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lawyer [7]
3 years ago
11

Is the relationship between the number of text in time a proportional relationship?

Mathematics
1 answer:
german3 years ago
3 0
Ratios are proportional if they represent the same relationship. One way to see if two ratios are proportional is to write them as fractions and then reduce them. If the reduced fractions are the same, your ratios are proportional.
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Whats the slope of the 2 points (6,-6) & (-1,-3)
Bingel [31]

\bf (\stackrel{x_1}{6}~,~\stackrel{y_1}{-6})\qquad (\stackrel{x_2}{-1}~,~\stackrel{y_2}{-3}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-3}-\stackrel{y1}{(-6)}}}{\underset{run} {\underset{x_2}{-1}-\underset{x_1}{6}}}\implies \cfrac{-3+6}{-7}\implies -\cfrac{3}{7}

6 0
3 years ago
Round 5.852 to the nearest whole number.
bonufazy [111]

Answer:

6

Step-by-step explanation:

3 0
2 years ago
Please give the right answer and show work if possible
ioda

Step-by-step explanation:

\sin(48)  =  \frac{25}{qr}  \\ qr =  \frac{25}{ \sin(48) }  =  \frac{25}{0.743}  \\ qr = 33.65

6 0
3 years ago
A private opinion poll is conducted for a politician to determine what proportion of the population favors adding more national
Ksju [112]

Answer:

n≅376

So sample size is 376.

Step-by-step explanation:

The formula we are going to use is:

n=pq(\frac{z_{\alpha/2}}{E})^{2}

where:

n is the sample size

p is the probability of favor

q is the probability of not in favor

E is the Margin of error

z is the distribution

α=1-0.98=0.02

α/2=0.01

From cumulative standard Normal Distribution

z_{\alpha/2}=2.326

p is taken 0.5 for least biased estimate, q=1-p=0.5

n=0.5*0.5(\frac{2.326}{0.06})^{2}\\n=375.71

n≅376

So sample size is 376

4 0
3 years ago
Factor the expression.
valentinak56 [21]
It is (d+5)(d+5) because 5•5 is 25 and 5+5 is 10
4 0
3 years ago
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