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Katarina [22]
3 years ago
12

Write 5x^2 with out exponents ​

Mathematics
2 answers:
Zigmanuir [339]3 years ago
8 0

Answer:

5 * x * x.

Step-by-step explanation:

bixtya [17]3 years ago
6 0

Answer:

5x*5x=25^2=25x*25x=625x*625x

Step-by-step explanation:

First, 5x^2= 5x*5x. But, we can simplify this even more. It equals 25x^2 which is equal to 25x*25x. 25*25=625 but we still need the x's. So it would be 625x*625x idk it might be wrong

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What is the estimated margin of error, using standard deviation?
OLEGan [10]
Find the mean ( average):
105 + 104 + 110 + 112 + 114 + 106 + 108 +109 = 868
Mean = 868 / 8 = 108.5

Standard deviation:
108.5 - 105 = 3.5, 3.5^2 = 12.25
108.5 - 104 = 4, 4^2 = 16
110 - 108.5 = 1.5, 1.5^2 = 2.25
112 - 108.5 = 3.5, 3.5^2 = 12.25
114 - 108.5 = 5.5, 5.5^2 = 30.25
108.5 - 106 = 2.5, 2.5^2 = 6.25
108.5 - 108 = 0.5, 0.5^2 = 0.25
109 - 108.5 = 0.5, 0.5^2 = 0.25

12.25 + 16 +2.25 + 12.25 + 30.25 +6.25+0.25+0.25 = 79.75
79.75/8 = 9.96875, SQRT(9.96875) = 3.1573

Standard Deviation = 3.1573

108.8 +/- 1.96 *(3.1573/sqrt(8) = 110.687 and 106.312

110.687 - 108.5 = 2.19
108.5 - 106.312 = 2.19
 

Margin of error = +/- 2.19



3 0
3 years ago
Given f(x)=4x^3-3x^2+10 use the remainder theorem to find f(-2)
ozzi
To do this, you would need to use synthetic division.

-2 | 4 -3 10
-8 22
4 -11 32

Your reminder would be 32.

Sorry if my graph of synthetic division is a bit messy, you can only do so much on a phone!
8 0
3 years ago
I don’t understand how to do this problem and get all the other answers, if you can help me that would be great!
Alecsey [184]

Answer:

Step-by-step explanation:

You can’t just substitute 0 for θ. 0 is a constant, not a variable.

secθ = -13/5

cosθ = 1/secθ = -5/13

sin²θ = 1 - cos²θ = 144/169

sinθ = -12/13

cscθ = 1/sinθ = -13/12

tanθ = sinθ/cosθ = 12/5

cotθ = 1/tanθ = 5/12

8 0
3 years ago
Helppppppp meeeeeeeee​
juin [17]
Pretty sure it’s 148.10% because ofc it’s 100% and then 468-152=152 . Then 152 is 48.10 % of 316 so add that to the 100%
7 0
2 years ago
What is the value of 4 + 23. 3? Show your work.​
I am Lyosha [343]

Answer:

27.3

Step-by-step explanation:

    4

  <u>23.3</u>  +

  27.3

You can align the numbers over each other and simply add them.

6 0
2 years ago
Read 2 more answers
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