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True [87]
3 years ago
6

The dot plot shows the time trials of an experiment. Each number on the dot plot represents the amount of time, in seconds, it t

ook to complete a trial.
How many time trials were recorded during the experiment?

Enter the answer in the box.

Mathematics
1 answer:
nexus9112 [7]3 years ago
3 0

Answer:

18

Step-by-step explanation:

you have to count all the dots on the dot plot

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If f(x)=1/9x-2, what is f–1(x)?
jekas [21]

we are given

f(x)=\frac{1}{9x-2}

For finding inverse function , we do following steps

step-1:

Set f(x)=y

y=\frac{1}{9x-2}

step-2:

Switch x and y

x=\frac{1}{9y-2}

step-3:

now, we can solve for y

x=\frac{1}{9y-2}

Multiply both sides by 9y-2

x\times (9y-2)=(9y-2)\times \frac{1}{9y-2}

x(9y-2)=1

9xy-2x=1

Add both sides by 2x

9xy-2x+2x=2x+1

9xy=2x+1

now, we can divide both sides by 9x

y=\frac{2x+1}{9x}

so, we get inverse function as

f^{-1}(x)=\frac{2x+1}{9x}................Answer


3 0
3 years ago
A factory worker can make 14 products in 45 minutes.what is the workers unit rate
Goshia [24]
45/14 = a product every 3 minutes and 21 seconds
6 0
3 years ago
If a cube has a volume of 13,824 cubic meters what is the edge length
ratelena [41]
24 cubic meters because 24*24*24=13,824.
6 0
3 years ago
Amy worked for 4 hours and made $50. After 6 hours she made $75, and $125 after 10 hours.
sesenic [268]
4 hours = 50$
6 hours = 75$
10 hours = 125$

50 + 75 + 125 = 250?

I'm not sure if I understood your question, because you didn't say like "What is all of these times together?"
8 0
3 years ago
What is simplified when -3(2x-y) + 2y+2(x+y) ?
S_A_V [24]

Answer: -x + 4y

Step-by-step explanation:

-3(2x-y) + 2y+2(x+y)

-6x + 3y + 2y + 2x + 2y

-6x + 2x +3y + 2y + 2y

-6x + 5x + 4y

-x + 4y

4 0
3 years ago
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