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damaskus [11]
2 years ago
7

Can someone help me with these questions please and thank you.

Mathematics
2 answers:
SashulF [63]2 years ago
8 0

Answer:

Step-by-step explanation:

1 you divide the 32 by 2 to get the first one.

32/2 is 16 so 16 plus 31 is 48 then you write down that then you add 48 plus 16 then it would 64 then you keep adding 16 until you get 128 and write down how many times you did that

CaHeK987 [17]2 years ago
7 0

Answer: 1st is 16 2nd is 48 the 3rd one is 8

Step-by-step explanation:

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irakobra [83]
First one is 14
Second one is 45
Third one is 43
Fourth one is 40
8 0
3 years ago
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Describe and correct the error in finding the tenth term of the arithmetic sequence 4, 12, 20, 28.
ycow [4]

Answer: The tenth term is 76

=======================================================

Explanation:

We use this arithmetic sequence formula to get the nth term

a_n = a_1 + d(n-1)

Plug in a_1 = 4, \ d = 8, \ n = 10 and you should get the following:

a_n = a_1 + d(n-1)\\\\a_{10} = 4 + 8(10-1)\\\\a_{10} = 4 + 8(9)\\\\a_{10} = \textbf{76}\\\\

The tenth term is <u>76</u>

---------

We can verify this by listing out the terms one by one. Start at 4, add on 8 each time, until you generate the 10th term. A table like the one shown below is a good way to keep track of all the terms.

\begin{array}{c|c}\boldsymbol{n} & \boldsymbol{a_n}\\1 & 4\\2 & 12\\3 & 20\\4 & 28\\5 & 36\\6 & 44\\7 & 52\\8 & 60\\9 & 68\\10 & \textbf{76}\\\end{array}

---------

In short, the error is with the "10" in the expression 4+10(8). The student should have used 9 instead. This is because of the n-1 term in a_n = a_1 + d(n-1) which shifts everything one spot to the left.

7 0
2 years ago
Graph the function r(x) = -1/4 |x|
Free_Kalibri [48]
Here is your function graphed

8 0
3 years ago
The diagram shows the distance
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2 years ago
A coordinate plane with a line passing through (negative 4, 3), (0, 1), and (4, negative 1). Which linear function is represente
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Answer:

Step-by-step explanation:

If these 3 points are collinear, then we can find the slope of the linear function using any 2 of those points.  Suppose we use (-4, 3) and (0, 1):  

As we move from (-4, 3) to (0, 1), x increases by 4 and y decreases by 2.  Hence, the slope of this lilne is m  = rise/run = -2/4, or m = -1/2.

Using the slope-intercept formula y = mx + b and replacing y with 1, x with 0 and m with -1/2, we get:

1 = (-1/2)(0) + b, or b = 1.  Then the desired equation is y = f(x) = (-1/2)x + 1

8 0
3 years ago
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