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Harlamova29_29 [7]
3 years ago
7

Plz help me, no one has. I'll give 100 brainly pts

Mathematics
1 answer:
Serhud [2]3 years ago
6 0

Answer:

to find the distance between two points, in order to find the length of the triangle we need first to find the instance between the two points

distance between (2,9) and (2,4) .....a =5

distance between (2,4) and (6,4) .....b = 4

when we find the length of the side of the triangle , then we can apply the Pythagorean theorem to find hyp. c

a²+b²=c²

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Find the 9th term geometric sequence 1,1/2,1/2^2
valentinak56 [21]

Answer:   t_9=\dfrac{1}{2^8}

<u>Step-by-step explanation:</u>

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On a blueprint, the bedroom wall is 6 in long. the scale factor is 1 to 24. what is the length of the actual wall?
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Answer:

A

Hope This Helps! :)

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2 years ago
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points a,b and c are collinear on AC, and AB:BC=3/4. A is located at (x,y), B is located at (4,1), and c is located at (12,5). w
olga_2 [115]
We have two unknowns: x and y. Now, we have to formulate 2 equations. The first would come from the use of the given ratio:

We use the distance formula to find the distance between coordinates:

3/4 = √[(x-4)²+(y-1)²] / √[(4-12)²+(1-5)²]
√[(x-4)²+(y-1)²]  = 3√5
(x-4)²+(y-1)² = 45
x² - 8x + 16 + y² - 2y + 1 = 45
x² - 8x + y² - 2y = 28  --> eqn 1

The second equation must come from the equation of a line:
y = mx +b
m = (5-1)/(12-4) = 1/2

Substitute y=5 and x=12 for point (12,5)
5 = (1/2)(12) + b
b = -1

So, the second equation is

y = 1/2x -1 or x = 2 + 2y --> eqn 2

Solving the equations simultaneously:
(2 + 2y)² - 8(2 + 2y) + y² - 2y = 28 
Solving for y, 
y = -2
x = 2+2(-2) = -2

Therefore, the coordinates of point A is (-2,-2).

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3 years ago
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Convertir 675 Faren a Kelvin (Con ecuaciones porfavor)
alexandr1967 [171]

Answer:

<em>(675°F − 32) × 5/9 + 273.15 = 630.372K </em>

Hope it's right if not so sorry :)

5 0
3 years ago
If m = 3 and b = 6, what is the correct equation of the line in slope intercept equation?
aksik [14]

Answer:

the equation would be y = 3x +6

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3 years ago
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