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just olya [345]
3 years ago
15

Ok So I an taking algebra 1 and this question is really confusing me.

Mathematics
1 answer:
V125BC [204]3 years ago
7 0
You use the arithmetic sequence formula and input the information given to you.
tn = a + (n-1)d
t(56) is what your looking for so don't worry about the tn.
a is your first term,
a = 15.
n is the position of the term you are looking for, n = 56.
And d is the common difference, you find this by taking t2 and subtracting t1. t2=18 and t1=15.
d = 18 - 15 = 3
Inputting it all into the formula you get,
t(56) = 15 + (56-1)(3)
term 56 = 180.
You use this formula to find any term in a sequence provided you are given enough info. You can also manipulate it if you are asked to find something else like the first term(a), common difference(d) or term position(n). It just depends on what the question is asking and what information you are given. :)
Hope this helps!

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Which of the following is not a way to represent the solution of the inequality 2(x − 1) greater than or equal to −12?
grandymaker [24]
2(x - 1) > = -12
2x - 2 > = -12
2x > = -12 + 2
2x > = -10
x > = -10/2
x > = -5 or -5 < = x

wrong solution would be B. x less then or equal to -5....because x is greater then or equal to -5


5 0
3 years ago
Help this is literally due tomorrow​
Margarita [4]

This is a trick question. They eat 1/3 of the gallons given. Multiply

1/3 * 1/3 = 1/9 gallons or 0.111 gallons

5 0
2 years ago
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4 0
1 year ago
Hey, can yall answer this pls?<br> 1 7/8÷3/4<br> thanks!
jenyasd209 [6]

Answer:

IT WOULD BE 2.5 IN decimal form or it would be 5/2 and it is equivalent to 2 and 1/2

Step-by-step explanation:

7 0
3 years ago
Solve the problem.
Ira Lisetskai [31]

The width of rectangle is 30, and the length is 69.

<h3>What is Rectangle?</h3>

A rectangle is a quadrilateral. The opposite sides of a rectangle are equal and parallel to each other. The interior angle of a rectangle at each vertex is 90°. The sum of all interior angles is 360°. The diagonals bisect each other.

Here, lets say x is equal to the width of the room

then, that means the length is (9+2x) So,

              198 = 2x+2(9+2x)

Using the distributive property, we know that

                 2(9+2x)=18+4x

If you don't know what that is, then go search it up :/

so,

               198 = 2x+18+4x

                198=6x+18

                 180=6x

                  30=x

Now, we know that the width is 30,

That means the length is 60+9, Which is 69.

Thus, the width of rectangle is 30, and the length is 69.

Learn more about Rectangle from:

brainly.com/question/15019502

#SPJ1

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2 years ago
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