Answer:
78.5 inches
Step-by-step explanation:
A=(pi)r^2
divide diameter by 2 to get radius
radius = 5
3.14(5)^2 = 78.5
Answer: No
Step-by-Step Explanation:
Complementary angles are a set of angles that sum up to 90 degrees. Neither y nor x can be 90 since if it is, then the other angle would have to be 0 degrees which is not possible in a triangle.
Slope-intercept form is:

Where 'm' is the slope and 'b' is the y-intercept.
Only the first equation is in slope-intercept form, so that crosses out the first and last options. It also crosses out the second option since the first equation is already in slope-intercept form.
For the third option, let's convert the second equation into slope-intercept and see for ourselves:

Subtract 'x' to both sides:

Divide 3 to both sides:
So option C is correct.
Make 2 eqn, let a be apples and o be oranges:
1. 5a + 4o = 10
2. 5a + 5o = 11
set up an elimination:
1. minus 2.
5a + 4o = 10
- 5a + 5o = 11
____________
o = 1
sub “o” into one of the eqn
5a + 5(1) = 11
5a = 11-5
5a = 6
a = 6/5
a = 1.2
therefore, an orange costs $1.00 and an apple costs $1.20
Step-by-step explanation:
2/8 = u/12
cross multiply and we get:
24= 8u
u = 3
Topic: algebraic fractions
If you like to venture further, do check out my insta (learntionary) where I regularly post useful math tips! Thank you!