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Mariulka [41]
3 years ago
13

Need these answered before 9:00pm tonight

Mathematics
2 answers:
yawa3891 [41]3 years ago
8 0

1. You are correct. Slope is a line's rise over its run. This line goes down 2 units for every one unit right.

2. Building off of this, you can see that for this problem, the line goes up 1 unit every 2 units right, making your slope 1/2.

3. This is a bit more confusing than the last two, so you can find the slope of the line using the slope formula. In this case, I will be using points (-5,-2) and (5,5). Slope formula is \frac{y2-y1}{x2-x1}. This becomes \frac{5-(-2)}{5-(-5)} which is \frac{7}{10}.

4. Using the points (-5,4) and (5,-4): \frac{-4-4}{5-(-5)}. This is -\frac{8}{10} and -4/5 in simplest form.

5. The line goes down 5 units every one unit to the right. Because it goes down, our slope is -5.

6. The line goes up 5 units every time it moves right once. The slope is the same as #5 except for the fact that it's positive, so it goes up.

7. The line goes down one unit every 5 units to the right, making our slope -\frac{1}{5}.

8. The line goes down 4 units every 2 units to the right, which is -4/2, although I would recommend writing it as -2.

timurjin [86]3 years ago
3 0

Answer:


Step-by-step explanation:

2)1/2


3)1


4)-1


5) -5


6)5


7)-1/5


8)-2


Please  make me brainiest

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3 years ago
What is the inverse of function f?<br> f(x) = -7x - 4
Alona [7]

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f − 1 ( x ) = − x 7 − 4 7 . This would be your answer.

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mafiozo [28]
To find the total price, we use this equation:
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7 0
3 years ago
Suppose you budgeted $2800 for fuel expenses for the year. How many miles could you drive if gas were $2.70 per gallon and your
Julli [10]

Answer:

29037.036 miles

Step-by-step explanation

There are two possible ways to solve this problem.

The first option starts with the $2800 dollars for the years. You first want to divide this by $2.70, because it will give you the amount of gallons of gas you can buy with that money.

2800/2.70 = 1037.037

This means you can buy 1037.037 gallons of gas in the year. Now you need to convert this to miles by multiplying by the amount of miles per gallon.

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The second way to look at this is dimensional analysis. If you have learned this, then continue on reading this, but if you haven't I might only confuse you. I only suggest this because it can make it a little easier.

For the dimensional analysis, you need to start with what you are given and move to what you need to know, so you will start with the $2800 dollars and move to gallons. $2.70 per gallon and 28 miles per gallon are your conversion factors.

Set it up like this:

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This allows the equation to be more organized, and you can check your work by canceling the units.

Hope this helps.

3 0
2 years ago
There are 350 members in a swimming club. Of them, 2/7 are new members. Of the new members, 3/10 are females. How many new femal
djyliett [7]
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100 new members

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30 are new female members
5 0
3 years ago
Read 2 more answers
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