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Gnoma [55]
3 years ago
6

After the data was recorded in the dot plot, another response was found for a participant who watches 30 hours of television eac

h week. How will this additional data point affect the mean number of hours of television watched each week? OA The effect on the mean number of hours cannot be determined. OB. The mean number of hours will remain the same. O c. The mean number of hours will decrease. OD. The mean number of hours will increase. please help ​

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

Answer:

I think its A

Step-by-step explanation:

...

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Find the slope of the line 3,0 and 0,-3
liubo4ka [24]

Answer:

1

Step-by-step explanation:

The slope of the line is 1. To find slope use the formula \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }, this calculates the change in y over the change in x. So plug in the known values \frac{0+3}{3-0}, this equals 3/3 or 1. This means every time y increases by 1, x will also increase by 1.

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3 years ago
Write two multiplication equations using fractions and mixed numbers. Write one equation that will have a product greater than t
HACTEHA [7]
13=6×2 40×5=200>2 that is how solved it.
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3 years ago
A Ferris Wheel is built such that the height in feet above ground of a seat on the wheel at time t seconds can be modeled by h(t
MAVERICK [17]

Answer:

at time, t = 8 seconds and t = 24 seconds Ferris Wheel be 53 feet above the ground

Step-by-step explanation:

Data provided in the question:

height in feet above ground of a seat on the wheel at time t seconds is

modeled as

h(t) = 53 + 50\sin((\frac{\pi t}{16} - \frac{\pi}{2})

now,

at height 53 above the ground, we get the equation as:

53 = 53 + 50\sin(\frac{\pi t}{16} - \frac{\pi}{2})

or

50\sin(\frac{\pi t}{16} - \frac{\pi}{2}) = 53 - 53

or

\sin(\frac{\pi t}{16} - \frac{\pi}{2}) = 0

also,

sin(0) = 0

and,

sin(π) = 0

therefore,

(\frac{\pi t}{16} - \frac{\pi}{2}) = 0

or

\frac{\pi t}{16} = \frac{\pi}{2}

or

t = 8 seconds

and,

(\frac{\pi t}{16} - \frac{\pi}{2}) = π

or

\frac{\pi t}{16}= \pi + \frac{\pi}{2}

or

\frac{\pi t}{16}= \frac{3\pi}{2}

or

t = 24 seconds

Hence,

the at time, t = 8 seconds and t = 24 seconds Ferris Wheel be 53 feet above the ground

7 0
3 years ago
Three friends fill bags with trash at a neighborhood cleanup. Randall's bag weighs
BabaBlast [244]

Answer:

Randall picks up 68 pounds

Seth picks up 40 pounds

Joanna picks up 52 pounds

Step-by-step explanation:

Let us make an equation in x to find it

∵ Randall's bag weighs  3x - 7 pounds

∵ Joanna's bag weighs  2x + 2 pounds

∵ Seth's bag weighs 2x - 10 pounds

∵ Randall's and Joanna's bags weigh 3 times as much as  Seth's bag

- That means add Randall's bag and Joanna's bag and equate

    the sum by 3 times Seth's bag

∵ Randall's bag + Joanna's bag = 3(Seth's bag)

∴ (3x - 7) + (2x + 2) = 3(2x - 10)

- Simplify the two sides

∴ (3x + 2x) + (-7 + 2) = 3(2x) - 3(10)

∴ 5x + (-5) = 6x - 30

∴ 5x - 5 = 6x - 30

- Add 5 to both sides

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- Subtract 6x from both sides

∴ -x = -25

- Divide both sides by -1

∴ x = 25

Substitute x by 25 in the weight of each bag

∵ Randall's bag weighs = 3(25) - 7 = 75 - 7

∴ Randall's bag weighs = 68 pounds

∵ Seth's bag weighs = 2(25) - 10 = 50 - 10

∴ Seth's bag weighs = 40 pounds

∵ Joanna's bag weighs  = 2(25) + 2 = 50 + 2

∴ Joanna's bag weighs  = 52 pounds

7 0
3 years ago
Read 2 more answers
Alvin has a prism-like water tank whose base area is 0.9 square meters and height is 0.6 meters. He wants to
lara [203]

Answer:Alvin can have 2 fish

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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