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Deffense [45]
3 years ago
6

For which of the following situations would the order that items are chosen not matter? Finding the number of ways to choose a c

arrot and broccoli out of 10 vegetables. Finding the number of ways to choose Al, Bob, and Carl out of a class of 30 students. Finding the number of ways to choose 2 vegetables out of 10. Finding the number of ways to choose 3 students out of a class of 30. Finding the number of ways to choose 4 letters out of 12.
Mathematics
2 answers:
V125BC [204]3 years ago
4 0

Answer: Finding the number of ways to choose 4 letters out of 12

Step-by-step explanation:

The two situations above didn’t even mention letters. One situation mentioned carrot and broccoli out of 10 vegetables. The other situation mentioned Al, Bob and Carl out of a class of 30 students.

The number of letters (4) out of total letters (10) doesn’t matter because it wasn’t one of the two previously mentioned situations.

Montano1993 [528]3 years ago
3 0

Answer:

yes

Step-by-step explanation:

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Each piece of candy weighs one eight pound. If Donna buys 15 pieces of candy how many pounds of candy will she buy.
likoan [24]

Answer:

120

Step-by-step explanation:

15/(1/8)

4 0
3 years ago
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A machine takes 5.4 hours to make 9 parts. At that rate how many parts can the machine make in 25.8 hours
Sliva [168]
\frac{5.4}{9} = \frac{25.8}{x}    Cross multiply.

5.4x=9*25.8

5.4x=232.2    Divide both sides by 5.4

x=43
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4 years ago
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Please can someone help me with this question
sasho [114]

<em>Answer:</em>

<em>r = -</em>\frac{6a}{1-5m^2}<em />

<em>Step-by-step explanation:</em>

<em>Rewrite the equation as </em>\sqrt{x} 6a+r/5r<em>  = m</em>

<em>Remove the radical on the left side of the equation by squaring both sides of the equation.</em>

<em>(</em>\sqrt{\frac{6a+r}{5r} )^{2}<em> = m^2</em>

<em>Then, you simplify each of the equation. </em>

<em>Rewrite: (</em>\sqrt{\frac{6a+r}{5r} )^{2}<em> as </em>\frac{6a+r}{5r} = m^{2}<em />

<em>Remove any parentheses if needed.</em>

<em>Solve for r. </em>

<em>Multiply each term by r and simplify."</em>

<em>Multiply both sides of the equation by  5.</em>

<em>6a+r= m^2r⋅(5)</em>

<em>Remove parentheses.</em>

<em>Move 5   to the left of (m ^2)  r </em>

<em>6a+r=5m^2)r</em>

<em>Subtract  5m^2)r  from both sides of the equation.</em>

<em>6a+r-5m^2)r=0</em>

<em>Subtract  6a  from both sides of the equation.</em>

<em>r-5m^2)r=-6a</em>

<em>Factor  r out of  r-5m^2)r  </em>

<em>r(1-5m^2)=-6a</em>

Divide each term by 1-5m^2 and simplify.

r = - \frac{6a}{1-5m^2}

There you go, hope this helps!

4 0
3 years ago
The equation y = 11x represents the liters of water a baseball team drinks each practice. This equation shows that after two pra
Stells [14]

The constant of proportionality is equal to 11.

<h3>Constant of Proportionality</h3>

The constant of proportionality is the ratio that relates two given values in what is known as a proportional relationship. Other names for the constant of proportionality include the constant ratio, constant rate, unit rate, constant of variation, or even the rate of change.

In this question, the constant of proportionality is that value that doesn't change or represents the number of players while x represented the number of games they played.

The constant of proportionality can be solved mathematically as

y = 11x\\x = 2\\22 = 11(2)\\22 = 22\\

The constant of proportionality is the value that makes y = 11x and it is 11.

Learn more on proportionality here;

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denis-greek [22]

Answer:

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Step-by-step explanation:

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