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3 years ago

What are the factors in 20x-11x+3 ?

Mathematics

2 answers:

sergiy2304 [10]3 years ago

8 0

The factor(s) of this problem is→ 3(3x + 1)

sergey [27]3 years ago

7 0

There are no factors , the answer would essentially be prime. since there are no numbers that add up to -11 and multiply to be positive 3.

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Please help with this question!! I need serious help!!

asambeis [7]

Answer:

<h2>The circumference is multipled by 4.</h2>

Step-by-step explanation:

The formula of an area of a circle"

$A=\pi r^2$

The formula of a circumference of a circle:

$C=2\pi r$

The area multipled by 16:

$16A=16\pi r^2\\\\16A=\pi(4^2r^2)\\\\16A=\pi(4r)^2$

The radius has increased fourfold, therefore:

$C'=2\pi(4r)=4(2\pi r)=4C$

The circumference is multipled by 4.

You can calculate the area and check the circumference:

$r=11.6\ in\\\\A=\pi(11.6)^2=132.56\pi\\\\16A=(16)(134.56\pi)=2152.96\pi\ in^2$

Calculate the radius:

$\pi r^2=2152.96\pi$ <em>divide both sides by π</em>

$r^2=2152.96\to r=\sqrt{2152.96}\\\\r=46.4\ in$

Calculate the circumference of both circles:

$r=11.6\ in\\\\C=2\pi(11.6)=23.2\pi\ in$

$r=46.4\ in\\\\C'=2\pi(46.4)=92.8\pi\ in$

$\dfrac{C'}{C}=\dfrac{92.8\pi}{23.2\pi}=4\to C'=4C$

5 0

3 years ago

Ben has 12 models cars in his room. These cars represent 1/2 of the model car in Ben's wholecollection. How many model car ben h

Maksim231197 [3]

Answer:

Step-by-step explanation:

if 12 cars are half of his collection, his entire collection is 12(2) which equals 24

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3 years ago

help ASAP !!!!!!! A recipe calls for 2 cups of flour to make 24 cookies. What is the constant of proportionality that relates th

zavuch27 [327]

Answer:

1 cup of flour per 12 cookies

Step-by-step explanation:

2x=24y

divide by 2 on both sides

x=12y

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3 years ago

Read 2 more answers

Please please help me!!!!!

Tamiku [17]

Your just multiplying 7 and 10, so your answer is gonna be B.

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