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3 years ago

15

The original price of a ski jacket was $270. It was on sale at a 25% discount. Arianna had a coupon for an additional 10% off th

e sale price.
What price did Arianna pay for the ski jacket?

1 answer:

igor_vitrenko [27]3 years ago

8 0

25% of $270 is $67.50

10% of $270 is $27.0

27.0

+67.50

is $94.50

$270 - $94.50 is

$175.50 (Final Answer.) [I hope this helped you!]

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harina [27]

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3 years ago

Nineteen less than 6 times a number is the same as 16 more than the number. The equation is The solution is x -7 7.

Crank

Answer:

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Step-by-step explanation:

let the said number be x

Nineteeen less than 6 times a number;

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Thus;

6x - 19 = 16 + x

6x-x = 16 + 19

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3 years ago

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telo118 [61]

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3 years ago

Read 2 more answers

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hope it helps.

4 0

3 years ago

A random sample of 45 door-to-door salespersons were asked how long on average they were able to talk to the potential customer.

dimulka [17.4K]

Answer:

b. =8.5+1.96*3/SQRT(45), and =8.5-1.96*3/SQRT(45)

Step-by-step explanation:

Sample size (n) = 45

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Variance (V) = 9 minutes

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A confidence interval is defined by the following expression:

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Applying the given data:

$8.5\pm 1.96\sqrt{\frac{9}{45} }\\8.5\pm 1.96\frac{3}{\sqrt 45}$

Writing in Excel statements, the limits of the interval would be

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Therefore, the answer is alternative b.

8 0

3 years ago