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pychu [463]
3 years ago
11

Need help with 5 and 6 will give branliest to the first to answer

Mathematics
2 answers:
DochEvi [55]3 years ago
6 0

Answer:

j

Step-by-step explanation:

Eva8 [605]3 years ago
3 0

Answer:

i think the first on is A.

Step-by-step explanation:

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The cost of producing y items per day is $( 1/3y squared + 45y + 27). The price at which each item may be sold is $(60 - 1/2y).
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A is the answer I did this Hope this helps:)
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4 years ago
PLEASE SHOW ALL WORK!!!
nikklg [1K]
Part A: We know that the equation for finding the area of a triangle is A=.0.5(base)(height)=0.5bh; we also know that base=(8x+2) and height=(4x-5), so the only thing we need to do is replacing those values into our Area equation and solve for x:
A=0.5(8x+2)(4x-5)
A=0.5(32 x^{2} -40x+8x-10)
A=0.5(32 x^{2} -32x-10)
A=16 x^{2} -16x-5
Now the only thing left is factor the quadratic polynomial:
A=(4x+1)(4x-5)

W can conclude that the area of our triangle is A=(4x+1)(4x-5)

Part B: Our polynomial has three terms, so is a trinomial; also, our polynoal only has one variable, x, and the largest exponent of that variable is 2; therefore is a degree 2 polynomial. In summary, we have a trinomial of degree 2. 

Part C: Part A demonstrate the closure property of polynomials because after multiplying tow polynomials we obtained another polynomial.
7 0
4 years ago
Read 2 more answers
A bike take 56 minutes to travel 8 km? How many minutes will take to travel 15?​
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Step-by-step explanation:

Ok, so it takes the bike 7 minutes to go 1 km, so it would take it 105 minutes to go 15

3 0
3 years ago
On July 16, 1882, a massive thunderstorm over Dubuque, Iowa, produced huge hailstones. The diameter of some of the hailstones wa
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7 0
3 years ago
Arbitron Media Research Inc. conducted a study of the iPod listening habits of men and women. One facet of the study involved th
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Answer:

The null and alternative hypotheses are:

H_{0}:\sigma_{men} = \sigma_{women}

H_{a}:\sigma_{men} \neq \sigma_{women}

Under the null hypothesis, the test statistic is:

F=\frac{\sigma^{2}_{men}}{\sigma^{2}_{women}}

       =\frac{19^{2}}{9^{2}}

       =\frac{361}{81}

       =4.46

Therefore, the test-statistic is F=4.46

 Now the F critical value at 0.02 significance level for df1 = 10- 1 =9 and df2 = 16 - 1 =15 is:

F_{critical} = 3.303

Since F statistic is greater than the F critical value, we therefore, reject the null hypothesis and conclude that there is sufficient evidence to support the claim that there is a difference in the variation in the listening times for men and women.


7 0
3 years ago
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