four students can wash a car in 15 minuets.if the time varies inversely with the number of students washing the car, how many minutes will it take three students to coplete that same job

Answers

Answer 1

Answer:

20

Step-by-step explanation:


Related Questions

Josie is picking apples. She has 3 identical baskets that she is trying to fill. One basket is 3/5 full, another is 7/10 full, and the last is 2/3 full. What portion of the 3 baskets has Josie filled? Give you answer as a mixed number and as an improper fraction.

Answers

Answer:

1 29/30 full

Step-by-step explanation:

Basket 1 = 3/5 full

Basket 2 = 7/10 full

Basket 3 = 2/3 full

Total = 3/5 + 7/10 + 2/3

= (18+21+20) / 30

= 59/30

= 1 29/30 full

Therefore, the portion of the 3 baskets Josie has filled is 1 29/30

solve using suitable property -2/3 x 5/7 x -9/16 x 14/25

Answers

Answer:

[tex]\dfrac{3}{20}[/tex]

Step-by-step explanation:

We need to solve the given expression i.e.

[tex]\dfrac{-2}{3}\times \dfrac{5}{7}\times \dfrac{-9}{16}\times \dfrac{14}{25}[/tex]

It can be calculated by simplifying such that,

25 = 5 × 5

16 = 8 × 2

14 = 7× 2

9 = 3 × 3

If we use all the values,

we get,

[tex]\dfrac{-2}{3}\times \dfrac{5}{7}\times \dfrac{-9}{16}\times \dfrac{14}{25}=\dfrac{3}{20}[/tex]

So, the value of the above expression is equal to [tex]\dfrac{3}{20}[/tex].

HELP ME PLEASE! Don’t put a website please!

Answers

Answer:

89 for 4

Step-by-step explanation:

Answer:

89

Step-by-step explanation:

Will mark Brainliest! You MUST explain step-by-step how you solved the problem.

Answers

Answer:

choice C) 30 ft

Step-by-step explanation:

tan 41° = height/34

0.8693 = height/34

height = 29.56 or rounded to 30 ft

1. Three apples, a, and two peaches, p, sell for $1.25.
Five apples and 1 peach sell for $1.50. What is the
cost of one apple?

Answers

Answer:

$0.25

Step-by-step explanation:

You can use systems of equations to solve this.

3a+2p = 1.25

5a+p = 1.5

Multiply the second equation by 2.

3a+2p = 1.25

10a+2p = 3

Subtract the bottom from the top

-7a= -1.75

Divide by -7

a= 0.25

Each apple is $0.25 (in this case, the peach also costs $0.25)

When Georgia started Kindergarden, her parents set aside $10,000 in an account that yielded 5.6% interest compounded annually to pay for her college tuition. After 6 years of elementary school, 3 years of middle school and 4 years of high school, how much was in the account for Georgia’s college tuition?

Answers

The right answer is b

Answer:

17,280

Step-by-step explanation:

first, you find 5.6 % of 10,000 which is 560. Then you have to figure out how many years the interest was coming in which is 13 years. you multiply the 560 by 13 years to get 7,280 and add that to 10,000. that's how you get your final answer of 17,280

(21 - 5) divided by 8

Answers

Answer:

2

Step-by-step explanation:

This is simply order of operations.

so, according to that, we do the parentheses first, and then divide.

21-5=16

16/8

2

Right any Quetion of a circle with a center at (3, -8) and a radius of 13

Answers

Answer:uwu

Step-by-step explanation:

owo

State if the given binomial is a factor of the given polynomial

Answers

Answer:

B - yes

Step-by-step explanation:

If (n - 9) is a factor then when evaluated at n = 9, if the result is zero then it is a factor of the polynomial, that is

9³ + 9² - 84(9) - 54

= 729 + 81 - 756 - 54

= 0

Since the result is zero then (n - 9) is a factor of the polynomial

99 is divided into two parts, A and B, in the ratio 7:4

What is the value of A?

Answers

Answer:

63

Step-by-step explanation:

7+4 = 11

99/11 = 9

A = 9 x 7

= 63

B = 9 x 4

= 36

What is the volume?
10 mm
10 mm
10 mm
cubic millimeters
Submit

Answers

Answer:

I would assume the answer would be 10 mm³ since you are asking for volume.

10 mm is wrong because it represents a length, but 10 mm³ is correct because it represents a volume of an object.

What is the surface are of the cylinder with a height 7ft and radius 3ft?

Answers

Answer:

Total area, including top and bottom:  67.7 ft²

Step-by-step explanation:

The area of the sides (only) is A = (circumference of base)(height of cylinder), and in this case                        A = 2(3 ft)(3.14), or

approximately A = 18.8 ft²

If you also want the areas of the base and top of the cylinder, perform the indicated calculations:

A (top and bottom) = 2π(3 ft)² = 48.9 ft²

So that the total surface area is (48.9 + 18.8) ft², or 67.7 ft²

help me plssss plsss lol

Answers

Answer:

i have no idea but i just want to wish you the BEST of luck!

Step-by-step explanation:

Answer:

x^2 - 4x + 4

Step-by-step explanation:

4 + - 4x + x^2

youre switching up the equation. the - becomes a + and makes 4 a negative

what is 4+4? what is the answer to this equation

Answers

Answer:

4 + 4 = 8

Step-by-step explanation:

Help!
solve this problem

Answers

Answer:

w = 82

Step-by-step explanation:

-92 + 82 = -10

Answer:

w = 82

Step-by-step explanation:

-92 + w = -10

add 92 to each side of the equation:

w = 82

the distance a plane travels between two cities is 260 miles. The same trip, in miles, traveled by car is approximately 10% greater due to the route traveled. If the car travel at an average rate of 55 miles per hour, approximately, how long will it take the car to travel between the same two cities?

Answers

Answer:

5.2 hours or 312 minutes

Step-by-step explanation:

The plane route has been given as 260 miles.

We're told that the car/road rouge is 10% longer, and that is 260 * 1.1, which is equal to 286 miles.

Now, the car travels at 55 miles per hour, and we're to calculate how long it will take to travel.

Speed = distance / time

Making time the subject of formula, we know that

Time = distance / speed

Time = 286 miles / 55 miles per hour

Time = 5.2 hours, converting to minute, we have 5.2 * 60 = 312 minutes.

Help will give brainliest and don't put any links or I will report u and thx

Answers

Answer:

option H.

Line A increase more rapidly than B

hope it helps

Can someone pleaseeee help and if you’re correct i’ll give brainliest

Answers

125 feet^3

Hope this helped :T


The population of a town is 4,000 people. Every year the population increases by 4%. What will the population of this town be after 7 years?
After 7 years the population of this town will be?

Answers

Answer:

The answer is 5,120

Step-by-step explanation:

How to find 4% of 4000:

4 times 4000=

16000 divided by 100

160

Then you add 160 to 4000 7 times and you get 5,120.

Answer:

p=c(1+r)^t the population in 7 years will be 5263.72711694

Step-by-step explanation:

p=c(1+r)^t

p=4,000(1+.04)^t

p=4,000(1.04)^t

p=4,000(1.04)^4

p=4679.43424

p= the population you are solving for

c= the initial amount of the population

(1+r)= the rate of change

t= the period of time

The Marching band enters the gym and marches across the gym without turning. Which of these describes the transformation?
A. Dilation
B. Reflection
C. Rotation
D. Translation

Answers

Answer:

The answer is not c, it is b.

Step-by-step explanation:

They do not turn, so it is just a reflection. They are mirroring where they were before they moved.

Transformation involves changing the position of an object.

The transformation in this scenario is translation

From the question, we understand that:

The marching band marches across the gymAnd they did not turn

The above points simply mean that, they moved across the gym in a straight direction.

A movement on a straight line represents translation.

Hence, the correct transformation is (d) Translation

Read more about transformations at:

https://brainly.com/question/13801312

A rectangle on a coordinate plane has vertices L(0,6), M(8,6), N(8,0), and O(0,0). What are the dimensions of the rectangle? The base is 6 and the height is 8. O The base is 8 and the height is 6. O The base is 6 and the height is 6. O The base is 8 and the height is 8.​

Answers

Answer:

the base is 8 and the height is 6

Step-by-step explanation:

i did the test

Answer:

B

Step-by-step explanation:

I need help it’s really easy I just wasn’t paying attention

Answers

Answer:

simple how many 1/2 are in 4 the answer would be 8 y=8 can i have brainliest

Step-by-step explanation:

Answer: 30/6=5  100/4=25  

Step-by-step explanation:

PLEASE HELP ME! NO LINKS!

Answers

Answer: Keenan can paint 35 pictures with the remaining paint!

how do I do the work by myself??​

Answers

Answer: By doing it with your notes or you could ask help from the teacher? You don't have a problem on here so good luck.

A string of holiday lights at a store have three colors that flash at different
times. Red lights flash every fifth second. Blue lights flash every third
seconds. Green light flashes every four seconds. The store owner turns on
the lights. After how many seconds will all three lights flash at the same
time for the first time?

Answers

Answer:

30 times i think i don't know i am doing lcm and  gcf

Step-by-step explanation:

Help me plzzzzzzzzzzzz

Answers

Looking at the triangle we see the angles:

58, x

We also see a right angle, therefore you now have:

90, 58, 0

All three angles of a triangle should have a total of 180 degrees, so we add the known angles and subtract the total from 180.

90 + 58 = 148

180 - 148 = 32

Therefore, x = 32 or C

How much more time did he spending watching T.V. and Talking on the phone than he did Going to School

Answers

Answer:

 the answer is  h 8ours

Answer:

who is he

Step-by-step explanation:

Which of these are integers?
-10
27
-1.33
-0.50
-65

Answers

Answer:

postive integer

27

negative integer

-10 and -65

Step-by-step explanation:

integers are whole numbers thats are not fractions or decimal. They can be negative as well but if you want a positive integer then the answer is 27

Express the following as a fraction in its simplest form.
1. h+f/3 - f+k/2 + 4h-k/5
plz answer this question.....

Answers

Given:

Consider the given expression is:

[tex]\dfrac{h+f}{3}+\dfrac{f+k}{2}+\dfrac{4h-k}{5}[/tex]

To find:

The simplified form of the given expression.

Solution:

We have,

[tex]\dfrac{h+f}{3}+\dfrac{f+k}{2}+\dfrac{4h-k}{5}[/tex]

Taking LCM, we get

[tex]=\dfrac{10(h+f)+15(f+k)+6(4h-k)}{30}[/tex]

[tex]=\dfrac{10h+10f+15f+15k+24h-6k}{30}[/tex]

[tex]=\dfrac{34h+25f+9k}{30}[/tex]

Therefore, the required simplified fraction for the given expression is [tex]\dfrac{34h+25f+9k}{30}[/tex].

rlly ez short question pls answer and ty

Answers

Answer:

ITS D

Step-by-step explanation:

GOOD LUCK

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