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Marina CMI [18]
3 years ago
13

A function is shown f(x)=2/3x+3 what is the value of f(12)

Mathematics
1 answer:
exis [7]3 years ago
7 0

Answer:

55/18

Step-by-step explanation:

f(x) = 2/3*12 +3

= 1/18 +3

=55/18

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Find the sum of the first 47 terms of the following series, to the nearest integer.
topjm [15]

Answer:

The sum of the first 47 terms of the given series = 6016

Step-by-step explanation:

Given the sequence

13, 18, 23, ...

An arithmetic sequence has a constant difference 'd' and is defined by

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

18-13=5,\:\quad \:23-18=5

As the difference between all the adjacent terms is the same.

so

d=5

a_1=13

Arithmetic sequence sum formula

n\left(a_1+\frac{d\left(n-1\right)}{2}\right)

Put the values

d=5

a_1=13

n=47

=47\left(13+\frac{5\left(47-1\right)}{2}\right)

=47\left(13+\frac{5\left(47-1\right)}{2}\right)

=47\left(13+115\right)

=47\cdot \:128

=6016

Thus, the sum of the first 47 terms of the given series = 6016

8 0
3 years ago
What are the answers to the bottom two?
Ira Lisetskai [31]

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below ÷)

3 0
3 years ago
A store is having a 25•/• off sale on all shirts. show two ways to calculate the sale price for a shirt that normally costs $24.
tia_tia [17]
24 x .25 is 6, so 24 - 6 is $18.00.

I don't know another way sorry.
3 0
4 years ago
Read 2 more answers
You go to dinner and decide to leave a 15% tip for your server you had 45 when you came to the restaurant. How much money would
Zepler [3.9K]

Answer:

$24.3

Step-by-step explanation:

Tip:

15% of 18 = 0.15 x 18 = 2.7

Cost of Dinner:

Tip + Cost of meal = total price

2.7 + 18 = 20.7

Money Remaining:

Starting value - Cost of Dinner = Amount remaining

45 - 20.7 = 24.3

-Chetan K

5 0
2 years ago
Read 2 more answers
What is the answer!???
mr Goodwill [35]
I believe A is the answer!
3 0
3 years ago
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