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Alexxx [7]
3 years ago
10

Joey Chestnut is trying to break his own world record.After 1 minute of competition, joey has eaten 10 hotdogs.Joey wants to kno

wn the number of hotdogs per minute that he needs to eat for the next 9 minutes to break his own record.
Mathematics
2 answers:
Jobisdone [24]3 years ago
5 0

So we know that 1 minute = 10 hotdogs,

we multiply 1 and 10 by 9 to get 9 minutes = 90 hotdogs.


I believe the answer is 9 minutes = 90 hotdogs.

mixer [17]3 years ago
4 0
<span>Before we start the math you must know that he is trying to beat his record so we can't do 72-10 lets do 73 instead because that is the least he can eat to beat his record so first do 73-10 that is 63 now he only has 9 min left to eat 63 more hot dogs just do 63/9 and that gets you 7 he must eat at least 7 hot dogs every min for 9 min to beat his record.</span>
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The height of the tunnel at the center is 35ft, and the vertical clearance must be 21 ft at a point of 8ft from the center. Find
Zinaida [17]

Answer:

y=-0.215x^2+35

Step by Step:

Let, h=0,  k=35, x=8, y=21

We know that, the general equation of the parabola.

   y-k = a(x-h)^2

\Rightarrow y=a(x-h)^2+k  .........(i)

Substitute the  value of h, k, x, y in equation (i) and find the value of a.

  21=a(8-0)^2+35

\Rightarrow 21=a\times 8^2+35

\Rightarrow 21=64a+35

\Rightarrow 64a=21-35

\Rightarrow 64a=-14

\Rightarrow a=\frac{-14}{65}

\Rightarrow a=-0.215

Hence, the equation of the parabola is:

y=-0.215x^2+35

8 0
3 years ago
PLS HELP ILL GIVE BRAINLIEST
cluponka [151]

So you start of by finding the median. The median in this case would be 43. Then you find the median of both the lower (36) and the upper (53) half of the data. Then the find the difference between those two number. So you would do 53-36 which would make the answer 17

8 0
3 years ago
Will mark brainless for first response!!!
ivann1987 [24]
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5 0
2 years ago
How do measurements of time differ for events in a frame of reference that moves at 50% of the speed of light relative to us? At
ZanzabumX [31]

Answer with explanation:

Relation between Speed , Distance and time

Distance =Speed × Time

→It means Speed is inversely Proportional to time.

As distance will remain constant , in that frame of reference

If speed of light in a Medium

                              =s=3 \times 10^8 \frac{\text{meter}}{\text{second}}

Then, time taken to cross the medium = t seconds or hours or another unit of time.

Now, If speed of light is 50% of the speed of light relative to us

    That is Speed of light in another medium

                 =w=\frac{50}{100} \times 3 \times 10^8\\\\=1.5 \times 10^8 \frac{\text{meter}}{\text{second}}

Then, time taken to cross the medium = 2t seconds or hours or another unit of time.

Using Unitary Method

  \rightarrow v_{1}\times t_{1}=v_{2} \times t_{2}\\\\1.\rightarrow 3 \times 10^8 \times t=\frac{50}{100} \times 3 \times 10^8 \times t_{1}\\\\t_{1}=2t\\\\2.\rightarrow 3 \times 10^8 \times t=\frac{99.5}{100} \times 3 \times 10^8 \times t_{2}\\\\t_{2}=\frac{1000t}{995}\\\\t_{2}=\frac{200t}{199}

             

7 0
3 years ago
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Sonja [21]

Answer:

a) solved in attachment

b)  If disk is running properly time between failure will exceed then Upper 90 % would be good indicator.

Step-by-step explanation:

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