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3 years ago

I don’t understand question 7

Mathematics

1 answer:

Law Incorporation [45]3 years ago

8 0

A) 1 2 3 4 5 6 7 8 9 10
A) 2 4 8 16 32 64 128 256 512 1024

B)Each time he makes a new cut the number of pieces double

C) 32768 cuts

D) Pieces = $2^{n}$

With D I'm not sure if this is what you're learning but that's what I would do

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Which of the following is the quotient of the rational expressions shown here? x/x-1 / 1/x+1.

grandymaker [24]

Answer:

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Step-by-step explanation:

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6 0

2 years ago

Help asap!!!!!!!!!!!!!!!!

LenKa [72]

I’m pretty sure is equation 3!

6 0

3 years ago

What is the shape graphed by the function r = 1+ sin theta

IRISSAK [1]

Answer: Is known as a "heart" shape.

Step-by-step explanation:

r = 1 + sin(θ)

Let's do it without a graph, let's use only math and logic:

remember that θ is measured from the x-axis

when θ = 0, we have r = 1 (so we have a radius of 1 over the x-axis)

when θ = pi/2, we have r = 1 + sin(pi/2) = 2

when θ = pi, we have r = 1 + sin(pi) = 1

when θ = 3*pi/2, we have r = 1 + sin(3*pi/2) = 0

First, we have symetry around the y-axis,

now, notice that the value of x in θ = 0, θ = pi and θ = 3*pi/2 is the same. so this is not a circle, this is actually a circle where the bottom part is flatted.

But not actually flat, because between θ = pi and θ = 2pi we are in the negative y-axis, so in this region we have two small bumps that connect in the point (0, 0)

This is a kinda "heart" shape.

3 0

4 years ago

If you distribute a negative factor, should you flip the inequality symbol? And why be specific

Alchen [17]

You flip is when you mulitply the whole equation by a negative
not when you distribute a negative
if yo had
-3(x+4)>x
you wouldn't flip the negative symbol when distributing then -3

but if you had
-3(x+4)>-x
you would eventually have to multiply by -1 to make +1x

because they will be differente
exaple

12>3 is true
if yo multiply negative
-12>-3 is fale
-12<-3 is true

anothe rexample with placeholders
x<x+2
mulitply -1
-x>-x-2
false
-x<-x-2
true
that is why we flop the inequality symbole

6 0

4 years ago

I know that: the first term of the sequence is -2, and the fifth term is - 1/8 . What is the 2nd term, 3rd term 4th term do you

Murljashka [212]

Solution

Here the first term = -2

5th term = -1/8

Now we have to find the common ratio (r)

Fifth term A5 = -1/8

-1/8 = $a_{1} r^{4}$