Answer:
1 2/7
Step-by-step explanation:
4.5:3 1/2
45/10 ÷ 7/2
45/10 x 2/7
90/70=9/7
=1 2/7
Answer:
14.25 hours
Step-by-step explanation:
Four tires = 3/4 of an hour
=> 1 car = 3/4 of an hour
=> 19 cars = ?
=> If 1 = 3/4
=> 19 = 3/4 x 19
=> 3/4 x 19
=> 57/4
=> 14.25 hours
So, it would take 14.25 hours for 19 car's tires to be changed.
Answer:
smaller=x
larger=x+26
total=90
x+x+26=90
2x=64
x=32
<h2>the smaller=32</h2><h2>the larger =58</h2>
Answer:
28.27 inches
Step-by-step explanation:
circumference of a circle = πd
9π = 28.27
Answer:
D
Step-by-step explanation:
(I solved in the picture, firstly look at there)
after completing the square and factoring :



Hope this helps ^-^