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GrogVix [38]
3 years ago
5

I need help on two questions. It's for an assignment but idk what to do, pls help. The assignment is on Absolute Value functions

, Equations, and Inequalities. I will mark brainliest to the one to explain it and show work, I really want to understand it...
Question 1:
Solve,
2|2x-1|-2=12


Question 2:
Solve,
4|x-5|+3>23
Mathematics
1 answer:
tester [92]3 years ago
6 0

Answer:

part 1;   x=4,−3

part 2: im not sure

x < 0  or  x > 10

Step-by-step explanation:

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Answer:

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In a sample of 679 new websites registered on the Internet, 42 were anonymous (i.e., they shielded their name and contact inform
Semmy [17]

Answer:

95% Confidence interval:  (0.0429,0.0791)      

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 679

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\hat{p} = \dfrac{x}{n} = \dfrac{42}{679} = 0.0618

95% Confidence interval:

\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

z_{critical}\text{ at}~\alpha_{0.05} = \pm 1.96

Putting the values, we get:

0.0618\pm 1.96(\sqrt{\dfrac{0.0618(1-0.0618)}{679}}) = 0.0618\pm 0.0181\\\\=(0.0429,0.0791)

is the required confidence interval for proportion of all new websites that were anonymous.

8 0
3 years ago
Question 1 What is the x-coordinate of the point in the standard (x, y) coordinate plane at which the lines y = 2x + 6 and y = 3
raketka [301]

Answer:adsfsaffkfhsadfs

Step-by-step explanation:

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3 0
3 years ago
Does the area of a square vary with the side length?
Darina [25.2K]
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3 years ago
Hello please help help
irinina [24]

9514 1404 393

Answer:

  48°

Step-by-step explanation:

ΔACB is isosceles, so angles A and B have the same measure. The measure of angle C in that triangle is ...

  ∠C = 180° -2(69°) = 42°

Angle C in ΔCDE has the same measure. Angle D is the complement of that:

  ∠D = 90° -42° = 48°

_____

The relations we used are ...

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3 years ago
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