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docker41 [41]
2 years ago
12

Helpppppppppppppppppppppppp

Mathematics
1 answer:
Nonamiya [84]2 years ago
6 0

Answer:

the answer is - 133

Step-by-step explanation:

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Determine which functions have two real number zeros by calculating the discriminant, b2 – 4ac. Check all that apply.
pantera1 [17]

Step-by-step explanation:

We need to write the function that have two real number zeros by calculating the discriminant i.e. b^2-4ac.

We know that,

If D>0  the roots are real and unequal

If D= 0 roots are real and equal

If D< 0 roots are imaginary or not real and unequal

Function (1)

f(x)=x^2 + 6x + 8\\\\D=6^2-4\times 1\times 8\\\\D=4

D>0  the roots are real and unequal

Function (2)

g(x)=x^2 + 4x + 8\\\\D=4^2-4\times 1\times 8\\\\D=-16

D<0  the roots are real and unequal

Function (3)

h(x)=x^2 -12x+32\\\\D=(-12)^2-4\times 1\times 32\\\\D=16

D>0  the roots are real and unequal

Function (4)

k(x)=x^2 +4x-1\\\\D=(4)^2-4\times 1\times (-1)\\\\D=20

D>0  the roots are real and unequal

Function (5)

p(x)=5x^2 +5x+4\\\\D=(5)^2-4\times 5\times 4\\\\D=-55

D<0  the roots are real and unequal

Function (6)

t(x)=x^2 -2x-15\\\\D=(-2)^2-4\times 1\times (-15)\\\\D=64

D>0  the roots are real and unequal

(1),(3),(4) and (6) have two real number zeroes.

5 0
3 years ago
(0, -32) and (-12, -20)?<br> What is the slope of it?
fredd [130]
Its this 8 yw and it is cery fns
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Two hundred teenagers were surveyed to see what kind of background noise they preferred while doing homework. Which table best r
Lelu [443]

Answer:

i need help on that one to lol

Step-by-step explanation:

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3 years ago
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A triangle has side lengths of 7 millimeters, 6 millimeters, and 7 millimeters. Is this triangle equilateral?
Anna007 [38]

Answer: no


Step-by-step explanation:

Because an equilateral triangle has its all sides equal...

But in this case, two of its sides are equal.... And the third side is different.....


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3 years ago
Write the number in scientific notation.<br> 1,920,000
LUCKY_DIMON [66]
The answer is 1.92 x 10^6
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