Consider this option:
1. formula of perimeter is: P=2(a+b), where a & b - the sides of rectangle.
2. according to the condition 2(x+(x+4))<120; ⇒ x<28
answer: D. x<28
Answer:
23!
Step-by-step explanation:
529/23= 23
23 chairs and 23 rows
Answer:
y=15
x=43
(any variable can be used, I used x and y to make it easier to show)
Step-by-step explanation:
x+y=58
x-y=28
get x by its self
x=58-y
then subsitute into the other equation
(58-y)-y=28
58-2y=28
-2y=-30
y=15
sub. again
x+15=58
x=43
Estimated would be 700 x 80
Answer:
Mean: 16.75
Median: 15.5
Mode: 13
Range: 16
Minimum: 9
Maximum: 25
Count n: 16
Sum: 268
Step-by-step explanation:
hope this helps!