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Kitty [74]
3 years ago
13

For the sequence of numbers

Mathematics
1 answer:
Sedbober [7]3 years ago
6 0

Answer:

The term rule will be:

a_n=n+21

Step-by-step explanation:

Given the sequence

22, 23, 24, 25, ...

Computing the common difference of all the adjacent terms

22,\:23,\:24,\:25

23-22=1,\:\quad \:24-23=1,\:\quad \:25-24=1

As the difference between all the adjacent terms is the same and equal to

d=1

The first element of the sequence

a_1=22

We know that  An Arithmetic sequence has a constant difference 'd' and is defined by

a_n=a_1+\left(n-1\right)d

substituting a_1=22, and d=1 in the nth term to get the term rule

a_n=a_1+\left(n-1\right)d

a_n=\left(n-1\right)+22

a_n=n+21

Therefore, the term rule will be:

a_n=n+21

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Answer:

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∠A=0

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6 0
2 years ago
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Explain why the cubed root of -8/27 is -2/3
Len [333]
Help me and I’ll help you
4 0
2 years ago
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Mark u brainliest and give 30 points.No random answers and pls give answers with explanation/steps or i will report u.​
blagie [28]

Answer:

I use equal signs throughout but they are meant to be less than or equal to signs.

s=sandwiches

4.5s+6 less than or equal to 50

The answer is s is less than or equal to 12

Step-by-step explanation:

Finding Inequality

1. we know everything costs 50 in total so that is on one side of the equal sign.

____=50

2. we know he already spent 6 dollars so the money he can spend is 6 dollars less.

____+6=50

3. Each sandwich costs 4.50 $ so how much money does he have left to spend? we figure that out by multiplying the price by the number of sandwiches.

4.5s+6=50

Solving

1. 4.5s-6=50

First use the addition property of equality and add 6 to both sides.

2. 4.5s=56

Then use the division property of equality and divide each side by 4.5

3. you get a decimal but since you can't buy half a sandwich the answer is

s is less than or equal to 12

3 0
2 years ago
1
kvv77 [185]

Answer: 2.7mm

Step-by-step explanation:

The formula for the circumference of a circle is given as 2πr. In thkw case, thw circumference is 17mm.

Therefore, 2πr = 17

2 × 3.14 × r = 17

6.28r = 17

r = 17/6.28

r = 2.7mm

Therefore the radius of the circle is 2.7mm

5 0
3 years ago
Twice the sum of a number and 3 is equal to three times the difference of the number and 7. Find the number
Agata [3.3K]

Answer:

The number is 27

Step-by-step explanation:

Let us change the word statement to an algebraic equation

→ Assume that the number is x

→ Twice the sum of a number and 3, means add x by 3, then multiply the sum by 2

→ The algebraic expression is 2(x + 3)

→ Three times the difference of the number and 7, means subtract x and 7, then multiply the difference by 3

→ The algebraic expression is 3(x - 7)

→ Equate the two expressions

∴ 2(x + 3) = 3(x - 7)

→ Simplify each side

∵ 2(x + 3) = 2(x) + 2(3) = 2x + 6

∵ 3(x - 7) = 3(x) - 3(7) = 3x - 21

∴ 2x + 6 = 3x - 21

Let us solve the equation to find x

→ Subtract 6 from both sides

∴ 2x + 6 - 6 = 3x -21 - 6

∴ 2x = 3x - 21

→ Subtract 3x from both sides

∴ 2x - 3x = 3x - 3x - 27

∴ -x = -27

→ Divide both sides by -1

∴ x = 27

The number is 27

6 0
3 years ago
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