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ahrayia [7]
3 years ago
9

Solve 3x^2 = −12x − 15.

Mathematics
2 answers:
Artyom0805 [142]3 years ago
6 0
-2+i, -2-i are your two answers, you have to move everything to one side and solve
vitfil [10]3 years ago
4 0
3x^2+12x+15=0


Then divide by 3 to get the x by itself. 
x^2+4x+5=0


Factor to (x+5) (x-1) and solve for the two values of x.
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10 The collection of distinct vowel letters from the words PNEUMONOULTRAMICROSCOPICSILICOVOLCANOCONIOSIS​
irina1246 [14]

The collection of distinct vowel letters from the words PNEUMONOULTRAMICROSCOPICSILICOVOLCANOCONIOSIS​

The words' vowel letters are [A,,E,I,O,U].

A, E, I, O, U, Y, and, as we'll see, W are vowels, but let's go more precise now. They are symbols (letters) that represent a certain kind of spoken sound called a vowel. According to phoneticians, a vowel is a spoken sound that is made without severely limiting the airflow from the lungs.

The alphabet consists of 26 letters, five of which are vowels (a, e, I, o, and u). The other letters are consonants. A vowel is a sound made by opening the mouth and allowing air to escape without closing it or clearing the throat.

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4 0
2 years ago
28.74% of 676.87 to 2 decimal places pls help
gregori [183]

Answer:

the answer of this question is = 194.53

8 0
3 years ago
Calculate volume of hemisphere with radius 3.2 cm
Olin [163]

Answer:

V ≈ 68.63 cm³

Step-by-step explanation:

the volume (V) of a sphere is calculated as

V = \frac{4}{3}πr³

the volume of a hemisphere is half the volume of a sphere, so

V = \frac{1}{2} × \frac{4}{3} πr³ = \frac{2}{3} πr³ , then

V = \frac{2}{3} π × 3.2³

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5 0
2 years ago
Please help me I really need the answer!
Ymorist [56]
(2, 8)

Because you cannot divide by 0, which 2 would do to the bottom. 
5 0
3 years ago
PLEASE HELP ME
pav-90 [236]

Answer:

C.

Step-by-step explanation:

3 0
2 years ago
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