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3 years ago

9

The product of two consecutive positive integers is greater than their sum by 209. Find these numbers.

2 answers:

Delicious77 [7]3 years ago

8 0

Answer:

I think it is -4 and -3

Step-by-step explanation:

Svetradugi [14.3K]3 years ago

5 0

Answer:

15, 16

Step-by-step explanation:

so, x(x+1)=x+x+1+209.solve this and you get x^2+x=2x=210, x^2-x-210=0, and when you solve this quadratic function, you get x=15, and the other with 16. to check see if 240 is 209 greater than 31, which is so there you have it. Hope you have a happy thanksgiving!

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What is the solution of the system x − 3y = –13 and 5x + 7y = 34? A. `x = (6)/(5)`, y = 4 B. `x = (7)/(2), y = (9)/(2)` C. `x =

Masteriza [31]

For this case we have the following system of equations:

$x-3y = -13\\5x + 7y = 34$

From the first equation we clear "x":

$x = -13 + 3y$

We substitute in the second equation:

$5 (-13 + 3y) + 7y = 34$

We apply distributive property:

$-65 + 15y + 7y = 34$

We add similar terms:

$-65 + 22y = 34$

We add 65 to both sides:

$22y = 34 + 65\\22y = 99$

We divide between 22 on both sides:

$y = \frac {99} {22}\\y = \frac {9} {2}$

We look for the value of the variable "x":

$x = -13 + 3 \frac {9} {2}\\x = -13 + \frac {27} {2}\\x = \frac {-26 + 27} {2}\\x = \frac {1} {2}$

Thus, the solution of the system is:

$(x, y): (\frac {1} {2}, \frac {9} {2})$

ANswer:

$(x, y): (\frac {1} {2}, \frac {9} {2})$

5 0

3 years ago

Read 2 more answers

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Fofino [41]

“.....” or a sequence of periods, is typically representative as an absence of thought or emotion.

8 0

3 years ago

What is -5 5/8+3 1/2 <br> A. -3 1/8 b. -2 1/2 c. -2 1/8 d. -7/8

pshichka [43]

Answer:

a is the answer.

Step-by-step explanation:

6 0

3 years ago

Help please :) I'd greatly appreciate it

azamat

= 4i (2i) <span>√6
= 8i^2 </span><span>√6 but i^2 = -1
= - 8</span><span>√6</span><span>

</span>

6 0

3 years ago

Does anyone know the answer to both of these questions????

atroni [7]

Answer:

c d

Step-by-step explanation:

3 0

3 years ago