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3 years ago

Is this a proportional relationship ?

Mathematics

1 answer:

BARSIC [14]3 years ago

5 0

Yes. I’m pretty sure it is because as the x increases by 1 the y decreases by 10

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Solve each equation 2n-5=21

aleksklad [387]

2n-5=21
add 5 to both sides
2n=26
divide both sides by 2
n=13

I hope I helped! :)

4 0

2 years ago

Triangle ABC is translated left 1 units, and dilated by a scale factor of 2.

valina [46]

Answer:

Step-by-step explanation:

( x , y ) ----> ( x - 1 , y ) ------> ( 2(x-1) , 2y ) = <em>( 2x - 2 , 2y )</em>

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2 years ago

What is the measure of 0 ?

MrRissso [65]

Answer:

Option A. 4 radians

Step-by-step explanation:

step 1

Find the circumference of the circle

The circumference is equal to

$C=2\pi r$

we have

$r=5\ cm$

substitute

$C=2\pi (5)$

$C=10\pi\ cm$

step 2

Find the measure of angle $\theta$

we know that

The circumference of the circle subtends a central angle of 2π radians

using proportion

Find out the central angle by an arc length of 20 cm

$\frac{10\pi}{2\pi}=\frac{20}{x}\\\\x=2\pi (20)/10\pi\\\\x=4\ radians$

4 0

3 years ago

Which of the following inequalities are correct?

Schach [20]

Answer:

Only C is correct

Step-by-step explanation:

59 is bigger than -59 not smaller so A is incorrect

0 is smaller than 76 not bigger do B is also incorrect

-76 is smaller than -59 according to number line so option C is correct

4 0

2 years ago

Read 2 more answers

2,-10,50,-250, Geometric sequence

DanielleElmas [232]

Answer:

Step-by-step explanation:

t2/t1=r

-10/2=-5

2*-5=-10

5 0

2 years ago

Read 2 more answers

Is this a proportional relationship ?​

Is this a proportional relationship ?