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SCORPION-xisa [38]
3 years ago
10

Karen used 186 digits to number a book from page 4 to the end. What is the number of the last page?

Mathematics
2 answers:
babunello [35]3 years ago
7 0

Answer:

it's 46.5

Step-by-step explanation:

because divide 186 by 4 and it equals to 46.5

Nat2105 [25]3 years ago
3 0

Answer

46

Step-by-step explanation:

186 divied by 4 = 46.5

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Pls help, easy geometry question
Lemur [1.5K]

x^2 + y^2 + 2x - 6y + 1 = 0

x^2 +2x + 1 + y^2 - 6y = 0

x^2 + 2( x × 1) + 1^2 + y^2 - 2(y×3) + 3^2 -3^2 =0

(x+1)^2 + (y-3)^2 = 3^2

comparing with circle equation

(x-a)^2 + (y - b)^2 = r^2

where (a , b) is centre of circle.

so we get center of circle is

(-1, 3)

3 0
3 years ago
Read 2 more answers
What is the value of x?<br>45°<br>( 2x-5)°​
AlekseyPX

(2x - 5)° + 45° = 180°

2x° + (-5 + 45)° = 180°

2x° + 40° = 180°

2x° = 180° - 40°

2x° = 140°

x° = 140 ÷ 2

x° = <u>7</u><u>0</u><u>°</u>

So, the value of x is 70°

<em>Hope it helps and is useful</em><em> </em><em>:</em><em>)</em>

5 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
The sum of two numbers is 12 and their difference is 4. What are the two<br> numbers?
guapka [62]

Answer:

<u>8 and 4</u>

Step-by-step explanation:

8 + 4 = 12

8 - 4 = 4

4 0
3 years ago
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What is the slope of the line that passes through the points (-6,8) and (-16,33)? write your answer in the simplest form
MrRa [10]

Answer:

slope or m= -5/2

Step-by-step explanation:

7 0
3 years ago
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