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AfilCa [17]
3 years ago
13

Picking up a hot cole is an example of what type of heat transfer

Mathematics
1 answer:
cupoosta [38]3 years ago
5 0
Oh my god i JUST had a lesson on conduction. I think it's conduction since the coal is hot, and your hands are a different temp.
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A scientist performs an experiment to produce a compound by adding various amounts of a catalyst to a chemical reaction. Her dat
zhannawk [14.2K]

Answer: 21.69 g

Step-by-step explanation:

Find the amount of compound produced when 300 mg of catalyst is added

<u>Given:</u>

Equation: A = 0.06c + 3.16

c = 300 mg

Substituting c = 300 into the equation and solving for A

A = 0.06 * 300 +3.69

A = 18 + 3.69

A = 21.69

Therefore 21.69 g of compound will be produced

7 0
2 years ago
A house worth $70,000 when purchased was worth $67,000 after the first year and $64,000 after the second year. If the economy do
Citrus2011 [14]

Answer:

a) The formula for the sequence is

a_n = 67,000 -3,000(n-1)

b) a_7 = 49,000

Step-by-step explanation:

Note that the difference between any two consecutive terms in the sequence is always equal to $3,000

67,000-70,000= -3,000\\\\64,000-67,000=-3,000

Then we have an arithmetic sequence where each term increases by a magnitude of 3,000 with respect to the previous term.

The explicit formula for an arithmetic sequence is:

a_n = a_1 +d(n-1)

Where d is the common difference between the consecutive terms of the sequence

d = -3,000

a_1 is the first term, or the value of the house after year 1 a_1= 67,000

n represents the number of years since the house was purchased

With

n={0, 1, 2, 3, 4, 5, 6, 7,.., n}

a) Then the formula for the sequence is

a_n = 67,000 -3,000(n-1)

With

n={0, 1, 2, 3, 4, 5, 6, 7,.., n}

---------------------------------------------------------------------------------------------

b) Now we can use the formula to find the price of the house after 7 years

a_7 = 67,000 -3,000(7-1)

a_7 = 67,000 -3,000(6)

a_7 = 49,000

3 0
3 years ago
A 40-inch piece of rope is cut into 4 equal pieces. How long is each piece in feet?
Kryger [21]

Answer: 10

Step-by-step explanation:

Just divide 40 by 4 and you get 10

6 0
2 years ago
Read 2 more answers
Express V in terms of T
Lorico [155]

Answer:

v = \frac{4t-1}{3}

Step-by-step explanation:

Given

t = \frac{3v+1}{4} ( multiply both sides by 4 to clear the fraction )

4t = 3v + 1 ( subtract 1 from both sides )

4t - 1 = 3v ( divide both sides by 3 )

\frac{4t-1}{3} = v

3 0
3 years ago
A circle with a radius of 5 has a sector with a central angle of 9/10pi radians what is the area of the sector
Snowcat [4.5K]

Answer:

11.25pi units² or 35.3 units² (3 sf)

Step-by-step explanation:

½×r²×theta

½ × 5² × 0.9pi

11.25pi units²

Or, 35.3 units² (3 sf)

6 0
3 years ago
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