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julia-pushkina [17]
3 years ago
9

In a lottery game, a player picks 7 numbers from 1 to 40. How many different choices does the player have if order doesn't matte

r
Mathematics
1 answer:
o-na [289]3 years ago
7 0

Answer:

Yh 10,20,30,40,50,60,70,80,90,100.

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The answer is equation 2 as it expands to 0=0
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3 years ago
Please help me with this ratio. ​
Charra [1.4K]

Answer:

\frac{inches}{minute}

Change the feet to minutes by multiplying by 12, and change the hour to minutes.

Speedy: \frac{240}{60}

Slowpoke: \frac{80}{30}

Cleo: \frac{96}{10}

Speedy is the fastest.

\frac{feet}{hour}

  • Speedy: \frac{20}{1}
  • Slowpoke: \frac{\frac{6.666666667}{.5}}{30}
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Change minutes to feet by dividing and change the minutes to hours by multiplying.

<em>Hope this helps and have a great day!!!</em>

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8 0
4 years ago
The cost function for a certain company is C = 20x + 700 and the revenue is given by R = 100x − 0.5x2. Recall that profit is rev
Sladkaya [172]

Answer:

The two values of production level are:

x = 20

or

x = 140

Step-by-step explanation:

Let's write the Profit equation by subtracting the cost function from the revenue one:

Profit(x)=100\,x-0.5\,x^2-(20\,x+700)\\Profit(x)=-0.5\,x^2+80\,x-700

Now, we set to find the production level "x" to give us a profit of $ 700:

Profit(x)=-0.5\,x^2+80\,x-700\\700=-0.5\,x^2+80x-700\\0.5\,x^2-80\,x+1400=0

So we solve this quadratic equation using the quadratic formula:

x=\frac{80+/-\sqrt{80^2-4(0.5)(7700)}}{2\,*\,0.5} \\x=80+/-\sqrt{3600} \\x=80\,+/-\,60

which gives two posible solutions: x = 20, or x = 140

6 0
4 years ago
The area of the circle is 314 sq centimeters what's the circumference
icang [17]

Answer:

62.82

Step-by-step explanation:

C=2πA=2·π314≈62.81592cm

3 0
3 years ago
Read 2 more answers
Translate to an algebraic expression.<br> three less than twice a number
anastassius [24]
2x-3 would be the answer I am pretty sure.
8 0
4 years ago
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