3 years ago

an item is regularly priced at $30. it is on sale for 30% off the regular price. what is the sale price?

Mathematics

1 answer:

Alex Ar [27]3 years ago

8 0

I would say the new price is $21

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a number is divided by 3 and the result is added to 1. the new result is doubled to give the final result 80. whats the number

Gnesinka [82]

78, because you have to do the inverse operation so 80/2= 40 then 40-1= 39 and 39*3 = 78

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3 years ago

Please help with this question

alekssr [168]

Step-by-step explanation:

so, that means we want to find the time t (days) after which N = No/2

because "half-life" means the amount of time until half of the substance has disappeared (or transformed into something else).

so, we have

No/2 = No × e^(-0.1481×t)

No = 2× No × e^(-0.1481×t)

1 = 2×e^(‐0.1481×t)

1/2 = 0.5 = e^(-0.1481×t)

ln(0.5) = -0.1481×t

t = ln(0.5)/-0.1481 = 4.680264555... ≈ 4.7 days

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castortr0y [4]

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3 years ago

Read 2 more answers

Simplify 36x^4 42x^7

Alja [10]

The first step to simplify this equation is to multiply the numbers
1512 $x^{4}$ × $x^{7}$
next,, youll multiply the terms with the same base by adding their exponents
1512 $x^{4+7}$
finally,, youll add the numbers together
1512 $x^{11}$
since you cant simplify any further,, the correct answer to your question is 1512 $x^{11}$
let me know if you have any further questions
:)

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2 years ago

What is the second factor when 0.200 is written scientific notation

Phoenix [80]

Answer:

2*10^-1

Step-by-step explanation:

U shud know y

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