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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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Answer:

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Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
What is the area of the triangle? Use the formula: Area of a triangle = 1/2bh.How do you find the area of a triangle?
velikii [3]

9514 1404 393

Answer:

  4 square inches

Step-by-step explanation:

The only triangle in the figure is 4 in wide and 2 in high. Using these values in the given formula, we find the area to be ...

  A = 1/2bh

  A = (1/2)(4 in)(2 in) = 4 in²

The area of the triangle is 4 square inches.

4 0
2 years ago
A recent survey indicated that the average amount spent for breakfast by business managers was $9.33 with a standard deviation o
olasank [31]

Answer:

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}  (1)  

Replacing the info given we got:

t=\frac{9.41-9.33}{\frac{0.24}{\sqrt{81}}}=3    

Step-by-step explanation:

Information given

\bar X=9.41 represent the sample mean

s=0.24 represent the sample standard deviation

n=81 sample size  

\mu_o =9.33 represent the value to verify

\alpha=0.05 represent the significance level

t would represent the statistic

p_v represent the p value

Hypothesis to test

We want to test if the true mean is higher than 9.33, the system of hypothesis would be:  

Null hypothesis:\mu \leq 9.33  

Alternative hypothesis:\mu > 9.33  

The statistic is given by:

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}  (1)  

Replacing the info given we got:

t=\frac{9.41-9.33}{\frac{0.24}{\sqrt{81}}}=3    

4 0
3 years ago
How do I find the area of this(I can round to the nearest tent if necessary)
Black_prince [1.1K]
To find the area, you have to multiply 23 by 24. The answer is 322.
5 0
3 years ago
Below are the supply and demand equations for blenders in a certain market. In these equations, p represents price, D represents
ZanzabumX [31]
The answer is (B)....
3 0
3 years ago
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