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Lubov Fominskaja [6]
3 years ago
15

You have been contracted to treat the water in a tank. The tank is 5 meters long and 6 meters wide and will be filled to a depth

of 4 meters. To achieve the desired
level of water purity, you need to add 1 ounces of a certain chemical per cubic foot of water. How many ounces of the chemical should you add to the tank?
(Note: 1 cubic meter
35.32 cubic feet)​
Mathematics
1 answer:
Anna007 [38]3 years ago
5 0

Answer:

56

Step-by-step explanation:

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Plz help me plz ahahaha
zimovet [89]
I think either the last one for the third
6 0
3 years ago
(20 points)
olganol [36]

Answer:

the possible coordinates are -9 and 3

Step-by-step explanation:

coordinates of B=(x2,y2)= (5,1)

Coordinates of A= (x1, y1)= (-3, z)

distance= 10 units

Formula: d=\sqrt{(y2-y1)^2+(x2-x1)^2}

substituting the values in the above formula

10=\sqrt{(z-(-3))^2+(-3-5)^2}

10=\sqrt{(z+3)^2+(-8)^2}

10=\sqrt{(z^2 +6z+9)+(64)}

10=\sqrt{(z^2 +6z+73)}

taking square root on both sides

100=z^2 +6z+73

100-73=z^2 +6z

z^2 +6z-27=0

z^2 +9z-3z-27=0

z(z+9) -3(z+9)=0

(z-3)(z+9)=0\\z-3=0 ; z+9=0\\z=3 : z=-9

3 0
2 years ago
*** Anyone who answers randomly for points WILL be reported ***
xeze [42]

One example is the equation 2x+3x = 5x because the left hand side combines to form the right hand side. This equation is said to be an identity, which is always true for any real number you can think of. For example, if x = 3, then,

2x+3x = 5x

2*3+3*3 = 5*3 ... replace every x with 3

6 + 9 = 15

15 = 15

We end up with a true equation. This will happen regardless of what x value we pick. Therefore, it has infinitely many solutions.

4 0
3 years ago
Cuantos años tengo 33-45+62
Lilit [14]

Answer: 50 anos

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Can you help me with these questions please!? x + 5 = 22 and 2x + 8 = 12
Savatey [412]
Okay so x+5 =22 is x=17. 2x + 8 = 12 is x = 2
4 0
3 years ago
Read 2 more answers
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