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2 years ago

H e l p i n e e d h e l p

Mathematics

2 answers:

Sedbober [7]2 years ago

6 0

I’m so sorry I don’t know how to answer this is just to ask another question cuz I need help with math I’m so sorry I hope you get a great answer

GarryVolchara [31]2 years ago

5 0

Answer:

OML I have no flipping clue...

Step-by-step explanation:

sorry friend, I just don't know, but thanks for the points☺

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How would you solve this? help.

Eddi Din [679]

Answer:

Center: (3,3)

Radius: $2\sqrt{5}$

Step-by-step explanation:

Midpoint and Distance Between two Points

Given two points A(x1,y1) and B(x2,y2), the midpoint M(xm,ym) between A and B has the following coordinates:

$\displaystyle x_m=\frac{x_1+x_2}{2}$

$\displaystyle y_m=\frac{y_1+y_2}{2}$

The distance between both points is given by:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Point (5,7) is the center of circle A, and point (1,-1) is the center of the circle B. Given both points belong to circle C, the center of C must be the midpoint from A to B:

$\displaystyle x_m=\frac{5+1}{2}=\frac{6}{2}=3$

$\displaystyle y_m=\frac{7-1}{2}=\frac{6}{2}=3$

Center of circle C: (3,3)

The radius of C is half the distance between A and B:

$d=\sqrt{(1-5)^2+(-1-7)^2}$

$d=\sqrt{16+64}=\sqrt{80}=\sqrt{16*5}=4\sqrt{5}$

The radius of C is d/2:

$r =4\sqrt{5}/2 = 2\sqrt{5}$

Center: (3,3)

Radius: $2\sqrt{5}$

8 0

2 years ago

10.1 Populations and Samples

Natalija [7]

I think you can multiply how many are defective in a sample by how much more stuff there is

3 0

2 years ago

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2(x + 8) = x + 20 help meeeeeeee !!!!! i need help

Ivenika [448]

Answer: x=4

Step-by-step explanation:

firstly you solve the barracks first by multipy 2 into ( x+8) after that you collect like terms on one side of the equation or make x become the subject of the equation and solve for x

7 0

2 years ago

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During a sale, a dress is sold at discount of 15%. The original price of the dress is $ 60. What is the price of the dress after

ycow [4]

15/100=0.15
60*0.15=9
60-9=$52 after discount

7 0

2 years ago

The sum of the lengths of any two sides of a triangle must be greater than the third side. If a triangle has one side that is 8

julsineya [31]

Good afternoon,

First side= 8cm
Third side= x
Second side= 2x-4

We know that the sume of the lenghts of any two sides must be greater than the third side, so:

$Second \,\,\,\,side+Third\,\,\,\,side>First\,\,\,\,side \\ 2x-4 + x >8 \\ 3x>12 \\ x>4
$

Answer: Third side= x ; where: x>4 or (4,+infinity)
Second side= 2x-4 ; where: x>4 or (4,+infinity)

3 0

2 years ago