9-x/5=3 what does x equal
Answers
Add x/5
to each side: 9 = 3 + x/5
Subtract 3
from each side: 6 = x/5
Multiply each side by 5 : 30 = x
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If you add 12 marshmallows to each of 5 bags of marshmallows, and each bag started with the same number of marshmallows, the total number of marshmallows is given by the expression 5(x + 12). Identify an equivalent expression.A.) x + 12 B.) 2x − 60 C.) 5x + 60 D.)2x − 60
The fastest elevators in the Burj Khalifa can travel 330 feet in just 10 seconds. How far does the elevator travel in 12 seconds?
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Answers
Answers
Answer: The correct option is (B) 1 mile per hour per month.
Step-by-step explanation: Given that Jason is training for a marathon bike ride. His average speed increased from 3 miles per hour to 6 miles per hour in 3 months.
We are to find the rate of change in the miles per hour that Jason bikes.
We know that
the average rate of change between the points (a, b) and (c, d) is given by
Since the number of months vary from 0 to 3, and the speed increases from 3 miles per hour to 6 miles per hour,
so the two points on the co-ordinate plane with number of months plotted across X-axis and average speed plotted on Y-axis are (0, 3) and (3, 6).
Therefore, the average rate of change in the miles per hour that Jason bikes is
Thus, the required rate of change is 1 mile per hour per month.
Option (B) is correct.
3 hours and 15 minutes
3 hours and 45 minutes
4 hours, and 15 minutes
Answers
The elapsed time between 4:25 and 7:40 is 3 hours and 15 minutes.
Given that two times 4:25 and 7:40, we need to calculate the time elapsed between these two.
To calculate the elapsed time between 4:25 and 7:40, you need to subtract the starting time from the ending time.
First, let's calculate the difference in hours. From 4:25 to 7:40, we can see that the hours have changed from 4 to 7, which means 3 hours have passed.
Next, let's calculate the difference in minutes. From 4:25 to 7:40, the minutes have changed from 25 to 40.
This means that an additional 15 minutes have passed.
Therefore, the elapsed time between 4:25 and 7:40 is 3 hours and 15 minutes.
Learn more about subtraction click;
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Answers
P=2(L+W)
40=P
L=x-3=L (since we are solving for Legnth not specifically x)
W=4
40=2(L+4)
divide both sides by 2
20=L+4
minus 4 both sides
16=L
legnth=16 cm (x=19 just fyi)
2x-6+8=40
2x+2=40
2x=38
x=19
Length=(x-3)=(19-3)=16 cm
help please....
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6(y) =6y
4(6)= 24
Answers
Answer:
1 2/9
Step-by-step explanation:
Answer: I- I- okay I’m not gonna answer that I-
Step-by-step explanation: