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Citrus2011 [14]
2 years ago
12

Plz help with these questions

Mathematics
1 answer:
Hitman42 [59]2 years ago
7 0
Maybe try multiplying them
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Find the equation of the circle if one of the endpoints of the diameter is (-2,-3) and the midpoint of the circle's diameter is
tankabanditka [31]

Answer:

The answer to your question is    (x - 4)² + (y - 5)² = 100

Step-by-step explanation:

Data

Point = (-2, -3)

Midpoint = (4, 5)

Process

1.- Find the length of the radius using the formula of the distance between two points.

dPM = \sqrt{(x2 - x1)^{2}+ (y2 - y1)^{2}}

x1 = -2   y1 = -3   x2 = 4   y2 = 5

dPM = \sqrt{(4 + 2)^{2} + (5 + 3)^{2}}

dPM = \sqrt{(6)^{2} + (8)^{2}}

dPM = \sqrt{36 + 64}

dPM = \sqrt{100}

dPM = 10

2.- Find the equation of the line

                  (x - h)² + (y - k)² = r²

h = 4

k = 5

r = 10

                 (x - 4)² + (y - 5)² = 10²

                 (x - 4)² + (y - 5)² = 100

8 0
3 years ago
What The LCM of 30 and 75
PilotLPTM [1.2K]
The LCM is 150. 30 times 5 and 75 times 2
4 0
3 years ago
Can someone help a girl out? Thankyou!!
mamaluj [8]

Answer:

Step-by-step explanation:

13^{-x+10} =9^{-8x} \\13^{-x} *13^{10} =(9^{-8} )^x\\\frac{13^{10} }{13^{x} } =(\frac{1}{9^8} )^x\\(\frac{13}{9^8} )^x=13^{10}\\taking ~log\\x log \frac{13}{9^8} =10log13\\x[log13-log9^8]=10log13\\x[log13-8log9]=10log13\\x=\frac{10 log13}{log13-8log9}

3 0
2 years ago
Read 2 more answers
The price of an item had risen to $203 today. Yesterday it was $140. Find the percentage increase.
timama [110]

Answer:

145%

Step-by-step explanation:

140x=203

x=1.45

145%

4 0
3 years ago
What is the area of a circle with diameter = 4ft, using 3.14 for ? thx :)
Pavel [41]

Answer:

12.56

Step-by-step explanation:

6 0
3 years ago
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