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3 years ago

Find the area of a square with 6 1/2

Mathematics

1 answer:

koban [17]3 years ago

6 0

Answer:

I'm guessing the 6 1/2 means the length of one side so you would just multiply 6 1/2*6 1/2 and that equals 42.25 (or 169/4)

Step-by-step explanation:

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

6 0

3 years ago

2 divided by square root 13 plus square root 11

coldgirl [10]

Answer: 3.87132498658 in other words 3.871

Step-by-step explanation:

4 0

2 years ago

A red die is tossed and then a green die is tossed what is the probability that the red die shows a six or the green die shows a

Dovator [93]

The red die would be 1/6 and the green die would be 1/6 but when you combine them you get the awnser 2/12.

6 0

3 years ago

How would you explain the proper use of distributive property ?

Maksim231197 [3]

Start with the word “distribute” meaning to pass equally. Now distributive property means to distribute equally. For example 2(4x+5) you wanna distribute the 2 amount the parentheses so that it’s”distributed evenly. 2(4x+5) is now 8x+10

3 0

3 years ago

Not working for me :::<br>need help<br><br>-3 < 3 x -5 < 4

gladu [14]

$-3 < 3 x -5 < 4\\ 2$

7 0

3 years ago