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ArbitrLikvidat [17]
3 years ago
10

??? r + 3r + _ = 6r 3 2 3r 2r

Mathematics
2 answers:
Nina [5.8K]3 years ago
7 0
2r because adding 3r and r gets you 4r so you would need 2 more
Elena-2011 [213]3 years ago
4 0

Answer:

2r

Step-by-step explanation:

r+3r+_=6r

4r+_=6r

Subtract 4r from both sides.

_=2r

Therefore the answer is 2r.

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Question 3: Marla bought one necklace and two bracelets for $67.50. Use the following information to determine the amount she pa
Butoxors [25]

Answer:

Each bracelet costs 20.25

Step-by-step explanation:

Here's what was given in the equation:

Total Price: $67.50

Price of necklace: $27

We can subtract the $27 from the $67.50 to get $40.5

Since we know that both bracelets are the same price we can divide the $40.5 by 2 to get two of the exact same prices. The result is $20.25 for each bracelet.

<em>Hope this helps</em>

5 0
2 years ago
The difference of two integers is thirty. the larger integer is two more than five times the smaller integer. Find the integers
Mnenie [13.5K]
X=2+5y
x-y=30

basically, all you're doing here is solving a system of equations. use the second equation to find out what x or y means. i'm going to solve it for x.

this is the new equation : x=30+y

now i plug this equation into the first one.

30+y=2+5y

30=2+5y-y
30=2+4y
28=4y
y=7

now that you know what y is, take that second equation we did in the beginning and plug in y.

x-7=30

solve for x

x=37



the two integers are 37 and 7.
5 0
3 years ago
Which is an example of an expression?<br> O 3,2 – 4.<br> O a = 144<br> 0 10 = 2.5<br> O 2 &lt; 52
cluponka [151]

Answer:

2 - 4

Step-by-step explanation:

no equal sign

4 0
2 years ago
Find y when x = 2 <br><br>y = 30 - 2x​
lisabon 2012 [21]
Y = 30 - 2(2)
y= 30 - 4
y = 26
4 0
3 years ago
12% of what number is 42?
Andreyy89

Answer:

350

Step-by-step explanation:

12% = 0.12

42 / 0.12 = 350

3 0
3 years ago
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