Answer:
9.76
Step-by-step explanation:
area of a rectangle = length * breadth
length = (2x + 3)
breadth = x
given area is 220 sq. inches.
thus,
220 = x * (2x+3)
220 = 2x² +3x
2x² + 3x -220 = 0
x = (-b + √ ( b²-4ac) ) ÷ 2a
x = ( -3 + √ ( 3² - 4*2*220) ) ÷ 2*2
x =9.76
Answer:ig so
Step-by-step explanation:34+10+100=144
12x12=144 same thing
Answer:
7:12
Step-by-step explanation:
boys=5
girls=7
total=boys+girls
12=5+7
girls:total
7:12
Answer:
This is not a question.
Step-by-step explanation:
Answer: 46 jumping jacks per minute
Step-by-step explanation: Divide the total number of jumping jacks (184) by the time (4 minutes). Since she is going at a constant rate, this would be equal to 46 jumping jacks per minute. On a coordinate plane, this would be a linear function.