Do the ratios 19/8 and 5/4 form a proportion?

Answers

Answer 1
Answer: No, they do not form a proportion

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Explanation:

Your teacher is effectively asking "are the fractions 19/8 and 5/4 equal?"

Let's assume for now that they are. So we have 19/8 = 5/4

To check if that is a true equation, let's cross multiply

19/8 = 5/4

19*4 = 8*5

76 = 40

The last equation is not true, so the first equation is also not true. The ratios are not in proportion.

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Alternative method:

Instead of cross multiplying, we can get all the fractions to have the same denominator. The LCD (lowest common denominator) of the two given fractions is 8. Let's turn 5/4 into a fraction with 8 in the denominator.

We'll multiply top and bottom by 2 to get 5/4 turning into 10/8

Now we're asking "are 19/8 and 10/8 the same?" in which the answer is "no they are not the same". The numerators 19 and 10 are different. The fraction 19/8 is larger than 10/8. So 19/8 is larger than 5/4.

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2nd Alternative method:

Use your calculator to see that

19/8 = 2.375

5/4 = 1.25

The decimal values should be the same if the fractions were equal, but they are not. This is a very quick way to compare two fractions.

Answer 2

Answer:

no

Step-by-step explanation:

because they are not equivalent to each other.


Related Questions

In 1977 the average family earned £3300 a year and spent 18% of their earnings on a summer holiday. How much did the average family spend on their summer holiday?

Answers

Equation is;

[tex]3300.\frac{18}{100}[/tex]

33.18=594 paund :)

True or false? (-x)^4 = -x^4 Explain your answer.

Answers

Answer:

true, theres nothing inside the parenthesis meaning that you remove it as a first step

Step-by-step explanation:

Ugh has to be true because because

Point T is on line segment \overline{SU} SU . Given TU=4x+1,TU=4x+1, SU=8,SU=8, and ST=3x,ST=3x, determine the numerical length of \overline{TU}. TU .

Answers

Answer:

5

Step-by-step explanation:

If point T is on the line SU, then ST+TU = SU. Given  TU=4x+1, SU=8, and ST=3x

Substituting the given values into the expression ST+TU = SU

8 = 3x+4x+1

8 = 7x+1

collect like terms;

7x = 8-1

7x = 7

Divide through by 7

7x/7 = 7/7

x = 1

Substitute x = 1 into the expression TU = 4x+1 to get the length of TU

TU = 4(1)+1

TU = 4+1

TU = 5

Hence the length of TU is 5

Answer:

Step-by-step explanation: the answer is 5

Write an equation in slope-intercept form for the line with slope -8 and y -intercept 9.

Answers

Answer:  y = -8x + 9

Step-by-step explanation:

The slope intercept form formula says that y=mx +b  where m is the slope and b is the y-intercept so input  the value for m and b to write the equation.

I NEED HELP EXPLAINING HOW I GOT MY ANSWERS ILL GIVE AS MANY POINTS POSSIBLE

Answers

Answer:

Step-by-step explanation:

Convert 15°C to °F (to the nearest tenth).

Answers

The answer is 60 Fahrenheit

15°c = 59°f

because :

(15 °C × 9/5) + 32 = 59 °F

===

so to the nearest tenth its doing 60°f

(GIVING BRISTLIEST) What is 50x+100x-50y?

Answers

Answer:

[tex]50(3x-y)[/tex]

Step-by-step explanation:

You just gave an expression, therefore:

[tex]50x+100x-50y[/tex]

[tex]150x-50y[/tex]

[tex]50(3x-y)[/tex]

[tex]\framebox{\parbox[t][1.0cm]{4.50cm}{\addvspace{0.2cm} \centering $ \;\; \, \;\; \;\; 150x+-50y $ } }\\[/tex]

Step-by-step explanation:

Let's simplify.

[tex]50x+100x-50y[/tex]

To solve this, we will have to combine the like terms.

[tex]50x+100x+-50y[/tex]

Let's add parenthesis.

[tex](50x+100x)+(-50y)[/tex]

This equals:

[tex]150x+-50y[/tex]

Hope this helps!

Point J is on line segment IK. Given IK = 15 and JK = 6, determine the
length IJ.

Answers

Answer:

[tex]\huge\boxed{IJ = 9}[/tex]

Step-by-step explanation:

Given that J is on line segment IK.

So, it is like:

I______?_______J___6___K

|<--------------------15---------------->|

We know that:

IK = IJ + JK

Where IK = 15 and JK = 6

15 = IJ + 6

Subtracting 6 to both sides

IJ = 15 - 6

IJ = 9

Which has the lowest unit price ?

Answers

Answer:dd

Step-by-step explanation:d

Answer:

The answer is $0.33 for 11 oz

Step-by-step explanation:

All you have to do is divide the oz by the price and A is the lowest.

The measure of an angle is 19º. What is the measure of its complementary angle?

Answers

Answer:

71º

Step-by-step explanation:

since it is a complementary angle equal 90 degrees total

so 90° - 19 = 71

if x = 54 and y = 126, calculate the value of x / √y in its simplest form

Answers

Answer:

18/root(14)

Step-by-step explanation:

x=54

y=126

x/root(y)

54/root(126)

54/root(3x3x14)

54/3(root(14))

18/root(14)

Simplify the expression
3-5(2x-5)

Answers

Answer:

-10x + 28

Step-by-step explanation:

Step 1: Write expression

3 - 5(2x - 5)

Step 2: Distribute -5

3 - 10x + 25

Step 3: Combine like terms

-10x + 28

Answer:

= -10x+28

Step-by-step explanation:

how much dose the least expensive 50 present of trail mix cost? what is the least of 4 pounde of trail mix can cost

Answers

does* what is this question it’s 15$

The box-whisker plot is missing. Check the attachment for the data.

The least expensive 50% of trail mix costs between $1.25 and $2.75 per pound, as these, depict the minimum point and the median (50% of data), of the given box-whisker plot.

The least 4 pounds of trail mix can cost $6.00, at the minimum rate shown in the box-whisker plot by its starting point of $1.25 per pound.

What is a box-whisker plot?

A box-whisker plot is a diagrammatic representation of data. The whiskers start from the minimum data and go up to the maximum. In between the whiskers is a box that starts from the first quartile of the data (below which 25% of the data lies) and goes up to the third quartile (below which 75% of the data lies). In between the box is a line, that indicates the median of the data. The median is the value of the middlemost data.

How to solve the given question?

In the question, we are given a box-whisker plot, showing the different costs of trail mix at different prices per pound.

1. We are asked how much the least expensive 50% of trail mix costs.

We know that 50% of data is depicted at the median which is the line in between the box in a box-whisker plot. So the least expensive 50% is shown before the line.

The minimum point in the data is $1.25 and the median is $2.75.

Hence, the least expensive 50% of trail mix costs between $1.25 and $2.75 per pound, as these depict the minimum point and the median (50% of data), of the given box-whisker plot.

2. We are asked to find the least cost of 4 pounds of the trail mix.

We know that the starting point of the whisker shows the minimum point in the data. Hence, the least cost of the trail mix is $1.25 per pound.

So, the cost of 4 pounds is $1.25 * 4 = $6.00.

Hence, the least 4 pounds of trail mix can cost $6.00, at the minimum rate shown in the box-whisker plot by its starting point of $1.25 per pound.

Learn more about the box-whisker plots at

https://brainly.com/question/15841848

#SPJ2

HELP NEEDED IMMEDIATELY

Answers

Answer:

Step-by-step explanation:

B:Convert the fractional part only then add it to the whole number.

C :  9 1/2,3π,92/5,91/10

B : √26,5.5,5.8,31/5

B: -7,20/3, 7.1 ,√51 , 6π

C: -π , -√5 , -3/2,-1.03

I NEED HELP PLEASE PLEASE HELP ME :(

Answers

Answer:

-1/125

Step-by-step explanation:

1/(-5)^3

evaluate

1/-125

The temperature was -1 °F, 5 °F, 8 °F, and 6 °F. What was the average temperature?

Answers

4.5 °F is the average temperature

Answer:

4.5

Explanation:

add up all the numbers and divide by the amount

1. Runners in the Peachtree Road Race line up for 1 mile to start the race. If each person needs 2.5
square feet of space, approximately how many people are there if the road is 60 feet wide?

Answers

Answer:

SteYou choose!  Maybe you always wanted to do a marathon!  Now you can do it over the 15 days of the virtual race...at your own speed!

1M, 5K, 10K, half marathon or marathon options

Solve for p in the Ilteral equation 3p + 4r = q.

solve for p

Answers

Answer:

p = [tex]\frac{q}{3} - \frac{4r}{3}[/tex]

Step-by-step explanation:

Dao receives an employee discount on the purchase of a new automobile. The automobile that he is interested in has a sticker price of $18,560. If his discount is 18 percent, what is the price that Dao will pay?
$3,340.80
$3,712.00
$12,992.00
$15,219.20

Answers

Answer:

D. $15,219.20

Step-by-step explanation:

given:

The automobile that he is interested in has a sticker price of $18,560.

If his discount is 18 percent,

find:

what is the price that Dao will pay?

solution:

sale price =   $18,560 - (0.18 x  $18,560) =  $15,219.20

therefore,

Dao will pay $15,219.20

the answer is D.

im taking the test right now..

What is the square root of 4?

Answers

Answer:

The square root of 4 is 2

Step-by-step explanation: If you multiply 2*2 it will equal and divide 4/2 you will get 2 so it is 2

A sporting goods sold 2.5 times as many football as basketball last year drag footballs to represent the number of football sold for every 2 basketball sold.

Answers

Answer:

5 footballs were sold for every 2 basketballs sold.

Step-by-step explanation:

2.5 times as many football as basketball was sold last year

This can be represented as

1 basket ball sold = 2.5 footballs sold

for every 2 basketball sold, number of football sold = 2.5 x 2 = 5 footballs

[Giving Brainleist] What is 4x+2?

Answers

Answer:

4x + 2 = 0

4x = -2

x = -1/2

if you need it simplified it already is

The temperature at noon at a ski resort is 3 degrees F. The temperature drops 8 degrees F by midnight. What is the temperature at midnight?

Answers

Answer:

-5 degrees F

Step-by-step explanation:

Well if the original tempeture was 3 and it drops by 8 you would add 3+8 which is 11

A ramp is 35 ft long rises to a platform. The bottom is 15 ft from the foot of the ramp. Find x, the angle of elevation of the ramp. Round your answer to the nearest tenth of a degree.

Answers

Answer:

The angle of elevation of the ramp is 64.60°

Step-by-step explanation:

Given;

length of the ramp, L = 35 ft

distance of the platform to the foot of the ramp, d = 15 ft

The length of the ramp forms the hypotenuse side of this right angled triangle;

The angle of elevation of the ramp is in angle between the hypotenuse and adjacent side of the triangle.

Cos x =  adjacent / hypotenuse

Cos x = 15 / 35

Cos x = 0.4286

x = Cos⁻¹ (0.4286)

x = 64.62

x = 64.60°

Therefore, the angle of elevation of the ramp is 64.60°

3x+⅝>4x-½ select from the drop down menus to correctly justify each step.​

Answers

Step-by-step explanation:

3x-4x>-1/2-5/8

-x>-9/8

x<9/8

In what ways are driverless cars safer than human drivers?

Answers

Answer:

Driverless cars may be safer than cars with drivers because they do not get tired or distracted, and they do not engage in risky driving practices such as speeding and/or texting while driving, drinking and driving, etc..

Step-by-step explanation:

Edg. 2020

Answer:Driverless cars may be safer than cars with drivers because they do not get tired or distracted, and they do not engage in risky driving practices such as speeding and/or texting while driving, drinking and driving, etc..

Step-by-step explanation:


help please! which point on the number line below bests represents this?

Answers

Answer:

Point M

Step-by-step explanation:

(– 2y2 + 6y – 1) - (- 4y2 – 3y +9)

Answers

Answer:

Step-by-step explanation:

-2y^2 + 6y - 1 + 4y^2 + 3y - 9

2y^2 + 9y - 10

You cross multiply them. With cross multiplying your answer would be -6y^2+9y-10

Please solve this question and show your work! Thank you!

Answers

Answer:

[tex]u<-1\text{ or } u>2[/tex]

Step-by-step explanation:

So we have the equation:

[tex]-3|2-4u|+5<-13[/tex]

First, subtract -5 from both sides:

[tex]-3|2-4u|<-18[/tex]

Divide both sides by -3. Since we are dividing by a negative, we will flip the sign:

[tex]|2-4u|>6[/tex]

Definition of absolute value:

[tex]2-4u>6\text{ or } 2-4u<-6[/tex]

Note that we flip the sign on the right because we multiplied 6 by a negative.

On both the left and right, subtract 2:

[tex]-4u>4\text{ or } -4u<-8[/tex]

Divide both equations by -4. Since we're dividing by a negative, flip the signs:

[tex]u<-1\text{ or } u>2[/tex]

So, our final solution is:

[tex]u<-1\text{ or } u>2[/tex]

And we're done!

solve for h in h+6/5=2

Answers

Answer:

h=4/5

Step-by-step explanation:

[tex]h + \frac{6}{5} = 2 [/tex]

Collect like terms and simplify

[tex]h = 2 - \frac{6}{5} \\ h = \frac{4}{5} [/tex]

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