Answer:
the first one A the sum of the angles are 10x+10 For the second one B the sum wud be 8x+20
Step-by-step explanation:
you juts add them all together
If the exam is worth (only!) 15%, then the class average is worth (100-15)=85%.
The grade will then be 54*0.85+0*0.15= 45.9%
The letter grades (if any) will vary from school to school.
Answer:
a = 50°, b = 130°, c = 20°
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
Sum the 3 angles in the right triangle
a + 40° + 90° = 180°
a + 130° = 180° ( subtract 130° from both sides )
a = 50°
a and b are adjacent angles and sum to 180° , so
a + b = 180°
50° + b = 180° ( subtract 50° from both sides )
b = 130°
Then sum the angles in the top triangle, that is
30° + 130° + c = 180°
160° + c = 180° ( subtract 160° from both sides )
c = 20°
Answer:
1/4
Step-by-step explanation:
We can find the slope of a line given two points from the formula
m = (y2-y1)/(x2-x1)
= (-2--1)/(-12--8)
= (-2+1)/(-12+8)
=-1/-4
= 1/4
Let number of $250 bonus = x
Let number of $750 bonus = 7
Given that total bonus amount awarded is $3000. So we can write equation:
250x+750y=3000
750y=3000-250x



Given that both type of bonus awarded are at least one.
So that means y>1 and x>1
Now we have to find any one possible solution.
Number of awards can only be whole numbers so we can plug x=2,3,4,... to see which one satisfies above equation and gives x as whole number.
I found that x=3 is working good.
at x=3, we get:



y=3
Hence final answer is given by:
Number of $250 bonus = 3
and number of $750 bonus = 3