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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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Marvin lives in Stormwind City and works as an engineer in the city of Ironforge. In the morning, he has 333 transportation opti
sukhopar [10]

The event "Atleast once" is the complement of event "None".

So, the probability that Marvin teleports atleast once per day will the compliment of probability that he does not teleports during the day. Therefore, first we need to find the probability that Marvin does not teleports during the day.

At Morning, the probability that Marvin does not teleport = 2/3

Likewise, the probability tha Marvin does not teleport during evening is also 2/3.

Since the two events are independent i.e. his choice during morning is not affecting his choice during the evening, the probability that he does not teleports during the day will be the product of both individual probabilities.

So, the probability that Marvin does not teleport during the day = \frac{2}{3}*\frac{2}{3}=\frac{4}{9}

Probability that Marvin teleports atleast once during the day = 1 - Probability that Marvin does not teleport during the day.

Probability that Marvin teleports atleast once during the day = 1-\frac{4}{9}=\frac{5}{9}

5 0
3 years ago
6.04x10 minus 3 cubed
Oksana_A [137]

Answer: .00604

Step-by-step explanation:

Hope this helps

7 0
3 years ago
Ray had 60 football cards last year.This year he has 200. Find the percent of change
bulgar [2K]

Answer:70%

Step-by-step explanation: no. of cards last year=60

no. of cards presently=200

increase in no. of cards=200-60

                                        =140

%change=140/200 x 100

7 0
3 years ago
2x - 10 = 20 pls help?
Anettt [7]

Answer:

x=15

Step-by-step explanation:

2x-10=20

2x-10+10=20+10

2x=30

2x/2 = 30/2

x=15

3 0
3 years ago
You payed $54 for a game that was 10% off. What was the original price of the game?
Fittoniya [83]

Answer:

I think is is 5.4

Step-by-step explanation:

what I did is divided the problem

3 0
2 years ago
Read 2 more answers
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