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Ivan
4 years ago
11

A ski club charges a $48 membership fee, plus $18 to rent ski equipment per day. Which of the following equations can be used to

find the total cost of membership at the club, when renting equipment for x days?
Mathematics
1 answer:
Vilka [71]4 years ago
6 0
The rent of the equipment is $66
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Owen simplified the expression r-8 s-5.
eduard

ok sweetheart so basicaly what u do is...

Sample Response: Each base must be treated separately. Since each base is raised to a negative exponent, they should both be in the denominator of the fractions. The simplified form of the expression has 1 in the numerator and r to the 8th power times s to the 5th power in the denominator

8 0
3 years ago
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The baseball teams of the towns of herrington and duvall have played each other 30 times duvall won 24 times herrington won 6 ti
yanalaym [24]
<span>The relative frequency of the duvall Team winning a game is:
f=24/30
f=0.8

P=f*100%
P=0.8*100%
P=80%

Answer: </span><span>the relative frequency of the duvall Team winning a game is 0.8 and the likelihood that the duvall team will win the next game is 80%</span>
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3 years ago
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A student claims that 2i is the only imaginary root of a polynomial equation that has real coefficients. Explain the student's m
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Answer:

The Fundamental Theorem of Algebra assures that any polynomial  f(x)=0 whose degree is n ≥1 has at least one Real or Imaginary root. So by the Theorem we have infinitely solutions, including imaginary roots ≠ 2i

Step-by-step explanation:

1) This claim is mistaken.

2) The Fundamental Theorem of Algebra assures that any polynomial  f(x)=0 whose degree is n ≥1 has at least one Real or Imaginary root. So by the Theorem we have infinitely solutions, including imaginary roots ≠ 2i with real coefficients.

a_{0}x^{n}+a_{1}x^{2}+....a_{1}x+a_{0}

For example:

3) Every time a polynomial equation, like a quadratic equation which is an univariate polynomial one, has its discriminant following this rule:

\Delta < 0\\b^{2}-4*a*c

We'll have <em>n </em>different complex roots, not necessarily 2i.

For example:

Taking 3 polynomial equations with real coefficients, with

\Delta < 0

-4x^2-x-2=0 \Rightarrow S=\left \{ x'=-\frac{1}{8}-i\frac{\sqrt{31}}{8},\:x''=-\frac{1}{8}+i\frac{\sqrt{31}}{8} \right \}\\-x^2-x-8=0 \Rightarrow S=\left\{\quad x'=-\frac{1}{2}-i\frac{\sqrt{31}}{2},\:x''=-\frac{1}{2}+i\frac{\sqrt{31}}{2} \right \}\\x^2-x+30=0\Rightarrow S=\left \{ x'=\frac{1}{2}+i\frac{\sqrt{119}}{2},\:x''=\frac{1}{2}-i\frac{\sqrt{119}}{2} \right \}\\(...)

2.2) For other Polynomial equations with real coefficients we can see other complex roots ≠ 2i. In this one we have also -2i

x^5\:-\:x^4\:+\:x^3\:-\:x^2\:-\:12x\:+\:12=0 \Rightarrow S=\left \{ x_{1}=1,\:x_{2}=-\sqrt{3},\:x_{3}=\sqrt{3},\:x_{4}=2i,\:x_{5}=-2i \right \}\\

4 0
3 years ago
Which ratio is equivalent to 45/80?<br> A: 3/4<br> B: 9/16<br> C: 1/3<br> D: 3/5
fredd [130]

Answer:

B: 9/16

Step-by-step explanation:

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What is 67 divided by 34 and how?<br> teach me
lana [24]

Answer:

1.9

Step-by-step explanation:

34 can go into 67 one time and a ninth

8 0
3 years ago
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