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Softa [21]
2 years ago
5

What is the value of this expression? 2.3· 23.623

Mathematics
1 answer:
Alex17521 [72]2 years ago
8 0

Answer: 54.3329

Step-by-step explanation:

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Two pools are being filled with water. To start, the first pool contains 890 liters of water and the second pool is empty. Water
mars1129 [50]
<span>Let x=amount of time it takes both pipes draining together to empty the pool 
First pipe empties at the rate of 540,000/150=3600 liters/min
Second pipe empties at the rate of 540,000/225=2400 liters/min 
Together, both pipes empties at the rate of 3600+2400=6000 liters/min, so our equation to solve is: 
6000*x=540000 </span>
7 0
4 years ago
X(y - 4)<br> I’m very bad at this
chubhunter [2.5K]

Answer: That would be xy−4x <3 hope it helps

Step-by-step explanation: all u have to do is multiply the polynomials

8 0
3 years ago
What is the value of X
klemol [59]

Answer:

x ≈ 23.31

Step-by-step explanation:

We can use the law of cosines because we know 2 sides and 1 angle.

The general formula  for the law of cosines if the triangle sides are a, b,c and α is the angle between sides a and b. c is the missing side.

c = \sqrt{a^{2} +b^{2} -2*a*b* cos \alpha }

In our problem the law of cosines is

x = \sqrt{21^{2} +13^{2} - 2*21*13 *cos 83}

x ≈ 23.31

5 0
3 years ago
What is the quadratic function f(x)? Is it a maximum or a minimum?<br> -<br> Please quickly!!
kolbaska11 [484]

Answer:

A

Step-by-step explanation:

The graph decreases to a minimum then turns and increases.

This is a minimum and occurs at the vertex (1, - 4 )

7 0
3 years ago
What is the solution of the system? 10x+3y=50 -5x-y=-20
Reil [10]

Answer:

The solution is (2, 10)

Step-by-step explanation:

In order to solve this system of equations, multiply the second equation by 2, then add through. This will allow the x terms to cancel.

10x + 3y = 50

-10x - 2y = -40

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

y = 10

Now that we have y, plug in and find x.

-5x - y = -20

-5x - 10 = -20

-5x = -10

x = 2

3 0
4 years ago
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