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
aleksandr82 [10.1K]
2 years ago
13

HELP ASAP! explain please Find the sum of the Arithmetic sequence 2 + 4 + 6+...+ 2n

Mathematics
1 answer:
alexira [117]2 years ago
5 0
  • Sn=n/2(2+2n)shdheuxucuehehxhcxdwg
You might be interested in
Sherri saves nickels and dimes in a coin purse for her daughter. The total value of the coins in the purse is $0.95. The number
forsale [732]
I’m guessing that this is for systems of equations?
n - nickels
d - dimes

These are the equations you start off with.
n = 5d-2
0.95 = 0.10d+0.05n

Substitute the top equation for n into the variable n in the bottom equation.
0.95 = 0.10d+0.05(5d-2)

Solve for d.
0.95 = 0.10d+0.25d-0.10
1.05 = 0.35d
3 = d

Substitute d into the top equation and solve for n.
n = 5(3)-2
n = 15-3
n = 12

There are 3 dimes and 12 nickels in the coin purse! Hope this helped <3

7 0
2 years ago
Read 2 more answers
Zara is shopping at a furniture store with a budget of $1,500
Burka [1]

The Estimated total cost was $1564. Zara do not have eough money to buy the sofa and coffee table.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

She wants to buy a sofa for $924 and a coffee table for $640, hence:

Estimated total cost = 924 + 640 = $1564

The Estimated total cost was $1564. Zara do not have eough money to buy the sofa and coffee table.

Find out more on equation at: brainly.com/question/1214333

3 0
2 years ago
The area of a rectangular trampoline is 135 ft. The length of the trampoline is 6 ft
sammy [17]

Step-by-step explanation:

let width be x

length = 6+x

x times 6+x=135

2x+6=135

2x=135-6

129/2=x

64.5

4 0
3 years ago
Please help me!!! i will gladly give brainliest :)
True [87]

Given:

ΔONP and ΔMNL.

To find:

The method and additional information that will prove ΔONP and ΔMNL similar by the AA similarity postulate?

Solution:

According to AA similarity postulate, two triangles are similar if their two corresponding angles are congruent.

In ΔONP and ΔMNL,

\angle ONP\cong \angle MNL       (Vertically opposite angles)

To prove ΔONP and ΔMNL similar by the AA similarity postulate, we need one more pair of corresponding congruent angles.

Using a rigid transformation, we can prove

\angle NOP\cong \angle NML

Since two corresponding angles are congruent in ΔONP and ΔMNL, therefore,

\Delta ONP\sim \Delta MNL        (AA postulate)

Therefore, the correct option is A.

8 0
2 years ago
Read 2 more answers
What is the square root of 504 simplified ?
Reil [10]

Answer:

6\sqrt{14}

Step-by-step Explanation:

     To simplify \sqrt{504}, we will look for numbers that 504 can be divided by until there are no perfect square roots under the radical.

[] To do this, we can think of perfect square roots such as 4, 9, 16, etc

We can divide 504 by 36 for an answer of 14, so \sqrt{504} can be written as \sqrt{36*14} which can be written as 6\sqrt{14} because the square root of 36 is 6.

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

8 0
2 years ago
Other questions:
  • In an exponential notation what is the base number
    13·1 answer
  • I need help somebody please
    7·1 answer
  • For every 4 feet of fencing, the cost is $36 <br> 2 4 7. 10<br> 8 36 81
    12·1 answer
  • Find the geometric mean of 2 and 50​
    14·2 answers
  • If the volume of the pyramid shown is 216 inches cubed, what is the area of its base? A rectangular pyramid with a height of 6 i
    7·1 answer
  • Help me find the volume of the prism please!!!!!!
    12·2 answers
  • Carter rolls a fair number cube 18 times.Which is the best prediction for the number of times he will roll a number that is odd
    12·1 answer
  • Which diagram shows the construction of the perpendicular bisector of AB?
    11·1 answer
  • Can someone help me? I’ll reward brainalist + points
    6·2 answers
  • What is the volume of the sphere? 20 "!!points!!" and who gets it right first gets the brainliest.
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!