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lisabon 2012 [21]
3 years ago
8

Gain finds a skirt that she likes at the store for $45.99. If the tax rate is 5.8%, how much will the shirt cost in all

Mathematics
1 answer:
Aleks04 [339]3 years ago
4 0

Answer:

$48.66

Step-by-step explanation:

The price of a good is the base cost plus tax. We are given the cost of the skirt, so all we need is the amount of tax. To find it, we multiple the cost of the  skirt by the tax rate:

45.99 * 0.058 = 2.67

We now add the tax to the cost of the skirt:

45.99 + 2.67 = 48.66

As you can see, we are adding the price of the skirt to 5.8% of the skirt's price, so we can also solve the problem by simply multiplying the cost by 1.058 as shown below:

45.99 * 1.058 = 48.66

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Answer:

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Step-by-step explanation:

We assume you want the log of 462 to a base of 1/2. Using the change of base formula, this is ...

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3 years ago
Enter an algebraic expression to model the given context. Give your answer in simplest form. The original price p of an item les
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Answer:

Step-by-step explanation:

Let

Original price = p

Less Discount = 20%

Total discount paid for the item = 20% of p

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Suppose that prior to conducting a coin-flipping experiment, we suspect that the coin is fair. How many times would we have to f
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Step-by-step explanation:

Let p be the prior estimate of the required proportion.

As per given , we have

p =0.5   (The probability of getting heads on a fair coin is 0.5)

Significance level : \alpha: 1-0.90=0.10\\

Critical z-value (using z-value table ) : z_{\alpha/2}=1.645

Confidence interval width : w= 0.18

Thus , the margin of error : E=\dfrac{w}{2}=0.09

Formula to find the sample size ( if prior estimate of proportion is known.):-

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Substitute the values , we get

n=0.5(1-0.5)(\dfrac{1.645}{0.09})^2

Simplify ,

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Hence, the number of times we would have to flip the coin =<u>84</u>

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if 12a=60, then a=60/12=5

o Ann has 5 brushes!
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