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iogann1982 [59]
4 years ago
10

Solve X^2 + 5x + 6 = 0

Mathematics
2 answers:
vesna_86 [32]4 years ago
7 0

x= -4/2 = -2

i believe this is it

Oduvanchick [21]4 years ago
6 0

Answer:

x = -2 or x = -3

Step-by-step explanation:

Solve for x over the real numbers:

x^2 + 5 x + 6 = 0

The left hand side factors into a product with two terms:

(x + 2) (x + 3) = 0

Split into two equations:

x + 2 = 0 or x + 3 = 0

Subtract 2 from both sides:

x = -2 or x + 3 = 0

Subtract 3 from both sides:

Answer: x = -2 or x = -3

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Step-by-step explanation:

its not letting me put the resolts but you can use this link and i hope it helps you :)

https://mathsolver.microsoft.com/en/solve-problem/%7C%202x-2%20%20%7C%20%20%2B6

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3 years ago
In ACE, G is the centroid and BE = 9. find BG and GE ​
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b-g is 3

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Step-by-step explanation:

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Put the following equation of a line into slope-intercept form, simplifying all
Pepsi [2]

Answer:

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4 years ago
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Change general form of hyperbola into standard: -x^2 + y^2 -16x + 14y - 251 = 0
topjm [15]

Answer:

(y+7)²/364 - (x+8)²/364 = 1

Step-by-step explanation:

This is the standard form of a vertical hyperbola (y-k)²/a² - (x-h)²/b² = 1

so, (y²+14y+?) - (x²+16x+?) = 251

(y²+14+49)-49 - (x²+16x+64)-64 = 251

(y+7)² - (x+8)² = 251 + 49 + 64

(y+7)² - (x+8)² = 364

(y+7)²/364 - (x+8)²/364 = 1

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4 years ago
Two mechanics worked on a car. The first mechanic worked for 20 hours, and the second mechanic worked for 15 hours. Together the
klasskru [66]

The rate charged per hour by each mechanic was:  x = 75 $ / hr and y = 115 $ / hr.

<h3>What is a system of equations?</h3>

A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.

Given;

The first mechanic worked for 20 hours, and the second mechanic worked for 15 hours.

Together they charged a total of $3225.

For this case we have the following variables:

x be the amount of $ / hr that the mechanic obtains 1.

y be the amount of $ / hr obtained by mechanic 2.

An equation to express this would be:

x + y = 190

20x + 15y = 3225

Solving the system of equations we have:

20x + 15(190 -x) = 3225

20x + 2850 - 15x = 3225

5x = 375

x = 75

simililary

y = 190 - x

y = 115

Hence, the rate charged per hour by each mechanic was:

x = 75 $ / hr

y = 115 $ / hr

Learn more about equations here;

brainly.com/question/10413253

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