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Sedaia [141]
4 years ago
10

Solve x2 + 6x + 7 = 0.

Mathematics
1 answer:
Svetach [21]4 years ago
3 0

Answer:

x=−3+√2 or x=−3−√2



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The weather forecaster says that there is a 51% chance of rain today. Which statement describes the likelihood that it will rain
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Answer:

It is neither likely nor unlikely that it will rain today.

Step-by-step explanation:


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If f(x)= 3x+1 is reflect across the y-axis; what would the slope & y-intercept be? *
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So the slope is -3 and the y-intercept is 1

Step-by-step explanation:

This is because it’s across the y-axis so the y-intercept doesn’t change. Because it’s a reflection the slope just becomes the opposite of what it originally was, so in this case it will be -3

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What is the slope of y=5/2x - 4. and what is the y intercept
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Step-by-step explanation:

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Suppose a family starts out 50 miles from home at time t = 0. They travel away from home at a constant speed of 45 miles an hour
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45 miles each 1 hour

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Consider the equation: 3(–4n – 9) = 21
hram777 [196]

Answer: N=-4

Step-by-step explanation:

STEP

1

:

STEP

2

:

Pulling out like terms

2.1     Pull out like factors :

  -4n - 9  =   -1 • (4n + 9)

Equation at the end of step

2

:

 -3 • (4n + 9) -  21  = 0

STEP

3

:

STEP

4

:

Pulling out like terms

4.1     Pull out like factors :

  -12n - 48  =   -12 • (n + 4)

Equation at the end of step

4

:

 -12 • (n + 4)  = 0

STEP

5

:

Equations which are never true:

5.1      Solve :    -12   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation:

5.2      Solve  :    n+4 = 0

Subtract  4  from both sides of the equation :

                     n = -4

One solution was found :

n = -4

7 0
3 years ago
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