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3 years ago

14

Answer A , B , C or D. Need some help!

1 answer:

creativ13 [48]3 years ago

3 0

Answer:

c

Step-by-step explanation:

system of linear equations contains two or more equations e.g. y=0.5x+2 and y=x-2. The solution of such a system is the ordered pair that is a solution to both equations. ... The solution to the system will be in the point where the two lines intersect.

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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

I need a word problem for this system of equation y=-80x+300. and I also need to explain the initial value and discuss the rate

photoshop1234 [79]

Answer:

15\4

Step-by-step explanation:

7 0

3 years ago

4/5 n = 9/10<br>solve n

Alex787 [66]

N =9/8
n = 1 1/8

Hope this helpsb☺

6 0

3 years ago

Sergio039 [100]

Answer:

Subtract 6

Step-by-step explanation:

The answer is subtract six because you subtract six every time in the pattern.

7 0

3 years ago

Read 2 more answers

A square sandbox has an area of 75 square feet. Estimate the length of one of the sides of the sandbox to the nearest tenth.

andrey2020 [161]

Answer: I belive the answer would be 18.8

Step-by-step explanation: 75/4= 18.75 rounded to the nearest tenth would be 18.8

8 0

3 years ago