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Illusion [34]
3 years ago
5

Solve the quadratic equation 3x²+x-5=0

Mathematics
1 answer:
PIT_PIT [208]3 years ago
8 0
This does not look easy to factor, so I'd suggest using the quadratic formula:
        -1 plus or minus sqrt( 1-4(3)(-5) )
x = -----------------------------------------------
                               2*3

         -1 plus or minus sqrt(61)
    = ------------------------------------
                             6

Thus, there are 2 real, unequal, irrational roots / solutions.
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Using the equation F = 1.8C + 32, find the temperature in °C if it is 92°F. Round your answer to the nearest whole number if nec
Andru [333]

Answer:

  33 °C

Step-by-step explanation:

Put 92 where F is in the equation, and solve for C.

  92 = 1.8C +32 . . . . substitute for F

  60 = 1.8C . . . . . . . . subtract 32

  60/1.8 = C ≈ 33.33 ≈ 33 . . . . . divide by the coefficient of C, round the result

The temperature is about 33 °C.

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2 years ago
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Answer:

79

Step-by-step explanation:

what does <1 equal

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3 years ago
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Answer:

Step-by-step explanation:

then 380 and then add them

418

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3 years ago
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Could someone help me complete this chart? It’s kinda confusing.
NARA [144]

Answer:

1. - completed

2. expanded = a · a · a · a

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4. - completed

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6. base = c | exponent = 4 | expanded = c · c · c · c

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10. power = y⁸ | expanded = y · y · y · y · y · y · y · y

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3 years ago
This unit, you have learned several formulas and equations. Match the formula or equation with what the answer represents.
Sedbober [7]

Answer:

.

Step-by-step explanation:

.

6 0
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