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steposvetlana [31]
2 years ago
12

Some please help and explain the steps. Tysmmmmm

Mathematics
1 answer:
-Dominant- [34]2 years ago
5 0

Answer:

since angle B and angle C contains the same arc AD. set the angles equal

11x-3=8x+15

x=6

so the angle has a measure of 63 degrees

the central angle is the angle of the arc

and it is always 2 times the angle that we just that contains the arc but does touches the end of the circle.

so its 63 *2 =126 degrees.

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What precent is 30 is 24
GuDViN [60]

Answer:

80 percent

Step-by-step explanation:

5 0
3 years ago
Determine whether the statements are True or False. Justify your answer with an explanation.
frez [133]

Problem 1

<h3>Answer: False</h3>

---------------------------------

Explanation:

The notation (f o g)(x) means f( g(x) ). Here g(x) is the inner function.

So,

f(x) = x+1

f( g(x) ) = g(x) + 1 .... replace every x with g(x)

f( g(x) ) = 6x+1 ... plug in g(x) = 6x

(f o g)(x) = 6x+1

Now let's flip things around

g(x) = 6x

g( f(x) ) = 6*( f(x) ) .... replace every x with f(x)

g( f(x) ) = 6(x+1) .... plug in f(x) = x+1

g( f(x) ) = 6x+6

(g o f)(x) = 6x+6

This shows that (f o g)(x) = (g o f)(x)  is a false equation for the given f(x) and g(x) functions.

===============================================

Problem 2

<h3>Answer: True</h3>

---------------------------------

Explanation:

Let's say that g(x) produced a number that wasn't in the domain of f(x). This would mean that f( g(x) ) would be undefined.

For example, let

f(x) = 1/(x+2)

g(x) = -2

The g(x) function will always produce the output -2 regardless of what the input x is. Feeding that -2 output into f(x) leads to 1/(x+2) = 1/(-2+2) = 1/0 which is undefined.

So it's important that the outputs of g(x) line up with the domain of f(x). Outputs of g(x) must be valid inputs of f(x).

7 0
3 years ago
Find the area for the circle below<br>A. 61.42<br>B. 36.25<br>C. 78.54<br>D. 108.85​
Lorico [155]
C
Source: trust me bro
8 0
3 years ago
I need help with question number one please help?
Kisachek [45]
1) Area of trapezoid =1/2(base 1 +base 2)* height

A= \frac{23 \frac{1}{3}+4 \frac{2}{3}  }{2} *(12 \frac{3}{4} ) =  \frac{27 \frac{3}{3} }{2} *( \frac{51}{4} ) =  \frac{28}{2} * \frac{51}{4} =  \frac{7*51}{2} = \frac{357}{2} =178 \frac{1}{2}  x^{2}

5 0
3 years ago
Gavin drove 85 miles on 10 gallons of gas.How many miles can gavin drive on 25 gallons of gas?
bixtya [17]

Answer:

212.5 miles on 25 gallons.

Step-by-step explanation:

Set up a proportion

85 miles on 10 gallons

x miles on 25 gallons.

85/10 = x / 25                   Multiply both sides by 25

85*25 / 10 = x                   Simplify the left

2125 / 10 = x

x = 212.5 miles in 25 gallons.

6 0
3 years ago
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