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user100 [1]
3 years ago
13

Trevon spent 8 hours and 15 minutes at an amusement park yesterday. he spent 75% of the time at the park on rides. About how muc

h time did he spend in rides.
Mathematics
1 answer:
sammy [17]3 years ago
7 0
6 hours and 18 minutes
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URGENT I HAVE ALMOST 0 TIME LEFT I NEED LAST MINUTE HELP
jonny [76]

Answer:

The zeros are the points where the parabola intercepts the x-axis.

\sf x = 7 \implies x - 7 = 0

\sf x = 1 \implies x - 1 = 0

\sf \implies y = a(x - 7)(x - 1)  where a is some constant

If the parabola passes through point (3, 4) then:

\sf \implies a(3 - 7)(3 - 1) = 4

\sf \implies a(-4)(2) = 4

\sf \implies -8a = 4

\sf \implies a = -\dfrac12

So the equation of the parabola is:

\sf y = -\dfrac12(x - 7)(x - 1)

Or in standard form:

\sf y = -\dfrac12x^2+4x-\dfrac72

7 0
2 years ago
Factor completely. If a polynomial is prime, state this<br> -9+18x²+21x
grin007 [14]
Factoring completely you get: 3(3x-1)(2x+3)
3 0
3 years ago
Please answer this math
ohaa [14]
6 cm squared I believe
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3 years ago
Solve the system by graphing: y=-3x-3 and y=2x+2. Make sure you write your answer as an ordered pair: (x,y)
Rainbow [258]

Answer: (5, 12)

Step-by-step explanation:

Just graph the linear equations and find where they intersect.

Algebraically, you can set them equal to each other

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-x=5

x=5

Plug x=5 to any equation

y=2(5)+2

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3 0
3 years ago
A circular pizza has a diameter 10cm.what is the approximate area of the pizza?(use pi=3)
irina1246 [14]
You would multiply 10 times \pi (3.14)you would multiply 10 times  \pi and get 31.40 cm squared and get 31.40 cm squared
4 0
3 years ago
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