This is the concept of algebra, given that the length of the rectangle is 5x-2 and the width is 3x+1, the perimeter is 2(5x-2)+2(3x+1). To get the total distance Zohar needs to cut with the scissors, we substitute the value of x=4 in the expression for perimeter. Hence we shall have:
2(5x-2)+2(3x+1)
=2(5*4-2)+2(3*4+1)
=2(20-2)+2(12+1)
=2(18)+2(13)
=36+26
=62 cm
The answer is 62 cm
Answer:
5 boxes
Step-by-step explanation: There are 20 students, and the teacher needs 5 boxes for the entire class of 20 students. It's a trick question. The answer is 5 I think. If not, the answer is 4 because 20/5=4
Answer:
Fertilizer B produced a 15% greater yield
Step-by-step explanation:
Mean yield fertilizer A = 20.2
Mean yield fertilizer B = 23.2
Thus, 23.2 − 20.2
20.2
= 0.1485 ≈ 0.15 or 15%
Note:
1: tens
2: ones
.
1: tenths
5: hundredths
3: thousandths
7: ten-thousandths
You are solving for thousandths. Look at the number in the ten-thousandths place. It is a 7. Because 7 is greater than 5, you round up
12.1537 => 12.154
12.154 is your answer
hope this helps
Should be about 6870.66 maybe