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SOVA2 [1]
3 years ago
6

HELP QUICK AND FAST WHAT THE ANSWER

Mathematics
1 answer:
pychu [463]3 years ago
6 0

The answer is C.

V= 3.14 * (7*7) * 14 / 3

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Put the brackets in to make this equation acurate 9+7x3÷10-1=2
liberstina [14]
Question is wrong.......any bracket can not solve this problem
6 0
3 years ago
Read 2 more answers
How to solve y in -(y+9)=10
Allisa [31]

Answer:


Step-by-step explanation:

- (y+9) = 10


Multiply through by -1 gives us


y+9 = -10


Subtract 9 from both sides


y = -19


That's your answer.


If you work it through it satisfies the equation.


That is:


- (-19 +9) = 10


-(-10) = 10


10 = 10


Boo ya!

5 0
3 years ago
If 2.5 mol of dust particles were laid end to end along the equator, how many times would they encircle the planet? The circumfe
Natalka [10]

Answer:

They encircle the planet 3.76\times 10^{11} times.

Step-by-step explanation:

Consider the provided information.

We have 2.5 mole of dust particles and the Avogadro's number is 6.022\times 10^{23}

Thus, the number of dust particles is:

2.5\times 6.022\times 10^{23}=15.055\times 10^{23}

Diameter of a dust particles is 10μm and the circumference of earth is 40,076 km.

Convert the measurement in meters.

Diameter: 10\mu m\times \frac{10^{-6}m}{\mu m} =10^{-5}m

If we line up the particles the distance they could cover is:

15.055\times 10^{23}\times 10^{-5}=15.055\times 10^{18}=1.5055\times 10^{19}

Circumference in meters:

40,076km\times \frac{1000m}{1km}=40,076,000 m

Therefore,

\frac{1.5055\times 10^{19}}{40,076,000} = 3.76\times 10^{11}

Hence, they encircle the planet 3.76\times 10^{11} times.

8 0
3 years ago
The slope of the line containing the points (-5,3) and (-2,1) is<br> A.-3/2<br> B.-2/3<br> C.2/3
ad-work [718]
The correct answer is B. -2/3 that is the slope
5 0
3 years ago
Is (0, -1) a solution of -101 + 4y &gt; -4?​
Andrei [34K]

Answer:

yes

Step-by-step explanation:

4 0
3 years ago
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