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klio [65]
3 years ago
12

Find the sum of 5x^3-3x^2+5 and -2x^3+6x^2-5

Mathematics
1 answer:
Rasek [7]3 years ago
5 0

(5x^3-3x^2+5)+(-2x^3+6x^2-5)\\\\=(5x^3-2x^3)+(-3x^2+6x^2)+(5-5)\\\\=\boxed{3x^3+3x^2}

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Help! Give brainliest!
dsp73
  • Initial population=145,201

Total years=2037-2001=36

\\ \sf\longmapsto S=P\left(1+\dfrac{r}{100}\right)^t

\\ \sf\longmapsto S=145201\left(1+\dfrac{5}{100}\right)^{36}

\\ \sf\longmapsto S=145201\left(\dfrac{105}{100}\right)^{36}

\\ \sf\longmapsto S=145201(1.05)^{36}

\\ \sf\longmapsto S=145201(5.79)

\\ \sf\longmapsto S\approx 840713

4 0
2 years ago
Read 2 more answers
4.37) A set of data whose histogram is extremely skewed yields a mean and standard deviation of 70 and 12, respectively. What is
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Answer:

75%

88.89%

Step-by-step explanation:

Given :

Mean = 70

Standard deviation = 12

Since the data is said to be extremely skewed, we apply Chebyshev's theorem rather than the empirical rule :

The minimum proportion of observation between 46 and 94

Chebyshev's theorem :

1 - 1 / k²

k = number of standard deviations from the mean

k = (94 - 70) / 12 = 24 / 12 = 2

Hence, we have ;

1 - 1/2²

1 - 1/4

1 - 0.25 = 0.75

Hence, The minimum proportion of observation between 46 and 94 is 75%

Between 36 and 106 :

k = (106 - 70) / 12 ;

k = 36/12 = 3

Hence,

1 - 1/3² = 1 - 1/9 = 8/9 = 0.8888 = 88.89%

The minimum proportion of observation between 34 and 106 is 88.89%

7 0
2 years ago
If the Diameter is 10 of a circle then what is the radius.
krek1111 [17]

Answer:

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Reasoning

Diameter=2*radius

3 0
2 years ago
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Answer:

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Step-by-step explanation:

or C

6 0
3 years ago
10. In the figure below, ABCD is a square. DEFC, BCGH and AEFB are all
zysi [14]

Answer:

a) As sides of squares are always equal.

So,

BC=CD

2b+CF=a+b

CF= a+b-2b

CF= a-b

b) Area of rectangle CDEF= CDxCF

=(a+b)(a-b)

=(a²-b²)

Hope it helps :-)

6 0
2 years ago
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