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Pavlova-9 [17]
3 years ago
9

PLZ HELP ME!!!!!!!!!!!!!! 20 pOINTS

Mathematics
2 answers:
pantera1 [17]3 years ago
7 0

Answer:

b is the answer I think

Step-by-step explanation:

Bad White [126]3 years ago
5 0

Answer:

Step-by-step explanation:

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(help) what type of triangle is shown below
GaryK [48]
Pretty sure it’s obtuse !
7 0
3 years ago
Jason has a coupon for $2.50 off any electronic book for an online book store. If the original price, in dollars, of an electron
lorasvet [3.4K]
Given:

$2.50 off any electronic book for an online bookstore.

let p = original price in dollars
     d = discounted price in dollars

p = d + $2.50 

The equation above is the working equation to determine the original and discounted price of any ebook purchased by Jason. <span />
5 0
4 years ago
Five metal cubes with sides of 18 cm are melted and casted into a spherical ball. Find the volume of the sphere that is formed.
liberstina [14]

Answer:

29160cm³

Step-by-step explanation:

(18*18*18) *5 = 29160

6 0
3 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
Israel has a total of 25 coins in his pocket - they are
antoniya [11.8K]

Answer:

15x 1y

Step-by-step explanation:

im smart

6 0
3 years ago
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