2 years ago

4^2 -6 (4 to the second power minus 6) *

Mathematics

1 answer:

uysha [10]2 years ago

5 0

Answer: 10

Step-by-step explanation: you have to simplify for it to equal 10

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A teacher has 40 learners in her class. She chooses 1% to clean her board. Is this possible?

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Step-by-step explanation:

No, 1% of 40 is the same as 40% of 1. Which is 0.025% You cant have 0.025% of a learner or a human so this isn't possible.

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If 7 is added to a number then it becomes at least 15 what is the number?

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You’re answer will be 8 ;)

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2 more than 919 998??

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3 years ago

Find each percent of change. Round to the nearest whole percent if necessary. State whether the percent of change is an increase

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Step-by-step explanation:

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The selling price of a box of crackers is $1.75 You mark the crackers up to $2.54 . What is the markup percentage?

Aleks04 [339]

The markup percentage is 45.14%

Step-by-step explanation:

The given is:

The selling price of a box of crackers is $1.75
You mark the crackers up to $2.54

We need to find the markup percentage

The markup percentage = $\frac{New-Old}{old}$ × 100%

∵ The selling price of a box of crackers is $1.75

∴ Old = 1.75

∵ You mark the crackers up to $2.54

∴ New = 2.54

- Substitute these values in the rule above

∵ The markup percentage = $\frac{2.54-1.75}{1.75}$ × 100%

∴ The markup percentage = $\frac{0.79}{1.75}$ × 100%

∴ The markup percentage = 0.4514 × 100%

∴ The markup percentage = 45.14%

The markup percentage is 45.14%

Learn more:

You can learn more about percentage in brainly.com/question/1834017

#LearnwithBrainly

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