Answer:
x=-3
Step-by-step explanation:
lets make the "?" to a "x"
2+x=-1
do the math and its x=-3
so that means 2+-3=-1
60 miles an hr.. Because 180 divides by three is 60 and that is the answer per hr
Answer:
R = (c-a, b)
Step-by-step explanation:
You take the difference of the c-a because that's a rule of isoceles trapezoid.
R is on the same horizontal line as Q so the y coordinate is the same.
J=john
m=mary
j is 2 times as old as mary
j=2 times m
sum is 21
m+j=21
find mary
subsitute
j=2m therefor subsitute 2m for j
m+2m=21
add like terms
3m=21
divide by 3
m=7
mary=7
Answer:
24:40 or 3:5
Step-by-step explanation:
Boys: 24
All children: 24 + 16 = 40
Boys to total amount of children: 24:40
Simplify: 24:40 = 3:5