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Blizzard [7]
4 years ago
14

Set up a system of equations needed to solve each probler

Mathematics
1 answer:
goblinko [34]4 years ago
8 0

Answer:

This is not a solvable question, since the least amount of money you can have with this combination is $4.20.

Step-by-step explanation:

Let q = quarters

Let d = dimes

Equation: 0.1d + 0.25q = 3.00

Maximum amount of dimes: 0.1d *42 = 4.2d

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That would still be 24.
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A proper unbiased coin was tossed 10 times for 3 trials, giving TTHHTHTTHH, TTTTTHHHHH, and THTHHHTTH (T = Tails; H = Heads). Wh
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Theoretical probability is what, theoretically, the probability <em>should </em>be, regardless of data. Because there are only two options, the probability for getting heads on each toss should be 50%. For the total thirty tosses, theoretically, the coin <em>should</em> land on heads fifteen times, or five per trial, which is determined solely on the number of options.

Experimental probability is what the probability was based on the given data. In the first trial, head was scored 5 times, or 5/10, or 50%. This was repeated in the second and third trials. So, based purely <em>on the data,</em> the probability of the coin landing on heads was also 50%.

I hope this helps!
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What is the equation of the parabola?
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Step-by-step explanation:

Show Solution. Start by writing the equation of the parabola in standard form. The standard form that applies to the given equation is (x−h)2=4p(y−k) ( x − h ) 2 = 4 p ( y − k ) . Thus, the axis of symmetry is parallel to the y-axis.

4 0
3 years ago
Three boxes contain red and green balls. Box 1 has 5 red balls* and 5 green balls*, Box 2 has 7 red balls* and 3 green balls* an
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Answer: 0.375

Step-by-step explanation:

Let G be the event that the chosen marble is green. Let B_i be the event that we choose Box i.

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Now, P(G|B_1)=\dfrac{5}{10}=0.5

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P(G|B_1)=\dfrac{4}{10}=0.4

By using the law of total probability, we have

P(G)=P(G|B_1)P(B_1)+P(G|B_2)P(B_2)+P(G|B_3)P(B_3)\\\\\Rightarrow\ P(G)=0.25\cdot0.5+0.5\cdot0.3+0.25\cdot0.4=0.375

3 0
4 years ago
nada put the data she collected during her survey in a table then she found the mean of the four rows of data
nika2105 [10]

Answer:

whats the question

Step-by-step explanation:

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