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pochemuha
4 years ago
10

What is the distance between 0(-5,-2) and P(7,-7)

Mathematics
1 answer:
stiks02 [169]4 years ago
6 0
Distance formula: sqrt [ (x2 - x1)^2 + (y2 - y1)^2 ]

x1 , y1
(-5, -2)

x2, y2
(7, -7)


sqrt [ ( 7 - (-5) )^2 + ( -7 - (-2) ) ]

sqrt [ ( 7 + 5 )^2 + ( -7 + 2 ) ]

sqrt [ (12)^2 + (-5)^2 ]

sqrt [ 144 + 25 ]

sqrt [ 169 ]

sqrt of 169 = 13

The distance is 13
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Identify The domain of the rational function, g(x)= 1/x+3
8_murik_8 [283]

Answer:

The domain is (-∞ , -3) ∪ (-3, ∞) ⇒ D

Step-by-step explanation:

<em>The domain of the rational fraction is t</em><em>he values of x which make the fraction defined</em><em>. That means </em><em>the domain does not contain the values of x which make the denominator equal to 0</em><em>.</em>

∵ g(x) = \frac{1}{x+3}

∴ The denominator = x + 3

→ Equate the denominator by 0

∵ x + 3 = 0

→ Subtract 3 from both sides

∴ x + 3 - 3 = 0 - 3

∴ x = -3

→ That means the domain can not have -3 because it makes the denominator

   equal to 0

∴ The domain is all values of real numbers except x = -3

∴ The domain = {x : x ∈ R, x ≠ -3}

∴ The domain = (-∞ , -3) ∪ (-3, ∞)

4 0
3 years ago
Para comprar una bici el papá de José le dio 2/5 partes del costo y su mamá le dio 1/4 que parte puso José ?
kifflom [539]

Answer:

7/20

Step-by-step explanation:

2/5= 8/20 y 1/4=5/20

Jose le dio 13/20 partes, y Jose puso 7/20

5 0
3 years ago
The heights of women aged 20 – 29 in the United States are approximately Normal with mean 64.2 inches and standard deviation 2.8
Bumek [7]

Answer: 0.64

Step-by-step explanation:

Given : The heights of women aged 20 – 29 in the United States are approximately Normal with \mu=64.2 inches and \sigma=2.8 inches.

Let x denotes the height of women.

Since 1 feet = 12 inches

5.5 feet = 5.5\times12=66 inches

Then, the z-score corresponds to x=66 inches will be :-

z=\dfrac{66-64.2}{2.8}=0.642857142857\approx0.64

Hence, the z ‑score for a woman 5.5 feet tall = 0.64

8 0
4 years ago
Write an equation for each circle
Alinara [238K]
Yep what the girl said
5 0
3 years ago
1. Find the Area of the given circle. Round to the nearest tenth.
ruslelena [56]
Hey there Panda!

Question #1

(3.5*3.14 = 10.99 rounded would be 11) 11 is your answer.

Question #2

The circumference equals 21.99, but rounding it would be 22.00

Question #3

We divide 12/2 and from this we get 6. We doing (6*3.14) and then multiply by 2 and then divide by it's circumference and then we get it area. The answer that I got was 452.39, but from looking at your options, your correct answer would be 452.2 (ft)

Question #4

So, by looking at this weird shape, we see that the integer's are 8 by 5. When doing area, we often multiply. As we do this with these number's, we get 40.

We do 8/4 = 2; 5/2 = 2.5. So, from doing this, we get 90.2 (ft).

Question #5

With this last question, I believe that the answer may be C.) So, what I did was I did the radius x's 3.14 and got 6.28 then minus 10 and got around 3.

Hope this helps.
~Jurgen
7 0
4 years ago
Read 2 more answers
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