3 years ago

What is the equation for the graph below?

Mathematics

1 answer:

andriy [413]3 years ago

3 0

Answer:

y=-log5(x)

Step-by-step explanation:

www!desmos!com/calculator

online graphing calculator. replace the ! for .

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It x, y, and z are positive intergers and 3x = 4y = 7z, then the least possible value of x + y + z is???

Dmitry [639]

$3x = 4y = 7z \\ \Rightarrow \begin{cases}3x - 4y = 0 \\4y - 7z = 0 \\ 7z - 3x = 0\end{cases} \\ \Leftrightarrow \begin{cases}x = \frac{4}{3} y\\4y - 7z = 0 \\ 7z - 3( \frac{4}{3}y) = 0\end{cases} \\ \Leftrightarrow \begin{cases}x = \frac{4}{3} y\\4y - 7z = 0 \\ 7z - 4y= 0\end{cases} \\ \Leftrightarrow \begin{cases}x = \frac{4}{3} y\\ y \\ z = \frac{4}{7}y \end{cases} \\ x,y,z\: are\: intergers\Rightarrow y=LCM(3,7)=21\Rightarrow x = 28,z = 12 \\ \Rightarrow x + y + z = 61$

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3 years ago

How many servings in 3/4 of a cookie when each serving is 1/2 cookie

pishuonlain [190]

1 1/2 servings are in 3/4 bc 2/4= 1/2 and theres 1/2 a cookie left and if u take half of that it gets to 3/4

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3 years ago

Edna earns $6 for each hour of yard work. How many hours in all will it take Edna to earn<br> $42?

madreJ [45]

Answer:

42 divided by 6=7 so 7 hrs

Step-by-step explanation:

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2 years ago

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Avery made a large pot of chili and she plans to divide the chili equally into smaller containers if the pot contains 25 1/2 cup

serious [3.7K]

Answer: 5.1 rounded to 5

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3 years ago

60% of a number is 54. what is 50% of the same ?

tangare [24]

Answer:

The answer is 45.

Step-by-step explanation:

60% of a number is 54, find the original number

54 ÷ 60%

= 54 ÷ 60/100

= 54 * 100/60

= 90

50% of 90 is

90 * 50%

= 90 * 50/100

= 90 * 1/2

= 45

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2 years ago