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Dmitrij [34]
3 years ago
14

How do I solve 5x+1=7x+19

Mathematics
1 answer:
notsponge [240]3 years ago
5 0

Answer:

x=-9

Step-by-step explanation:

5x+1=7x+19

1 = 7x-5x +19

1-19 = 2x

-18/2 = x

x = -9

Hope this helps!

Please mark brainliest if you think I helped! Would really appreciate!

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Really need help, 20 points!
babymother [125]
I'm sorry ninth grade slow learner


4 0
3 years ago
Hey plsss help meeeeee
nalin [4]

Answer:

The first, third, and fourth answer choices represent a function.

Step-by-step explanation:

A relation is a relationship between sets of values. The two quantities that are being related to each other are the input (x-variable) and the output (y-variable). But relations in general aren't always a good way to relate between x and y.

Say that I have situation where I want to give <em>x </em>dollars to the cashier so he can change them to <em>y</em> quarters. Here is a "example" of the relation:

Dollars (x) | Quarters (y)            

----------------------------------              

       0       |          0                      

        1       |          4                      

       2       |          8

       2       |          12

Do you see something wrong here? Yes! We all know that you can't exchange 2 dollars for 12 quarters. You can only exchange 2 dollars for 8 quarters and only 8 quarters. This is a general reason why we don't rely on general relations for real-life situations. One x-variable does not exactly map to one and only one y-variable.

However, a relation that can map one x-variable to one and only one y-variable is known as a function. Let's make the above example an actual function to prove a point:

Dollars (x) | Quarters (y)            

----------------------------------              

       0       |          0                      

        1       |          4                      

       2       |          8

       3       |          12

Now, the 3 dollars make 12 quarters as it should. This is how a function should look like.

There are two ways to check if a relation is a function. On a relation, table, or a set of ordered pairs, you have to make sure there is no "x-variable" that repeats. All x-values of a relation have to be unique in order to be a function. On a graph, you can also perform the Vertical Line Test. If you draw vertical lines over a relation and if the lines cross only once, then it is a function. If not, it fails the Vertical Line Test.

So to answer you're question, the first, third, and fourth choices are functions because they all have unique x-variables. The second choice is not a function because it fails the Vertical Line Test.

7 0
3 years ago
How much will the payment be on a 2021 Jeep car costing $29,000 at 3.25 APR Interest on a 72 month loan with no down payment?
Tasya [4]

9514 1404 393

Answer:

  $443.87

Step-by-step explanation:

The amortization formula tells you the payment.

  A = P(r/12)/(1 -(1 +r/12)^(-12t))

where P is the loan amount at annual rate r for t years.

  A = $29,000(0.0325/12)/(1 -(1 +0.0325/12)^(-72)) = $443.87

The monthly payment will be $443.87.

8 0
2 years ago
What is the answer help??!!
mart [117]

Answer:

a

Step-by-step explanation:

6 0
3 years ago
An artist follows this formula for making a special tricolored bracelet: 8 orange beads + 3 red beads + 4 green beads + 1 string
natali 33 [55]
Given that a<span>n artist uses 8 orange beads, 3 red beads, 4 green beads and 1 string for making a special tricolored bracelet.

Given that there are </span><span>15 orange beads, 86 red beads, 92 green beads, and 17 pieces of string</span>, the number of special tricolored bracelets that can be made is 1.

This is because, since 8 orange beads is needed for the special tricolored bracelets and there are only 15 orange beads the available, there will only be 7 orange beads left for the second tricolored bracelet.
3 0
3 years ago
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