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antiseptic1488 [7]
2 years ago
14

If using the method of completing the square to solve the quadratic equation x^2-13x+14=0, which number would have to be added t

o "complete the square"?
Mathematics
1 answer:
nevsk [136]2 years ago
7 0

Answer:

169/4

Step-by-step explanation:

Take the coefficient of the x term.  Here it's -13.  Now halve that, obtaining -13/2.  Finally, square this result.  We get 169/4.  This is the desired number.

x^2 - 13x + 169/4 - 169/4 + 14 = 0

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babymother [125]

Let

x--------> the number of dozen of eggs

f(x)-------> the number of eggs

we know that

f(x)=12x+3

The domain of the function is the amount of dozens of eggs that Monica can buy

The domain is the interval-------> [2,3,4,5,6]

All integers from 2 to 6, inclusive

The range is the interval-------> [27, 39, 51, 63, 75]

therefore

<u>the answer is the option</u>

All integers from 2 to 6, inclusive


7 0
3 years ago
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Label the endpoints to round 21.897 to the nearest hundredth​
IrinaVladis [17]

Answer:

21.897 to the nearest hundredth is 2.19

3 0
2 years ago
What is the value of X?
ladessa [460]
To find the answer make 25 equal to 6x+1
25=6x+1
25-1=24
24=6x
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x=4

X=4


4 0
3 years ago
Solve these equations.<br> 1. -16 = v - 14<br> 2. -2n = -22<br> 3. 25 = b + 7
leonid [27]

1) -16 = v - 14

Add 14 to both sides.

v = -2

2) -2n = -22

Divide both sides by -2.

n = 11

3) 25 = b + 7

Subtract 7 from both sides.

b = 18

6 0
3 years ago
Area of square whose side is 11 cm ________
Gnom [1K]

Answer:

121 cm²

Step-by-step explanation:

Square's area formula is

A=a²

where a stands for a side of the square

A=(11 cm)²

A=121 cm²

whenever you're talking of area you put cm²

8 0
2 years ago
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