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Margarita [4]
3 years ago
6

URGENT PLEASE, I NEED THIS FOR A TEST RIGHT NOW- A jar one-fifth filled with water weighs 560g. The same jar four-fifth filled w

ith water weighs 740g. What is the weight of the empty jar??
Mathematics
1 answer:
8090 [49]3 years ago
6 0

Answer:

493g.

Step-by-step explanation:

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A hot air ballon ascended at the rate of 400 ft per hour for 3 hours and 15 min. What was the total distance that the ballon asc
Romashka [77]

The balloon ascended 1300ft.

WORK:

3*60=180

180+15=195

195/60=3.25

3.25*400=1300

That is why your answer is 1300ft. Enjoy!

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%5Csqrt%7B-4%7D%20%7D%7B%283%2B1%29-%282%2B3i%29%7D%20" id="TexFormula1" title
frozen [14]
\sqrt{-4} can also be written as 2i 
where i = √-1

\frac{2i}{4-2-3i} =  \frac{2i}{2-3i}

Rationalizing denominator,

\frac{2i(2+3i)}{(2-3i)(2+3i)} =  \frac{4i-6}{4+9} =  \frac{4i-6}{13}
8 0
3 years ago
Look at the graph shown:
lidiya [134]

Answer:

y = 3x - 1

Step-by-step explanation:

Although the coordinate plane is not given, we don't need it to find the solution. We have given all the conditions enough for the solution.

The y-intercept is (-1) and the function passes through the point ( 1, 2 ).

Only the function y = 3x -1 matches these conditions.

We can observe the points in the attached graph.

5 0
3 years ago
Read 2 more answers
Help me with this question
kondaur [170]

Answer:

37.68

Step-by-step explanation:

Circumference = Diameter x pi

Diameter = 12 feet

12 x 3.14 = 37.68

The circumference of the pool is 37.68 feet.

7 0
2 years ago
A high-speed computer printer prints a page in 1/6 second. Using this printer, how long would it take to print 30 pages?
german
30*\frac{1}{6}=\frac{30}{6}=5
6 0
3 years ago
Read 2 more answers
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