Answer:
its . 6
Step-by-step explanation:
e2020
Step-by-step explanation:
6) x+y=60
x/y=7/5------(2)
x=(7/5)y
(7/5)y + y =60
(12/5)y=60
y=60(5/12)
y= 25
x=(7/5)y=(7/5)×25 =35
the two numbers are 35 and 25
7)distance walked by A = 4t
distance walked by B = 5t
4t+5t=27
9t=27
t=27/9=3hours
Answer:
B. 70%
Step-by-step explanation:
7/10 of the numbers are more than 5
7/10= 70%
Answer: 200x.2=40
Step-by-step explanation:
200 students under 25
20%=.2
times each other make up 40 percent of the students don't know how to drive
Answer:
23 +15i
Step-by-step explanation:
Multiply the binomials in the usual way, then replace i² by -1 and simplify.
(5 +i)(5 +2i) = (5)(5) +(5)(2i) +(i)(5) +(i)(2i) = 25 +10i +5i +2i²
= 25 +15i +2(-1)
= 23 +15i
