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Ira Lisetskai [31]
3 years ago
11

Solve the equation: 2+3x=4+x(2+x)

Mathematics
1 answer:
grandymaker [24]3 years ago
4 0
2 + 3x = 4 + 2x + x^2
x^2 - x + 2 = 0

(x - 0.5)^2 - 0.25 + 2 = 0

(x - 0.5)^2 = -1.75

x - 0.5 = +/- sqrt 1.75 * i

x = 0.5 + 1.32i  ,  0.5 - 1.32i  answer
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How many zeros in x^4 + 3x2 + 12
barxatty [35]

Answer:

We know that ,

Number of zeroes in a polynomial = degree of the polynomial

( degree of polynomial = the highest power in the polynomial )

therefore ,

\bold\blue{number \:of \:zeroes \:of\: the \:given} \\\bold\blue{polynomial\: = \:4}

hope helpful~

3 0
2 years ago
Mr. Babe used to work at a local furniture store.
8090 [49]

A. Mr. Babe made a commission of $14.85

B. He makes $15.75 per hour after the raise.

Step-by-step explanation:

A. While he worked there, Mr. Babe earned 3% on how much he sells. If he sold $495 couch, how much commission did he make?

Worth of sold couch = $495

Commission = 3%

Amount of commission = 3% of total worth sold

Amount of commission = \frac{3}{100}*495

Amount of commission = \frac{1485}{100}=\$14.85

Mr. Babe made a commission of $14.85

B. On top of his commission, Mr. Babe made $15 per hour. He eventually got a raise with an increase of 5% per hour. After the raise, how much did he make per hour?

Amount earned per hour = $15

Increase = 5%

As the increment is on per hour amount, therefore,

Amount of increase = 5% of per hour amount

Amount of increase = \frac{5}{100}*15=\frac{75}{100} = \$0.75

New amount per hour = Per hour amount + amount of increase

New amount per hour = 15+0.75 = $15.75

He makes $15.75 per hour after the raise.

Keywords: percent, addition

Learn more about addition at:

  • brainly.com/question/1506379
  • brainly.com/question/1506955

#LearnwithBrainly

7 0
3 years ago
WILL GIVE BRAINLIEST. If x+y=3 and 3x+5y=13, then x-y is equal to?
Alex17521 [72]

Answer:

(1,2)

y=2

x=1

Step-by-step explanation:

x+y=3

3x+5y=13

solve the equation

x=3-y

3x+5y=13

substitute the value of x into an equation

3(3-y)+5y=13

distribute

9-3y+5y=13

add -3y to 5y

9+2y=13

subtract 9 from both sides

2y=4

divide both sides by 2

y=2

substitute the value of y into an equation

x=3-2

subtract 3 to 2

x=1

--------

(1,2)

--------

6 0
2 years ago
Classify each function as a power function, root function, polynomial (state its degree), rational function, algebraic function,
Gnoma [55]

x=0-87 hope this helps

5 0
2 years ago
Help please with these questions
Sonja [21]
6.) triangles; 6 units
7.) 5 x 6; 30 units
8.) 72 units
9.) 84 units

Hope this helps!
7 0
3 years ago
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