.5 in ^2

Step-by-step explanation:

Area of a circle = pi * r^2

The radius is d/2

r= 10/2

r =5

A = pi * r^2

Substitute r=5

A = pi *(5)^2

A = 25 pi

We know that pi is approximated by 3.14

A = 25 (3.14)

A = 78.5 in ^2

5 0
3 years ago
Using the digits 0 to 9, without repetition, fill the blanks.
Alexandra [31]
First angle to the right inside the triangle can be 60
Other angle inside the triangle can be 40
The upper angle outside the triangle 80
The last angle 100
4 0
2 years ago
Write an equation for the line parallel to the given line that contains <br> C(4,8);y=-3x+4
Brrunno [24]
Parallel line means they have the same slope 
y = mx + b 
where m = slope 
y = -3 + 4
here the slope is negative 3
y = -3x + b
plug in (4, 8)
8 = -3(4) + b 
b = 8 + 12
b = 20

The answer is y = -3x + 20
6 0
3 years ago
Which expression is the simplest form of (27x^-9)^1/3?
lana [24]
\sqrt[n]{a^m}=a^\frac{m}{n}\\\\\sqrt[n]{a}=a^\frac{1}{n}\\\\(a^n)^m=a^{nm}\\\\(a\cdot b)^n=a^n\cdot b^n\\\\(27x^{-9})^\frac{1}{3}=27^\frac{1}{3}(x^{-9})^\frac{1}{3}=\sqrt[3]{27}\cdot x^{-9\cdot\frac{1}{3}}=3x^{-3}=\dfrac{3}{x^3}
8 0
3 years ago
What’s pi? (i actually kno what it is i’m jus bored lol)
Alenkasestr [34]

Answer:

3.14159 and so on

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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