3 years ago

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Mathematics

1 answer:

yan [13]3 years ago

3 0

Answer:i dfont kngodw

Step-by-step explanation:

its probably c

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7- a. What is the radius of the circle with center (3,10) that passes through (12,12)?

loris [4]

Answer: a. Radius of circle = $\sqrt{85}$

b. The equation of this circle : $(x-3)^2+(y-10)^2=85$

Step-by-step explanation:

Given : Center of the circle = (3,10)

Circle is passing through (12,12).

a. To find the radius we apply distance formula (∵ Radius is the distance from center to any point ion the circle.)

Radius of circle = $\sqrt{(12-3)^2+(12-10)^2}$

Radius of circle = $\sqrt{(9)^2+(2)^2}=\sqrt{81+4}=\sqrt{85}$

i.e. Radius of circle = $\sqrt{85}$

b. Equation of a circle = $(x-h)^2+(y-k)^2=r^2$ , where (h,k)=Center and r=radius of the circle.

Put the values of (h,k)= (3,10) and r= $\sqrt{85}$ , we get

$(x-3)^2+(y-10)^2=(\sqrt{85})^2$

$(x-3)^2+(y-10)^2=85$

∴ The equation of this circle : $(x-3)^2+(y-10)^2=85$

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The adults of a certain type of insect have a mean length of 0.6 inch. The students in a science class measured 10 insects of th

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Answer:

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Write an equation to match each graph:please help me?<br><br>

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Y = 5x
Y is vertical axis, x is horizontal. Whatever the value of x is, y is 5 times that number

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Temperature in degrees Fahrenheit can be converted into degrees Celsius using the formula C=5(F-32)/9

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Answer:

F= (9C+160)/5

Step-by-step explanation:

C=5(F-32)/9

make F the subject of the formula= isolate F

5(F-32)=9C

5F-160=9C

5F=9C+160

F= (9C+160)/5

check: a, b, c are all positive integers (a=9, b=160, c=5)

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Answer:
1/2

Solution: plugging in the given information into the formula you get 2/4 which simplifies to 1/2

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