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EastWind [94]
3 years ago
7

Over a period of 3 years, the company’s sales of biscuits increased from 15.6 million packets to

Mathematics
1 answer:
horsena [70]3 years ago
5 0

Answer:

33%

Step-by-step explanation:

So you Subtract 20.8 by 15.6 and you get 5.2.

Then you divide 5.2 by 15.6 getting you .33. Then you'll make it into a percentage getting you 33%. This could be wrong but let me know.

I hope this helps! ^^

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I need this math equation simplified.
Kisachek [45]

Answer:

80 hope this helps!

Step-by-step explanation:

4 0
3 years ago
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Yolanda has 2 granola bars. Each serving is of a bar of granola.
RSB [31]

The model of the granola bars is an illustration of <em>ratios and proportions</em>.

The model that shows the total serving is model A

The given parameters are:

\mathbf{Bars = 2}

\mathbf{Serving = \frac{2}{5}}

So, the number of servings in both bars is:

\mathbf{Total = Bars \div Serving}

Substitute 2 for Bars and 2/5 for Servings

\mathbf{Total = 2 \div \frac{2}{5}}

Express as multiplication

\mathbf{Total = 2 \times \frac{5}{2}}

\mathbf{Total = \frac{10}{2}}

\mathbf{Total = 5}

The total number of servings is 5

The model that shows a total serving of 5 is model A (see attachment)

Read more about ratios and proportions at:

brainly.com/question/7810782

6 0
3 years ago
If the correlation coefficient has a negative value, then the coefficient of determination:_________.a. can take on either a neg
GarryVolchara [31]

Answer:

Step-by-step explanation:

The sign of r depends on the sign of the estimated slope coefficient b1:

If b1 is negative, then r takes a negative sign.

If b1 is positive, then r takes a positive sign.

That is, the estimated slope and the correlation coefficient r always share the same sign. Furthermore, because r2 is always a number between 0 and 1, the correlation coefficient r is always a number between -1 and 1.

One advantage of r is that it is unitless, allowing researchers to make sense of correlation coefficients calculated on different data sets with different units. The "unitless-ness" of the measure can be seen from an alternative formula for r, namely:

r=∑ni=1(xi−x¯)(yi−y¯)∑ni=1(xi−x¯)2∑ni=1(yi−y¯)2−−−−−−−−−−−−−−−−−−−−−−−√

If x is the height of an individual measured in inches and y is the weight of the individual measured in pounds, then the units for the numerator is inches × pounds. Similarly, the units for the denominator is inches × pounds. Because they are the same, the units in the numerator and denominator cancel each other out, yielding a "unitless" measure.

Another formula for r that you might see in the regression literature is one that illustrates how the correlation coefficient r is a function of the estimated slope coefficient b1:

r=∑ni=1(xi−x¯)2−−−−−−−−−−−−√∑ni=1(yi−y¯)2−−−−−−−−−−−√×b1

7 0
3 years ago
Read 2 more answers
If h(x) = x2-5x + 7 <br> find: h(-5)
Lady_Fox [76]

Answer:

h(-5)=22

Step-by-step explanation:

Replace x with -5.

h(-5) = (-5)2-5(-5) + 7

Simplify.

h(-5)=-10+25+7

Simplify.

h(-5)=22

5 0
3 years ago
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Help the question is on the paper
Pani-rosa [81]
The volume of rectangular prism is 90m
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