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True [87]
3 years ago
12

What is Arithmetic Series

Mathematics
1 answer:
klio [65]3 years ago
4 0

Answer:

I am pretty sure it is when you have a sequence of numbers that you are subtracting or adding from by the same constant over and over

Step-by-step explanation:

an=a1+(n-1)d

d=common difference

an= the nth term in the sequence

a1 first term in the sequence. (Usually you can plug in 1, as the n, and work from there)

You might be interested in
5y=85 in simplest form
goblinko [34]
Hi there!

Great question! :D

We'll start by dividing both sides by 5.

It looks something like this:

\frac{5y}{5} =  \frac{85}{5}

x = 17

<span>So, y = 17
</span>
When in doubt of the answer, we substitute the variable for the 17 we got.

How?

Since a variable next to a number means to multiply, we'll set up our problem as a multiplication one.

5 × 17 = 85

This is a TRUE statement.

Hope this helps! :D
6 0
3 years ago
Read 2 more answers
Find the missing length of the triangles it’s OK if you can only do one
sammy [17]

Answer:

5) 9

6) 11 2/3

Step-by-step explanation:

Use the Pythagorean Theorem.

5)  a²+5.6²=10.6²

a²+31.36=112.36

a²=81

a=√81

a=9

6) a²+4²=12.3333²

a²+16=152.11111

a²=152.11111-16

a²=136.1111

a=√136.1111=11.6666

8 0
3 years ago
A rectangle's width is 5 feet less than its height. If the area of the rectangle is 564 square feet, what is its length, in feet
larisa86 [58]

We can set up an equation: x * (x + 5) = 564, where x is the length of the rectangle we are trying to solve. Using the quadratic formula to solve this, we eventually come up with approximately 21.38 as a value for x. We can verify this by typing 21.38 * (21.38 + 5) into a calculator and seeing that it approximately equals 564.

5 0
3 years ago
A construction firm is building a skyscraper, and the height of the skyscraper in yards and feet after certain numbers of days i
maksim [4K]

Answer:

idk i needddd helppp

Step-by-step explanation:

HELP ME

5 0
3 years ago
Read 2 more answers
How can we eliminate an imaginary from the denominator? Simplify 2/(3+5i) to demonstrate.
alexira [117]
Multiply by the conjugate and simplify
3/17 - 5i/17

Hope this helps! :)
7 0
3 years ago
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