Not sure on this question

Not Sure On This Question

Answers

Answer 1

Answer:

It will take 250 seconds for 30 liters to pass through the pipe.

Step-by-step explanation:

Let's use just the units only to help us set up and equation.

liters/sec × sec = liters

This works. Fill in the numbers we know.

.12 l/sec × ?sec = 30liters

Use a real variable and let's leave off the units so we can write an neater equation to solve.

.12 l/sec × x sec = 30liters

.12x = 30

That's a good equation. Divide by .12 to solve.

x = 30/.12

x = 250

Remember x was seconds. We were asked to find the seconds.

It will take 250 seconds for 30 liters to pass through the pipe.

(In case they ask later, that's 4minutes and 10 seconds)


Related Questions

Write an equation in slope-intercept form of a line that has a slope of 1/5 and a y-intercept of 4.​

Answers

Answer:

y=1/5x+4

Step-by-step explanation:

plz help i have 4 ins

Answers

The answer is 126.856

Does anyone kno dis answer for me

Answers

Answer:

answer below:)

Step-by-step explanation:

since s2= 6.2, then:

cos L= [tex]\frac{adjacent side }{hypotenuse side}[/tex]= [tex]\frac{6.2}{7\\}[/tex]

which orded pair is a solution of the equation 2x+4y=6x-y

Answers

y=4/5x hope that’s the right answer

how do u answer 1/2x + 3/8 = 1/6

Answers

Answer:

-5/12

Step-by-step explanation:

you need to simplify both sides of the equasion, then isolate the variable

Natalie earned a grade of 72% on her multiple choice history final that had a total of 200 problems. How many problems on the final exam did Natalie get wrong?

Answers

Answer:56

Step-by-step explanation:

72% of 200= 144

200-143=56

Are there any supplementary, vertical, or complimentary angles? If so wich ones

Answers

Supplementary: N and M

Supplementary angles: A pair of angles whose sum is equal to 180°.

Vertical: N and R

Vertical angles: A pair of angles that are made by two intersecting lines.

Complimentary: P and Q

Complimentary angles: A pair of angles whose sum is equal to 90°.

Hope this helps! :D

Please help me there is a picture right there

Answers

Answer:

90 mm^2

Step-by-step explanation:

split into two rectangles.

First rectangle: 5 x 6 = 30 mm^2

Second rectangle: 10 x 6 = 60 mm^2

30 + 60 = 90 mm^2

Answer:

90 [tex]mm^{2}[/tex]

Step-by-step explanation:

Hi!

What we have over here is a composite figure.

Basically, it's made up of different shapes

We can either make a rectangle by making a horizontal line from the point in between 6 mm and 5 mm

Or we can make a rectangle by going verticle from the point in between        6 mm and 5 mm

Either way, we have two rectangles now, and we can use our formula [tex]l*w[/tex] to find the area.

For the first example, we would do:

[tex]6*5[/tex] [tex]=30[/tex]

[tex]6*10=60[/tex]

Then we add the two areas of the two rectangles:

[tex]60+30=90[/tex] [tex]mm^{2}[/tex]

For the second example, we would do:

[tex]5*6=30[/tex]

[tex]5*12=60[/tex]

[tex]60+30=90[/tex] [tex]mm^{2}[/tex]

Just cut the figure into shapes you can calculate the area of and you should be good to go!

Let me know if you have any questions

What is 1/7 of 28% of 8,000

Answers

Answer:

320

Step-by-step explanation:

A=1/7 * .28 *8000 = 320

Answer: 320

Step-by-step explanation: 1/7*28 of 8000

PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA POINTS*..
IM GIVING 40 POINTS !! DONT SKIP :((.

Answers

Answer:

y= 9 x= -42

Step-by-step explanation:

20 + 30 + 90 + 2 + 278 + 7 + 2891 + 29 = Whats the answer?

Answers

Answer:

3347 is the answer. Hope that helps

Answer:

3347

Step-by-step explanation:

20+30=50

50+90=140

140+2=142

142+278=420

420+7=427

427+2891=3318

3318+29=3347

solve all 5 questions for 62 points if they are correct you will be marked brainiest

Answers

Answer:

1.0.003

2.40 minutes

3.a,e

4.a,c,d

5.1/24

Step-by-step explanation:

1.0.003 that’s the answer for this problem

one boy has 63k and another 59k .if they share it equally,how much does each of them get​

Answers

Answer:

61k

Step-by-step explanation:

63+59=122

122/2=61

Answer:

61000

Step-by-step explanation:

First add 63K + 59K. You'll get 122K. Then divide that number by two. You'll get 61 K, which is 61000.

pls plz plz i need the answers help me

Answers

Answer:

24 units squared

Step-by-step explanation:

Answer:

24 square units

Step-by-step explanation:

Hope that helps and good luck on your Quizizz!

what must be added to each term of the ratio 3:5, so that it becomes 4:5​

Answers

Answer:

5 must be added to both the terms to get the ratio 4:5.

Step-by-step explanation:

(3+x)/(5+x)=4/5

Therefore,

15+5x=20+4x

=5x-4x=20-15

=x=5

I hope it's helpful!

Answer:

3+y/5+y=4/5

let y be the no.to be added

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

15+5y=20+4y

-5= -y

y=5

Benjamin has 16 coins in his wallet consisting of quarters and dimes. The total worth of
the coins is $3.10. Benjamin created two linear equations to model this scenario, where
q represents the number of quarters in his wallet, and d represents the number of
dimes.

Answers

Answer:

6 dimes & 10 quarters

Step-by-step explanation:

Here are the two equations. The first one deals with the numbers of coins. The second one deals with the values of the coins.

d + q = 16

0.1d + 0.25q = 3.1

Solve the first equation for d and plug into the second equation.

d = 16 - q

0.1(16 - q) + 0.25q = 3.1

1.6 - 0.1q + 0.25q = 3.1

0.15q = 1.5

q = 10

d + q = 16

d + 10 = 16

d = 6

Answer: 6 dimes & 10 quarters

Benjamin has 6 dimes and 10 quarters.

What is linear equation?

A linear equation is  defined as an equation in which the highest power of the variable is always one.

Given that two equations,

d + q = 16

0.1d + 0.25q = 3.1

Where q represents the number of quarters in his wallet, and d represents the number of dimes.

d = 16 - q

0.1(16 - q) + 0.25q = 3.1

1.6 - 0.1q + 0.25q = 3.1

0.15q = 1.5

q = 10

d + q = 16

d + 10 = 16

d = 6

Hence Benjamin has 6 dimes and 10 quarters.

Learn more about linear equation

https://brainly.com/question/2263981

#SPJ2

What is the value of the expression 8x + 9 when x=7?

Answers

x=7


8x => 8 x 7 = 56

8x + 9=

56 + 9 = 65

Round off to the nearest
3,142

Answers

Just put 3.150 lol that what I did

Alex has 100. He spends 3/10of it on candies. He spends one-seventh of what's left on colour pencils. How
much money is Alex left with?​

Answers

Answer:

$60

Step-by-step explanation:

3 tenths of 100 is 30

1 * 10 is 10

100 - 30 + 10

= 100 - 40

= $60

Which equation shows this volume formula solved for h?

Answers

Answer:

Step-by-step explanation: the answer is B i think

Answer:

A

Step-by-step explanation:

[tex]V = \frac{nd^2h}{6}[/tex]

multiply both sides by 6

[tex]6V = nd^2h[/tex]

divide both sides by [tex]nd^2[/tex]

[tex]\frac{6V}{nd^2} = h[/tex]

So the answer is A.

Equation A: y = -9x + 14

Equation B: y = x - 6

What is the solution ( , ) to the given set of equations?

Answers

Answer:

compare both the equation we get,

X-6 = -9x+14

or, 10X =20

or, X= 2

Y=X-6

or, Y= 2-6

or, Y= -4

hence the solution is (2,-4)

someone please help me on this ​

Answers

There are many ways to prove this, this is just how I do it. Hope it helps.

What is 36divided by 6.

Answers

Answer:

6

Step-by-step explanation:

It is six because 6x6=36

Solve 1∕4p + 5∕6 = 2∕3 for p.
Question 1 options:

A)

–1∕24

B)

3∕8

C)

–2∕3

D)

6

Answers

Answer:

C)  -2/3

Step-by-step explanation:

1/4p = 4/6 - 5/6

1/4p = -1/6

6p = -4

p = -4/6 or -2/3

Use the ratio table to solve the percent problem.

Part Whole
? | 75
40 | 100


What is 40% of 75?



Enter your answer in the box.

Answers

Answer:

9

Step-by-step explanation:

i dont know

if it right or wrong

Answer:

30

Step-by-step explanation:

I did the test i hope it helps brainlist plz :>

-lexi

 

Find the volume of a cuboid of dimensions 4 cm x 2 cm x 3 cm

Answers

Answer:

24 cm^3

Step-by-step explanation:

4x2x3=24

which is a prime number? a 16 b 17 c 18 d 20​

Answers

Answer:

17

Step-by-step explanation:

bc nothing can go into it besides 1 and itself.

B. 17, 17 is a prime number it does not have any other factors than itself

The buyer of a car pays Php 169,000 cash and Php 12, 000 every month for 5 years. If money is 10% compounded monthly, how much is the cash price of the car?​

Answers

Answer:

Step-by-step explanation:

Automobiles traveling on a road with a posted speed limit of 65 miles per hour are checked for speed by a state police radar system. The following is a frequency distribution of speeds. Speed (miles per hour) Frequency 45 up to 55 50 55 up to 65 325 65 up to 75 275 75 up to 85 25 picture Click here for the Excel Data File The mean speed of the automobiles traveling on this road is the closest to ____.

Answers

Answer:

The mean speed of the automobiles traveling on this road is the closest to 64 miles per hour

Step-by-step explanation:

Given

[tex]\begin{array}{cc}{Speed} & {Frequency} & {45-55} & {50} & {55-65} & {325} & {65-75} & {275} & {75-85} & {25} \ \end{array}[/tex]

Required

Calculate the mean

First, calculate the midpoint (x)

For 45 - 55: [tex]x = \frac{1}{2}(45+55) = 50[/tex]

For 55 - 65: [tex]x = \frac{1}{2}(55+65) = 60[/tex]

For 65 - 75: [tex]x = \frac{1}{2}(65+75) = 70[/tex]

For 75 - 95: [tex]x = \frac{1}{2}(75+85) = 80[/tex]

So, we have:

[tex]\begin{array}{ccc}{Speed} & {Frequency} & {x} & {45-55} & {50} & {50} & {55-65} & {325} & {60} & {65-75} & {275} &{70} & {75-85} & {25} &{80}\ \end{array}[/tex]

The mean is then calculated as:

[tex]\bar x = \frac{\sum fx}{\sum f}[/tex]

[tex]\bar x = \frac{50*50+325*60+275*70+25*80}{50+325+275+25}[/tex]

[tex]\bar x = \frac{43250}{675}[/tex]

[tex]\bar x = 64.07[/tex]

[tex]\bar x = 64[/tex] --- approximated

K(2, 7), L(6, 12), M(13, 13), N(9,8) (Slope Formula)

prove whether the quadrilateral is a parallelogram

Answers

Answer:

Yes, it's a parallelogram

Step-by-step explanation:

Slope Formula: y2-y1/x2-x1

KL: 12-7/6-2 = 5/4

LM; 13-12/13-6 = 1/7

MN: 8-13/9-13 = 5/4

KN: 7-8/9-2 = 1/7

Since angles and sides opposite one another on a parallelogram are congruent, we can say this is a parallelogram because there are congruent.

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