Answer:
5 hours
Step-by-step explanation:
4/5 is 20 of 25, so there are 5 hours left which is your answer!
It is given that P(A) = 1/2 and P(B) = 0
P(A Î B) = P (A ∩ B) / P(B) = P (A ∩ B)/0
As zero is in the denominator, the expression can't be defined.
In short, final answer is not defined.
Hope it helped.
Answer:
x = 2, y = 1
Step-by-step explanation:
- 7x + 5y = 19
- -7x - 2y = -16
Use the elimination method to solve the system of equations. Add the terms from top to bottom. 7x and -7x cancel out.
0 + 3y = 3
Divide both sides by 3.
y = 1
Substitute 1 for y into the first equation.
7x + 5(1) = 19
7x + 5 = 19
Subtract 5 from both sides.
7x = 14
Divide both sides by 7.
x = 2
Answer:
The equation representing pounds of apples will has left
.
Will has left with 7 pounds of apples.
Step-by-step explanation:
Given:
Total pounds of apple = 20 pounds.
Pounds of apple used for apple sauce = 4 pounds
Pounds of apple used for apple butter = 6 pounds
Pounds of apple used for making juice = 3 pounds
We need to write the equation to represent pounds of apples will has left.
Solution:
Let us assume pounds of apples will has left be 'x'.
So we can say that;
pounds of apples will has left can be calculated by subtracting Pounds of apple used for apple sauce and Pounds of apple used for apple butter and Pounds of apple used for making juice from Total pounds of apple.
framing in equation form we get;

Hence The equation representing pounds of apples will has left
.
On Solving the above equation we get;

Hence Will has left with 7 pounds of apples.
Answer:
x = 3 or x = 1
Step-by-step explanation:
Solve for x over the real numbers:
x^2 - 4 x + 3 = 0
Subtract 3 from both sides:
x^2 - 4 x = -3
Add 4 to both sides:
x^2 - 4 x + 4 = 1
Write the left hand side as a square:
(x - 2)^2 = 1
Take the square root of both sides:
x - 2 = 1 or x - 2 = -1
Add 2 to both sides:
x = 3 or x - 2 = -1
Add 2 to both sides:
Answer: x = 3 or x = 1