Mathematics Middle School

PLEASE HELPPP
a hot water tank was full of hot water before eddy used 15 gallons to wash clothes now there is only 80% of the water. how much water, in gallons, does the hot water tank hold?

Answers

Answer 1
Answer: 12 gallons are left in the hot water tank.

Why?: Take 80 percent of 15 gallons.

Related Questions

Yesterday 170 guests at a hotel called for room service, and 255 guests did not call for room service. What percentage of the guests at this hotel called for room service yesterday.

Answers

Answer:

C, 40%

Step-by-step explanation:

170+255=425, 170/425=0.4%=40%

It’s 40%. 170+255=425 and I’m not sure how to explain how to convert it but once you do into a percentage you get 40%

hurry plssss!!! if u can’t see the pic don’t bother answering

Answers

Answer:

Distance Divided by time

Step-by-step explanation:

i think that pi is the asnwer because if you walk 20 miles a day then that means that y=54 and x=34

Last week, Jeffrey kept track of the time he spent doing homework.
On Monday, he spent 1 hour 15 minutes doing math homework and 37 minutes reading homework.
On Wednesday, he spent 2 hours 18 minutes on a science report.
How long did Jeffrey spend doing homework last week?
A. 3 hours 10 minutes
B. 3 hours 50 minutes
C. 4 hours 10 minutes
D. 5 hours 10 minutes

Answers

Answer:

c. 4 hours and 10 minutes

Step-by-step explanation:

C. 4 hours and 10 minutes

Angel decides to exceed the walking challenge goal. Describe two ways you might adjust the equation or inequality in Part A to represent Angel’s decision to exceed the goal. Give an example and explain.

Answers

Answer:

Step-by-step explanation:

The original distance that Angel wanted to walk will be represented as A

Since we don't know the additional distance Angel walked it'll be represented as B

A= the amount of distance Angel wanted to walk

B= the amount of distance Angel wanted to walk past his/her challenge goal

C= the amount of distance Angel walked originally from to past her/his challenge goal

A+B=C

Example:

I decide to work for A hours today as a challenge. Within this time I'm working I decided to extend my goal another B hours.

Garret studies number of hours sleep per night among students who have a grade point average of 3.0–4.0 versus students who have a grade point average of 2.0–3.0.

His theory is that students who get more sleep will have a higher grade point average than students who get less sleep because they are more rested and, therefore, better able to concentrate.

In his samples, the mean number of hours of sleep students with a grade point average of 3.0–4.0 received each night was 6.8. The mean number of hours of sleep students with a grade point average of 2.0–3.0 received each night was 6.4.

Assuming there are no outliers or skew, do the results support Garret's theory?

Select from the drop-down menus to correctly complete the statements.

Since the samples were large and randomly chosen, we can use the samples to understand the populations.

Because the sample mean for students with a grade point average of 3.0–4.0 is
Choose...
the sample mean for students with a grade point average of 2.0–3.0, the results
Choose...
support Garret's theory.

Answers

Answer:

In his samples, the mean number of hours of sleep students with a grade point average of 3.0–4.0 received each night was 6.8.

Step-by-step explanation:

The mean number of hours of sleep students with a grade point average of 2.0–3.0 received each night was 6.4.

For AABC, the measure in degrees of angles A, B, and Care 60, 55, and x + 20 respectively. What is the value of x?

Answers

Answer:

60 + 55 + x + 20 = 180

135 + x = 180

x = 180 - 135 = 45 degrees is your answer.

Step-by-step explanation:

B. 45 is the answer my good sir

so like i need help with this



Lucas wants to use the box with the greatest volume. Which shipping box should he use?

Box __

Answers

Answer:

Box D

Step-by-step explanation:

To find volume, we multiply length x width x height.

Box A: 1 x 5 x 3= 15 ft³

Box B: 3 x 4 x 2= 24 ft³

Box C: 2 x 7 x 1= 14 ft³

Box D: 3 x 3 x 3= 27 ft³ (greatest volume)

Answer: Lucas should use box D.

Step-by-step explanation:

Volumes for each box  

Box A: 15  

Box B: 24  

Box C: 14  

Box D: 27

Hope this helped! ;)

whats the answer? I cant figure it out

Answers

Answer:

h=12

Step-by-step explanation:

MARK AS BRAINLIEST!!

Answer:

a

Step-by-step explanation:

12/2 is divided

when u do u get 6 so the sign means greater than or equal to.

Six is equal to six. so a is your anser.

Brainlest is apreciated

PLS HELP WILL REWARD BRAINLIEST !!

Answers

Answer:

the range of the distributaion is around 60 cm

Step-by-step explanation:

btw can i get brainlist if im correct

lol pls help (pls get it right and include explanation)

Answers

Answer:

0.18

Step-by-step explanation:

Think of the decimals in the probability column as percentage. So Micheal has a 30% chance of eating the next fry, Lidia would have a 10% chance, so on and so forth.

The percentage will always go up to 100%.

You're given the other people's percentages, but not Ronald.

So in order to find out the answer, add all of the people's numbers, and subtract by one.

Sorry if this isn't a clear explanation. :)

Answer:

i think it's A because of how the patern is

Step-by-step explanation:

I will give brainliest to the correct answer. <3


Alita is 2 times as old as Jiro. Jiro is 4 years younger then Erik. Erik is 1/3 as old as Dawn. The sum of all their ages is 72.


1) What equation could you write to represent this situation?

2) What is the solution of your equation?

3) fill in the blanks:

Alita is __ years old

Jiro is __ years old

Erik is __ years old

Dawn is __ years old


thanks!! :)

Answers

Answer:

dudee 4 months ago you asked this question I feel bad.

Step-by-step explanation:

1) The Equation to represent the situation is

     x+ x/3 + x/3-4 + 2( x/3 - 4)= 72

2) Alita is 16 years old

Jiro is 8 years oldErik is 12  years oldDawn is 36 years old

What is Algebra?

A branch of mathematics known as algebra deals with symbols and the mathematical operations performed on them.

Variables are the name given to these symbols because they lack set values.

In order to determine the values, these symbols are also subjected to various addition, subtraction, multiplication, and division arithmetic operations.

Given:

let the age of Dawn be x.

then age of Erik = x/3

Now, Jiro is 4 years younger then Erik.

Jiro's age = x/3 - 4

and, Alita is 2 times as old as Jiro.

So, Alita's age be = 2( x/3 - 4)

As,  The sum of all their ages is 72.

x+ x/3 + x/3-4 + 2( x/3 - 4)= 72

x+ x/3 + x/3-4 + 2x/3 - 8 = 72

7x/3 - 12 = 72

7x/3 = 84

x = 36

Thus,

Alita is 16 years oldJiro is 8 years oldErik is 12  years oldDawn is 36 years old

Learn more about Algebra here:

https://brainly.com/question/24875240

#SPJ2

4. True help will be greatly appreciated, tricks or games will be reported; no links or websites or pdfs. Thanks!

Answers

Answer:

5. is 60 Miles ph  

6. D

Step-by-step explanation:

5 is B, 6 is D, hope this helps

Which of the following has a growth rate of 60%?

(no links please)

Answers

Answer:

a

Step-by-step explanation:

Plz help! giving brainliest to correct and complete answer. Absurd answers will be reported.

Answers

Sara can save money and spend less on resources that have larger expenses. She can also work harder in her job so that she can have a higher income.

Determine the constant of proportionality between the amount of earnings and the number of hours shown in the graph.

Answers

Answer:

it would depend on what time is(hours, minutes)

Step-by-step explanation:

But its 6 dollars per H

-3x - 5 = 16
(PLEASE HELP ME ASAP I WILL GIVE YOU BRAINLIEST AND PLEASE SHOW YOUR WORK)

Answers

Start by writing -3x-5=16. You can add 5 to both sides since the inverse operation of negative is adding positive. You will then get 16+5=21. Then you will get -3x=21. Divide by -3 on both sides. -3x/-3. 21/-3=-7 x=-7. Now check your answer -3(-7)=21-5=16. Checks out. Hopefully this helps!

Simplify the algebraic expression:

2(y + 5) + 3y - 4

Answers

Answer:

2y +10 +3y-4

5y+6

Step-by-step explanation:

Answer: 5y + 6

Step-by-step explanation:

1. Distribute:

=2(y+5)+3y-4

=2y+10+3y-4

2. Subtract

=2y+10+3y-4

=2y+6+3y

3. Combine Like Terms

=2y+6+3y

=5y+6

Please help! This is due today! I just need help with this one problem!

Answers

Linear equations are 2a + 3b = 82 and a + b = 38
A = 32
B = 6
The answer: A=32
B=6

Evaluate the expression when x = 2, y = 5, and z = 4.

z2 ÷ 4


2

4

1

8

Answers

4 because when there is a letter next to a number you multiply the value of the letter by the number it is standing next to

Which of the following values will result in a quotient that is less than 1 when it is divided by ? Select all that apply




A) 2 and 1/4



b) 1/2



c) 3/10



d) 5/9



e) 1 and 2/3



f) 1/5



g) 7/15

Answers

A and E because they’re talking about quotient as “2 and 1/4” and “1 and 2/3”. The “2/3” , “1/4” is a fraction.

What is the fully factored form of the expression 81v2 - 36uv + 4u2?

a
(9v - 2u)^2
b
(81v - 4u)^2
c
(9v + 2u) (9v - 2u)
d
(81 v - 4u) (v - u)

Answers

The correct answer is A. (9v-2u)^2

Answer:

I agree with findingnic666 it is A. (9v-2u)²

Step-by-step explanation:

What unit should be placed on a volume answer? cubed or squared

Answers

Answer:

volume is cubed

area is squared

Step-by-step explanation:

The unit placed on a volume answer is cubed and area is squared

The graph below shows the winter precipitation in Arizona from 1995 to 2002. It also shows the survival rates of Arizona pronghorn fawns for the same period.

Which two years had the most precipitation?

• Which two years had the best survival rates for fawns?

• Using your knowledge of biotic and abiotic factors and information from the graph, give two reasons why precipitation and fawn population are linked.

• Predict what would happen to the fawn population if the precipitation rate continues to go downward in 2003.

Answers

Answer:

lose people

Step-by-step explanation:

they won't get any more people coming with them

Find the surface area of the pyramid. The side lengths of the base are equal.

Answers

Answer:

The answer is 172.8 square yards

Step-by-step explanation:

Hope this helped you.

Answer:

er32

tyhg

Step-by-step explanation:

5you

try

try

it

t4

we

PLEASE HELP I WILL GIVE BRAINLIEST

Answers

Answer:

The answer is [tex]1\frac{1}{2}[/tex]

Step-by-step explanation:

1 1
— is the answer
2

Corie hit 5 homeruns at batting practice out
of 20 pitches thrown. What is the
experimental probability that Corie will hit a
homerun at batting practice?
A. 1/5
B. 1/4
C. 1/3
D. 1/2

Answers

B 1/4 because he has hit 1/4 of the pitches thrown at him
B because 5 goes into 20 4 times,
but it needs to be simplified
5/20 which goes down to 1/4

Plz help!!!!!!!!!!!! Will be marked BRAINLIEST

Answers

dk

dk

dk

kd

kd

kd

kd

kd

dlk

dk

dkl

bye

0x-0= 0
0 (x-0)=0
Anything times 0 with always = 0 so I’m right

10² - 10¹ - 10⁰
pls answer lol

Answers

Answer:

89\

Step-by-step explanation:

10^2-10^1-10^0
Your answer is going to be 89

The annual median income for a dental assistant is $33,280. The annual median income for nursing aide is $25,460. How much more can a dental assistant expect to earn than a nursing aide over 40 years?

Answers

Answer:

90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on nine comments your worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love you

Step-by-step explanation:

is y=2/3x-2 a direct variation? if so, find the constant of variation ^^ (ALG 1)

Answers

Answer:

Yes, the constant of variation is 2/3

Step-by-step explanation:

constant variation is another term for slope

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