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Reptile [31]
2 years ago
15

What is 12x squared - 9x + 15

Mathematics
2 answers:
Rashid [163]2 years ago
5 0
12x^2 - 9x + 15 = 3(4x^2-3x+5)


kupik [55]2 years ago
4 0
<u>12x² - 9x + 15</u>

It can be written as . . .

3 ( 4x² - 3x + 5 )

but that's just a different way to write the same thing. It doesn't
tell you anything new, until you know what number 'x' is.
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Is -(-12) and -12 opposites??
qaws [65]

Answer:

12

Step-by-step explanation:

the opposite of -12 is 12

8 0
3 years ago
How do I solve this step by step
Rom4ik [11]
They are both drawn as right angled triangles so if we can constract them then they should obey pythagoras theorem 

First traingle:- 8^2 = 64   
                       7^2 + 6^2  =  49 + 36  =  85   so this does not obey the theorem and you cant draw it.

Second traingle: 9^2 = 81  and  5^2 + 7^2  =  25 + 49  =  75 so we cant draw that one either.
6 0
3 years ago
Math work! Plz help!!
Svetllana [295]
180 + 60x = 2,000

180 is how much money she has already, 60 is how much she makes per week, x is the amount of weeks, and 2,000 is her goal.
5 0
3 years ago
Pythagorean theorem: Manuel purchases a rectangular picture
san4es73 [151]

Answer:

width = 15

Step-by-step explanation:

a² + b² = c² This the the formula

(PLUG IN)

8² + b² = 17²

64 + b² = 289 (subtract 64 on both sides)

b² = 225 (square root)

b = 15

Hope this helps ya!!

8 0
3 years ago
What is the average rate of change for ƒ(x) = −3^x+ 79 over the interval 2 ≤ x ≤ 4?
Alinara [238K]

Answer:

The average is 124

Step-by-step explanation:

When x=2 substitute into the equation given above

-3^2+79

9+79=88...(1)

When x=4

-3^4+79

81+79=160(2)

Average of (1) and (2)

160+88/2

=248/2

=124

Therefore the average rate is 124

5 0
3 years ago
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