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saul85 [17]
3 years ago
13

Name the property of equality that justifies the statement if a equals b then b equals a

Mathematics
1 answer:
SpyIntel [72]3 years ago
3 0
That would be the commutative property
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4. Name the first five terms of the arithmetic sequence. a1 = -35, d=4​
eduard

Answer:

Step-by-step explanation:

We first have to write the equation for the sequence, then finding the first five terms will be easy. Follow the formatting:

a_n=a_1+d(n-1) and we are given enough info to fill in:

a_n=-35+4(n-1) and

a_n=-35+4n-4 and

a_n=-39+4n or in linear format:

a_n=4n-39 where n is the position of the number in the sequence. We already know the first term is -35.

The second term:

a_2=4(2)-39 so

a_2=8-39 and

a_2=-31

The third term:

a_3=4(3)-39 and

a_3=12-39 so

a_3=-27 and we could go on like this forever, but the nice thing about this is when we know the difference all we have to do is add it to each number to get to the next number.

That means that the fourth term will be -27 + 4 which is -23.

The fifth term then will be -23 + 4 which is -19. You can check yourself by filling in a 5 for n in the equation and solving:

a_5=4(5)-39 and

a_5=20-39 so

a_5=-19

7 0
3 years ago
Plz help me plzzzzzzzzzz
Effectus [21]

Answer:

I think the answer is 7;

Step-by-step explanation:

All i did was subtract Q11 from all 4 of its sides;

11=4=7

7 0
3 years ago
The LCM of 42, 63, and 84 is​
frozen [14]

3| 42 , 63 , 84

7| 14 , 21 , 28

1| 2 , 3 , 4

2 × 3 × 4 × 7 × 3 = 504

5 0
2 years ago
Gkhoflkhlxrtuu;tdu8rp5[\78u
dybincka [34]

Answer:

What???

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Function k squares the sum of the input, w, and 3.
alisha [4.7K]

9514 1404 393

Answer:

  k(w) = (w +3)²

Step-by-step explanation:

The name of the function is k, and its input is w, so the left side of the equal sign will be ...

  k(w)

This is said to be the square of the sum w+3, so the right side of the equal sign will be ...

  (w +3)²

The function equation in function notation is ...

  k(w) = (w +3)²

7 0
3 years ago
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