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In-s [12.5K]
3 years ago
9

How can i change 3.25 into fraction. also how can i change .115 into fraction

Mathematics
2 answers:
bagirrra123 [75]3 years ago
7 0
3.25 equals 3 and 1/4 so it’s 3 1/4

.115 is 115/1000 but simplified is 23/200
hjlf3 years ago
4 0

Answer:

3.25 can be changed to either 3 and 1/4 or 13/4.


.115 can be reduced in a fraction to 23/200

Step-by-step explanation:


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Consider the quadratic equation 3x^2-6=2x. (a) What is the value of the discriminant? (b) What does the discriminant of the quad
aleksley [76]

Answer:

(a) discriminant is positive, 76

(b) the above tells you there are two real roots

Step-by-step explanation:

the discriminant is 'b² - 4ac'

3x² - 2x - 6 = 0  ∴ a = 3, b = -2, c = -6

(-2)² - 4(3)(-6) = 4 + 72

5 0
3 years ago
$725 before sales tax of 6% was added. How much was the sales tax?
likoan [24]

Answer: $768.50

Step-by-step explanation:

If $725 was the price before sales tax, $768.50 would be the total amount after the 6% sales tax increase.

***If you found my answer helpful, please give me the brainliest. :) ***

4 0
2 years ago
What are the roots of the equation 9x^2 + 54x +82 = 0 in simplest a + bi form?​
s344n2d4d5 [400]

Answer:

The roots are

<h3>x =  - 3 +  \frac{1}{3}  i \:  \:  \: or \:  \:  \: x =  - 3 -  \frac{1}{3} i \\</h3>

Step-by-step explanation:

9x² + 54x + 82 = 0

Using the quadratic formula

That's

<h3>x =  \frac{ - b\pm \sqrt{ {b}^{2}  - 4ac} }{2a}</h3>

From the question

a = 9 , b = 54 , c = 82

Substitute the values into the above formula and solve

That's

<h3>x =  \frac{ - 54\pm \sqrt{ {54}^{2}  - 4(9)(82)} }{2(9)}  \\ x =  \frac{ - 54\pm \sqrt{2916 - 2952} }{18}  \\ x =  \frac{ - 54\pm \sqrt{ - 36} }{18}  \\ x =  \frac{ - 54\pm 6i}{18}</h3>

Separate the real and imaginary parts

That's

<h3>x =  -  \frac{54}{18} \pm \frac{6}{18}  \: i \\ x =  - 3\pm \frac{1}{3} i</h3>

We have the final answer as

<h3>x =  - 3 +  \frac{1}{3}  i \:  \:  \: or \:  \:  \: x =  - 3 -  \frac{1}{3} i \\</h3>

Hope this helps you

5 0
3 years ago
What is the area of the shaded region? Can someone please help me
Shkiper50 [21]

Answer:

9676

Step-by-step explanation:

100^2- 18^2= 9676

7 0
3 years ago
Y = 4x - 5 + 3 The domain of this function is . The range of this function is .
Katen [24]

Answer:

Negative infinity to infinity, 3 to infinity.

5 0
3 years ago
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