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NISA [10]
3 years ago
10

Leon scored 20 points in yesterday's

Mathematics
1 answer:
Klio2033 [76]3 years ago
3 0

Answer:

5 points

Step-by-step explanation:

leon=x=20

alex=y

x=4y

20=4y

5=y

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3/7=42 what is the whole amount
postnew [5]
The fraction for this would be 42
The percentage will be 42.85714285%

6 0
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HELP TIMED TEST!!!!!!
aalyn [17]

Answer:

-4 and 9

Step-by-step explanation:

factored

(x - 9)(x + 4) = 0

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so  x = 9  or  x = -4

7 0
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9. At soccer practice, Joan kicked the ball 22 feet. This was 3 feet shorter than Joe kicked the ball. Write and solve a subtrac
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4 0
2 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
Write 3.141 in expanded notation
Strike441 [17]
Three and one hundred forty one hundredths <span />
7 0
3 years ago
Read 2 more answers
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