Trevor is training for a race. He swims 12 lap in 45 minute. At that rate, how many minutes does it take Trevor to swim each lap?
Which pair of quantities form a proportional relationship? Select all that apply​

Answers

Answer 1

Answer:

Yes

Step-by-step explanation:

First you gotta add the yes, and ten you multiply it by the no so yesXno but then you are left with a negative answer so then you wanna add an extra Yes to even it out and then it becomes YesXno+Yes and then you get your answer which is yes. I learned this from the man down the street that lives near the gas station

Answer 2

At that rate, the time taken to finish each lap will be 3.75 minutes each lap. The pair of quantities that form a proportional relationship will be 15: 4.

What is speed?

The distance covered by the particle or the body in an hour is called speed. It is a scalar quantity. It is the ratio of distance to time.

We know that the speed formula

Speed = Distance/Time

Trevor is training for a race. He swims 12 laps in 45 minutes.

At that rate, the time taken to finish each lap will be

⇒ 45 / 12

⇒ 3.75 minutes each lap

At that rate, the time taken to finish each lap will be 3.75 minutes each lap.

The pair of quantities that form a proportional relationship will be 15: 4.

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Related Questions

Use the vertex formula to find the vertex of the quadratic function f(x) = - x2 + 4x - 10.

Answers

Answer:

           (2, -6)

Step-by-step explanation:

[tex]f(x)=-x^2+4x-10\\a=-1\,,\ \ b=4\\\\[/tex]

Vertex form of an equation of a quadratic function: f(x)=a(x-h)²+k, where vertex is (h, k) and:

[tex]h=\dfrac{-b}{2a}\,,\ \ k=f(h)\\\\h=\dfrac{-4}{2\cdot(-1)}=2\\\\k=f(2)=-2^2+4\cdot2-10=-4+8-10=-6[/tex]

Please help me answer these im stuck

Answers

pictures blank what’s the questions ?

Graph the line with the equation y=1/4x-4​

Answers

Answer:

Step-by-step explanation:

The required graph of the line y = 1/4x - 4 is attached below that represents a straight line that slants upward from left to right,

To graph the line with the equation y = 1/4x - 4, we can use the slope-intercept form of a linear equation.

In the given equation, y = 1/4x - 4, we can identify the slope and y-intercept:

Slope (m) = 1/4

Y-intercept (b) = -4

The graph of the line y = 1/4x - 4 will be a straight line that slants upward from left to right, with a slope of 1/4 and crossing the y-axis at -4.

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Meg receives 10% commission on her first $5000 in sales. She receives 20% commission on any sales beyond the first $5000. Bonus: Do the amount of sales and Meg's commission form a proportional relationship? Why or why not?

Answers

Answer: There is no proportional relationship in commission and sales.

Step-by-step explanation:

to show a proportional relationship between two variables x and y , we write them as:

y= mx, where m = proportionality constant.

Let y = commission, x= sales , m= commission percent

Till x= $5000 , commission percent  = 10%

Beyond x= $5000 , commission percent  = 20%

i.e. m is not constant, but as x increases y also increases.

Hence, there is no proportional relationship in commission and sales.

How many complex roots does the polynomial equation have?
-3x4 – 7x + 17 = 0
2
3
4
5

Answers

Answer:

4

Step-by-step explanation:

Three out of 8 monkeys in the zoo eat less than 12 pounds of food. What is the decimal equivalent for the number of monkeys eating less than 12 pounds of food?

Answers

Answer: The decimal equivalent for the number of monkeys eating less than 12 pounds of food = 0.375

Step-by-step explanation:

Given: Three out of 8 monkeys in the zoo eat less than 12 pounds of food.

i.e. The fraction of monkeys eat less than 12 pounds of food =[tex]\dfrac38[/tex]

Divide 3 by 8, we get [tex]\dfrac38=0.375[/tex]

Hence, the decimal equivalent for the number of monkeys eating less than 12 pounds of food = 0.375

what is the unit rate of 10 pens for 8.99​

Answers

I believe it’s 0.899

−12÷2/3 THIS IS MATH

Answers

it’s -18 because of pemdas or something like that

36. A freight elevator can safely hold no more than 2000 pounds. What is the greatest number of 6
boxes the elevator can hold safely?

Answers

2000/60 = 33.34. The elevator can hold at most 33 boxes.

Factor 45xy - 81y. If the expression cannot be factored, write cannot be factored.

Answers

Answer:

9y(5x−9)

Step-by-step explanation: Both 45 and 81's GCF is 9

The factors of the expression will be 9y(5x-9).

What are factors?

Factors are the numbers we can multiply together to get another number.

Given an expression, 45xy - 81y

45xy - 81y = 9y(5x-9)

Hence, The factors of the expression will be 9y(5x-9).

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select all the numbers that round to 4.3 when rounded to the nearest tenth:

4.25; 4.24; 4.31; 4.352; 4.219; 4.305

Answers

Answer:

4.25; 4.31; and 4.305

Step-by-step explanation:

Which equation best matches the graph shown below?
Submit Answer
y=(+6)2 - 2
y = -(x + 6)² - 2
y = -(20 - 6)2 - 2
y = (x - 6)2 - 2

Answers

Where is the graph ?
Where the graph to see how it look like

Find the equation of the linear function represented by the table below in slope-intercept form.

Answers

Answer:

I think its y=-5x+73

Step-by-step explanation:

Maurice has a house washing service that power washes houses on the weekends. He washed 4 small houses in 4 hour and 40 minutes last saturday. What was his average washing time per house? (Express your answer in hour & minutes per house)​

Answers

Answer: It should be one hour and 10 minutes for the average.

Step-by-step explanation: You would convert the 4 hours into minutes to get 240, then add the 40 to get 280. You would divide that by 4(for the number of houses) to get 70 minutes. Convert that into hours and minutes to get your answer.

It should be 1 hour and 10 minutes for the average! Hope this helps!

Which set is a function?
A:{(0,3), (3,0), (0,4), (4,0)}
B:{(0,2), (2,0), (4,6), (6,4)}
C:{(2,6), (3,6), (4,6), (2,0)}
D:{(6,2), (2,0), (4,6), (6,4)}

Answers

Answer:

B

Step-by-step explanation:

PLZ NEED HELP ASAP whats the answer???

Answers

Answer:

28in

Step-by-step explanation:

you can use bar models to find this.

there would be 2 bars, one with 5 units and another with 1

that means you divide the total by 6 to find the value of the singular unit, which would be the shorter piece.

The time, t (in minutes), you need to type a
certain paper varies inversely with the rate,
(in words per minute), that you can type.
When typing 40 words per minute, you can
finish in 50 minutes. Find the constant of
proportionality and write an equation
relating t and r.

t =[?]/[?]

Answers

Answer:

2000/R

Step-by-step explanation:

I just did this problem and got it right

$180 to $210 (percent change)

Answers

Answer:

14.29

Step-by-step explanation:

180*0.1429=210

Last month the local YMCA bought 2pounds of French fries for $4.56 for summer camp . The next month they purchased 12 pounds of French fries for $22.80 . What is the difference in the unit cost per pounds that the YMCA during summer camp?

Answers

Answer:

D = $0.38 per pounds

Step-by-step explanation:

It is given that,

Last month the local YMCA bought 2pounds of French fries for $4.56 for summer camp.

The next month they purchased 12 pounds of French fries for $22.80.

Unit cost per pound for last month is :

[tex]C=\dfrac{4.56}{2}=\$2.28\ \text{per pounds}[/tex]

Unit cost per pound for the next month is :

[tex]c=\dfrac{22.8}{12}=\$1.9\ \text{per pounds}[/tex]

Taking difference,

D = C - c

D = $2.28-$1.9

D = $0.38 per pounds

So, the difference that the YMCA during summer camp is $0.38 per pounds.

Daniel owes his sister $33. His sister said that she would give him a third off the debt. Write an expression that you could use to solve to find how much Daniel would owe his sister.​

Answers

Answer:

P=33-11

Step-by-step explanation:

given that Daniel owes her $33

a third of $33

is 1/3*33

=$11

now let the amount Daniel will owe her after giving her a third of the debt be P

therefore the expression to find how much Daniel owes her will be

P=33-1/3*33

simplifying the expression we have

P=33-11

P=$22

Daniel will owe her $22

Find x if the angles are supplementary.

mL1 = 4x - 2

mL2 = 11x + 17

Answers

Answer:

11

Step-by-step explanation:

Supplementary means that the sum of the two angles equal to 180, so add the two measures and make them equal to 180. Add the two x's, subtract the two constants.

simplifu the ratio : 25 dollars to 10 cents​

Answers

Answer:

150 cents: 1 cent

Step-by-step explanation:

We know every dollar has 60 cents so we can do

25*60=1500 cents

then our ratio becomes

1500:10

we can take away the zeroes

150:1

then their is your ratio

A figure has been dilated from center O by a scale factor of r= 3/10 What scale factor would shrink the dilated figure back to the original size?​

Answers

Answer:

magnify a dilated figure back to its original size from center with scale factor .Ask students to (1) describe how they would plan to dilate a circle and (2) This time the scale factor is greater than one, so we need to shrink triangle

Find the measure of the exterior angle (x

Answers

Answer: HONEY I NEED MORE INFO

Step-by-step explanation:

Answer:

what

Step-by-step explanation:

amber receives $10.50 each week. Which equation can be used to find the number of weeks, x Amber must save her money in order for buy an ipad that cost $300?

Answers

10.50x = 300 would be the correct equation.

What is the measure of angle NMB?
What is the measure of angle MND?
What is the measure of angle HGN?
What is the measure of angle AHG?
What is the measure of angle GNL?
What is the measure of angle HMN?
What is the measure of angle CGH?
What is the measure of angle AHJ?
What is the measure of angle JHM?
What is the measure of angle GNM?

Answers

Answer:

NMB = 102 degrees

MND = 78 degrees

HGN = 45 degrees

AHG = 45 degrees

GNL = 78 degrees

HMN = 78 degrees

CGH = 135 degrees

AHJ = 135 degrees

JHM = 45 degrees

GNM = 135 degrees

Step-by-step explanation:

Answer:

NMB = 102 degrees

MND = 78 degrees

HGN = 45 degrees

AHG = 45 degrees

GNL = 78 degrees

HMN = 78 degrees

CGH = 135 degrees

AHJ = 135 degrees

JHM = 45 degrees

GNM = 135 degrees

Step-by-step explanation:

At an arcade, small prizes cost 50 tickets each. You have 350
tickets. Write and solve an inequality that represents the number
of small prizes you can purchase with your tickets and still have
more than 100 tickets left over.
a. 350 - 50x > 100
b. 350 + 50x > 100
C. 50x -350 < 100
d. 350 - 50x > 100
Write and solve a inequality

Answers

Answer:

a

Step-by-step explanation:

rebecca uses 3/4 gallon of paint to cover 1 wall. she has three gallons of paint. how many walls can she paint?

Answers

Answer:

4 walls

Step-by-step explanation:

First we could re-write 3 gallons with a denominator of 4 which would be 12/4 gallons. Next, we could divide like so:

12 divided by 3 = 4

Our answer is 4 walls

Hope this Helps!!! :)

She can paint 4 walls in 3 gallons of paint.

What is multiplication?

Multiplication is mathematical arithmetic operation. It is also a process of adding same types of expression to some number of times.

Example - 2 × 3 means 2 is added three times or 3 is added 2 times.

Given, the Rebecca uses 3/4 gallon of paint to cover 1 wall.

And she has three gallons of paint.

Now to paint the wall;

number of wall that she can paint = number of gallon she has÷3/4

Number of wall that she can paint = 3 ÷ 3/4

Simplifying the above term to multiplication,

Number of wall that she can paint = 3 x 4/3

Number of wall that she can paint = 4

Therefore, she can paint 4 walls in 3 gallons of paint.

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When a number is increased by 35, the result
is 38. What equation fits this statement?
А
x - 35 = 38
B
x + 38 = 35
X - 38 = 35
D
x + 35 = 38

Answers

D) X+35=38
the resulting meaning equal sign

Answer:

x+35=38

Step-by-step explanation:

the equation says results which is answer so now know the 38 is on the outside

35 is positive so x+35

could yall answer -4x-28>16

Answers

Answer:

x<-11

Step-by-step explanation:

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