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vodka [1.7K]
3 years ago
5

Please Help Asap !!!! 7!x8!x3/5!x9! = 282,240 14 21

Mathematics
1 answer:
mixer [17]3 years ago
5 0

Answer:

The most likely answer would be 282,240.

Step-by-step explanation:

I got a different value than the choices you've given me. But if 282,240; 14; and 21 are your only options, then the most likely answer would be 282,240. Any number followed by an exclamation point means that it will be multiplied by all whole numbers from 1 to that number. For example, 4! would be 1 * 2 * 3 * 4 = 24. In this problem, 7! equals 5,040; 8! equals 40,320; \frac{3}{5} ! = \frac{1}{40}; and 9! = 362,880. You can tell by the listed numbers that the product will be extremely big despite the fraction, so the best choice to go with would be 282,240.

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3 years ago
Nathan and his brother Zach love to play video games. Right
Monica [59]

Answer:

N=2Z-11

\begin{array}{cc}\text{Zac's score}&\text{Natan's score}\\ 6&1\\7&3\\8&5\\9&7\end{array}

Step-by-step explanation:

Nathan's score is 11 less than 2 times Zac's score.

Let Z points be Zac's score and N points be Natan's score. then

2 times Zac's score = 2Z

11 less than 2 times Zac's score = 2Z -11

So, N = 2Z - 11

1. If Z=6, then N=2\cdot 6-11=12-11=1

2. If Z=7, then N=2\cdot 7-11=14-11=3

3. If Z=8, then N=2\cdot 8-11=16-11=5

4. If Z=9, then N=2\cdot 9-11=18-11=7

Thus, four other possibilities are

\begin{array}{cc}\text{Zac's score}&\text{Natan's score}\\ 6&1\\7&3\\8&5\\9&7\end{array}

3 0
3 years ago
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Scilla [17]

Answer:

B. (1,5) and (5.25, 3.94)

Step-by-step explanation:

The answer is where the 2 equations intersect.

We need to solve the following system of equations:

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From the second equation:

x = 21 - 4y

Plug this into the first equation:

y = -(21 - 4y)^2 + 6(21 - 4y)

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y = -441 + 168y - 16y^2 +  126 - 24y

16y^2 + y - 168y + 24y + 441 - 126 = 0

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y = [-(-143) +/- sqrt ((-143)^2 - 4 * 16 * 315)]/ (2*16)

y = 5, 3.938

When y = 5:

x = 21 - 4(5) = 1

When y = 3.938

x = 21 - 4(3.938) = 5.25.

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3 years ago
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Veseljchak [2.6K]

Answer:

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Step-by-step explanation:

Each game is $25.50 which in math means it has an "x"

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200 = 25.50x (divide both sides by 25.50 to isolate the x)

200/25.50 = 7.84

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You can't have 0.84 of a video game, so Roberto can only buy 7 of them.

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3 years ago
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4 years ago
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