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kirill115 [55]
3 years ago
11

Circle O has a diameter AB. If A is at (-6, -2) and B is at (-3, 4) , find the length of the radius of the circle. 9.6 units 4.2

units 3.4 units 10.5 units
Mathematics
1 answer:
Lady bird [3.3K]3 years ago
7 0
Radius is half the distance AB
=(1/2)sqrt((y2-y1)^2+(x2-x1)^2)
=(1/2)sqrt(6^2+3^2)
=1/2sqrt(45)
=1.5sqrt(5)
=3.35
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The asymptote of the function f(x) = 3^x+1 - 2 is ____. Its y-intercept is ____.
xxMikexx [17]
We are given the function <span>f(x) = 3^x+1 - 2 and is asked for the asymptote and y-intercept. In this case, we transform the function to

y +2 = 1/3^(x+1)-1
y = 1-2</span>/3^(x+1)-1/(3^(x+1)-1)
let 3^(x+1)-1 = 0
<span>1/3^(x+1) = 0
x = infinity
when x = infinity
y = 0 - 2
y = -2

The y-intercept is the value where x = 0. substituting, 

y = 3^(0+1) - 2 = 1 </span>
6 0
4 years ago
Which of the following could be the value of x in the equation x^2 - 21 = 100 Choose all the correct answers
konstantin123 [22]

How to solve your problem

x^{2}-21=100

Quadratic formula

Factor

1

Move terms to the left side

x^{2}-21=100

x^{2}-21-100=0

2

Subtract the numbers

x^{2}\textcolor{#C58AF9}{-21}\textcolor{#C58AF9}{-100}=0

x^{2}\textcolor{#C58AF9}{-121}=0

3

Use the quadratic formula

x=\frac{-\textcolor{#F28B82}{b}\pm \sqrt{\textcolor{#F28B82}{b}^{2}-4\textcolor{#C58AF9}{a}\textcolor{#8AB4F8}{c}}}{2\textcolor{#C58AF9}{a}}

Once in standard form, identify a, b, and c from the original equation and plug them into the quadratic formula.

x^{2}-121=0

a=\textcolor{#C58AF9}{1}

b=\textcolor{#F28B82}{0}

c=\textcolor{#8AB4F8}{-121}

x=\frac{-\textcolor{#F28B82}{0}\pm \sqrt{\textcolor{#F28B82}{0}^{2}-4\cdot \textcolor{#C58AF9}{1}(\textcolor{#8AB4F8}{-121})}}{2\cdot \textcolor{#C58AF9}{1}}

4

Simplify

Evaluate the exponent

Multiply the numbers

Add the numbers

Evaluate the square root

Add zero

Multiply the numbers

x=\frac{\pm 22}{2}

5

Separate the equations

To solve for the unknown variable, separate into two equations: one with a plus and the other with a minus.

x=\frac{22}{2}

x=\frac{-22}{2}

6

Solve

Rearrange and isolate the variable to find each solution

x=11

x=-11

4 0
2 years ago
I don’t understand stand what I have to do with the numbers
OLEGan [10]
Im pretty positive you multiply all the sides then you get your answer so
5.2 x 2.4
12.48
take 12.48 * amount of sides which is 12
answer 149.76

hope im right and hope that helps!
5 0
3 years ago
What capacity is more appropriate for a bath tub,200 liters or 34000 milliliters
katovenus [111]
1l=1000ml=>x l=34000 ml=>x=34000/1000=>x=34ll.......... The correct answer is 200l,no 34000
6 0
3 years ago
A drawer contains 5 red socks, 9 white socks, and 6 blue socks. Without looking, you draw out a sock and then draw out a second
dexar [7]

Answer:P = Number of favourable outcomes ÷ Sum of total outcomes

So, Probability of drawing a blue sock is

Number of blue socks ÷ Number of total socks

= 6 ÷ 20

= 3 ÷ 10

= 0.3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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