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
Serggg [28]
3 years ago
8

Find the sum of all integers 30 to 80. (Is there a formula to do this?

Mathematics
2 answers:
Shkiper50 [21]3 years ago
7 0

Answer:

Add all the numbers from 30 to 80 and that is your answer

Step-by-step explanation:


Brums [2.3K]3 years ago
5 0

you consider the arithmetic series with first term 30, common difference 1, and last term 80

the sum of arithmetic sequence is n/2(first term + last term), and there are (80-30)+1 = 51 numbers so n = 51 and so 51/2(30+80) = 2805 which represents the sum 30 + 31 + 31 + ... + 78 + 79 + 80

You might be interested in
In each of problems 5 through 11, find the general solution of the given differential equation
Brrunno [24]

The complete question is

"Find the general solution of the given differential equation

y''-y=0, y1(t)=e^t , y2(t)=cosht

The function y(t)=e^t  is the solution of the given differential equation.

The function y(t)=cosht is the solution of given differential equation.

<h3>What is a function?</h3>

The function is a type of relation, or rule, that maps one input to specific single output.

Given;

y_1(t) = e^t

Given differential equations are,

y''-y = 0

 So that,  

y' (t) = e^t, y'' (t) = e^t

Substitute values in the given differential equation.

e^t -e^t=0

                   

Therefore, the function y(t)=e^t  is the solution of the given differential equation.

Another function;

y(t)=cosht  

So that,  

y"(t)=sinht\\\\y"(t)=cosht

Hence, function y(t)=cosht is solution of given differential equation.

Learn more about function here:

brainly.com/question/2253924

#SPJ1

7 0
2 years ago
Please help me find what to plot for this (no decimals )
Aleonysh [2.5K]

Answer:

(0, 6), (4, 5)

Step-by-step explanation:

graph (0, 6) first, then from those points go down -1 and over 4 to get (4, 5)

4 0
3 years ago
Plz help if possible
mestny [16]
The answer is (1,3).....
4 0
3 years ago
Read 2 more answers
What is .363636 as a fraction
Kay [80]
.363636 as a fraction is 4/11
6 0
3 years ago
Read 2 more answers
Please help asap!:)) and show work!
Vikki [24]

Answer:

The other acute angle = 33 1/3°

Step-by-step explanation:

Hard to read the angle measure.  

one acute angle = 56 2/3°      x =  the second acute angle

Find the other acute angles.

The two acute angles sum in a right triangle = 90°  

56 2/3° + x° = 90°

x =  90 - 56 2/3

x = 89 3/3° - 56 2/3°

x = 33 1/3°

8 0
3 years ago
Other questions:
  • If x3 = 64 what is the value of x
    13·2 answers
  • What is the value of p in the question below. 10x9/2x4= px 5
    11·1 answer
  • Kobe, A'mari and DJ are raising money for their football team to take a trip to San Diego. Kobe collected $18.50 more than A'mar
    12·2 answers
  • Write a rule to describe the transformation. A. Rotation 90º clockwise about the origin B. Rotation 180º about the origin C. Rot
    13·2 answers
  • A kite is a quadrilateral with two pairs of adjacent, congruent sides. The vertex angles are those angles in between the pairs o
    9·2 answers
  • Which ratio is greater than 16?<br> A.22:32<br> B.3:8<br> C.1:2<br> D.3:4
    7·1 answer
  • 10 points pls answer this is due tonight
    13·1 answer
  • Can someone help me with this problem
    13·1 answer
  • Will mark as brainliest!!!!!!!!!!
    5·1 answer
  • Evaluate 5k + 1 when: *
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!