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murzikaleks [220]
3 years ago
10

2/9 x s = 1/2 I don’t know

Mathematics
1 answer:
WITCHER [35]3 years ago
3 0

Answer:

\frac{9}{4}

Step-by-step explanation:

\frac{2}{9}  \times s =   \frac{1}{2}  \\   \\  \frac{2s}{9}  =  \frac{1}{2}  \\ cross \: multiply \\ 9 \times 1 = 2s \times 2 \\ 9 = 4s \\ divivde \: both \: sides \: by \: 4 \\  \frac{9}{4}  =  \frac{4s}{4}  \\ s =  \frac{9}{4}

hope you understand

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State the type of hypothesis test to be used in the following situation: Researchers hoped to determine whether time spent watch
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Answer:

t-test for difference in slopes

no association exists

Step-by-step explanation:

t-test can be used to determine signifiance in difference in slopes of of fit vs time and not fit vs time graph

The data shows that as number of hours spent watchnig television increases, there is no increasing or decreasing trend in number of people fit or not fit. The number of people fit or not fit seems to be distributed around 629 for 1-2 hours of watching television. There trend is not consistent in both cases with increasing number of hours

7 0
3 years ago
Sean tried to drink a slushy as fast as he could. He drank 5 milliliters of slushy each second and finished all
castortr0y [4]

Answer:

graph like this:

Step-by-step explanation:

First, in 5 seconds, we know that he drinks 25 mL of slushy. We know this because 1 second is 5 mL, so 5 seconds is 25 mL. So, your graph should be going from the 5 second to 25 mL mark, then the 10 second and 50 mL mark, then the 15 mL and 75 mL mark, and so on.

6 0
3 years ago
The symbol ∪ represents the union of events. The union of two events A and B results in an event that contains all the sample po
Degger [83]

Answer:

AUB = {E1, E2, E4, E6, E7}

Step-by-step explanation:

Since we are to look for the union of the two sets, therefore we combine all the sample points that are contained in A and B without repeating any sample even if such sample occur in both sets. For example, E4 occurs in event A and B and as such will only be repeated once in the union of the two events.

AUB = {E1, E2, E4, E6, E7}

Note that the way you arrange does not matter as well.

I hope you find this solution useful?

8 0
3 years ago
The newspapers cover page is 3/8 text and photographs filled the rest if 2/5 of the text is an article about endangered species,
Papessa [141]
The fraction of text -3/8 of the cover page
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2/5 * 3/8
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4 0
3 years ago
Read 2 more answers
What is 30% of 90? It didn't give me options. ​
ra1l [238]

Answer:

27

Step-by-step explanation:

To find a percent of a number, change the percent to a decimal and multiply by the number. To change a percent to a decimal, move the decimal point of the percent two places left.

30% of 90 =

= 30% * 90

= 0.30 * 90

= 27

6 0
3 years ago
Read 2 more answers
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