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dexar [7]
3 years ago
11

Please help 33-40, thanks!

Mathematics
1 answer:
kogti [31]3 years ago
6 0

33. -8 belongs to:

  • Set of real numbers; all rational and irrational numbers
  • Set of integers; positive and negative whole numbers

34. 14 belongs to:

  • Set of natural numbers; all positive whole numbers
  • Set of real numbers; all rational and irrational numbers

35. 9.23 belongs to:

  • Set of real numbers; all rational and irrational numbers

36. 1\frac{5}{9} belongs to:

  • Set of real numbers; all rational and irrational numbers

37. Zero (0) belongs to:

  • Set of Integers; all positive and negative whole numbers
  • Set of real numbers; all rational and irrational numbers

38. -1 belongs to:

  • Set of integers; all positive and negative whole numbers
  • Set of real numbers; all rational and irrational numbers

39. 1/2 belongs to:

  • Set of real numbers; all rational and irrational numbers

40. 0.3 where 3 is recurring belongs to:

  • Set of real numbers; all rational and irrational numbers


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user100 [1]

Answer:

a₄ = - 15

Step-by-step explanation:

Using the recursive formula and a₁ = 17 , then

a₂ = a₁ - 8 = 17 - 8 = 9

a₃ = a₂ - 8 = 9 - 8 = 1

a₃ = a₂ - 8 = 1 - 8 = - 7

a₄ = a₃ - 8 = - 7 - 8 = - 15

4 0
3 years ago
Find the indefinite integral. (Use C for the constant of integration.) <br> e2x 25 e4x dx.
Sladkaya [172]

Answer:

The solution is  \frac{1}{10} * tan^{-1}[\frac{e^{2x}}{5} ] +  C

Step-by-step explanation:

From the question

    The function given is  f(x) =  \frac{e^{2x}}{ 25 + e^{4x}} dx

The  indefinite integral is  mathematically represented as

          \int\limits  {\frac{e^{2x}}{ 25 + e^{4x}}} \, dx

Now  let  e^{2x} =  u

=>   \frac{du}{dx} 2e^{2x}

=>   2 e^{2x}dx =  du

So

\int\limits  {\frac{e^{2x}}{ 25 + e^{4x}}} \, dx =  \int\limits  {\frac{1}{ 2(25 + u^2)} } \, du

= \frac{1}{2} \int\limits  {\frac{1}{ 25 + u^2)} } \, du

=  \frac{1}{2} \int\limits  {\frac{1}{ 5^2 + u^2)} } \, du

= \frac{1}{2} \frac{tan^{-1} [\frac{u}{5} ]}{5}  +  C

Now substituting for  u

\frac{1}{10} * tan^{-1}[\frac{e^{2x}}{5} ] +  C

3 0
3 years ago
Help please! need it asap
kap26 [50]

Answer:

AE = 19 and <EDC = 59

Step-by-step explanation:

i am almost positive that those are both right

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Ghella [55]
Degree is 3 and total of two terms.
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Alyssa bought a dress for $52 and 3 pairs of jeans. She paid a total of $125. Write an equation to represent this word problem
larisa86 [58]

Answer:

..

Step-by-step explanation:

If the dress is $52 all you have to do I subtract the total ($125)from the amount the dress was, which is 76

5 0
2 years ago
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