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
Xelga [282]
2 years ago
15

Find the sum of the first 40 even positive integers.

Mathematics
1 answer:
Pachacha [2.7K]2 years ago
6 0

Answer:

1640

Step-by-step explanation:

Even, positive integers

2+4+6+8+10+12+14+16+18+20+22+24+26+28+30+32+34+36+38+40+42+44+46+48+50+52+54+56+58+60+62+64+66+68+70+72+74+76+78+80 = 1640

You might be interested in
What is the shapes shown in the attachment below?
Alina [70]
Triangle
Parallelogram
Square
Arrow
6 0
3 years ago
A.63<br> B.54<br> C.99<br> D.126
Neporo4naja [7]

Answer:

C

Step-by-step explanation:

Area = (8 + 14) x 1/2 x 9

Area = 22 x 1/2 x 9

Area = 11 x 9

Area = 99

<em>Hope that helps!</em>

<em>-Sabrina</em>

6 0
3 years ago
Read 2 more answers
in a right triangle,one leg measures 4 inches and the other leg measures 6inches. what is the length of the hypotenuse in inches
Sergio039 [100]
A^2 + b^2 = c^2  a=4 b= 6
4^2 + 6^2 =52
square root that: 
c=2 square root 13 exactly or 7.2 approximately <span />
7 0
3 years ago
PPPPPPLLLLLLEEAAASSEE HELLLPPP WIL MARK BRAINLIEST the brackets for a shelf are in the shape of a triangle. Find the angles of t
ahrayia [7]

Answer:

Step-by-step explanation:

Sum of the angles of a triangle is ALWAYS 180°.

2x+3x+5x = 180°

10x = 180°

x = 18°

2x = 36°

3x = 54°

5x = 90°

The angles are 36°, 54°, and 90°

6 0
3 years ago
Hello please help and i give you brainliest
Hunter-Best [27]

Answer:

16

Step-by-step explanation:

x+6

In this step instead of puting x you relace it with 10 which is what x equals

10+6

16

8 0
3 years ago
Read 2 more answers
Other questions:
  • A rectangle has an area of 120 square cm. Its length and width are whole numbers. List the possible dimensions of the rectangle.
    6·1 answer
  • Determine the probability of the event, given the following information. Express as a reduced fraction.
    12·1 answer
  • There are 24 people using the gym, tha ratio of men to women is 2;1, hoiw many men are using the gym
    10·2 answers
  • Suppose A and B are dependent events.if P(A)=0.5 and P(B)=0.6
    9·2 answers
  • In your opinion, what is the easiest method to use to factor and solve a quadratic function? What is the most challenging?
    5·2 answers
  • What is this? Please answer if u know what u are doing
    10·1 answer
  • Pleas help it’s due tomrrow
    8·1 answer
  • Q: Form the differential equation representing the family of curves y = a sin (x + b), where a, b are arbitrary constants.​
    11·1 answer
  • The table indicates the number of cases of West Nile Virus over a period of 4 month. Find the rate of change between months 1 an
    15·1 answer
  • The Ericsson method is one of several methods claimed to increase the likelihood of a baby girl. In a clinical trial, results co
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!