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Rainbow [258]
3 years ago
9

What is the system of equations 6x-6y=42 7x+6y=-78

Mathematics
1 answer:
Makovka662 [10]3 years ago
6 0
X= -11.14
y= -18.14

Plug in and check for yourself but these answers worked for me.



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PLEASE HELP THIS IS URGENT!!​
Veseljchak [2.6K]

Step-by-step explanation:

1 pound is 16 ounces

2 pounds are 16 x2 which is 32 ounces

she needs 20 ounces

32 -20 is 12

she will have 12 ounces left

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2 years ago
How many different ways can a race with 8 runners be completed?
murzikaleks [220]
64 different ways

what you do is take the number of different ways and multiply it by all of the other possibilities but since the only number is 8 you would do 8×8=64
6 0
2 years ago
You are really excited to have found a Puch Maxi Moped from the mid Eighties, and the spring weather is making you want to get o
AlexFokin [52]

Answer:

<u>We should add 1.2 fluid ounces of oil </u>

Correct statement and question:

You are really excited to have found a Puch Maxi Moped from the mid Eighties, and the spring weather is making you want to get out and ride it around. It doesn't run on straight gasoline, you have to mix the oil and gas together in a specific ratio of 2.4 fl. oz. of oil for every gallon of gasoline. You have 2 quarts of gas. How much oil should you add?

Source:

https://www.chegg.com/homework-help/questions-and-answers/really-excited-found-puch-maxi-moped-mid-eighties-spring-weather-making-want-get-ride-arou-q38287224

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Ratio = 2.4 fl. oz. of oil for every gallon of gasoline

Amount of gas you have = 2 quarts

2. How much oil should you add?

Let's recall that 1 liquid gallon = 4 liquid quarts, therefore:

Ratio = 2.4 fluid ounces of oil for every 4 quarts of gasoline

Replacing the with the real amount of gas we have:

Ratio = 1.2 fluid ounces of oil for every 2 quarts of gasoline )dividing by 2 the oil amount and the gas amount)

<u>We should add 1.2 fluid ounces of oil </u>

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Oduvanchick [21]

Answer:

87

Step-by-step explanation:

6 0
2 years ago
The set of negative integers ​
erastova [34]
Integers are sometimes split into 3 subsets, Z+, Z- and 0. Z+ is the set of all positive integers (1, 2, 3, ...), while Z- is the set of all negative integers (..., -3, -2, -1). Zero is not included in either of these sets .
5 0
2 years ago
Read 2 more answers
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