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vodomira [7]
3 years ago
12

How do I solve for x

Mathematics
1 answer:
alexira [117]3 years ago
3 0

Answer:

USE INVERSE OPERATION

Step-by-step explanation:

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Can you please help me with this.
Genrish500 [490]

Answer:

Step-by-step explanation:

The equation for an arithmetic sequence is

a_n=a_1+d(n-1)  where n is the position of the number in the sequence, a1 is the first number in the sequence, and d is the difference between the numbers in the sequence.

Our first number is 2, so a1 = 2; to get from 2 to 5 we add 3, to get from 5 to 8 we add 3. That means that d = 3. Filling in the standard form of the equation:

a_n=2+3(n-1) which simplifies to

a_n=2+3n-3 and a bit more to

a_n=3n-1 (which should tell you that arithmetic sequences are lines!)

Finding the 13th number simply requires that we replace n with 13 and solve:

a_{13}=3(13)-1 so

a_{13}=38

8 0
2 years ago
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An Olympic runner completes the 200-meter sprint in 23 seconds. What is the runner’s average speed? (Round your answer to the ne
ololo11 [35]

Answer:

C. 8.7 m/s

Step-by-step explanation:

6 0
3 years ago
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Zeke needs to save a minimum of $16,500 to buy a truck. He has already saved $7,250. He plans to continue to save $350 each mont
eduard

Answer:

$16,500 ≤  $350m + $7,250

m = month

m ≥ 37

3 0
3 years ago
Using the technique in the model above, find the missing sides in this 30°-60°-90° triangle.
lina2011 [118]
For this case what you should do is use the following trigonometric relationship:
 sin (x) = C.O / h
 Where
 x: angle
 C.O: opposite leg
 h: hypotenuse
 Substituting the values we have:
 sen (60) = long / h
 sen (60) = 3 / h
 h = 3 / sin (60)
 h = 3.46
 Answer:
 h = 3.46
7 0
3 years ago
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Your parents gave you a gift card for your favorite coffee shop. The card was worth $50 when you got it. Each day, you buy a dri
Sever21 [200]

50=3x+b. you never specify the variable that replaces b

7 0
3 years ago
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