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valentina_108 [34]
2 years ago
13

60 people attend a game night. Everyone chooses to play chess, a two-player game, or cribbage, a four-player game All 60 people

are playing either chess or cribbage Belowfill in the blanks to complete this table showing some possible combinations of the number of each type of game being played :
A=
B=
C=
D=

Mathematics
1 answer:
zysi [14]2 years ago
5 0

Answer:

A=52

B=48

C=45

D=58

Step-by-step explanation:

To find the variables just do 60 minus the number they give. For example, to find A, you do 60-8.

Hope this helps :)

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Answer:

12 feet per second.

Step-by-step explanation:

Please consider the complete question.

Ian tosses a bone up in the air for his dog, Spot. The height, h, in feet, that Spot is above the ground at the time t seconds after she jumps for the bone can be representedh(t)=-16t^2+20t.

What is Spot's average rate of ascent, in feet per second, from the time she jumps into the air to the time she catches the bone at t=1/2?  

We will use average rate of change formula to solve our given problem.

\text{Average rate of change}=\frac{f(b)-f(a)}{b-a}

\text{Average rate of change}=\frac{h(\frac{1}{2})-h(0)}{\frac{1}{2}-0}

\text{Average rate of change}=\frac{-16\cdot(\frac{1}{2})^2+20\cdot \frac{1}{2}-(-16\cdot(0)^2+20\cdot (0))}{\frac{1}{2}-0}

\text{Average rate of change}=\frac{-16\cdot\frac{1}{4}+10-(0)}{\frac{1}{2}}

\text{Average rate of change}=\frac{-4+10}{\frac{1}{2}}

\text{Average rate of change}=\frac{6}{\frac{1}{2}}

\text{Average rate of change}=\frac{2\cdot 6}{1}

\text{Average rate of change}=12

Therefore, Spot's average rate of ascent is 12 feet per second.

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