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Katarina [22]
3 years ago
8

-3x^2+6x=0. Find the value of x.

Mathematics
1 answer:
siniylev [52]3 years ago
4 0

Answer:

x=√2,-√2

Step-by-step explanation:

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Lana71 [14]
Liters is the best. A bathtub can hold a lot of water.
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Could someone help me with this?
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A fish tank is filled with water.The tank holds 150 gallons.Each cubic foot of water contains about 7.5 gallons.The rank is 5 fe
san4es73 [151]

Answer:

Width = 1\frac{1}{3} ft

Step-by-step explanation:

The tank holds 150 gallons of water.

7.5 gallons holds 1 ft³ of water.

So 150 gallons will hold;

\frac{150}{7.5} × 1 ft³ = 20 ft³

The volume of the tank = Length(l) × Width(w) × Height(h) = 20 ft³

i.e 5 ft × w × 3 ft = 20 ft³

15w ft² = 20 ft³

w = \frac{20 ft^3}{15 ft^2} =  1\frac{1}{3} ft

6 0
3 years ago
Simplify.
Sidana [21]
<h3>Answer: 3\sqrt{7}</h3>

3*sqrt(7)

3 times the square root of 7

====================================================

Explanation:

I'm assuming the V stands for square root. You can write sqrt(63).

\sqrt{63} = \sqrt{9*7}\\\\\sqrt{63} = \sqrt{9}*\sqrt{7}\\\\\sqrt{63} = 3\sqrt{7}

The idea is to factor 63 in such a way that one factor is the largest perfect square possible, that way we can pull the root apart to simplify as shown above. The rule I used for the second step is \sqrt{x*y} = \sqrt{x}*\sqrt{y}

5 0
3 years ago
What are the m (slope) and b (y-intercept) of y = 3x - 2?
makkiz [27]

Answer:

slope is 3 Y is -2

Step-by-step explanation:

Whenever a number is in "x" its slope. The number always after that is Y so slope is 3 and Y is -2

5 0
2 years ago
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