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Alisiya [41]
3 years ago
9

2 (k + 2) = 8k - 5 - 3k

Mathematics
2 answers:
ruslelena [56]3 years ago
7 0

Answer:

k=3

Step-by-step explanation:

9966 [12]3 years ago
7 0

Answer:k=3

Step-by-step explanation:

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Write an<br> i explicit formula for an, the nth term of the sequence 200, 40, 8, ....
Ugo [173]

Answer:

T_n = 200 * (\frac{1}{5})^{n-1

Step-by-step explanation:

Given

Sequence: 200,40,8

Required

The nth term

The given sequence is a geometric sequence.

So, first we identify the first term

a = 200

Calculate common ration

r = \frac{40}{200} or r = \frac{8}{40}

r = \frac{1}{5}

So, the nth term is:

T_n = ar^{n-1

T_n = 200 * (\frac{1}{5})^{n-1

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2 years ago
Find the domain and range of the relation given to the right.
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Answer:

Step-by-step explanation:

D:(0,10)

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Determine the number of units of solution 2 required to obtain the desire percent alcohol concentration of the final solution. T
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Answer:

0.66 gal.

Step-by-step explanation:

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C1 * V1 = C2 * V2

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replacing the values we have that:

0.1 * 2 = 0.3 * V2

reorganizing the equation we have:

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What is 45% of $360
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45 percent of 360 is 162.
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2 years ago
Read 2 more answers
You are installing new carpeting in a family room. The room is rectangular with dimensions 2012feet × 1318feet . You intend to i
Pavlova-9 [17]

Answer: 1. When you estimate, it is not an exact measurement. 3ft 8 in gets rounded to 4ft and 12 ft 3 in rounds to 12ft. now find the perimeter. P=2l+2w P= 2*12 +2*4 P=32feet

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3. The perimeter of the room is P=2l+2w or P=2(12 1/4) + 2(3 2/3) p=24 1/2 + 7 1/3  P= 31 5/6 feet

4. The estimate and the actual are very close. They are 1/6 of a foot apart.

5a. Total baseboard 31 5/6ft - 2 1/4 ft = 29 7/12 feet needed.

5b. Take the total and divide it by 8ft  = 29 7/12 divided by 8= 3.7  You are not buying a fraction of a board so you would need 4 boards.

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