3 years ago

Find the value of each expression 12a+c-b

Mathematics

1 answer:

FinnZ [79.3K]3 years ago

8 0

Answer:

We need more info, take a picture of the qustion

Step-by-step explanation:

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21 regular sodas and 49 diet sodas. What percentage of the sodas served were regular?

morpeh [17]

Answer:

30% of the sodas were regular sodas

Step-by-step explanation:

Add 21 and 49 to get the total number of sodas and 21+49=70. To get the percentage, divide 21 by 70 (21÷70) is 0.3 or 30%.

To check, do 30% (or 0.3) • 70 and you will get 21.

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Answer:they should have added 2 to 180, not 32

Step-by-step explanation:

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scZoUnD [109]

The answer is B, I attached a picture of the steps.

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How many 1/3 inch cubes does it take to fill a box with width 2 2/3 inches, lengths 3 1/3 inches, and height 2 1/3 inches?

Nataly [62]

Answer:

560 cubes

Step-by-step explanation:

width: 8 cubes

length: 10 cubes

height: 7 cubes

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An online store sells flower arrangements for birthdays and other special events. In a review of their production costs, the

denis23 [38]

Answer: A confidence interval for the mean cost (in dollars) for one shipment of vases = (49,59)

Step-by-step explanation:

Confidence interval for mean: Mean ± Margin of error

Given: The online store found the mean wholesale cost of one shipment of vases was ĉ = 54 dollars, with a margin of error of 5 dollars.

A confidence interval for the mean cost (in dollars) for one shipment of vases

$=(54-5, 54+5)\\\\=(49,59)$

Hence, a confidence interval for the mean cost (in dollars) for one shipment of vases = (49,59)

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