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lakkis [162]
3 years ago
6

A circle is centered on point B. Points A C and D lie on its circumference.

Mathematics
1 answer:
katen-ka-za [31]3 years ago
4 0

Answer:

Step-by-step explanation:

If ABC i.e angle of centra = 124°Then, we know that angle at any where of Circle is 1/2 if central angle So, ADC = 124/2 => ⛰ ADC = 62

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GRADE 9 MATH TEXTBOOK QUESTION PLEASE HELP ME someone help me answer all of question 4??? ASAPP
oksano4ka [1.4K]
ANSWER:
A c) -2 1/5
B e) -1 1/3
C b) -0.7
D a) 3/2
E d) 14.5

Hope it helps u!
7 0
3 years ago
There are 160 pink and blue balloons at the party store. 56 of the balloons are blue. What percentage of the balloons are pink?
bazaltina [42]
160 - 56 = 104  pink ballons

104/100 = 13/125


4 0
4 years ago
Choose the solution(s) of the following system of equations x2 + y2 = 6 x2 – y = 6
ElenaW [278]
<h2>Answer</h2>

x=\sqrt{6}, y=0\\ x=-\sqrt{6} , y=0\\x=\sqrt{5} , y=-1\\x=-\sqrt{5} , y=-1

Or as ordered pairs: (\sqrt{6} ,0),(-\sqrt{6} ,0),(\sqrt{5} ,-1),(-\sqrt{5} ,-1)

<h2>Explanation</h2>

Lets solve our system of equations  step by step

x^2+y^2=6 equation (1)

x^2-y=6 equation (2)

1. Solve for x^2 in equation (2)

x^2-y=6

x^2=6+y equation (3)

2. Replace equation (3) in equation (1) and solve for y

x^2+y^2=6

6+y+y^2=6

y^2+y=0

y(y+1)=0

y=0 or y=-1

3. Replace the values of y in equation (3) and solve for x

- For y=0

x^2=6+y

x^2=6

x=\sqrt{6} or x=-\sqrt{6}

- For y=-1

x^2=6+y

x^2=6-1

x^2=5

x=\sqrt{5} or x=-\sqrt{5}

So, the solutions of our system of equation are:

x=\sqrt{6}, y=0\\ x=-\sqrt{6} , y=0\\x=\sqrt{5} , y=-1\\x=-\sqrt{5} , y=-1

6 0
3 years ago
Read 2 more answers
What's the answer to this question because we haven't yet went over this in class but I'm trying to be ahead and figure out how
eimsori [14]
When two parallel lines are intersected by another straight line, the inner angles are = 180

so (20x+5) + (24x-1) = 180

solve from there
4 0
4 years ago
I need help. How do I do this??
Ivenika [448]
First of all, you figure out that -4 < 3, so you use the first function definition. Then you put -4 wherever you see x.
.. f(-4) = (-4)^2 -5
.. = 16 -5
.. f(-4) = 11

3 0
3 years ago
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