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Nadya [2.5K]
4 years ago
12

HELP ME PLEASE IM HAVING SO MUCH TROUBLE....

Mathematics
1 answer:
zysi [14]4 years ago
5 0
Pretty sure it’s B I could be wrong
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If seven times a number is added to the squares of the number and the result is negative twelve, what are the numbers?
AleksAgata [21]
Let's name the number 'n'. Now write an equation. 7*n +n^2 =12Now you can form a quadratic. n^2 +7n-12=0. Now you can use a myriad of methods to solve it. If you still need help, just message me. 
6 0
4 years ago
can you solve the question but tell me how to do it I'm trying to study but don't know how to solve it?
Vedmedyk [2.9K]

Answer:

8x+19=9x+9

Step-by-step explanation:

Simplifying

(8x + 19) = (9x + 9)

Reorder the terms:

(19 + 8x) = (9x + 9)

Remove parenthesis around (19 + 8x)

19 + 8x = (9x + 9)

Reorder the terms:

19 + 8x = (9 + 9x)

Remove parenthesis around (9 + 9x)

19 + 8x = 9 + 9x

Solving

19 + 8x = 9 + 9x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-9x' to each side of the equation.

19 + 8x + -9x = 9 + 9x + -9x

Combine like terms: 8x + -9x = -1x

19 + -1x = 9 + 9x + -9x

Combine like terms: 9x + -9x = 0

19 + -1x = 9 + 0

19 + -1x = 9

Add '-19' to each side of the equation.

19 + -19 + -1x = 9 + -19

Combine like terms: 19 + -19 = 0

0 + -1x = 9 + -19

-1x = 9 + -19

Combine like terms: 9 + -19 = -10

-1x = -10

Divide each side by '-1'.

x = 10

Simplifying

x = 10

6 0
2 years ago
Read 2 more answers
Please help me I’m desperate for help.........due tomorrow multiple choice
pantera1 [17]

Answer:

first one is b

second is c

Step-by-step explanation:   hope this helps!!

8 0
3 years ago
PLZ ANSWER ASAP
Nutka1998 [239]

Answer:

C.)-18\sqrt{7} Is your answer!

Step-by-step explanation:

Please mark brainliest if this helped! :D

3 0
3 years ago
Read 2 more answers
Answer the question
rusak2 [61]

Answer:

for example 144.89 and 145.12

Step-by-step explanation:

3 0
3 years ago
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