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Andru [333]
3 years ago
8

Can someone help me with this problem? Please

Mathematics
1 answer:
Molodets [167]3 years ago
4 0
Semicircle g has center at (-4,0) and radius 2.

Use the general equation for a circle:

(x-h)^2 + (y-k)^2 = r^2

Here, the center is (h,k), where h = -4 and k=0.  Also, r = 2

So we have (x-[-4])^2 + (y-0)^2 = r^2 = 4

Let's solve for y in terms of x:

y^2 = 4 - (x+4)^2 

Since we are interested in only the bottom half of this circle,

y  =  - sqrt(4 - x^2 - 8x - 16)
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20,18,13,17,18 find the mean,median and mode​
Degger [83]
<h3>Answer:</h3>

Mean: 17.2

Median: 18

Mode: 18

<h3>Solution:</h3>

Mean: The sum of all observation divided by several observation

  • 20+18+13+17+18=86
  • 86÷5=
  • 17.2

Median:it is the middlemost observation of data arraged in increasing or decreasing order of values

  • (13,17,18,18,20)
  • (17,18,18)
  • (18)

Mode:it is the value that occurs frequently in a set of data

  • (13 , 17 , 18 , 18 , 20)

Hope it helps

6 0
2 years ago
Read 2 more answers
NEED HELP IMMEDIATELY. I WILL BRAINLIEST. NEED TO SOLVE FOR X INTERCEPT
Kay [80]

Answer:

(1+√7,0),(1−√7,0)

Step-by-step explanation:

You can't factor the expression evenly, so use the quadratic formula.

a = 2

b= -4

c= -12

\frac{-b+\sqrt{b^{2}-4ac } }{2a}

\frac{4+\sqrt{16{}-4(2)(-12)} }{2(2)}

\frac{4+\sqrt{16-4(-24)} }{4}

\frac{4+\sqrt{16+96} }{4}

\frac{4+\sqrt{112} }{4}

\sqrt{112} = 4\sqrt{7}

End result: (1+√7,0),(1−√7,0)

5 0
3 years ago
Which of the following best describes how the y values are changing over each interval? x y 1 20 2 40 3 80 4 160 5 320 They are
MAVERICK [17]
<h3>Answer</h3>

They are being multiplied by 2 each time.

4 0
2 years ago
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What is the equation of the circle with the given graph
AlexFokin [52]
(X+3)^2+(X-2)^2=9................
5 0
3 years ago
Help im timed The ratio of strawberries to bananas in a smoothie recipe are shown in the graph below.
Dmitriy789 [7]

Answer:

D

Step-by-step explanation:

Match the x and y coordinates with strawberries and bananas.

(6,1)

(12,2)

(18,3)

7 0
2 years ago
Read 2 more answers
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