Answer:
The fan = x = 400
The heater = y = 3600
Step-by-step explanation:
Let the cost price of
The fan = x
The heater = y
Aaya bought a fan and a heater for Rs 4,000.
x + y = 4000
x = 4000 - y
He sold the fan at a profit of 25%
25% × x = 0.25x
And the heater at a loss of 5%.
5% × x = 0.05y
If he gained 7% on his total outlay, at
Hence:
0.25x + 0.05y = 7% × 4,000
0.25x + 0.05y = 280
Note:
x = 4000 - y
Hence:
0.25(4000 - y) + 0.05y = 280
1000 - 0.25y + 0.05y = 280
Collect like terms
-0.25y + 0.05y = 280 - 1000
-0.20y = -720
y = -720/0.20
y = 3600
x = 4000 - y
x = 4000 - 3600
x = 400
Hence, the price that he bought each item is given as:
The fan = x = 400
The heater = y = 3600
Answer:
Option A is the correct answer
Step-by-step explanation:
![f(x)=\sqrt[3]{2x}](https://tex.z-dn.net/?f=f%28x%29%3D%5Csqrt%5B3%5D%7B2x%7D)
![\bigg(\frac{f}{g}\bigg)(x)=\frac{\sqrt[3]{2x}}{4x+1},\:x\neq -\frac{1}{4}](https://tex.z-dn.net/?f=%5Cbigg%28%5Cfrac%7Bf%7D%7Bg%7D%5Cbigg%29%28x%29%3D%5Cfrac%7B%5Csqrt%5B3%5D%7B2x%7D%7D%7B4x%2B1%7D%2C%5C%3Ax%5Cneq%20-%5Cfrac%7B1%7D%7B4%7D)
Because by plugging x = -1/4 denominator of the fraction would become zero.
Division by zero is not defined.
Answer:
2,3,4,5
Step-by-step explanation:
Y=5x+7 is the answer i think
1 * 7 + 2 * 1 + 3 * 3 + 4 * 2 + 5 * 2 =
7 + 2 + 9 + 8 + 10 =
36
Now we need to divide 36 by the total frequency: 7+1+3+2+2=15
36 / 15 = 2.4
