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larisa [96]
3 years ago
7

1. If a tank leaks 10 mL of fluid each hour, how long will it take to fill up a one liter jar?

Mathematics
1 answer:
AnnZ [28]3 years ago
8 0
Q1. The answer is 100 hours


10 ml is for 1 hours
1l is for x hours
1l = 1000 ml

So, make a proportion: 
10 ml is for 1 hours
1000 ml is for x
10 ml : 1h = 1000 ml : x
x = 1h * 1000 ml : 10 ml = 100 hours



Q2. The answers are:

1. kg - measurement of mass
2. cm² - measurement of area
3. L - measurement of volume (1L = 1 dm³)
4. m - measurement of length
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PLEASE someone help its due tonight im almost done
marusya05 [52]
<h3>Answers:</h3>
  • 48 seconds
  • 3624 feet

========================================================

Explanation:

x = number of seconds that elapse

y = altitude (aka height) of the plane

The equation for plane A is

y = 20.25x+2652

because it starts off at 2652 ft in the air, and then adds on 20.25 feet per second which is what the 20.25x describes

The equation for plane B is

y = 75.5x

The y intercept is zero because plane B starts on the ground, aka height 0.

------------------

The system of equations is

\begin{cases}y = 20.25x+2652\\y = 75.5x\end{cases}

If we want to know when they'll reach the same height (y), then we can set the two right hand sides equal to each other and solve for x.

75.5x = 20.25x+2652

75.5x-20.25x = 2652

55.25x = 2652

x = (2652)/(55.25)

x = 48

The two planes reach the same altitude at exactly <u>48 seconds</u>

That altitude is <u>3624 feet</u> because

  • y = 20.25*x + 2652 = 20.25*48+2652 = 3624
  • y = 75.5*x = 75.5*48 = 3624

Notice I plugged x = 48 into each equation and I got the same y value of y = 3624. This helps confirm the answers.

7 0
2 years ago
I Really need help! I don’t understand this! Will give 100 points!
JulsSmile [24]

Answer:

All pair COMBINATION are supplementary (Opposite)

Step-by-step explanation:

According to theorem about inscribed quadrilateral

  • The opposite interior angles of an inscribed quadrilateral are supplementary .
  • I.e there sum is equal to 180°

<O+<Q=180

<P+<R=180

7 0
2 years ago
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777dan777 [17]

Answer:

2.069x10^3

Step-by-step explanation:

Move the decimal places.

8 0
3 years ago
To convert 120 ounces to pounds which of
Novosadov [1.4K]

Answer:

7.5 pounds

Step-by-step explanation:

you divide 120 by 16 to get how many pounds is needed

6 0
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What are the mean, median, and mode of the data in the following sample?
Leto [7]

Answer:

A.

Step-by-step explanation: You have to add all the numbers together for the mean then for the median you put them in order from least to greatest. Then put your finger on the first and last number and start counting down until you have the middle number.  

6 0
3 years ago
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