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jenyasd209 [6]
3 years ago
14

In a certain town 65% of homeowners watch cable TV, 40% watch Netflix, and 20% watch both.

Mathematics
1 answer:
REY [17]3 years ago
8 0

Answer:

.31

Step-by-step explanation:

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Which table represents a quadratic relationship?
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In each case, the x-values are equally-spaced. Thus looking at second differences will tell you if the relation is quadratic. If the second differences are non-zero and constant, then the values have a quadratic relationship.

A. First differences are 2-4 = -2, 1-2 = -1, 0.5-1 = -0.5. Second differences are -1-(-2) = 1, -0.5-(-1) = 0.5. Since 1 ≠ 0.5, this relation is not quadratic. (It is exponential with a base of 1/2.)

B. First differences are 128-135 = -7, 105-128 = -23, 72-105 = -33. Second differences are -23-(-7) = -16, -33-(-23)=-10. Since -16 ≠ -10, this relation is not quadratic. (It is cubic, since 3rd differences are constant at +4.)

C. First differences are -23.2-(-23.4) = 0.2, -23.0-(-23.2) = 0.2, -22.8-(-23.0) = 0.2. Second differences are zero, so this is not a quadratic relation. (It is linear, with a slope of 0.2.)

D. First differences are 56-90 = -34, 26-56 = -30, 0-26 = -26. Second differences are -30-(-34) = 4, -26-(-30) = 4. These are constant (=4), so the relation is quadratic.

The appropriate choice is ...

... D. x -1 0 1 2 3 4

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4 0
3 years ago
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The area of the base of a rectangular juice box is 4 1/2 sq.in. If the volume of the box is 18 cubic inches, how tall is the box
Ksju [112]
Volume = Area x Height. We are given Volume and Area, so plug in and solve for Height (Height = Volume/Area)

18in^3 = 4.5 in^2 x Height (divide both sides by 4.5) -> 4in = Height
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3 years ago
Determine the coordinates of the point shown.
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Hope this helps!!!
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Its a rational number but also a integer and could never be a whole number because its a negative and whole numbers are always positive
 
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So, the question asks for 64 % of the number 75, which can also be written as:

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\frac{64}{100}

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\frac{64}{100} *75= \frac{64}{4} *3=16*3=48

so the answer is 48.
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