1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
diamong [38]
3 years ago
15

What is the sum of the series? 5 ​ ∑ 2j j=1

Mathematics
1 answer:
Nookie1986 [14]3 years ago
4 0
Substituting for values of j:-

S5  =  2(1) + 2(2) + 2(3) + 2(4) + 2(5)  =  2+4+6+8+10  =  30 answer
You might be interested in
The expression below is the factorization of which of the following trinomials? (2x+7)(x+5)
Gwar [14]

Answer:

2x2+17x+35

Step-by-step explanation:

=(2x+7)(x+5)

=(2x)(x)+(2x)(5)+(7)(x)+(7)(5)

=2x2+10x+7x+35

=2x2+17x+35

5 0
4 years ago
Read 2 more answers
Evaluate the function f(x) =-x/2 -7x -2 find f(-9)
NeX [460]

Answer:

f(-9)=\frac{131}{2}

Step-by-step explanation:

In order to evaluate a function at a given x-value, plug in that value into the actual function

f(x)=-\frac{x}{2} -7x-2\\\\f(-9)=-\frac{9}{2} -7(-9)-2\\\\f(-9) = \frac{131}{2}

3 0
3 years ago
The product of two consecutive room numbers is 272. Find the room numbers
yuradex [85]

Answer:

16 and 17

Step-by-step explanation:

16 * 17 = 272

8 0
3 years ago
Read 2 more answers
10. Use the formula for the
dimulka [17.4K]

9514 1404 393

Answer:

  48 m³

Step-by-step explanation:

The correct formula for the volume of a pyramid is ...

  V = 1/3Bh

For the given values, the volume is ...

  V = 1/3(36 m²)(4 m) = 48 m³

3 0
3 years ago
Two towns are 480km apart. Two buses start at the same time from these two towns towards one another and they pass each other af
Neporo4naja [7]

Answer:

10number for a is a answer of that question

5 0
3 years ago
Other questions:
  • Consider the following system of equations. {-10x^2 - 10y^2 = -300 and 5x^2 + 5y^2 = 150 Which statement describes why the syste
    12·2 answers
  • DIstributive property to match equivalent expression 7(-4-x)
    10·1 answer
  • The distance traveled, in feet, of a ball dropped from a tall building is modeled by the equation d(t) = 16t2 where d equals the
    10·1 answer
  • PLEASE PLEASE PLEASE HELP​
    9·1 answer
  • The space shuttle travels at about 28,000 km per hour. Using that information, estimate how many hours it will take the shuttle
    11·1 answer
  • This is part two of the problem
    6·2 answers
  • Given m || n, find the value of x and y.<br> m(7x+13)<br> n(3y-17) (9x-19)
    6·1 answer
  • If the midpoint between (18,y) and (20,-15) is (19,-5) find the value of y.​
    9·2 answers
  • Plsss help I’ll give u brainlest and 10 points
    12·1 answer
  • 448 / 28 show your work ​
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!