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attashe74 [19]
3 years ago
9

One solution, infinitely many solutions, or no solution for #13?

Mathematics
2 answers:
Lady_Fox [76]3 years ago
8 0

Answer:

For this system of equations there is infinitely many solutions.  

Step-by-step explanation:

Given the equations:  -4x + 4y = 32 and 3x + 24 = 3y, we need to first get them both in standard form (Ax + By = C) in order to complete the method of elimination to solve.  The first equatoin is already in standard form, however, in order to convert the second equation, we will need to use inverse operations to move the '3x' to the other side of the equation by subtraction of this term from both sides:  3x - 3x + 24 = 3y - 3x or 24 = -3x + 3y.  Rearranging the equation gives us:  -3x + 3y = 24.  In order to use elimination to solve, we must first multiply the first equation be a factor of 3 and the second equation by a factor of -4 in order to have opposite coefficients:

3[ -4x + 4y = 32] = -12x + 12y = 96

-4{-3x + 3y = 24] = 12x - 12y = -96

You can see that if we add these too equations together, we get 0 = 0, which indicates that they are both the same line, making our answer infinitely many solutions.  

alexgriva [62]3 years ago
6 0

Answer:

all work is ahown/pictured

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seropon [69]

Answer:

Step-by-step explanation:

The response of this would be to say that those people without daytime jobs that are outside the home, are more likely to be home and thus, have more time on their hands to attempt to bake. So basically, the quoted 56% is definitely going to be higher than the population percentage.

8 0
3 years ago
F(x)=4x-5, find f(-2)
GenaCL600 [577]

Answer:

The answer is -13.

Step-by-step explanation:

=4×(-2)-5

=-8-5

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The value of (-2) is -13.

4 0
3 years ago
A restaurant chef bought potatoes at four different stores. The table shows the amount of the potatoes she bought at each store
hichkok12 [17]

Answer:

The way to answer this question is to find out the price per pound potato by dividing the amount the restaurant chief paid by the number of pounds bought.

Your question lacks details on the pounds bought in the other stores so I will assume these figures and you can use it as a reference.

Restaurant B - 2 pounds

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Restaurant C = 9.75/12

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Restaurant D = 4.80/8

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3 0
3 years ago
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Nataliya [291]

Answer:

Option B.  of the bag.

Step-by-step explanation:

Eight friends ate  of a bag of chips in the same amount.

We have to find the quantity that each person ate the chips.

Each friend ate =  ÷ 8

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Therefore, each friend ate  of the bag of chips.

Option B is the answer.

7 0
3 years ago
Read 2 more answers
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Orlov [11]

Answer:

n = 4

Step-by-step explanation:

Given

10n + 2 = 7n + 14

Collect terms in n on the left side and numbers on the right side

Subtract 7n from both sides

3n + 2 = 14 ( subtract 2 from both sides )

3n = 12 ( divide both sides by 3 )

n = 4

4 0
3 years ago
Read 2 more answers
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