First way. you could round to the tens place and add. 370 + 230 about 600.
round to the nearest hundreds. 400 plus 200. about 600.
Answer:
Step-by-step explanation:
we have
----> equation A
----> equation B
Solve the system by substitution
step 1
isolate the variable x in the equation A
----> equation A1
step 2
Substitute the equation A1 in the equation B
Solve for y
Answer:
r=1/4
Step-by-step explanation:
y=1/4*x
2=1/4*8
1/4*8=2
Answer:
Positive 37
Step-by-step explanation:
Answer:
x=22
Step-by-step explanation:
Since the two triangles are similar we can set up two ratios...
(sorry if these numbers are wrong the picture isn't very clear)
38:15.2
We can simplify this ratio into...
2.5:1
Now we solve for x
55:x
We divide 55 by 2.5
55/2.5=22
x=22
