Answer:
7 is what percent of 30
is = 7
of = 30
% = x
Step-by-step explanation:
x/100 = 7/30
cross multiply
(30)(x) = (7)(100)
30x = 700
x = 700/30
x = 23 1/3% or 23.33%
i hope that helps
Answer: D: Half turn about the origin
For functions, x’s can’t repeat, so looking at the first problem, C is the only one where the first number in each coordinate (x,y) doesn’t repeat.
For the second, x = -2 means that no x is always -2 matter which y you would look at. So x’s repeat and it forms a vertical line. So it is not a function
<u>Answer:</u>
Solve brackets
6(0.66x-3)>8
Multiply 6 with values in the bracket
<em>So, 6x0.66x and 6x-3</em>
4x- 18> 8
Since 4x and 18 are unlike terms, we will take 18 onto the other side, thus:
4x>8+18
4x>26
<em>Now to find the value of x, divide 4 on B.S</em>
x> 
X> 6.5
OR in 'fraction form'
X>
Hope this helps :D
Answer:
n=-4/3
Step-by-step explanation:
So the equation is -2/3n+7=15
First you subtract 7 from both sides: -2/3n+7-7=15-7 : -2/3n=8
Next multiply by 1/-2 on both sides, canceling out the -2 on the left and dividing 8 by -2 on the right: 3n=-4
Next divide by 3 on both sides
Answer: n=-4/3
