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Ulleksa [173]
3 years ago
11

What method would you use to solve the equation -14x^2 + 6x = 2.7? Why would this method be easier to use than the other methods

?
Mathematics
2 answers:
grin007 [14]3 years ago
6 0
I really, really don't like this question. People have preferences in solving quadratics. I would personally use, and would encourage anyone to use the quadratic equation. That's because completing the square would get excessively fractional, graphically doesn't even work because the solutions are imaginary, and differentiating it wouldn't be necessary, as there are no irrational numbers (except i, which is just imaginary). So, in short, quadratic equation because you can't get anything graphically, the answers are ugly fractions, and you can actually use that method.
Dmitrij [34]3 years ago
4 0
It's whichever one you want.
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Tina needs to pay Tony 70p still
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Angelique is building a model of her home. Her house is 24 feet tall, and the home in her model is 8 inches tall. She wants to a
timama [110]

We have that

Her house is -----------------------24 feet tall

Her model is----------------------- 8 inches tall

The inch is a unit of length used primarily in the imperial and U.S. customary measurement systems, representing 1/12 of a foot

 in =ft * 12.000

24 feet=12*24=288 inches

Her house is -----------------------288 inches tall

Her model is----------------------- 8 inches tall

 

288/8=36 scale of reduction

Her brother is 5 feet tall

<span>The figurine in the model that represents her brother  (5/36)</span>=0.138889 feet

<span>0.138889*12=1.67 inches</span>

3 0
3 years ago
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Which angles are adjacent to each other?
babymother [125]

Answer:

1st option maybe?

Step-by-step explanation:

4 0
2 years ago
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2. Eliza uses the point (3, 9) to her home’s location and uses the point (6, 13) to represent the ice cream shop’s location. Eac
Elden [556K]

Answer:

I'm gonna use the distance formula:

Distance = sqrt((x2-x1)^2 + (y2-y1)^2)

Distance = sqrt((6-3)^2 + (13-9)^2)

Distance = sqrt(3^2 + 4^2)

Distance = sqrt(9 + 16)

Distance = sqrt(25)

Distance = 5

The problem says every unit = 1 mile so 5 units = 5 miles.

Answer = 5 miles

Step-by-step explanation:

7 0
2 years ago
Using two normal dice, what is the probability of rolling numbers that add up to 3?
Blizzard [7]
That would be rolling a 1 and a 2 .

so possibilities are 1 on first die and 2 on the second die

OR 2 on first die and 1 on the second.

Both of these have a probability of 1/6 * 1/6 = 1/36

so required probability = 1/36 + 1/36 = 2/36 = 1/18


4 0
3 years ago
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