integers
what is:
-20+3
-17
d+8=20
d=?
d=12
True or False; Adjacent angles never share the same vertex
False
two angles ___________ if the sum of their is 90
complementary
are 3/4 and 4/3 proportional
no.
-17-82
-99
2x+2=10
x=4
True or False; Angles are vertical when they form two pairs of angle with the same measures
True
two angles are ____ if their sum is 180
supplementary
are 5/4 and 10/8 proportional
yes
what is -21 divided by 7?
-3
2d+5-2=13
d=5
50
if x and y are supplementary angles then x is right
sometimes
how would you write 3 boys for every 5 girls as a fraction
3/5
what is -8 times -3?
24
2x-2=10
x=4
If two angles have a sum of 180 and one angle is 30 degrees, what degree is the other angle?
150
if x and y are complementary angles then y is acute
always
3 gallons of gas causes a car to go 21 miles. how many miles does the car go per gallon of gas?
7 miles
-2+4
2
2c+15-7=18
c=5
The sum of two angles adds up to 90 degrees. One angle is 31 degrees and the other is (x+4) degrees. What is the degree of the other angle?
59
if x is a right angle and y is an acute angle then x and y are supplementary angles
never
there are 50 oranges and 25 apples. How many oranges per apple?
2 oranges