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svlad2 [7]
3 years ago
6

Solve the equation for y. 3x + jy= 7

Mathematics
1 answer:
ozzi3 years ago
3 0

Answer:

y=\frac{7-3x}{j}

Step-by-step explanation:

First, subtract 3x. This leaves you with jy=7-3x. Then, divide by j, leaving you with y=\frac{7-3x}{j} .

You might be interested in
A textbook store sold a combined total of 477 sociology and math textbooks in a week. The number of sociology textbois sold was
denpristay [2]

Answer:

The correct answer is 218 math textbooks and 259 sociology textbooks.

Step-by-step explanation:

To solve this problem, we can make a system of equations. Let the number of sociology textbooks sold be represented by the variable "s" and the number of math textbooks sold be represented by the variable "m". Using these variables, we can make two equations:

s + m = 477

m + 41 = s

There are many ways to solve this system of equations. One approach we can take is substituting the value for s given by the second equation into the first equation. This is modeled below.

s + m = 477

(m + 41) + m = 477

Combining like terms on the left side of the equation yields:

2m + 41 = 477

Subtracting 41 from both sides of the equation gives us:

2m = 436

Finally, dividing both sides of the equation by 2 gives us:

m = 218

To solve for the number of sociology textbooks, we can substitute into either of our original equations.

m + 41 = s

(218) + 41 = s

s = 259

Therefore, your answer is m = 218 and s = 259, or 218 math textbooks and 259 sociology textbooks were sold.

Hope this helps!

6 0
2 years ago
Which of the following is a vertical shift of the function f(x)=−(2)x up by 2 units?
expeople1 [14]

Answer:

-(2)x+2

Step-by-step explanation:

g(x)=F(x)+2

g(x)=-(2)x+2

3 0
2 years ago
?can someone help meh
torisob [31]

Answer:

Step-by-step explanation:

C

4 0
3 years ago
License plates in a particular state display 3 letters followed by 3 numbers. How many different license plates can be manufactu
netineya [11]

Using the fundamental counting theorem, it is found that 17,576,000 different license plates can be manufactured.

Fundamental counting theorem:

States that if there are n things, each with n_1, n_2, \cdots, n_n ways to be done, each thing independent of the other, the number of ways they can be done is:

N = n_1 \times n_2 \times \cdots \times n_n

In this problem:

  • Since repetition is allowed, for the 3 letters, there are 26 outcomes, hence n_1 = n_2 = n_3 = 26.
  • For the 3 numbers, there are 10 outcomes, hence n_4 = n_5 = n_6 = 10

Then:

N = 26^3 \times 10^3 = 17576000

17,576,000 different license plates can be manufactured.

To learn more about the fundamental counting theorem, you can take a look at brainly.com/question/24314866

5 0
2 years ago
The merits of taking a good walk. The average person's stride length is approximately 2.5 feet long. That means it takes just ov
san4es73 [151]
(6000 steps/day) * (365 days/year) * (100 cal/mile) / (2000 steps/mile)
= 6000*365*100/2000 cal
= <span>109,500 calories</span>
6 0
3 years ago
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