Porportionality math

Porportionality Math

Answers

Answer 1

Step-by-step explanation:

Second option is the answer


Related Questions

Write the mixed number 8 4/5 as an improper fraction.

Answers

the answer is 44 over five

The mixed number can be written as an improper fraction of 44/5 after simplifying the answer is 44/5.

What is a fraction?

Fraction number consists of two parts, one is the top of the fraction number which is called the numerator and the second is the bottom of the fraction number which is called the denominator.

It is given that:

The mixed number is 8  4/5

To write the mixed number as an improper fraction:

= 8 + 4/5

Take LCM as 5

LCM can be defined as the common number of two integers, which is the lowest number that is a multiple of two or more numbers. The full name of LCM is the least common multiple.

= (8x5 + 4)/5

= (40 + 4)/5

= 44/5

Thus, the mixed number can be written as an improper fraction of 44/5 after simplifying the answer is 44/5.

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Which line is perpendicular to the line shown on the graph Map testing

Answers

Answer:

Step-by-step explanation:

Since the graph with the line isn't provided, I can only tell/show you how to find the perpendicular line.

When two lines a perpendicular, they can have different y-intercepts. But the slope of line will change to it's reciprocal.

So if you have a line that is y = 2x + 7 the perpendicular line would be,

y = -1/2 x + 7

what is -3 divied - 1/4th

Answers

Answer:

12

Step-by-step explanation:

use keep change flip

keep -3 change the division sign to multiplication sign then flip -1/4 to -4/1

(-3)(-4)=12

pls mark as brainliest, thank u have a great day.

Is 1/10 less than or greater than .09

Answers

Answer: greater than

Step-by-step explanation:

0.1>0.09

Answer:

It is greater

Step-by-step explanation:

1/10 is equivalent to 0.1


As an estimation we are told 5 miles is 8 km.
Convert 52 km to miles.
miles

Answers

Answer:

32.3113

Step-by-step explanation:

. 9 gallons of gasoline cost $18.90. What is the price per gallon?

Answers

Answer:

2.1

Step-by-step explanation:

18.90 divided by 9=2.1

A box of chocolates contains 18 chocolate squares. Ten of the squares are milk chocolate, 5 are dark chocolate, and 3 are white chocolate. If Christina randomly chooses a chocolate out of the box, what is the probability of her choosing a white chocolate square (fractions)

Answers

Answer:

try 3/26

Step-by-step explanation:

???? ( whoever can answer this will get mark brainliest)

Answers

Answer:

She will need 2 cans of paint

Step-by-step explanation:

Each wall is 9m2 and needs 2 coats, with 2 walls there is a total of 36m2 of wall to paint. That is greater than 32.5m2 but not greater than 65m2 so she needs 2 cans.

What Is The Slope Of The Line Passing Through (-3, 5) and (5, -3)?

A. Slope = -1
B. Slope = 0
C. Slope = 1
D. No Slope​

Answers

Answer:

Answer choice A. Slope -1

Step-by-step explanation:

If we plot the two points on a graph we can see that the points go from left to right, starting from a higher point to a lower point. This means the slope is negative. B and D are the same choice, but just in different words, and 0 cannot be positive or negative. and C is positive, not negative. So it is A. I hope this helps, and I hope it's not wrong, but I don't think it is.

Norm spent $59 on games he paid a total interest fee of $8. and $3 per game he played. how many games did he play

Answers

He played about 17 games

Subtract the intrest fee from the Total (59-8) which gives us 51 and then divide 51 by 3 which gives us 16.666667 and u round that to the nearest whole which is 17 :)

Which expression is equivalent to RootIndex 3 StartRoot StartFraction 75 a Superscript 7 Baseline b Superscript 4 Baseline Over 40 a Superscript 13 Baseline c Superscript 9 Baseline EndFraction EndRoot? Assume a not-equals 0 and c not-equals 0.
StartFraction a cubed b (RootIndex 3 StartRoot 15 b squared EndRoot) Over 2 c cubed EndFraction
StartFraction b (RootIndex 3 StartRoot 15 b EndRoot) Over 2 a squared c cubed EndFraction
StartFraction a cubed b (RootIndex 3 StartRoot 15 b squared EndRoot) Over 6 c cubed EndFraction
StartFraction b (RootIndex 3 StartRoot 15 b EndRoot) Over 2 a c EndFraction

Answers

Answer:

StartFraction b (RootIndex 3 StartRoot 15 b EndRoot) Over 2 a squared c cubed EndFraction

So B.

Step-by-step explanation:

I got it right on the test

What is the approximate volume of a cone with a height of 12 in. and radius of 9 in.?

Use 3.14 to approximate pi, and express your final answer to the nearest hundredth.

Answers

Answer:

1017.88

Step-by-step explanation:

The volume of a cone is V=1/3hπr²

First, we are going to do exponents: what is 9*9? 81. So now our equation is V= 1/3h * 3.14 * 81 (Pi is 3.14, so we filled that in too.)

Now we need to find 1/3 of our height, or 1/3 * 12, which is 4. Our equation is now V= 4 * 3.14 * 81

Solve and you get 1017.88

I hope this helped, please mark Brainliest, thank you!

in 8 months 55.6 gallons are used to find the unit rate
0.695 gallon/month
6.95 gallon/month
9.26 gallons / month
13.9 gallon/month​

Answers

Answer:

6.95 gallon/month

Step-by-step explanation:

you have to divide

a line segment on a coordinate plane has a slope of 1 and the end points at (1,a) and (9,b). Two points on this line segment partition it in a ratio of 1 : 3 and 3 : 1. Which of the following are the x coordinates of these two points


A: 2
B: 3
C: 4
D: 5
E: 6
F: 7
G: 8

Answers

Two points on this line segment partition it in a ratio of 1 : 3 and 3 : 1.

Then, The x coordinates of these two points are 2 and 6

What is a ratio defined?The quantity, amount, or size link between two or more things: proportionRatios are used to compare two numbers by dividing them. If you want to compare one data point (A) to another (B), your formula would be A/B. This signifies that you are dividing data A by data B. If A is five and B is ten, your ratio will be 5/10.A ratio indicates the number of times one number contains another. For example, if a dish of fruit contains eight oranges and six lemons, the orange-to-lemon ratio is eight to six (that is, 8:6, which is equivalent to the ratio 4:3).

a line segment on a coordinate plane has a slope of 1 and the end points at (1,a) and (9,b).

[tex]\frac{b-a}{9-1} =1 \\b-a = 9[/tex]

Two points on this line segment partition it in a ratio of 1 : 3

9 - 1 = 8

8 * 1/4 =2

8*3/4 = 6

The x coordinates of these two points are 2 and 6

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The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours on Monday. The frequency distribution below summarizes the results. Find the sample standard deviation. Round your answer to one decimal place.

Answers

Complete question :

The manager of a bank recorded the amount of time each customer spent

waiting in line during peak business hours one Monday. The frequency distribution below summarizes the results. Find the standard deviation. Round your answer to one decimal place. 0-4 ,4-8,8-12,12-16,16-20,20-24 number 11,15,15,8,0,1

Answer:

4.517

Step-by-step explanation:

Given the data:

______m __ f___fx __f(m - x)²

0-4 __ 2___11__22 __ 385.51

4-8 __ 6___15__90__ 55.29

8-12 _ 10__ 15__150__64.896

12-16_ 14___8__112__295.73

16-20_18__ 0__ 0 ___0

20-24_22__1__ 22 ___198.25

Mean (x) = Σfx / Σf

Mean = (22 + 90 + 150 + 112 + 0 + 22) / (11 + 15 + 15 + 8 + 0 + 1)

= 396 / 50

= 7.92

Standard deviation :

√(385.51 + 55.29 + 64.896 + 295.73 + 0 + 198.25) / 49

√20.40155102041

= 4.517

Admission to a play costs $25. A season pass costs $180. a. Write an inequality that represents the numbers x of plays you must attend for the season to be a better deal.

Answers

Answer:

y=25x+180

Step-by-step explanation:

Which one?
A. B. C. Or D? ​

Answers

Answer:

B - {5, -5}

Step-by-step explanation:

Use the quadratic formula.

I HAVE TO TURN THIS IN 5 MINS, PLEASE HELP ME !!!!!

The question is in the box below next to the blue x

Answers

Answer:

y = -1/3 x + 7

y = -1/3 x + 6

y = -1/3 x + 4

Step-by-step explanation:

All of these are parallel to the line created on the graph

Answer:

y = -1/3 x + 7

y = -1/3 x + 6

y = -1/3 x + 4

(please tell me if I'm wrong or if I missed something)

What is the equation of the line that is parallel to y=2x+2 but passes through the point (1,6)

Answers

Answer:

y=2x+4

Step-by-step explanation:

y=2x+2

Gradient = 2

Gradient of the line passing through point (1,6)

= 2

i.e it is parallel to line y=2x+2.

Equation of the line is given as:

y - 6 = 2(x - 1)

y - 6 = 2x -2

y = 2x -2 + 6

y = 2x + 4

write and solve an equation to find the measure of angle x​

Answers

The two angles are supplementary, so your equation would be x+ 40= 180
Then you’d subtract 40 from both sides to get your answer x=140


GIVING BRAINLIST PLEASE HELP!!

In the figure at the right, if PQ is perpendicular to QR,
then a + b + c + d =?

A) 180°
B) 225°
C) 270°
D) 360°

Answers

Answer is A I believe

The correct answer is 270°

a + b + c + d = 270°

Given,

In the figure at the right, if PQ is perpendicular to QR.

We need to find a + b + c + d.

What is the sum of the angles in a right triangle?

The sum of the angles in a right triangle must be 180 degrees.

We have,

In right-triangle PQR

PQ is perpendicular to QR.

So,

∠PQR = 90 degrees.

∠QPR = ∠QRP = 45 degrees.

We see that,

QS is perpendicular to PR

So,

∠QSP = b = 90 degrees

∠QSR = c = 90 degrees

Now,

From right-triangle QSP and right-triangle QSR.

We have,

QSP = b = 90 degrees

QPS = a = 45 degrees

QSR = c = 90 degrees

QRS = d = 45 degrees

Find a + b + c + d.

= 45 + 90 + 90 + 45

= 270 degrees

Thus the correct answer is 270°

a + b + c + d = 270°

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The volumes of two similar solids are 729 m^3 and 125m^3. The surface area of a larger solid is 324 m^3. What is the surface area of the smaller solid

Answers

Answer:

100 m^2

Step-by-step explanation:

The scale factor of the volume of solids is the cube of the scale factor of linear dimensions.

The scale factor of the area of solids is the square of the scale factor of the linear dimensions.

Volume scale factor:

125/729 = (5/9)^3

Linear scale factor:

5/9

Area scale factor:

(5/9)^2 = 25/81

Proportion to find the area of the smaller one:

Let the area of the smaller one equal x.

25/81 = x/324

81x = 25 * 324

Divide both sides by 81

x = 25 * 4

x = 100

Answer: 100 m^2

1,711,239 rounded to the nearest hundred?

Answers

Answer:

1,711,200

Step-by-step explanation:

A bus traveled on a level road for 3 hours at an average speed 20 miles per hour faster than it traveled on a wnding road. The time spent on the winding road was 6
hours. Find the average speed on the level road it the entire trip was 348 mies.

Answers

Answer:

285

Step-by-step explanation:

Write the product as a power: x^2x^5x^4 Please 20 points!

Answers

Answer:

The correct answer is x¹¹

from the law of indices

im begging for help here, if anyone knows what this would be i would appreciate it so much :(

Answers

Answer:

D.5n-9=11 Solution: n=4

Step-by-step explanation:

5n-9=11

   +9  +9 add nine on both sides

5n= 20

divide 5 on both sides to get n by itself

n= 4

Darrell writes 15 text messages in 5 minutes. What is the minutely rate?

Answers

The answer is 3 messages per minute.

If you do the work, 1 times 15 divided by 5= 3. Or 5 times 3= 15.

The cost of four brands of spray paint are listed in the table below. Which brand of spray paint costs the least per ounce?

A: Brand K (4 ounces, $3.97)
B: Brand L (6 ounces, $5.89)
C: Brand M (8 ounces, $7.29)
D: Brand N (5 ounces, $4.49)​

Answers

Brand K - $0.9925 per ounce
Brand L - $0.9816 per ounce
Brand M - $0.91125 per ounce
Brand N - $0.898 per ounce

-> cheapest is Brand N

Will give BRAINLEIST (idk how to spell it)




What is an equation for the line parallel to y=-3x+2 that passes through
(3,1)

Answers

Answer:

-7

Step-by-step explanation:

-7 i think im not sure correct me if im wrong

Lena owns 5 shares of a certain stock. Yesterday the total value of her shares went down by 20 dollars. What was the change in value for each share?

(b)A private club grew by 9 members each week for 18 weeks. What was the total change in the club's size?

Answers

Answer:

The change was 4 and part b is 162

Step-by-step explanation:

Answer 1: 4 dollars

Answer 2: Total club size 162

What is mathematical expression?

A mathematical expression is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Answer 1:

No. of shares = 5

Total value down by = 20

share value of each stock goes down by = 20/5 = 4

Answer 2:

each week 9 new members added

Total weeks = 18

Total members at the end of 18 week = 18*9 = 162

therefore, total club size = 162

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