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SCORPION-xisa [38]
2 years ago
7

PLEASE HELP! FIRST TO ANSWER AND I'LL MATK YOU BRAINLIEST! I MEAN IT"S ONLY 7TH GRADE MATH!!!!!!

Mathematics
1 answer:
Travka [436]2 years ago
3 0
Speed= distance/time

= 1110/15
= 74 feet per second
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Benjamin writes an expression for the sum of 1 cubed, 2 cubed and 3 cubed. What is the value at the expression
asambeis [7]

Answer:

36

Step-by-step explanation:

8 0
3 years ago
2 thirds of a number plus 5 is greater than 12
Amanda [17]

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2/3 of n +5>12

Step-by-step explanation:

6 0
2 years ago
How do u round 23.897 to the nearst 9
Stella [2.4K]
Do you mean the nearest 10th
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3 years ago
Find the pattern and use it to list the nth term in the sequence.<br> 3, 9, 27, 81, 243 ...
KonstantinChe [14]

The pattern is formed a geometric sequence

The nth term of the sequence is a_{n}=3^{n}

Step-by-step explanation:

The formula of the nth term of a geometric sequence is:

a_{n}=ar^{n-1} , where

  • a is the first term
  • r is the common ratio between the consecutive terms

∵ The pattern is 3 , 9 , 27 , 81 , 243

∵ 9 ÷ 3 = 3

∵ 27 ÷ 9 = 3

∵ 81 ÷ 27 = 3

∵ 243 ÷ 81 = 3

- There is a common ratio 3 between each two consecutive terms

∴ The pattern is formed a geometric sequence

∵ The first term is 3

∴ a = 3

∵ The common ratio is 3

∴ r = 3

- To find the nth term substitute a and r in the formula above

∵ a_{n}=ar^{n-1}

∴ a_{n}=3(3)^{n-1}

- Remember we add the powers of the same base with multiplication

∵ 3 × 3^{n-1} = 3^{1+n-1}

∴ 3 × 3^{n-1} = 3^{n}

∴ a_{n}=3^{n}

∴ The nth term of the sequence is  a_{n}=3^{n}

Learn more:

You can learn more about the sequences in brainly.com/question/1522572

#LearnwithBrainly

3 0
3 years ago
Omar is born weighing 8 pounds 3 ounces. The doctors says he should gain about 5 ounces each week for the next 4 weeks.How much
galben [10]
5 ounces for 4 weeks is 20 ounces.
There are 16 ounces in a pound so 20 ounces is 1 pound and 4 ounces.
8 lbs 3 oz plus 1 lb 4 oz is 9 lbs 7 oz.
After 4 weeks, he should weigh 9 lbs 7 oz
4 0
3 years ago
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