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fiasKO [112]
3 years ago
12

1# Mr. Sanchez bought 2 magazines for $9.95 each and 1 book for $14.95. If the sales tax is 6%, what is the total cost of Mr. Sa

nchez’s purchases?
2# The price of gas increases from $2.20 per gallon on Monday to $2.31 per gallon on Tuesday. What is the percent of increase?

3# Dennis estimated the width of the space he has in his kitchen to fit a new refrigerator to be 36 inches. The actual width is 33 inches. What is the approximate percent error?

4# Megan purchased 8 square yards of flooring for a total of $432. What was the price of this flooring per square foot? **BE CAREFUL! You need to convert SQUARE YARDS into SQUARE FEET! If 3 feet = 1 yard, how many square feet are in 1 square yard?

5# A rectangular photograph measuring 2 inches by 4 inches is enlarged by a scale factor of 8. What is the area of the new photograph?

HELP ME WITH THE 5 QUESTIONS!!!!! PLEASE :) QUICK
Mathematics
1 answer:
8090 [49]3 years ago
7 0

Answer:

#1: $36.94

#2: 4.9 continuous

#3?

#4 $18

#5 64in squared

Step-by-step explanation:

#1 2x9.95+19.9

$19.90+$14.95=34.85

6% of 34.85=2.09

$34.85+$2.09=

$36.94

#4 8 yards = 24 feet

432/24=

18

#5 4x2=8

8x8=64

remember to make sure it is squared because it is area

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The Ohio Department of Agriculture tested 203 fuel samples across the state in 1999 for accuracy of the reported octane level. F
OlgaM077 [116]

Answer:

The Sample size is 1918.89035

Step-by-step explanation:

Consider the provided information.

It is given that 14 out of 105 samples failed.

Therefore p = 14/105 = 0.13 3... and q=1-0.133=0.867

Samples would be needed to create a 99 percent confidence interval.

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By standard normal table z=2.5758≈2.58

Calculate the sample size as:

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3 years ago
9 + 9h<br> =<br> 10h + 2 is this infinite solution
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HELP PLZ!!!!!!!! I NEED TO NOW ALL THE ANSWER
valentina_108 [34]
1. 6
2.8
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hope this wasn’t late
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