3 years ago

Give the slope between the points. Answer

Mathematics

2 answers:

Alla [95]3 years ago

4 0

Answer:

With the given points your slope would be -5/4.

Ksenya-84 [330]3 years ago

3 0

The answers to this question is -4/5

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Solve x2 − 8x + 5 = 0 using the completing-the-square method. (2 points)

RoseWind [281]

Answer:

$x = 4 + \sqrt{11}, \: \: x = 4 - \sqrt{11}$

Step-by-step explanation:

${x}^{2} -8x + 5 = 0 \\ \\ {x}^{2} - 8x + {4}^{2} = - 5 + {4}^{2} \\ \\ {(x - 4)}^{2} = - 5 + 16 \\ \\ {(x - 4)}^{2} = 11 \\ \\ x - 4 = \pm \sqrt{11} \\ \\ x = 4 \pm \sqrt{11} \\ \\ x = 4 + \sqrt{11}, \: \: x = 4 - \sqrt{11}$

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2 years ago

Identify the terms and like terms in the expression - x - 9x*2 + 12x*2 + 7

alexgriva [62]

The expression - x - 9x^2 + 12x^2 + 7 has 4 terms:
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Like terms are:
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3 years ago

A child has 4 wooden blocks. How many different ways can she stack 3 of them into a tower?

faltersainse [42]

Answer:

Step-by-step explanation:

To find the number of different ways she can stack 3 of them in a tower, we need to use the formula:

$_{n}P_{k}=\dfrac{n!}{(n-k)!}$

n = 4

k = 3

$_{n}P_{k}=\dfrac{4!}{(4-3)!}$

$_{n}P_{k}=\dfrac{4!}{1!}$

$_{n}P_{k}=\dfrac{4*3*2*1!}{(1)!}$

$_{n}P_{k}=\dfrac{4*3*2*1!}{1}$

$_{n}P_{k}=\dfrac{24}{1}$

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3 years ago

Where my math wizzes at? I really need help and fast. A dialation has a center (0, 0, 0). Find the image of the point (-1, 2, 0)

defon

Multiply every coordinate by the scale factor 3

(-1,2,0) ----> (-3,6,0) is the answer

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3 years ago

Point R is at (2, 1.2) and Point T is at (2, 2.5) on a coordinate grid. The distance between the two points is ____. (Input numb

Nataly [62]

You could graph this, but it is simpler in this case to do it mathematically.

Since the x and values are the same (implying undefined slope) you can subtract the smaller y value from the larger y value. 2.5-1.2=1.3.

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3 years ago