Please help! 50 points and i'll give brainliest!
please help! 50 points and i'll give brainliest! - 1

Answers

Answer 1
Answer:

Answer:

36√(3) -12\pi

Step-by-step explanation:

The area of the shaded portion, we have to calculate.

Now, join C and O to form two right triangles Δ AOC and Δ BOC.

Now, from Δ AOC,  

\tan 60 = (AC)/(AO) = (x)/(6)

x = 6√3  

So, area of Δ AOC = (1)/(2) * 6 * 6√(3)  = 18√(3)

Due to symmetry area of Δ BOC will also be 18√3.

Now, area of quadrilateral OACB is 2 × 18√3 = 36√3

Now, area covered by the arc AB about center O will be (120)/(360) * \pi r^(2) = 12\pi

Therefore, the area of the shaded portion is 36√(3) -12\pi (Answer)

Answer 2
Answer:

Answer:

36\sqrt{3} -12\pi


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What is it called when columns filled with pairs of numbers that have the same ratio

Answers

You can call it a constant proportionality table because it is used to find the constant of proportionality and proportional relationships. (I am not really sure)

The bases on a softball diamond are 60ft apart. How far is it from home plate to second base

Answers

ok so I ams assuming that
from home to 1 is 60
from 1 to 2 is 60
from 2 to 3 is 60
from 3 to home is 60


so we have a squaer
from home to second base
that is a diagonal line through the square

find the distance

we see that we have 2 right triangles with legs 60 and 60
use pythagoren theorem to find hypotonuse (longest side)

a^2+b^2=c^2
60^2+60^2=c^2
3600+3600=c^2
7200=c^2
square root both sides
60√2=c
84.85=c
about 85 ft


Which of the following is a set of 3 prime numbers
713
253
657
339

Answers

Prime numbers can only be divided by one and itself. 


253 should be the answer. 

The outdoor temperature was 18 degree at midnight. The temperature declined 7 degree each hour for the next 4 hours. What was the temperature at 4 a.m?

Answers

midnight is 12
12 to 1 is 1 hour
1 to 2 is 2
2 to 3 is 3
3 tof 4 is 4 hour
4 hour total

 amount declined=number of hours times amount decilie per hour
amount decline=4 times 7=28

18 decline 28
18-28=-10

end temp at 4am=-10 degrees
any choices? it would help :)

Use the graph to determine the input value forwhich f(x) = g(x) is true.
Ox=0.5
x = 1
OX= 1.5
Ox=2

Answers

The input value for which f(x) = g(x) is true is x= 1.5.

What is Function?

In mathematics, a function is an expression, rule, or law that establishes the relationship between an independent variable and a dependent variable. In mathematics, functions exist everywhere, and they are crucial for constructing physical links in the sciences.

We have,

The intersection both functions is the point when f(x)=g(x).

As, the point of intersection both graphs is (5, 2)

Here for the input value of x= 1.5

f(1.5)= 2

g(1.5)= 2.

So, f(1.5)= g(1.5)= 2

Learn more about Function here:

brainly.com/question/4283693

#SPJ2

Answer: x=1.5

Step-by-step explanation:

Which has a larger area, a square with 7/8 mile sides or a rectangle that is 1/4 mile by 3

Answers

for this question, you should find the area of each shape.
So first you can find the area of square:
7/8 * 7/8 = 49/64
now you can find the area of the rectangle:
1/4 * 3 = 3/4 
so you should know that 3/4 is equal to 48/64 
now you can see that 49/64 is greater than 48/64 or 3/4 (which is the same) 
so the area of the square with 7/8 mile sides is larger that the rectangle that is 1/4 mile by 3 :))))
I hope this is helpful
have a nice day