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Whitepunk [10]
3 years ago
9

24. Reconsider the sample observations on stabilized viscosity of asphalt specimens introduced in Exercise 43 in Chapter 1 (2781

, 2900, 3013, 2856, and 2888). Suppose that for a particular application, it is required that true average viscosity be 3000. Does this requirement appear to have been satisfied? State and test the appropriate hypotheses.
Mathematics
1 answer:
Vikki [24]3 years ago
8 0

Answer:

heyy!! I can't attach my answer here does someone know how to attach images?

Step-by-step explanation:

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The owner of the Outdoor Furniture Center decides to use the 120% markup. At the end on
lana66690 [7]

Answer: The total price of a bench is 1.008x.

Step-by-step explanation:

Since we have given that

Let the cost price be 'x'.

Mark up % = 120%

So, Mark up value would be

\dfrac{120}{100}x\\\\=1.20x

Discount % = 20%

Amount of discount is given by

\dfrac{20}{100}\times 1.2x\\\\=0.2\times 1.2x\\\\=0.24x

So, it becomes,

Amount after discount is given by

1.2x-0.24x\\\\=0.96x

Sales tax = 5%

Amount of sales tax would be

\dfrac{100+5}{100}\times 0.96x\\\\=\dfrac{105}{100}\times 0.96x\\\\=1.05\times 0.96x\\\\=1.008x

Hence, the total price of a bench is 1.008x.

6 0
4 years ago
The ratio of boys to girls in 6th grade is 3:5. If there are 39 boys, how many girls would there be?
Minchanka [31]

Answer:

there would be 65 girls

Step-by-step explanation:

Boys 39/3 =13

13x5=65

65 girls


3 0
3 years ago
Read 2 more answers
Let me know if I'm right
ycow [4]
Looks correct to me :)
5 0
3 years ago
Katrina buys a ​40-ft roll of fencing to make a rectangular play area for her dogs. Use ​2(​l+w)=40 to write a function for the​
Anuta_ua [19.1K]
Why you write hi this needs to anser!!
8 0
3 years ago
If the math Olympiad club consists of 14 students, how many different teams of 5 students can be formed for competitions?
aliina [53]

Answer:

2

Step-by-step explanation:

5 x 2 = 10

5 x 3 = 15 > 14

therefore...

there are 2 teams of 5

6 0
4 years ago
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