Answer:
x = 12W
Step-by-step explanation:
Let x = power consumption of the LED bulbs.
Writing the ratio as a fraction;
Cross multiplying, we have;
x = 12
Therefore, the power consumption of the LED bulbs is 12W.
R
x = 12W
Step-by-step explanation:
Let x = power consumption of the LED bulbs.
Writing the ratio as a fraction;
Cross multiplying, we have;
x = 12
Therefore, the power consumption of the LED bulbs is 12W.
Ratio;
Given:
Melinda walked to the mall at 4 miles per hour and then rode back home in a bus at 24 miles per hour.
Total traveling time was 14 hours.
To find:
The distance between Melinda's house and mall.
Solution:
Formula used:
![Time=\dfrac{Distance}{Speed}](https://tex.z-dn.net/?f=Time%3D%5Cdfrac%7BDistance%7D%7BSpeed%7D)
Let x miles be the distance between Melinda's house and mall.
Melinda walked to the mall at 4 miles per hour. So, the time taken by Melinda is
hours.
Speed of bus is 24 miles per hour. So, the time taken by bus is
hours.
Total traveling time was 14 hours.
![\dfrac{x}{4}+\dfrac{x}{24}=14](https://tex.z-dn.net/?f=%5Cdfrac%7Bx%7D%7B4%7D%2B%5Cdfrac%7Bx%7D%7B24%7D%3D14)
![\dfrac{6x+x}{24}=14](https://tex.z-dn.net/?f=%5Cdfrac%7B6x%2Bx%7D%7B24%7D%3D14)
![7x=14\times 24](https://tex.z-dn.net/?f=7x%3D14%5Ctimes%2024)
Divide both sides by 7.
![\dfrac{7x}{7}=\dfrac{14\times 24}{7}](https://tex.z-dn.net/?f=%5Cdfrac%7B7x%7D%7B7%7D%3D%5Cdfrac%7B14%5Ctimes%2024%7D%7B7%7D)
![x=2\times 24](https://tex.z-dn.net/?f=x%3D2%5Ctimes%2024)
![x=48](https://tex.z-dn.net/?f=x%3D48)
Therefore, the mall is 48 miles far from Melinda's house.
Answer:
The first rate was 120
The second rate was 85
Step-by-step explanation:
r1 = x
r2 = y
10*x + 15*y = 2650
x + y = 205 Multiply this equation by 10
10x + 10y = 2050 Subtract this equation from the top equation.
10x + 15y = 2650
10x + 10y = 2050
5y = 600
y = 600/5
y = 120
x + y = 205
x + 120 = 205
x = 205 - 120
x = 85
Answer: Exponential
Step-by-step explanation:
Has a curve
A P E X
Answer:
I think the answer is 10 full 6Kg boxes
my first answer if you saw it was miscalculated, sorry.