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slava [35]
2 years ago
15

Resuelve los siguientes sistemas de ecuaciones lineales utilizando el método de igualación

Mathematics
1 answer:
Dafna11 [192]2 years ago
7 0

Answer:

A

Step-by-step explanation:

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Ax + c = R (solve for x)
sp2606 [1]
Ax + c = R     (subtract c from each side)

Ax + c - c = R - c

Ax = R - c     (divide A from each side)

Ax/A = (R-c)/A

x = \frac{R-c}{A}  <-answer

4 0
2 years ago
Read 2 more answers
Find the area. Show your work.
Maksim231197 [3]
9*10(90) - 7*3(21) = 69
5 0
3 years ago
What is the quotient of the following in simplest form? 5/9 divided by 2/3
Assoli18 [71]

Answer:

5/6

Step-by-step explanation:

You write the question as such: 5/9 divided by 2/3.

After that, you keep the first fraction, flip the sign and the fraction.

You will get: 5/9 multiplied by 3/2.

When you get this, you then cross multiply and simplify as such.

5/3 multiplied by 1/2.

5/6 would be your solution.

4 0
2 years ago
suppose the annual rate of inflation is about 4% this means that the cost of an item increases by about 4%. write and evaluate a
Mashcka [7]
Cost = (3,500) * (1.04)^years
Cost = (3,500) * (1.04)^4
<span><span><span>Cost = (3,500) * 1.16985856 </span> </span> </span>
<span><span>Cost = </span>4,094.50</span>



4 0
3 years ago
A trade magazine routinely checks the​ drive-through service times of​ fast-food restaurants. Upper AA 9595​% confidence interva
Butoxors [25]

Answer:

One can be 95% confident that the drive-through service times of​ fast-food chain is between 169 seconds and 172 seconds.

Step-by-step explanation:

The confidence interval gives a range of value for the population mean or parameter, which is calculated from the statistic value of the data (that is sample statistic). This range gives the interval which is associated with a certain level of confidence for which the interval will contain the true value of the unknown parameter (true value). In the scenario above, the associated confidence level is 95%.Hence, we can be 95% confident that the true value will be continued with the interval (169 ; 172)

6 0
3 years ago
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