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
IgorLugansk [536]
3 years ago
8

Evaluate S5 for 400 + 200 + 100 + … and select the correct answer below.

Mathematics
2 answers:
Strike441 [17]3 years ago
7 0

Answer:


Step-by-step explanation:

This question asks for the sum of the first 5 terms of the series.

Looking at the first 3 terms, we can see that each successive term is half of the one before it.

<em>So next term after 100 would be 50. Next term after 50 would be 25.</em>


Thus, we can write:

400 + 200 + 100 + 50 + 25 + ...

We already have first 5 terms, the sum is:

400 + 200 + 100 + 50 + 25 = 775

Answer choice B is right.

Nadusha1986 [10]3 years ago
5 0
The correct answer is B) 775 

Why 775? Because Assume the series continues.

400+200+100+50+25=775

I hope this helps. 

Have a great day. :)
You might be interested in
I need help on this question can someone please help me?
Svetllana [295]

I really hate these algebra problems pretending to be geometry.  

Anyway angles B and D  are congruent in a parallelogram.  Geometry part done.

4n - 2 = 2n + 32

2n = 34

n = 17

Answer: 17, which is the 3rd choice

3 0
3 years ago
Read 2 more answers
Tonya has a box that measures 12 cm by 7 cm by 19cm. what is the volume of the box. Please help
kaheart [24]

Answer: 1,596 cubic cm. To find the volume, you need to multiply all the three sides given.


Step-by-step explanation:

12cm * 7 cm* 19cm = 1596 cm^3


4 0
3 years ago
At Store A, a 60-ounce bag of shelled walnuts costs $11.99. At Store B, a 4-pound bag of shelled walnuts costs $11.99. Shelled w
Maksim231197 [3]
Store a. 60 oz is equal to 3 3/4 of a pound
5 0
3 years ago
Read 2 more answers
Factorise: 5(2^n)+2^n+2
marin [14]

Answer:

2 ( n + 2 ) ( n + 1 2 )

Step-by-step explanation:

coefficient of the first term:  

2 = 2 × 1

coefficient of the last term:  

2 = 2 × 1

coefficient of the middle term (using only the factors above):  

5 = 2 × 2 + 1 × 1

2 n 2 + 5 n + 2 = ( 2 n + 1 ) ( n + 2 )

Alternative method:

Treat the given expression as a quadratic set equal to zero, with the form

a n 2 + b n + c

and use the quadratic formula

− b ± √ b 2 − 4 a c 2 a

This will given solutions

n = − 2  and  n = − 1 2

for a factoring

2 ( n + 2 ) ( n + 1 2 )

Hope this helped

3 0
3 years ago
Which number line shows -4, -1, 1, and 2 correctly plotted please help!!!
Shkiper50 [21]

Answer:

im not to sure what it say but i believe its c

5 0
3 years ago
Other questions:
  • What is the equivalent for a 6.5 x * x + 5 .5 x + 1
    5·1 answer
  • How to change the fractions into equivalent fractions having the LCD 3/4
    13·1 answer
  • What kind of symmetry does a cylinder have?
    13·1 answer
  • If Tom can swim 10 laps in 32 minutes. What would his expected time for 15 laps?
    5·1 answer
  • You have a 32-foot fence around a square garden. You paint 1/3 of one side of the fence. What fraction of the fence did you pain
    13·2 answers
  • A line has a slope of -1/4 and passes through point (-5/4, 1) What is the equation of the line?
    7·1 answer
  • The following set of coordinates represents which figure?
    7·2 answers
  • Can someone show me an equation and solves this problem for me Please?!
    14·1 answer
  • The profit p in dollars of selling x widgets and y gadgets is given by the function p(x,y)=7x+8y. Which corner point of the shad
    12·2 answers
  • What is the solution to the inequality 7x + 2 &lt; 3x + 1?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!