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Rainbow [258]
3 years ago
12

If a cup of coffee is at 90°C and a person with a body temperature of 36°C touches it, how will heat flow between them?

Mathematics
2 answers:
Alex777 [14]3 years ago
5 0

Answer:

The answer is B (From the cup to the hand)

Step-by-step explanation:

Brums [2.3K]3 years ago
5 0

Answer:

b

Step-by-step explanation:

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Find the first, fourth, and eighth terms of the sequence. A(n) = –3 • 2^n–1
Sphinxa [80]
A(n) = –3 • 2⁽ⁿ⁻¹⁾

for n = 1 ,  A₁ = -3.(2)⁰ = -3
for n = 2 ,  A₂ = -3.(2)¹ = -6
for n = 3 ,  A₃ = -3.(2)² = -12
for n = 4 ,  A₄ = -3.(2)³ = -24
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for n = 8 ,  A₈ = -3.(2)⁷ = -384


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(a - b)(a2 + ab + b2)
Colt1911 [192]

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8 0
3 years ago
Five friends take a maths test
gulaghasi [49]

Answer:

Adam scored 60, Brandon scored 66, Chen scored 74, Damion scored 75, and Erica scored 75.

Step-by-step explanation:

Since five friends took the maths test, and Adam, Brandon, and Chen together together scored 200 marks; Brandon, Chen and Damion together scored 215; Chen, Damion and Erica together scored 224; and Damion and Erica scored more than Chen; While the five of them together scored 350 marks, to determine what are their individual scores the following calculations must be performed:

Adam + Brandon + Chen = 200

Damion + Erica = 150

Brandon + Chen + Damion = 215

Adam + Erica = 135

Chen + Damion + Erica = 224

Adam + Brandon = 126

Adam + Brandon = 126 + Chen = 200

Chen = 200 - 126

Chen = 74

Damion and Erica scored more than Chen

Chen + Damion + Erica = 224

74 + Damion + Erica = 224

Damion + Erica = 150

Damion = 75

Erica = 75

Brandon + Chen + Damion = 215

Brandon + 74 + 75 = 215

Brandon = 215 - 74 - 75

Brandon = 66

Adam = 350 - 75 - 75 - 74 - 66

Adam = 60

Therefore, Adam scored 60, Brandon scored 66, Chen scored 74, Damion scored 75, and Erica scored 75.

3 0
2 years ago
Can someone help me
nignag [31]
The second answer, cause it best shows the equation, but they just moved the numbers around. It is also the only equation with all the same numbers used in the original equation, too
4 0
3 years ago
Read 2 more answers
Please answer this question now in two minutes
elena55 [62]

Answer:

LJ = CB

Therefore, CJ is 50km

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3 years ago
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