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Crazy boy [7]
3 years ago
10

Which expression is equivalent to 27+15n?

Mathematics
1 answer:
nikitadnepr [17]3 years ago
8 0
3(9+5n)

Use the distributive property to multiply 9 by 3 and 3 by 5n to get that answer.
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Find the sum of three consecutive odd integers where x is the greatest integer
myrzilka [38]
X + (x − 2) + (x − 4) = ? ;  In which
<span>
x + x </span>− 2 + x − 4 ; 

Combine the "like terms" ; 

  x + x + x = 3x ; 

  − 2 − 4  =  −6 ; 

So we have:  "3x  − 6" as the sum. ;
___________________________
The sum of three consecutive odd integers, in which "x" is the greatest integer;  is:  "3x − 6" .
_____________________________________________
Note:  The three consecutive odd integers, from least to greatest, are:

"(x − 4)" , "(x − 2)" , and "x" .

The sum is:  "(3x  − 6)<span>" .
</span>_____________________________________________
Note:  "(3x  − 6)" factors into:  " 3(x −2)" .

Note that:  " (x − 2) " is the second integer.
______________________________________________
So the sum total, which is:  "(3x  −  6)" ;  is 3 (three) times the value of the second integer; that is, "3 (x − 2)" .
______________________________________________
5 0
2 years ago
WILL MARK BRAINIEST IF CORRECT.
bonufazy [111]

Answer:

1, 2, 5 and 6 are the answers.

Step-by-step explanation:

2 is correct because the arrow shows that the number line continues till infinity. 5 is correct because any fraction is possible as no restriction of integer value is placed. Any number less than 7 is not included. There are some confusions with 1 as it's not a solid color, So, I assume -7 is not included.

3 0
3 years ago
If 3a = cosec x and 3/a = cot x, find the value of 3(a2 - 1/a2)​
insens350 [35]

\csc(x) =  \frac{r}{y}  =  \frac{3a}{1} \\  \cot(x)  =  \frac{x}{y}  =  \frac{3}{a} \\ y = a = 1   \\  \\ 3( {a}^{2} - \frac{1}{{a}^{2} } ) \\   3( {1}^{2}  -  \frac{1}{ {1}^{2} } ) \\  = 0

3 0
3 years ago
Joe borrowed $8,000 from the bank at a rate of 7% simple interest per year. How much interest did he pay in 5 years?
belka [17]
Joe would be paying $700 in 5 years time.

Explanation:

($2,000)(0.07/year)(5 years)
= ($2,000)(0.07)(5)
= $700
8 0
3 years ago
Read 2 more answers
if the area of the rectangle shown is 150 square feet, we can use the equation 2x squared - 5x = 150 to find its dimensions. if
Juliette [100K]
Factoring the left side of the equation

x(2x-5) = 150  

x = 10 so the dimension are 10 and (2(10) - 5  = 15

length = 15 feet , width = 10 feet.
5 0
3 years ago
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