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Marianna [84]
3 years ago
8

Eric made 3 batches of cupcakes for the bake sale. He needs at least 120 cupcakes for the bake sale. He also plans on giving 20

cupcakes to his family for a birthday party. How many cupcakes will he need in each batch? Write an inequality to show c, cupcakes.
Mathematics
1 answer:
polet [3.4K]3 years ago
8 0

Answer:

c≥47

Step-by-step explanation:

120+20=140

140/3≈46.667

46.667≈47

Ther can be no less than 47 cupcakes

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What is an equation of the line that passes through the point (2, 4 and is perpendicular to the line whose equation is 3y = 6x 3
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Perpendicular line always have slopes that are negative reciprocals of one another.  Mathematically,

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So to be perpendicular to the line given, let's rearrange it to the point slope form of a line...

3y=6x ?3 (not sure what you wanted to type there)

anyway isolating y by dividing both side by three will leave 2x where 2 is the slope.

So for the other line to be perpendicular, m*2=-1, m=-1/2, now we have:

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12 ÷ 4

Step-by-step explanation:

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Among 420 randomly selected employees at a company, the mean number of hours of overtime worked per month is 10 hours and the st
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The margin of error (E) is calculated as follows:

E = z \times \sqrt{\frac{\sigma^2}{n}}

So, we have:

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E = z \times \sqrt{\frac{2.56}{420}}

The z-value for 99% confidence level is 2.576.

Substitute 2.576 for z

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Take square roots

E = 2.576 \times 0.0781

Multiply

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Approximate

E = 0.20

Hence, the margin of error is 0.20

Read more about margin of error at:

brainly.com/question/14396648

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