Answer:
B = 2
Step-by-step explanation:
Pull out like factors:
16b - 32 = 16 • (b - 2)
16 • (b - 2) = 0
Solve: 16 = 0
Solve: b-2 = 0
B = 2
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The formula for volume of a rectangular prism is L x W x H
we can replace the letters with the information given and then solve for the missing letter:
240 cm^3 = 12 x 4 x H
multiply 12 and 4:
240 = 48 x H
now to solve for H divide both sides by 48:
h = 240/48
H = 5
the height is 5 cm
Answer:
C. 1.5w^2 + 7.5w + 9
Step-by-step explanation:
Without frame:
The width is w. The height is 1.5w.
With frame:
The width is w + 1.5 + 1.5 = w + 3
The height is 1.5w + 1.5 + 1.5 = 1.5w + 3
The area of the framed portrait is height * width
area = (1.5w + 3)(w + 3)
area = 1.5w^2 + 4.5w + 3w + 9
area = 1.5w^2 + 7.5w + 9
Multiply the answer by 100.
You would know if it is a linear function if it is a line.
The parent function of a linear equation is y = mx + b
If you can find the m which equals slope and the b which is the y-intercept then it is a linear equation.
You would know that it is decreasing by the slope of the equation or by looking at the line on a graph.
If a line is increasing it would go left to right in the positive direction. But in your line, the line is going from right to left which means that it is decreasing. Once you look at a four quadrant graph you would understand that there are negatives and positives.
To find it on a equation, your slope would have to be a negative slope to be decreasing.
