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2 years ago

Need help what is the answer

Mathematics

2 answers:

melomori [17]2 years ago

3 0

Answer:

76575755

Step-by-step explanation:

USPshnik [31]2 years ago

3 0

Answer is A

- The domain is what x values can exist on a curve, or graph; the y for range. In this case, the domain is restricted, given another condition, to essentially a list of x-values, namely -5, 0 and 1. Note that on the function you have mentioned can exist anywhere in x normally, and hence anywhere in y such that the relationship between the two holds, as it is one-to-one and has no discontinuities and asymptotes; basically anywhere x or y cannot exist, but is restricted as an extra condition. Going back to the one-to-one point; this means one x-value to one y-value, or every x has a unique y. So in this case, all we have to do is plug in the x-value into the function to find it’s unique y-value. That being 2, -2 and -2 and 4/5 going from left to right.

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3 years ago

Devon bought running shocs at a price that was 1/4 off the original price of $88. He paid a sales tax of 7% on

larisa86 [58]

The correct answer is C. $ 9.38

Explanation:

The first step to solve this mathematical problem is to know the price of the shoes. About this, we know the price is 1/4 of $88 plus taxes. You can find how much is 1/4 of $88 by following this process:

1. Write the amounts given

$\frac{1}{4}$ of $88$

2. Divide the number by the denominator (bottom number) and then multiply by the numerator

$88$ ÷ $4 = 22$

$22 x 1 = 22$

This means the discount was $22 and $88- $22 = $66, which is the price with the discount. Now, it is necessary to add the sales tax, which can be done by finding the 7% of $66 and adding this number to $66 (the price of the shoes including the 1/4 discount)

1. Write the values

66 = 100 (66 represents the total or 100%)

x = 7 (7% is the value you want to know and the x represents the value is not known)

2. Cross multiply

x 100 = 462

3. Find x

x = 462 ÷ 100

x = 4. 62 ( value of taxes)

Now, add the taxes to the price $66 + $ 4.62 = $70.62 (price with taxes). Finally, we know Devon paid using four $20 bills. This means he gave the clerk $80 ($20 x 4 = $80). Finally, to know how much is the change subtract the price of the shoes from the money Devon gave the clerk $80 - $70.62 = $9.38

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3 years ago