Each triangle has a sum of angles that equal 180° so set each angle measure = 180
(x + 66) + (x + 86) + 50 = 180; add accordingly
2x + 202 = 180; subtract 202 from both sides
2x = -22; divide both sides by 2
x = -11
Plug in -11 for x to check
(-11 + 66) + (-11 + 86) + 50 = 180
55 + 75 + 50 = 180
180 = 180 so -11 is the correct value of x
Answer:
B
Step-by-step explanation:
round the mean down
The correct answer is C.
When you have two fractions being divided, you can flip the second one and then multiply straight across. So in this case the top of your final answer would be the numerator of the first fraction multiplied by the denominator of the second:
(3x - 6)(2x - 1) = 6x^2 - 15x + 6
Then the bottom of your answer would be the denominator of the first fraction multiplied by the numerator of the second one:
x^3(x - 2) = x^4 - 2x^3
So firstly, we have to convert 6.5 cm into km. Do this by multiplying 6.5 by 8:
Next, we have to convert km to miles. Do this by multiplying 52 by 0.621:
<u>The cities are (rounded to the tenths) 32.3 miles from each other.</u>
Answer:
a) x + y
b) m x 7 or 7m
c) m x 3 or 3m
d)
Step-by-step explanation:
a) the sum of x and y
- the sum most likely always means addition
b) the product of m and 7
- the product usually means multiplucation
c) the cost of 3 movie tickets at m dollars each
- so your getting 3 movie tickets at $m
the total would be m + m + m which is the same as mutiplying m by 3
d) 3 less than n, all divided by 4
- 3 less than n
less than usually means subtraction
than divided by 4