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defon
3 years ago
10

The equation is ax+r=7 how do I solve for r??

Mathematics
2 answers:
Strike441 [17]3 years ago
7 0
The solution is r= 7/a-x How did i do this?
Your equation is ax+ r=7, so the goal is to isolate the r. You begin by dividing the a from the ax. Remember, what you do to one side, you must do to the other. So you do 7/a, since you can't simplify 7/a, leave it as it is. Next, your equation should look like this x+r=7/a. In order to isolate the r, you move the x to the other side by subtracting, which leaves you with the answer of r= 7/a-x.
Hope this helped!
exis [7]3 years ago
3 0
1. Divide each side by a
2. Subtract x from each side and you'll be left with r

Answer: (7/a)-x = r
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4 0
3 years ago
- 4. What is the roster form of the set K = {x/x are odd numbers from 2 to 8} ? A. H = {2, 4, 6, 8} C. H = {3, 4, 5, 6, 7} B. H
tangare [24]
<h3>Answer:  H = {3, 5, 7}</h3>

Explanation:

We simply list any odd number that is between 2 and 8. The term "roster form" can be thought of as listing the roster of a sports team (eg: baseball). So instead of describing what the numbers look like, we list out the numbers themselves. Those numbers being 3, 5 and 7.

Something like {2,4,6,8} is ruled out because we're dealing with odd numbers only.

3 0
3 years ago
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MAXImum [283]

Answer:

....

Step-by-step explanation:

3 0
3 years ago
The area of a rectangle is 10r (squared) − 11r − 6. The width is 2r − 3. What is the length?
sladkih [1.3K]
<span>10r^2 − 11r − 6 = (2r - 3)(5r +2)
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A = </span>(2r - 3)(5r +2)<span>
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answer
length = (5r +2)
6 0
3 years ago
A bag contains the following marbles: 5
Inessa [10]

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You would put black marbles (5) first, because it came before brown (20) in the list.

5 0
3 years ago
Read 2 more answers
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