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NeTakaya
3 years ago
9

What is the solution to the system of equations? Use the substitution method.

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
3 0
The answer is A. (3,-1/2)
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What’s the definition of input and output?
Vika [28.1K]

Input is the same as the x-term and output is the same as the y-term.

For example, take a look at the image provided with thee table.

Looking at the first box of our table, notice that if we subtract 5 from 1, we get -4 and if we subtract 5 from 2 we get -3 and if we subtract 5 from 3, we get -2.  Notice that in each case, we're subtracting 5 from the input to get the output.

I attached a table so you can practice if you'd like to. All you have to do is subtract 5 from each input and you will end up with the output. The first few are done for you. I also provided an answer key in the next image so you can check your work.

The last one might be a little trick. In the input, we have n which is a variable that represents any number. If we want to find the nth term, we simply subtract 5. So we have n - 5.

First image is practice if you'd like and the second is the key.

If you don't want to do it, no worries.

4 0
4 years ago
Read 2 more answers
Mr. rush want to buy a pair of shoes for $85 and a shirt for $22 if the sales tax rate is 8.25% what will be the total of Mr. ru
77julia77 [94]

Answer:

Add 85 +22

Step-by-step explanation:

107 i think sorry if im wrong

7 0
3 years ago
Mr. Allen needs to store his boat for winter. He needs to fill the gas tank and put fuel preserver in the tank. The fuel tank ho
alexira [117]

Answer:

<em>Mr. Allen will need 28 oz. of preserver</em>

Step-by-step explanation:

<u>Proportions</u>

A direct proportion is a relation between variables where their ratio is a constant value. This means that if p and g are proportional, then:

p = kg

Where k is the constant of proportionality.

Where p is the quantity of preserver Mr. Allen needs to store his boat for winter, and g is the gallons of gas of the tank.

We are already given the ratio of fuel preserver and gallons of gas as 1 oz:2.5 gallons.

The value of k is, then k=1/2.5. The proportion is written as:

p = g/2.5

Since the boat holds g=70 gallons of gas:

p = 70/2.5 = 28

Mr. Allen will need 28 oz. of preserver

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3 years ago
BRAINLIESTTTT ASAP!!! PLEASE HELP ME :)
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y=4x-3

4x: Slope

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4 years ago
A polygon has 8 sides. any line segments connecting any 2 points on the polygon will consist of no points outside of the polygon
Mrac [35]

Answer:

an octagon and convex

Step-by-step explanation:

cuz i said so

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