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liubo4ka [24]
3 years ago
5

How many different ways can you solve a quadratic equation ? List them.

Mathematics
1 answer:
Semmy [17]3 years ago
6 0

There are three basic methods for solving quadratic equations: factoring, using the quadratic formula, and completing the square.

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Victoria filled up her car with gas before embarking on a road trip across the country. The car uses 1.75 gallons of gas for eve
lozanna [386]

Answer:

G = 14 - 1.75(t)

Where G is the number of gallons of gas remaining;

14 represents the amount of gas in gallons in the full gas tank of the vehicle

t is the number of hours

Step-by-step explanation:

Here, we want to write an equation.

We are told that the car uses 1.75 gallons of gas every hour and after 4 hours 7 gallons were left

In the 4 hours, the amount of fuel used will be 1.75 * 4 = 7 gallons

So therefore since we have 7 gallons left, the amount of gallons in the full tank of the vehicle will be 7 + 7 = 14 gallons

Hence, the equation we want to write will be;

G = 14 - 1.75(t)

6 0
3 years ago
In which quadrant is the number –14 – 5i located on the complex plane?
loris [4]

Answer:

The complex number r = -14 - i\,5 belongs to the third quadrant of the complex plane.

Step-by-step explanation:

Let be r = -14 - i\,5. In the complex plane, if \Re (r) < 0 (real component) and \Im (r) < 0 (imaginary component), the number belongs to the third quadrant of the complex plane. The complex number r = -14 - i\,5 belongs to the third quadrant of the complex plane.

5 0
3 years ago
High in the rocky mountains, a biology research team has drained a lake to get rid of all fish. After the lake was refilled, the
nadya68 [22]

Answer:

Step-by-step explanation:

High in the Rocky Mountains, a biology research team has drained a lake to get rid of all fish. After the lake was refilled, they stocked it with an endangered species of Greenback trout. Of the 2000 Greenback trout put into the lake 400 were tagged for later study. An electroshock method is used on individual fish to get a study sample. However, this method is hard on the fish. The research team wants to know the smallest number of fish that must be electroshocked to be at least 50% sure of getting a sample of two or more tagged trout.

we have to find out smallest number fish (n) that must be electroshoked to be atleast 50% &

species of Greenback trout of the 2000 greenback trout put into the lake 400

6 0
3 years ago
How much does a 200kg object weight on earth
ValentinkaMS [17]
200kg I think being serious
4 0
3 years ago
Simplify: (x + 3)(+ 2)
Alinara [238K]

Answer:

<h2><u><em>2x + 6</em></u></h2>

Step-by-step explanation:

Simplify: (x + 3)*(+ 2)

(x + 3)*(+ 2) =

2x + 6

4 0
2 years ago
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