How can you show that two objects are proportional with an equation

Answers

Answer 1

Answer: You can show that (y) is proportional to (x) by writing:

This would mean that:

Whereby (k) would be the constant of proportionality.

This value can be an element of a real number.

k∈R

What are real numbers?

Integers, rational numbers and irrational numbers.

Example of a graph which would show that 2 objects are proportional:

y=2x

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Which relations are functions?Choose all answers that are correct.

A.
A curve that increases from left to right is plotted on a coordinate grid. The curve goes through point negative 2, negative 3, point negative 1, negative 1, point 0, 0, point 1, 1, and point 2, 3.

B.
x −2 0 3 5
y 1 3 2 3

C.
A set of points are plotted on a coordinate grid. The points include point 5, 4, point 4, 1, point 3, 5, point 3, negative 2, point 2, 2, point 1, 0, and point negative 1, 3.

D.
{(−3, 5), (−1, 3), (2, 2), (2, 6)}

Answers

B) Is correct and
as-well is A.
B had no repeated values and A has none as-well.
And for A the curve increases without a repeated value (as drawn in the picture)
For D 2 was repeated.
and for C, 3 was repeated.

What's 2/4 x 1/3? And pls provide work on how u got the answer.

Answers

just multiply the top number by the top number and the bottom numbers by the bottom numbers so

2/4 times 1/3=(2 times 1)/(4 times 3)=2/12

so to simplify, we find the ones exg 4/8=1/2 because 1/2 times 4/4=4/8 and 4/4 cancels out so

2/12=2/2 times 1/6
=1/6

$(2)/(4)=(2:2)/(4:2)=(1)/(2)\n\n(2)/(4)*(1)/(3)=(1)/(2)*(1)/(3)=(1*1)/(2*3)=\boxed{(1)/(6)}$

Divide 4 200 by a multiple of 10 so that the quotient is also a multiple of 10

Answers

The possible divisors are 10, 20 and 30, the possible quotients are 420, 210 and 140.

What is the division?

The division is one of the basic arithmetic operations in math in which a larger number is broken down into smaller groups having the same number of items.

Here, divide 4200 by a multiple of 10 so that the quotient is also a multiple of 10.

Here, 4200/10 =420

4200/20 = 210

4200/30=140

Therefore, the possible divisors are 10, 20 and 30, the possible quotients are 420, 210 and 140.

To learn more about the division visit:

brainly.com/question/1575906.

#SPJ2

4,200 times 10 is 42,000

How to solve 0.5(5-7x)=8-(4x+6)

Answers

$\frac { 1 }{ 2 } \left( 5-7x \right) =8-\left( 4x+6 \right) \n \n \frac { 1 }{ 2 } \left( 5-7x \right) =8-4x-6$

$\n \n \frac { 1 }{ 2 } \left( 5-7x \right) =2-4x\n \n \frac { 1 }{ 2 } \left( 5-7x \right) =2\left( 1-2x \right) \n \n 2\cdot \frac { 1 }{ 2 } \left( 5-7x \right) =2\cdot 2\left( 1-2x \right)$

$\n \n 5-7x=4\left( 1-2x \right) \n \n 5-7x=4-8x\n \n -7x+8x=4-5\n \n x=-1$

Hey! Just answering so the other guy can have brainiest! Hope this helped!

The thickness of a cd is about 1/20thsinch. If carrie has a stack of 52 CD's what is the height of the stack?