Help! The options are: proportional , not proportional

Help! The Options Are: Proportional , Not Proportional

Answers

Answer 1

Answer:  Not proportional

=======================================================

Explanation:

Let's assume the two fractions are equal.

If so, then,

[tex]\frac{0.2}{2.6} = \frac{0.3}{3.6}\\\\0.2*3.6 = 2.6*0.3\\\\0.72 = 0.78[/tex]

The last equation is false, so the first equation is false.

Therefore, the two ratios are not proportional.

-------------

Another approach:

Calculate the decimal value of each fraction

[tex]\frac{0.2}{2.6} \approx 0.07692\\\\\frac{0.3}{3.6} \approx 0.08333\\\\[/tex]

The two ratios result in different decimal values, so the two ratios are not equal, aka not proportional.

Answer 2
The answer is Not proportional

Related Questions

Choose the scenario that could be represented by 3/10.
a.) A ten-hour train trip is divided into three equal parts.
b.) Three friends share ten dollars equally.
c.) Ten people share three pizzas equally.
d.) A ten-foot piece of rope is cut into three equal pieces.

Answers

Answer:

c

Step-by-step explanation:

well 1/3 = 3.3333333/10

so it would be something that is 3 of ten parts.

ill start with d ten-foot rope is cut into three equal pieces thus one piece being a little more than 3 tenths. now c ten people share thee pizzas equally 3 divided by 10 = 3/10 so c is the answer.

The option {c} - Ten people share three pizzas equally, correctly represents the fraction 3/10.

What are fractions?

Fractions represent the parts of a whole or collection of objects. Fractions are classified on the following basis:

On the basis of the numerator and the denominator, they are categorized as proper fractions, improper fractions, mixed fractions.On the basis of groups they are categorized as like fractions, unlike fractions and equivalent fractions.

Given is a fraction as 3/10.

The situation that correctly represents the fraction 3/10 is -

Ten people share three pizzas equally

Therefore, the option {c} correctly represents the fraction 3/10 correctly.

To solve more questions on fractions, visit the link below -

https://brainly.com/question/8520205

#SPJ2

what tools did the greeks use in geomatric constructions

Answers

Answer:

straightedge and compass

Step-by-step explanation:

Answer:

compass or a straightedge.

Step-by-step explanation:

I think


John's patio is 5 feet long
and has an area of 1.30
square feet
How wide is the patio?

Answers

Step-by-step explanation:

so, I assume the patio is a true rectangle.

the area of a rectangle is

length × width

in our case that means

1.3 = 5 × width

width = 1.3 / 5 = 0.26 ft

so, this is just a very narrow strip of 0.26ft × 5 ft.

I would not call that a patio ...

or was it a typo, and the area is actually 30 ft² ?

then we would have

30 = 5 × width

width = 30 / 5 = 6 ft

Rounded to the nearest tenth, approximately how many kilometers is 4,170,000 inches?

A.
10.6 kilometers
B.
16.4 kilometers
C.
106 kilometers
D.
164.2 kilometers

Answers

Answer:

A-10.6 Kilometers

Step-by-step explanation:

1 kilometer =39370.079 inches

One step equations integers

8y = 48

Answers

Answer:

y=6

Step-by-step explanation:

divide both sides by 8: 8y/8=48/8

y=6.

Answer:

The answer is 6

Step-by-step explanation:

8y=48

y=48÷8

y=6

Could use some help. Need an example or answer

Answers

Answer:

[tex]a_5[/tex] = 405

Step-by-step explanation:

Substitute value of a1 into equation to find a2.  Then found value of a2 to find a3 and so on.  Please refer to attached workings for full step-by-step.

Which function has the largest rate of change?
O y= 22
x
у
1
6.
3
12
4
15
5
18
Oy=-3X
O
x
y
0
3
1
2.5
2
2
3
1.5
Calculator

Answers

Answer:

its to close  I can't answer!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Step-by-step explanation:

Solve for the missing side in the right triangle.
A) 5
B) 12
C) 13
D) 17

Answers

Answer:

c) 13

Step-by-step explanation:

[tex] {a}^{2} + {b}^{2} = {c}^{2} \\ {5}^{2} + {12}^{2} = {c}^{2} \\ 25 + 144 = {c}^{2} \\ 169 = {c}^{2} \\ c = 13[/tex]

Answer:

C) 13

Step-by-step explanation:

Using the formula: [tex]a^{2} +b^{2}=c^{2}[/tex], we can plug in 5 into a and 12 into b, since c is always the hypotenuse. Plug those numbers into the formula: [tex]5^{2} + 12^{2} =c^{2}[/tex] and you get 25 + 144 = [tex]c^{2}[/tex] or 169 = [tex]c^{2}[/tex]. You can then get rid of the square on the c by finding the square root of both sides. So, the square root of 169 would give you the answer of 13.

1/2b + 5 for b=14 HELP PLS IM GETTING AN MIND GRAIN!1!!

Answers

1/2(14)+5
7+5
12 so the answer is 12

Find the surface area of this cuboid.
3 cm
5 cm
2 cm

Answers

Answer:

62 cm²

Step-by-step explanation:

the sides are 3×5, 3×2, and 2×5, and there are two of each. 3×5 is 15, 3×2 is 6, and 2×5 is 10.

we need to find 15×2, which is 30, 6×2, which is 12, and 10×2 which is 20. then we need to add all of these together, which is 62

Tom paid $1,453.03 for a new refridgerator, including $123.03 tax. What was the price of the refridgerator?

Answers

Answer: 1330

Step-by-step explanation:

Just subtract the tax from the price...

what's 20/10x50+600-700x69

Answers

Answer:

-47600

Step-by-step explanation:

Answer:

-47,600

Step-by-step explanation:


) Three sides of a quadrilateral are the same length, q. The length of the fourth side is 7 inches.
The perimeter of the quadrilateral is 40 inches.
.) Write an equation that represents
the situation.
Write an equation that represents the situation


Answers

Answer:

q=(40-7)/3 or simplified q=11

Step-by-step explanation:

So we know that the perimeter is 40 inches and one of the sides is 7 so logically we do 40-7 to get the length of the three remaining sides combined. Then to find the length q, we have to divide that answer by 3 because the three sides have the same length or (40-7)/3, which simplified is 11, so the length of the side is 11 inches and the expression is q=(40-7)/3.

A bag contains nine yellow marbles and nine red marbles. You randomly select two marbles from the bag. What is the probability that both marbles are yellow when you do not replace each marble before selecting the next marble? Write your answer as a decimal rounded to the nearest thousandth.

The probability that both marbles are yellow is about

Answers

Answer:   0.235

======================================================

Explanation:

9 yellow

9 red

9+9 = 18 total

If you select a marble at random, the chances of it being yellow are 9/18.

If you selected another marble at random, without replacing the first marble, then 8/17 is the probability of getting another yellow marble. I subtracted 1 from the numerator and denominator of 9/18 to go to 8/17.

We multiply the two results

(9/18)*(8/17) = 0.235 approximately

There's roughly a 23.5% chance of getting two yellow in a row, where we don't replace the first marble selected.

You make $443 per week, and have claimed five exemptions. How much money will be withheld from you in a year? For weekly gross income between 440 to 450 and claiming 5 exemptions, 46 dollars will be withheld each week.
a. $2,392
b. $2,288
c. $2,756
d. $2,858
Please select the best answer from the choices provided A B C D

Answers

Answer:
It's A.
Step-by-step explanation:
I took the test

Answer:

A

Step-by-step explanation:

(Please Help, will mark brainliest!)
What is the equation of this line in slope-intercept form?
A) y=-1/4x-2
B) y=1/4x-2
C) y = 4x-2
D) don't know​

Answers

Answer:

y = -1/4x - 2

Step-by-step explanation:

Slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.

To solve for b, use x = 0:

y = m(0) + b

y = b

y = -2, so b = -2

To solve for m, remember that slope is Δy/Δx.

m = Δy/Δx

Given the two points, (0, -2) and (4, -3), we input them to find the slope:

m = [-3 - (-2)]/(4 - 0)

m = -1/4

Therefore, y = -1/4x - 2.

Use the Echelon Method: Solve x + 3y = 1
2x - 5y = 13

Answers

Answer:

x= 4, y= -1

Step-by-step explanation:

-2(x +3y= 1)

-2x-6y=-2

2x -5y= 13

-11y= 11

y= -1

2x -5(-1)= 13

2x +5= 13

2x= 8

x= 4

1. At a coffee shop, a 16 ounce bag of coffee is on
sale at $5.25 less than the regular price. The cost
of 4 bags of coffee at regular price is the same as
the cost of 6 bags of coffee at sale price. Letr be
the regular price of coffee and s be the sale price
of coffee. Which of the following systems of
equations can be used to find the values of
variables r and s?

Answers

Answer:

s = r - 5.25

4r = 6s

Step-by-step explanation:

s = the sale price of the coffee

r = the regular price of the coffee
s = r -5.25 : sale price of the coffee equal the regular price minus 5.25 (on sale)

4r = 6s : 4 bags of regular coffee equals 6 bags at sale price

What is the total area of a quadrilateral

Answers

Answer:

A = (1/2) × Diagonal × (Sum of heights).

Step-by-step explanation:

Please mark me brainliest

Please help with question 10

Answers

Answer:

equation of the line is y=x+1

Step-by-step explanation:

the equation of a line has the form y = mx + b

while m is for the slope and b is for the y-intercept.

you can see from the graph that the line intercepts the y-axis at y=1 this is the b.

you can get the slope of the graph by taking two points from the graph lets say (1, 2) and (3, 4) then using this formula:

[tex]m = \frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

in our case it will be:

[tex]m=\frac{4-2}{3-1} = \frac{2}{2}=1[/tex]

then just substitute the values for m and b.

Tim and Tom are trying to earn money to buy a new game system over a 3-month period. Tim saved $45.43 each month. If they need a total of $213.87 to buy the game system, how much does Tom need to earn each of the 3 months in order to buy the game system?



A. $77.58

B. $136.29

C. $25.86

D. $168.44


please help! !!
I think it's D but I'm not sure..

Answers

Answer:

C. $25.86 is the correct answer.

Step-by-step explanation:

$213.87/3 should be collected every month to buy the game system which cost 213.87 which would be $71.29.

Now,

Tom need to earn each month = $71.29 - $45.43

So, Tom need to earn $25.86 each of 3 months.

the sum of a rational number 3/7 is

Answers

Answer:

3/7 + 7/3 = 58/21= 2.762

Step-by-step explanation:

khan academy (8th grade math)

Answers

Answer:

-89

Step-by-step explanation:

10(-7) - 19
-70 - 19 = -89

Franciso makes 4 identical bags of trail mix. Each bag has 2 1/2 ounces of peanuts and an equal weight of raisins. He uses 16 ounces altogether. Determine how many ounces of raisins are in one bag.​

Answers

48 divided by 3 = 16
16 ounces of trail mix altogether in one bag.
There were only 5 ounces of raisins so 16 - 5 = 11. There are 11 ounces of almonds in each bag of trail mix.

PLEASE HELP
What is the volume of this sphere?​

Answers

Answer:

113.1 (113.09734)

Step-by-step explanation:

The equation for the volume of a sphere:

[tex]v = \frac{4}{3} \pi r^{3}[/tex]

v for volume; r for radius

if r (radius) = 3

then

v = 4/3 x pi x 3^3

v = 113.09734

v =(about) 113.1

help me round 2.382 20 the nearest hundreds

Answers

Answer:

2.38

Step-by-step explanation:

The hundredth decimal point is always the second number after the decimal point. since the number next to 8 is a number less than 5, the number doesn't get rounded up and stays as 2.38. I hope this helps!

Answer:

2.38

Step-by-step explanation:

This is how to round 2.382 to the nearest hundredth.

First, note that 2.382 has two parts. The integer part to the left of the decimal point and the fractional part to the right of the decimal point:

Integer Part: 2

Fractional Part: 382

To round 2.382 to the nearest hundredth means to round the numbers so you only have two digits in the fractional part.

We use the following rules to round 2.382 to the nearest hundredth:

A) If the last digit in the fractional part of 2.382 is less than 5, then simply remove the last digit of the fractional part.

B) If the last digit in the fractional part of 2.382 is 5 or more and the second digit in the fractional part is less than 9, then add 1 to the second digit of the fractional part and remove the third digit.

C) If the last digit in the fractional part of 2.382 is 5 or more and the second digit in the fractional part is 9, and the first digit in the fractional part is less than 9, then add 1 to the first digit in fractional part and make the second digit in fractional part 0. Then remove the third digit.

D) If the last digit in the fractional part of 2.382 is 5 or more and the second digit in the fractional part is 9, and the first digit in the fractional part is 9, then add 1 to the integer part and make the fractional part 00.

With 2.382, rule A applies and 2.382 rounded to the nearest hundredth is:

2.38

12 + 2 − 4 = ?(2 +? )

fill in the blank

Answers

Answer:

12 + 2 - 4 = 10(2+8)

The lowest temperature on record in the United States is −79.8°F. It was observed at Prospect Creek Camp in the Endicott Mountains of northern Alaska in 1971. What is this temperature in Celsius?
a−62.1°
b−111.8°
c−111.6°
d−47.8°
e−44.3°

Answers

Answer:

D

Step-by-step explanation:

Negative numbers are less than zero.

is 2.4, 4.5 and 5.2 a right triangle?

Answers

Answer:

No

Step-by-step explanation:

Use the pythagorian theorm to find whether it's a right triangle or not.

So the hyp will be the largest number. And the hyp must be equal to the sum of b and c squared

5.2 squared= 2.4 squared+ 4m5 squared

27.04= 26.01

It's not equal so the triangle isn't a right triangle.

What number is 5he same ratio to 64 as 5 is to 8

Answers

Answer:

Answer is 24 and 40.

Step-by-step explanation:

I'm not quite sure if i'm wrong i'm terribly sorry :(

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