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ohaa [14]
3 years ago
15

Steven and James are both about to take a math test. Steven is experiencing shortness of breath and profuse sweating in anticipa

tion of the test. James is a bit nervous, but does not have any of the physical manifestations that Steven has. According to Yerkes-Dodson, who should do better on the math test
Mathematics
1 answer:
Firlakuza [10]3 years ago
5 0

Answer:

james

Step-by-step explanation:

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Ivahew [28]

Answer:

4 and -10

Step-by-step explanation:

\displaystyle (x + 3)(x +3) = 49 \\ x^2+3x+3x+9=49 \\ x^2 +6x+9=49 \\ x^2 + 6x + 9 - 49 = 0 \\x^2+6x-40=0 \\\\ \Delta=b^2-4ac \\ \Delta=6^2-4 \cdot 1 \cdot (-40) \\ \Delta=36+160 \\ \Delta=196 \\ \\ X_{1,2}=\frac{-b \pm \sqrt{\Delta} }{2a}  \\ \\ X_1=\frac{-b+\sqrt{\Delta} }{2a} = \frac{-6+14}{2} = \frac{8}{2}=4 \\ \\ X_2=\frac{-b-\sqrt{\Delta} }{2a}  = \frac{-6-14}{2}=\frac{-20}{2} = -10

4 0
3 years ago
In chemistry a mole is a unit of measure equal to 6.02x10^23 atoms of a substance. The mass of a single neon atom is about 3.35x
Slav-nsk [51]
2(6.02*10^23)(3.35*10^-23)

2*6.02*3.35

answer : 4.0334*10^1
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3 years ago
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guajiro [1.7K]

Answer:

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8 0
2 years ago
Measure of interior angle?
larisa86 [58]

Answer:

120 degree

Step-by-step explanation:

total angle in hexagon = 4 *180 = 720 degree

each interior angle of equal hexagon = 720/6 = 120 degree

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3 years ago
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