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kotegsom [21]
3 years ago
14

Show proof and work for brainliest

Mathematics
1 answer:
kirill [66]3 years ago
5 0
Since the total amount of students in the graph is 50, this means that 1 in every 25 students choose sports. There are however 200 students and not 50 in the question. 25 goes into 200 8 times, so there are 8 students doing sports.
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I need help I really hate math ‍♀️
netineya [11]

Answer:

Number of stickers per page = 8

Number of stickers in total = 72

Equation to find the number of pages of stickers in Jenny's notebook =

72 \div 8

=<u>></u><u> </u><u>Option D</u> is correct.

8 0
3 years ago
Read 2 more answers
A model rocket is launched from the ground with an initial velocity of 160 ft/sec. how long will it take the rocket to reach its
timama [110]
The formula we need is
h(t)=-16t^2+v_0 t+h_0, where <em>v</em>₀ is the starting velocity and <em>h</em>₀ is the initial height.  Using the velocity and starting height from our problem we have
h(t)=-16t^2+160t+0.  The path of this rocket will be a downward facing parabola, so there will be a maximum.  This maximum will be at the vertex of the graph.  To find the vertex we start out with x= \frac{-b}{2a}, which in our case is x= \frac{-160}{2(-16)}= \frac{-160}{-32} = 5.  It will take 5 seconds for the rocket to reach its maximum height.  Plugging this back into our formula gives us
h(5)=-16(5^2)+160(5)+0&#10;\\=-16(25)+800&#10;\\=-400+800=400
The rocket's maximum height is 400 feet.
We set our formula equal to zero to find the time it takes to hit the ground, then we factor:
0=-16t^2+160t+0&#10;\\0=-16t^2+160t&#10;\\0=-16t(t-10)
Using the zero product property, we know that either -16t =0 or t-10=0.  When -16t=0 is at t=0, when the rocket is launched. t-10=0 gives us an answer of t=10, so the rocket reaches the ground again at 10 seconds.
8 0
3 years ago
Solve for m and q:<br> m+ 2 = q - 4<br> 5m - 33 = q+1
NikAS [45]
Answer: m = 10 and q = 16

hope this helps!!
3 0
2 years ago
Convert meters to nanometers
andriy [413]
1 meter is 1000000000 nanometers
5 0
3 years ago
The scale on a map is ½ inch = 15 miles. How far apart are two towns that are 2 inches apart on the map? Someone help me please!
erastova [34]
The two towns would be 60 miles apart. Because 2 inches divided by 0.5 inches is 4. So you have to multiply 15 miles and you’ll 60 miles
5 0
3 years ago
Read 2 more answers
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