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Vsevolod [243]
3 years ago
10

What is the equation of the line through B and C? B = (4,2) C = (-1,-3).

Mathematics
1 answer:
Dahasolnce [82]3 years ago
6 0

Answer:

y=x-2

Step-by-step explanation:

I graphed the equations on desmos and saw which one had those ordered pairs on the line.

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I NEED THIS BY M TONIGHT!! HELP YA SIS OUT -w-
Hunter-Best [27]

Answer:

24 weeks.

Step-by-step explanation:

25x = 600

divide both sides by 25 to get:

x = 24

7 0
2 years ago
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Find the axis of symmetry and the vertex of the graph f(x)=2x-4x
Shalnov [3]
F(x)=2x-4x . This function has no axis of symmetry nor a vertex, it's a linear function, I believe you forgot something to be a quadratic function
7 0
3 years ago
1. What values for θ (0≤θ≤2π) satisfy the equation? 2cosθsinθ - root3sinθ = 0
Lubov Fominskaja [6]

Answer:

Math juice 999

Step-by-step explanation:

WRLD yuh

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3 years ago
Expand and simplify (x - 2)(x - 1)
Whitepunk [10]

Answer:

x^2 -3x+2

Step-by-step explanation:

(x - 2)(x - 1)

FOIL

first: x*x = x^2

outer: -1*x = -x

inner: -2*x =-2x

Last: -2*-1 =2

Add together

x^2 -x-2x+2

Combine like terms

x^2 -3x+2

5 0
3 years ago
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The lengths of pregnancies in a small rural village are normally distributed with a mean of 261 days and a standard deviation of
valina [46]

Answer:

(221.39, 300.61) and (255.2223, 266.7777)

Step-by-step explanation:

Given that X, the  lengths of pregnancies in a small rural village are normally distributed with a mean of 261 days and a standard deviation of 17 days

Middle 98% would lie on either side of the mean with probability ±2.33 in the std normal distribution on either side of 0

Corresponding we have x scores as

Between 261-2.33*17 and 261+2.33*17

i.e. in the interval = (221.39, 300.61)

If sample size = 47, then std error of sample would be

\frac{17}{\sqrt{47} }

So 98% of pregnancies would lie between

261-2.33*\frac{17}{\sqrt{47} } and 262+2.33*\frac{17}{\sqrt{47} }

= (255.2223, 266.7777)

8 0
3 years ago
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