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3 years ago

How many lines are determined by two points? 0 1 2 infinite

Mathematics

2 answers:

Evgesh-ka [11]3 years ago

8 0

The answer would be 1, 2 points can form a single line by connectin them.

Elena L [17]3 years ago

3 0

1 line, because it’s between 2 points

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Solve this quadratic equation by completing the square.

nadya68 [22]

Answer:

$x=-3+\sqrt{27}\\ x=-3-\sqrt{27}$

Step-by-step explanation:

Let's find our C value for the quadratic equation.

$(\frac{6}{2})^{2} = 9$

That is our C. Since we added 9 to one side, we have to do the same to the other. We get:

$x^{2} +6x + 9 = 18 + 9\\x^{2} +6x + 9 = 27$

Now, lets form the left side as a binomial squared.

$(x+3)^{2} = 27$

Let's square both sides now:

$x+3 = (+/-)\sqrt{27}$

Now, we subtract 3 from both sides to isolate the variable, X:

$x= -3(+/-)\sqrt{27}$

This means that the answers are:

$x=-3+\sqrt{27}\\ x=-3-\sqrt{27}$

I do not understand your answers though. Answer A makes no sense, answer B is 221, answer C is 115, and answer D also does not make sense. If you could clarify this portion, maybe I can help you find your alphabetic answer

3 0

3 years ago

Steven tiene un tapete rectangular con un perímetro de 16 pies.y el ancho del tapete es 5 pies Cual es la longitud del tapete? n

Sunny_sXe [5.5K]

Answer:

$l = 3\,ft$

Step-by-step explanation:

La ecuación de perímetro del tapete es (The equation of perimeter of the carpet is):

$p = 2\cdot (w + l)$

Donde (Where):

$w$ - Ancho (Width)

$l$ - Longitud (Length)

La longitud se determina por despeje (The length is determined by clearing it):

$l = \frac{p}{2} - w$

$l = \frac{16\,ft}{2} - 5\,ft$

$l = 3\,ft$

8 0

3 years ago

elena-s [515]

Answer:

12 in

Step-by-step explanation:

the scale factor of the enlarged frame is found by comparing the widths

original width : enlarged width = 2 : 6 = 1 : 3

That is 3 times the original width , then

enlarged height = 4 × 3 = 12 in

7 0

3 years ago

Can someone help me plz

WINSTONCH [101]

Answer:

no because it has three sides

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Need help on this asap

Ganezh [65]

(-5)(10)= 50 degrees

Brainliest?

5 0

3 years ago