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AfilCa [17]
3 years ago
10

To decrease an amount by 30%, what single multiplier would you use?

Mathematics
2 answers:
AURORKA [14]3 years ago
7 0
You would use 0.7................................
tekilochka [14]3 years ago
6 0
If you want to decrease something by 30%, you multiply the number then subtract the result from the original number. However, you can subtract 30% from 100% then convert to a decimal to get a single multiplier.

100% - 30% = 70%

70% = 0.7

So, 0.7 is the answer.
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In AVWX, XV<br> W X and mW<br> - 27°. Find m_X.
SashulF [63]

Answer:

m<X = 126^{o}

Step-by-step explanation:

From the given isosceles triangle, we have;

<W and <V as the base angles

So that,

m<W = m<V = 27 (base angles of an isosceles triangle are equal)

Thus,

m<X + m<V + m<W = 180 (sum of angles in a triangle)

m<X + 27 + 27 = 180

m<X + 54 = 180

m<X = 180 - 54

       = 126

m<X = 126^{o}

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2 years ago
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JulijaS [17]
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3 years ago
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In a population of humans, the frequency of blue eyes is 0. 9. If having blue eyes is the recessive phenotype, what is the frequ
Ulleksa [173]
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2 years ago
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The city of Oakland is experiencing a movement of its population to the suburbs. At present 85% of the total population lives in
Oxana [17]

Answer:

A. \left[\begin{array}{cc}0.93&0.07&\\0.01&0.99&\end{array}\right]

B.   (0.85    0.15)

C. 79.2% population in the city while 20.8% population in the suburb

Step-by-step explanation:

(a) The transition matrix for the information is

                C        S

            \left[\begin{array}{cc}0.93&0.07&\\0.01&0.99&\end{array}\right]

(b) the probability vector for the information is

         (\frac{85}{100}  \ \   \frac{15}{100} )

and this gives us

         (0.85    0.15)

(c) we simply multiply the above  two matrices to find the percent of the population can be expected to be in each category after one year after

\left[\begin{array}{cc}0.85&0.15\end{array}\right] \left[\begin{array}{cc}0.93&0.07&\\0.01&0.99&\end{array}\right] = \left[\begin{array}{cc}0.792&0.208&\end{array}\right]

in the city there are 79.2% while in the suburb, there are 20.8%

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3 years ago
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Hello there.

<span>How many cups equals one pint?

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