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Fynjy0 [20]
3 years ago
7

What is the nth term for the sequence 5 , 14 , 29 , 50 , 77

Mathematics
1 answer:
Marina86 [1]3 years ago
8 0
The answer would be 3n^2 + 2.

This can be found/proven by replacing "n" with term number (1,2,3,4...), then solving to get the final number. For example 3 * 1^2 + 2. You would first do 1^2, which is 1. Next, you would multiply 1 by 3, to get 3. Finally, you'd and the 2 to get 5. 5 is the 1st term, and you can use this same equation to get the rest of the terms you need.

I hope this helps!
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this year Benny is 12 years old and his mom is 48 years old what percent of his mom's age is Benny's age ​
Lady bird [3.3K]

Answer:

25%

Step-by-step explanation:

Let's set up a percent proportion:

12/x = 48/100

To solve for x, we would do:

x = (12*100)/48 = 1200/48 = 25

x = 25%

In my opinion, the easiest way to do this would be to look at this and notice that 12 * 4 =48 so that means 12 is 1/4 of 48 and 1/4 = 25%.

Let me know if you have any questions.

7 0
2 years ago
Each side of a cube is 4 inches long. What surface area of the cube
Georgia [21]

Answer:

96 in^2

Step-by-step explanation:

This is because u have to multiply the two bases and the lateral sides to get your area

4 0
3 years ago
Read 2 more answers
(-2, 3), (3, -2), (1, 3), (0, -2)<br> DOMAIN<br> RANGE
AURORKA [14]

Answer:

(-2, 3) = domain -2 = range 3

(3, -2) = domain 3 = range -2

(1, 3), = domain 1 = range 3

(0, -2) = domain 0 = range -2

Step-by-step explanation:

5 0
3 years ago
If tñ=2ñ+3, find S10​
Allisa [31]

Answer:

S_{10}=280

Step-by-step explanation:

Given that,

t_n=2n+3 ...(1)

We need to find the value of S_{10}.

Put n = 1 to find the first term.

t_1=2(1)+3=5

Put n = 2 to find the second term.

t_2=2(2)+3=7

Put n = 3 to find the third term.

t_3=2(3)+3=9

Put n = 10 to find the tenth term.

t_{10}=2(10)+3=23

It means we need to find the sum of 5,7,9,.....,23.

The formula for the sum of n terms is given by :

S_=\dfrac{n}{2}(a+a_n)

We have, n = 10, a = 5 and a_n=23

So,

S=\dfrac{10}{2}(5+23)\\\\S_{10}=10\times 28\\\\=280

So, the value of S_{10} is equal to 280.

3 0
3 years ago
aneesha travels at a rate of 50 miles per hour .Morris is taveling 3 feet per second less then aneesha .which is the best estima
Eddi Din [679]
3 feet per second is equivalent to 2.04545 miles per hour
7 0
3 years ago
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