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denis-greek [22]
3 years ago
10

Solve for x: −3|x − 3| = −6

Mathematics
2 answers:
Anit [1.1K]3 years ago
7 0
For |a|=b solve for a=b and a=-b

divide both sides by -3
|x-3|=2
solve
x-3=2 and x-3=-2
add 3 to both sides
x=5 and x=1


B is answer
Free_Kalibri [48]3 years ago
6 0
-3 | x - 3| =6
the value of '6' can be a negative
-3| x - 3 = -6
Lets multiply by -1 to find your answer
3 | x - 3 | = 6
×-1. × -1
--- ----

3(-1) = -3
6(-1) = -6

3(x) - 3 = 6
3(3) = 9
3(x) - 9 = 6

Change up the problem: 3(x) = 15

First solution: 5
Second solution: 1

So, therefore your answer would be: x = 1 ; x = 5 (option B.) Since that's the closest to your outcome

Good luck!

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The probability of randomly drawing a red card from a bag that contains red, blue, and green cards is 3/10. What is the probabil
Katarina [22]
If the probability of drawing a red card is 3/10, then if we take this fom a whole, 10/10, we can find the probability of not choosing a red card.
10/10-3/10=7/10

The probability of not drawing a red card is 7/10 or 70%.
7 0
3 years ago
A ship tracked for 4 hours heading south and for 5 hours heading west. If the total distance traveled was 191 miles and the ship
Lyrx [107]
Given that the ship was traveling for 4 mph faster heading west than south then let the speed of the ship heading south be x mph, the speed of the ship heading west will be (x+4) mph
the distance is given by:
distance=speed*time
distance heading south was:
x*4=4x miles
distance heading west was:
5(x+4)=5x+20
thus the total distance will be given by:
4x+(5x+20)=191
9x+20=191
9x=191-20
9x=171
x=171/9
x=19 mph
the speed the ship used to travel west was:
x+4
=19+4
=21 mph

7 0
4 years ago
A publisher reports that 55% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is
Irina18 [472]

Answer:

We fail to reject the null hypothesis, we accept H₀

Step-by-step explanation:

Population proportion        p₀   =  55 %    p₀   =  0,55

Sample  size         n  =  280

Sample mean     p =  51 %            p =  0,51       q = 0,49

n*p   and  n*q   are both bigger than 10 therefore we can approximate the binomial distribution to a normal distribution

Test  Hypothesis

Null Hypothesis                             H₀                   p   =  p₀

Alternative Hypothesis                Hₐ                    p   ≠  p₀

Significance level is  α  = 0,05    but we have a two-tail test then

α/2  =  0,025

z(c)  =  - 1,96

Computing  z(s)

z(s)  =  ( p - p₀ ) / √(p*q)/n

z(s)  =  ( 0,51 - 0,55 ) / √(0,51*0,49)/280

z(s)  =  - 0,04 * 16,73 / 0,5

z(s)  =  -  1,34

Comparing

z(s)   and z(c)

- 1,34    <    - 1,96

| z(s) | < | z(c)|

Then z(s) is in the acceptance region,  we accept H₀

6 0
3 years ago
Prime number between 10 and 20 The number has 26 as multiple
Soloha48 [4]
A prime number between 10 and 20 is 13 because if u divide 26 by 2 u get 13

6 0
3 years ago
Read 2 more answers
Will give brainliest!! Please help!!
nlexa [21]
The probability would be 2/8 or 25%
3 0
3 years ago
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