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andrey2020 [161]
3 years ago
13

Find the sum of the first 39 terms of the following series, to the nearest integer. 2 , 7 , 12 , . . .

Mathematics
2 answers:
hammer [34]3 years ago
7 0

Answer:

3783

Step-by-step explanation:

kodGreya [7K]3 years ago
3 0

Answer:

let'ssssssssss gooooooooooooooooooooooooooooooooooooooooooooooooo

Step-by-step explanation:

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An accounting machine operator wanted to divide an 85-minute job between two identical machines so that one machine would take o
Lubov Fominskaja [6]
To find how much time the machine that took the longer job is, you would create an equation in terms of X, the amount of time it takes one of the machines.

Please see the attached picture for the work.

51 minutes is the longer time.
34 minutes for the other machine.

6 0
3 years ago
The axis of symmetry for the graph of the function is f(x) = 1/4 x2 +
CaHeK987 [17]

Answer:

Step-by-step explanation:

f(x) = 1/4 x²+bx+10

the derivate is : f'(x) = 1/2 x +b

you have : f'(6)=0

1/2 (6)+b=0

3+b =0

b = -3

so f(x) = 1/4 x²-3x+10.......f(6) =1/4(6)² -3(6)+10 =9-18+10 =1

f(x) = 1/4(x-6)²+1... the vertex form

3 0
3 years ago
.In which situation could the quotient of
saveliy_v [14]

Answer:

Option D -  8 children

Step-by-step explanation:

Twenty four divided by eight the equation is irelated to which MCQ

24/3 = 8

Option D, A cookie jar contains 24 cookies. Each child receives 3 cookies.

The right answer is 24 cookies that are in a jar eaten by children,

If each child get 3 cookies,  

Hence, 24/3 the answer will be = 8

Means 8 children are there to eat 3 cookies that is 24.

3 0
3 years ago
What is the leading coefficient of a third degree function that has an output of 221 when x=2, and has zeros of −15, 3i, and −3i
Vinil7 [7]

Answer:

  1

Step-by-step explanation:

The function with the given zeros will factor as ...

  f(x) = a(x +15)(x^2 +9) . . . . with leading  coefficient 'a'

You have ...

  f(2) = 221 = a(2+15)(2^2+9) = a(17)(13) = 221a

Then a = 221/221 = 1

The leading coefficient is 1.

_____

<em>Additional comment</em>

As you know, a function with zero x=p has a factor of (x -p). The given zeros mean the function has factors (x -(-15)), (x -3i). and (x -(-3i)). The product of the last two factors is the difference of squares: (x^2 -(3i)^2) = (x^2 -(-9)) = (x^2 +9). This is how we arrived at the factorization shown above.

3 0
2 years ago
The triangles in each pair are similar. Find the similar triangle
eimsori [14]

Answer:

C. UVW

Step-by-step explanation:

5 0
2 years ago
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