Solve the simultaneous equations 2x+2y=15

We need to find a relationship between the equations.

Let's solve for one variable.

2x + 2y = 15

2y = 15 - 2x

We know what 2y is in relation to x. Now we can solve.

2x + 15-2x = 15

15 = 15

Unless there are more equations, this is your answer. For it to be simultaneous you need more than one equation.

x = −y + 15/2

Step-by-step explanation:

2x + 2y = 15

2x + 2y + −2y = 15 + −2y

2x = −2y + 15

2x /2 = −2y +15 /2

x = −y + 15/2

x = central angle apc = measure of minor arc ac

the two angles x and 30 add to 180, so x+30 = 180 and x = 180-30 = 150. the measure of minor arc ac is 150 degrees.

what we need to do from here is find the circumference and then multiply it by x/360 since there are 360 degrees in a circle. in this case, x = 150, so x/360 = 150/360 = 15/36 = 5/12. the shortest distance along the curve from a to c is 5/12 of the distance around the entire circle (aka circumference)

c = circumference

c = pi*d

c = pi*24

c = 24pi

now multiply this by 5/12 to get

distance along minor arc ac = (5/12)*(circumference)

distance along minor arc ac = (5/12)*(24pi)

distance along minor arc ac = 10pi

the formula you can use is

l = (x/360)*pi*d

with

l = length of minor arc

x = central angle

d = diameter

which essentially is the steps we took though a bit differently.

5 pm

step-by-step explanation: