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dedylja [7]
3 years ago
14

Factorization of the expression (3x-2y)((a+b)+(4x-3y)(a+b)​

Mathematics
1 answer:
Mrrafil [7]3 years ago
8 0
Hi!!
:D
your answer is

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There are 15 male teachers in the school. There are 35 female teachers in the school. <br><br>​
Alex777 [14]

Answer:

the ratio of make to female teachers is 3:7

4 0
2 years ago
A cylinder is filled with 900 liters of water.find the area of its base if height of cylinder is 20dm.
Lisa [10]
The formula of the volume of a cylinder:

V=\pi r^2H\\\\where:\\\\r-a\ radius\\H-a\ height\\\pi r^2-an\ area\ of\ base

We have:

V=900\ liters\\1L=1dm^3\ therefore\ V=900L=900dm^3

and

H=20\ dm

substitute:

\pi r^2\cdot20=900\ \ \ |:20\\\\\pi r^2=45\ dm^2

Answer: The area of a base of the cylinder is equal 45 dm².
5 0
3 years ago
A service station checks Mr. Gittleboro's radiator and finds it contains only 30% antifreeze. If the radiator holds 10 quarts an
Andrew [12]

Answer:

2.86 quarts ( approx )

Step-by-step explanation:

Given,

The initial quantity of the Mr. Gittleboro's radiator that contains 30% antifreeze = 10 quarts,

Let x quarts of pure antifreeze replaced x quarts of Mr. Gittleboro's radiator to bring it up to a required 50% antifreeze,

So, the quantity of 30% antifreeze radiator after drained off x quarts = (10-x) quarts

Also, the quantity of final antifreeze radiator 50% antifreeze = 10 quarts

Thus, we can write,

30% of (10-x) + 100% of x = 50% of 10

30(10-x) + 100x = 500

300 - 30x + 100x = 500

300 + 70x = 500

70x = 200

x = 2.85714285714 quarts ≈ 2.86 quarts

4 0
3 years ago
Read 2 more answers
Domain <br>1. {×€ R | X ≠ 0}<br>2. {x + R | x≠1}​
Ivenika [448]

1) Go..

domain = ( -  \infty  \:,\: 0) \: U(0 \: ,\:  +  \infty ) \\

2) Go...

domain = ( -  \infty  \: ,\: 1)U(1 \: ,\:  +  \infty ) \\

_________________________________

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

5 0
3 years ago
Could SOMEONE PLEASE GIVE ME THIS ANSWER IM STRUGGLING
makvit [3.9K]

Answer:

ʕ•ᴥ•ʔʕ•ᴥ•ʔʕ•ᴥ•ʔʕ•ᴥ•ʔʕ•ᴥ•ʔʕ•ᴥ•ʔʕ•ᴥ•ʔʕ•ᴥ•ʔ

Take a bear and have a nice day.

5 0
3 years ago
Read 2 more answers
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