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4 years ago

I don't understand how to do this

Mathematics

1 answer:

Delicious77 [7]4 years ago

8 0

Hope the work shown helps!

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Would i add both of the coordinate numbers in this case?

fredd [130]

I Think You Plug in the X And Y Axis And You Will Get It

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4 years ago

Can anyone help me please solving these maths problems, first time. Thanks.

olga_2 [115]

I think the answer is 2/2

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4 years ago

determine an equation and the radius for the circle that has its centre at the origin (0,0) passes through the point A 4-3

g100num [7]

Given:

The center of the circle is at (0,0).

The circle passes through the point A(4,-3).

To find:

The radius and the equation of the circle.

Solution:

Distance formula:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

The radius of the circle is the distance between the points (0,0) and (4,-3).

$r=\sqrt{(4-0)^2+(-3-0)^2}$

$r=\sqrt{(4)^2+(-3)^2}$

$r=\sqrt{16+9}$

$r=\sqrt{25}$

$r=5$

So, the radius of the circle is 5 units.

The standard form of a circle is

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

Where, (h,k) is center of circle and r is the radius.

Putting h=0, k=0, r=5, we get

$(x-0)^2+(y-0)^2=5^2$

$x^2+y^2=25$

Therefore, the radius of the circle is 5 units and the equation of the circle is $x^2+y^2=25$ .

6 0

3 years ago

Hellppppp 20 points and brainliest!!!

Sauron [17]

A,B and E

Explanation:

If it is 4 for $5 we would create a ratio and unit rate to test out all of the options

We want to know how much one costs first
4/5 = 1/$1.25

So you test out all options:

A. 1.25/1=6.25/5 this is correct
B. 1.25/1=3.75/3 this is correct
C. 1.25/1=9/6 this is NOT correct
D. 1.25/1=1.5/1 this is NOT correct
E. 1.25/1=12.5/10 this is correct

6 0

3 years ago

Read 2 more answers

A car travels 255 miles in 3 3/4 at a constant speed. How many miles is the car traveling per hour?

disa [49]

Answer:

eighty thousand one hundred and seventy

4 0

3 years ago