they are parallel to each other so find it out from there
Answer:
1. B
2. A
3. B
Step-by-step explanation:
1. Can be checked using the vertical line test. By placing a vertical line at any x value, there can only be one point at which the line meets a part of the graph.
2. An x value can only correspond to one y value. B is incorrect since the x value of 5 is both -4 and 1 for the y values.
3. Same as above but with x and y charts. A x value can only correspond to one y value. A is incorrect as two of the same x values (2) appears and corresponds to two different y values (5 and 6).
Answer:
112 m³
Step-by-step explanation:
Let's calculate first the voulume of the tank
the volume of thi tank is given by :
- V = l*w*h
- l is the length
- w is the width
- h is the height
so the volume is :
Multiply by 2/3 to get the volume of the water
- V' = 168*(2/3)
- V' = 112 m³
Answer:
The third reading must be between 6.3 and 8.1 inclusive.
Step-by-step explanation:
To find the average of three numbers, add the three numbers and divide by 3.
Let the third reading = p.
The average of the three readings is
This average must be between 7.2 and 7.8 inclusive. "Inclusive" means that the values 7.2 and 7.8 are allowed. That means the average must be greater than or equal to 7.2 and less than or equal to 7.8. We can write this as the following inequality.
Simplify the numerator.
Multiply the three sides by 3.
Subtract 15.3 from the three sides.
Answer: The third reading must be between 6.3 and 8.1 inclusive.
Answer:
(x+5)^2 = 1
Step-by-step explanation:
x^2+10x+24 = 0
Subtract 24 from each side
x^2+10x+24 -24 = 0-24
x^2+10x = -24
Take the coefficient of x
10
Divide by 2
10/2 =5
Square it
5^2 = 25
Add it to each side
x^2+10x+25 = -24+25
Take the coefficient divided by 2 inside the factor
(x+10/2) ^2 = -24+25
(x+5)^2 = 1
