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Alex73 [517]
3 years ago
10

Hello so as you can see i got a ton of hw :) Helpp :')

Mathematics
2 answers:
olasank [31]3 years ago
8 0

Answer:

Step-by-step explanation:

A. 1.13 and B is 1.37

Gemiola [76]3 years ago
4 0

Answer:

A. $1.13

B. $1.37

Step-by-step explanation:

So the item costs $2.50 baseline but there is a 45% off sale.

Let P = the percentage off, x = the original cost, and y = the amount saved

Let's use the formula P% * x = y.

First we replace the variables with their values we know: 45% * 2.5 = y

(we remove the 0 on the end from 2.50 as it is redundant outside of money and this makes calculation a bit easier to read)

Next we need to convert 45% into a decimal, so we divide 45 by 100: 0.45 * 2.5 = y

Then multiply these values: 1.125 = y

We then round 1.125 to the nearest cent, and that finishes part A: We save $1.13

Now, we need to calculate the price we pay for the item, which is much simpler. Let p = the price we end up paying: 2.50 - 1.13 = p

Lastly, we need to subtract those two values: 1.37 = p

Therefore, we pay $1.37 for the item.

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a_sh-v [17]

Answer:

Top graph

Step-by-step explanation:

x=3 is a vertical line where the value of x is always 3

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son4ous [18]

Answer:

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Step-by-step explanation:

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3 years ago
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Mattie uses the discriminant to determine the number of zeros the q
enot [183]

Answer:for ax^2+bx+c=0 the discriminant is b^2-4ac

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1. if the discriminant is less than 0, then there are no real zeroes

2. if the discriminant is 0, then it has 1 zero

3. if the discriminant is greater than 0, it has 2 zeroes

so given

0=3x^2-7x+4

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the answer is the equation has two zeroes because the discriminant is greater than 0

Step-by-step explanation:

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The net below represents a cube. What is the surface area, in square centimeters, of the cube?
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