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Hunter-Best [27]
3 years ago
5

-5 (x-1)-x+1 = -18 help please​

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
4 0

Answer:

The value of x is 4.

Step-by-step explanation:

-5(x-1)-x+1= -18

or, -5x+5-x+1=-18

or, -6x+6= -18

or, -6(x-1)=-18

or, x-1=3

or, x=4

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The sum of the sales amounts is $3,559.07. Dan's commission is ...

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3 years ago
How many wholes are there in 71/8 in a fraction
kipiarov [429]
There would be 8 whole(s) in total.
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3. Suppose the mystery bag had resulted in the following number of red chips. Using the simulated sampling distributions found e
Vinvika [58]

Answer:

a) 0.172

b) 0.167

c) 0.1404

Step-by-step explanation:

Margin of error, E = 2\times\sqrt{\frac{p(1-p)}{n}}

here,

p = probability of the event

n = sample size

a) n = 30

p = 10 ÷ 30 = 0.333

Therefore,

E = 2\times\sqrt{\frac{0.333(1-0.333)}{30}}

= 2 × 0.0861

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b)  n = 30

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c) n = 30

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Therefore,

E = 2\times\sqrt{\frac{0.44(1-0.44)}{50}}

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3 0
3 years ago
The ratio of male to female students in a junior high
nalin [4]

the total no of population=1650

13:17 first add the two numbers 13+17=30

then 13/30×y =715 , i make 13 at the numerator because it's males ratio

after that 30/13×13/30y =715 ×30/13

y =715×30/13

y =1650

after u find the total no it's simple to find the no of females

17/30×1650=935

8 0
3 years ago
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