Mathematics Middle School

A penguin walks 15 feet in 9 seconds.
at this speed:
b. How long does it take the penguin to walk 20 feet?
Please tell me how you got that answer too.

Answers

Answer 1

Answer:

12 seconds.

Step-by-step explanation:

If you put it like 15/9 = 20/x, then cross multiply and divide you do 9 times 20 you get 180, then you divide 180 by 15 and you get 12. Hope this helps!

Answer 2
5 feet per sec so that means 3 sec for 5 feet so for 20 it’s 12 seconds

Related Questions

Write the equation of the line that is perpendicular to y=1/4x+3 and passes through the point (-2, 7). BRANLIEST=Quickest PLEASE HELP ASAP

Answers

Answer:

What line is perpendicular to the line 2x + 3y = 6 through (4, 1)? Explanation: The given equation is in standard form, so it must be converted to slope-intercept form: y = mx + b to discover the slope is –2/3. To be perpendicular the new slope must be 3/2 (opposite reciprocal of the old slope).

Step-by-step explanation:

Answer:

What line is perpendicular to the line 2x + 3y = 6 through (4, 1)? Explanation: The given equation is in standard form, so it must be converted to slope-intercept form: y = mx + b to discover the slope is –2/3. To be perpendicular the new slope must be 3/2 (opposite reciprocal of the old slope)

Step-by-step explanation:

can someone help me out? :P

Answers

Answer:

d

Step-by-step explanation:

the circumference of the moon is 10,921 km

PLEASE ANSWER QUICK One year, the population of a city was 164,000. Several years later it was 182,040. Find the percent increase.

Answers

Answer:

There was an 11% increase.

Step-by-step explanation:

The formula to find a percent increase is this: (original amount - new amount / original amount) * 100

If you fill in the formula, you get this:

(164,000 - 182,040 / 164,000) * 100

Solve:

(-18,040 / 164,000) * 100 ---> If the number being divided is negative, find the absolute value.

(18,040 / 164,000) * 100 =

0.11 * 100

11%

Which method correctly solves the equation using the distributive property?

Negative 0.2 (x minus 4) = negative 1.7
Negative 0.2 (x minus 4) = negative 1.7. Negative 0.2 x minus 4 = negative 1.7. Negative 0.2 x = 2.3. x = negative 11.5.
Negative 0.2 (x minus 4) = negative 1.7. x minus 4 = 0.34. x = 4.34.
Negative 0.2 (x minus 4) = negative 1.7. Negative 0.2 x + 0.8 = negative 1.7. Negative 0.2 x = negative 2.5. x = 12.5.
Negative 0.2 (x minus 4) = negative 1.7. Negative 0.2 x minus 0.8 = negative 1.7. Negative 0.2 x = negative 0.9. x = 4.5.


A,B,C,D

Answers

Answer:

i believe the correct answer is b

i would be great if you could explain it!!!

Answers

Multiply 8.4 x 10.9 x 8.4 x 10.9 .. sorry if I’m wrong

I need help with this one.... i really don't understand it

Answers

Answer:

Step-by-step explanation:

I believe it is F!
I’m pretty sure the and Is A

I am doing rate of change, question is down below.
I have two questions.Both down below.

Answers

Answer:

For the first question, the answer is 4/3. For the second it is 16.

Step-by-step explanation:

I just took the quiz! Can I please have Brainliest? Hope this helped!

For the first is 4/3 and the second I don’t know sorry

A baker makes 5 apple pies for every 3 blueberry pies. Last week the baker made 15 blueberry pies. How many apple pies did the baker make last week?


Apple Pies Blueberry Pies


5 3

? 15

Your answers:


3



15



25



30

Answers

Answer:

30 vehrbrhebrbrbebsbdbd

the answer is 25!!!!

I will write to explain how to find the rate from the problem provided and write in d=rt.

A dolphin can travel 30 kilometers every two hours. Determine the constant rate of change that the dolphin travels and write in d=rt form.

Answers

Rate of change is 15
Rate of change per hour is 15 but per 2 hour is 30 although your form is not a form I know so if you can find the forms name I can put it in form

Plz answer quickly
-3 = z - 8

Answers

Answer:

5

Step-by-step explanation:

z = -3 + 8 = 5

Answer:

z = 5

Step-by-step explanation:

-3 = z - 8

Isolate z.

-3 + 8 = z

Simplify.

z = 5

slope and y-intercept from graphs, I don't know if I am right and I don't know how to finish it even tho I have noted, can someone help me, can someone please answer this question, thank you!

Answers

Answer:

I think 5 is right and the slope is either -1/2 or -2/1

I think 5 is right and slope is -1/2

Complete the equivalent ratio table.

Answers

Answer:

10, 45, 63

Step-by-step explanation:

it should be 10 45 63 my guy

help meeeeeee number 4

Answers

Answer:

what is it I can't see number 4

Step-by-step explanation:

The answer to this question is A

The value of y varies directly with x, when y = 5 and x = 6. What is the equation for this relationship? What is the value of y when x = 42?

Answers

Answer:

y is 35

Step-by-step explanation:

...................

Answer:

y = 35

Step-by-step explanation:

42 divided by 6 equals 7 and 7 x 5 is 35

1000 jumps for 3 hours
________ per hour

Answers

Answer:

333.33333333

Step-by-step explanation:

it wouldn't be a whole number

Answer:

333.3  (3 repeats forever)

Step-by-step explanation:

To find the answer all you have to do is

divide 1000 by 3

187=18-w

solve for w

Answers

Answer:

w=169

Step-by-step explanation:

subtract 187 by 18

Answer: 169

Step-by-step explanation:

187 minus 18 equals 169 which is w

50 points for brainless and only if u get the answers CORRECT.

Answers

For number 12 you will be able to get 7 pictures sry I didn’t really understand the question
You will be able to get 7 pictures

given 2x(y+z)^2, which best explains the expression

A. The factor 2x depends on (y+z)^2

B. The factor (y+z)^2 depends on the 2x

C. The factors 2x and (y+z)^2 are dependant of each othwr

D. The factors 2x and (y+z)^2 are indepdent of each other

Answers

Answer: D, Explanation:

Answer:

d

Step-by-step explanation:

1.y = mx is a _____________ variation
2.In the equation y = mx, m represents the _______

Answers

Answer:

Slope

Step-by-step explanation:

In the equation y = mx + b for a straight line, the number m is called the slope of the line. Definition 2. In the equation y = mx + b for a straight line, the. number b is called the y-intercept of the line.

Answer: the first one is direct and the second one is rate

Step-by-step explanation:

Jill wants to make melonade for her family reunion. She needs enough lemonade for 60 people to each have 1 cup. How many gallons of lemonade does Jill need to make?

Answers

Answer:

4 or 3.75

Step-by-step explanation:

there are 16 cups in a gallon

60/16 is 3.75

if you want you can round up

but to have an even amount it would be 4

Answer:

3.75 gallons

Step-by-step explanation:

1 cup = 0.0625

10 = 0.625

30=0.625

60 = ur answer (3.75)

The mass of one coin is 16.718 grams. The mass of a second coin is 27.22 grams. How much greater is the mass of the second coin than the first? Show your reasoning.

Answers

Answer:

10.502

Step-by-step explanation:

NEED IT NOW

8a ⬇ image

8b Explain why that is the correct answer, and the other is incorrect.

Answers

Answer:

Mia is correct.

Step-by-step explanation:

You can see this if you write 5/11 in a calculator, you get 0.454545454545 infinitely. In other cases, you would write it like Malik said if the answer were to be 0.455555555, but it isn't.

Answer:

Mia

Step-by-step explanation:

Tyler’s grocery receipt shows a charge of $0.25 for every apple he purchased.

Let g represent the amount on the grocery receipt.
Let a represent the number of apples purchased.

Which is the dependent variable?
the amount of the grocery bill
the cost of an apple
the weight of the apples
the number of apples purchased

Answers

Answer:

The REAL answer is A

Step-by-step explanation:

took the test on edge

Answer:

Its a i think.

Step-by-step explanation:

Please help me with this

Answers

Answer:

33 lol

Step-by-step explanation:

y=77 toy cars
here’s the work⬇️

someone help your sister out!!!!!you don't have to answer it all, even one can helppp thank you!!!
1.Sandra has $60 in a savings account. The interest rate is 5%, compounded annually.
To the nearest cent, how much interest will she earn in 2 years?

2. Ernesto has $70 in a savings account that earns 10% interest, compounded annually.To the nearest cent, how much will he have in 2 years?

3.Emmet deposited $90 in a savings account earning 10% interest, compounded annually.To the nearest cent, how much interest will he earn in 3 years?

Answers

SCHOOL IS HELL OF A HELL
I solved it on paper hope it helps

A counter recorded 254 revolutions of the bicycle wheel shown below how far did the bicycle travel. Use 22/7 as pi and the diameter of the wheel is 5/4.''



''a) how far does the wheel roll for one tire revolution''
''b) what is the total distance recorded''
Show your work

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

HELP ASAP
WILL GIVE BRAINLY

Answers

Answer:

7, 80, and 6

Step-by-step explanation:

i think...

Today is the 65th day of school. If we are out of 180 days, how do I write this as a
fraction in simplest forms

Answers

13/36 would be the answer I believe

Somebody help please

Answers

Answer:

ur question is just somebody help please not a real math problem

Step-by-step explanation:

I'll try to help if I know it but still

Where’s the question?

Match each expression with the equivalent expanded expression.

Answers

1-1
2-3
3-5
4-2
5-4




Isjdjsh
I got the same thing

1-1
2-3
3-5
4-2
5-4
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