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777dan777 [17]
3 years ago
11

At a garage sale, Susan found a vase for $5. She was able to negotiate the price of the vase to $4.

Mathematics
2 answers:
qaws [65]3 years ago
8 0

Answer:

20% off

Step-by-step explanation:

mr_godi [17]3 years ago
4 0
20% - 20 percent of 5 is 1, and 5-1=4
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Refer to the accompanying data set of mean​ drive-through service times at dinner in seconds at two fast food restaurants. const
Anton [14]

Step-by-step explanation:

Assuming the data is as shown, restaurant X has a mean service time of 180.56, with a standard deviation of 62.6.

The standard error is SE = s/√n = 62.6/√50 = 8.85.

At 95% confidence, the critical value is z = 1.960.

Therefore, the confidence interval is:

180.56 ± 1.960 × 8.85

180.56 ± 17.35

(163, 198)

Restaurant Y has a mean service time of 152.96, with a standard deviation of 49.2.

The standard error is SE = s/√n = 49.2/√50 = 6.96.

At 95% confidence, the critical value is z = 1.960.

Therefore, the confidence interval is:

152.96 ± 1.960 × 6.96

152.96 ± 13.64

(139, 167)

4 0
3 years ago
What is the lowest common multiple (LCM) of 8, 2 and 5?
aivan3 [116]

Answer:

40

Step-by-step explanation:

Using the method of prime factors

8 = 2 × 2 × 2 = 2³

2 = 2

5 = 5

Then LCM = 2³ × 5 = 8 × 5 = 40

8 0
3 years ago
Read 2 more answers
Real quick<br><br> what is the radius of 16 cm simplest form
KIM [24]

<u>Answer:</u>

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If the 16 cm is the diameter then the radius is 8 cm

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3 years ago
Please help me quickly
Mariana [72]

Answer: the awnser to this problem is 38.5 sq. units

Step-by-step explanation:

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2 years ago
What is the slope of the line that passes through (-12, -5) and (0, -8)?
Lady bird [3.3K]

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