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UNO [17]
2 years ago
8

I take another picture for question

Mathematics
1 answer:
kenny6666 [7]2 years ago
6 0
The first one is correct, the answer is 6/12.

The second is correct, the greatest is 12,926 and the least is 12,409.

The sum of all three is 38239. Be more careful with questions like those and check your answers! 

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What’s the answer <br> A. 2<br> B.4<br> C.6<br> D. 12
Firdavs [7]
The Answer is C) 6 I believe
3 0
2 years ago
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Simplify the expression 8−(−2)/7−12
Ymorist [56]

(8−(−2))/7−12

10/-5

-2



3 0
3 years ago
Brian Vanecek, VP of Operations at Portland Trust Bank, is evaluating the service level provided to walk-in customers. According
77julia77 [94]

Answer: (14.18, 15.08)

Step-by-step explanation:

Given : Sample size : n= 64

Sample mean : \overline{x}=15

Standard deviation : \sigma=4

Significance level : \alpha: 1-0.90=0.1

Critical value : z_{\alpha/2}=1.645

The confidence interval for population mean is given by :-

\overline{x}\pm\ z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}\\\\=15\pm(1.645)\dfrac{4}{\sqrt{64}}\\\\\approx15\pm0.82\\\\=(14.18,\ 15.08)

Hence, the 90% confidence interval for the population mean of waiting times is (14.18, 15.08).

8 0
3 years ago
WILL GIVE 98 POINTS!!!! NOT PLAYING!!!!!!! WILL MARK BRAINLIEST!!!!!!!! + THANKS AND 5 STAR RATING!!!!!!!! JUST ANSWER ALL QUEST
just olya [345]

Answer:The first one is 2.333333333

Step-by-step explanation:Simplifying

5(2 + -1j) + (2j + -3) = 0

(2 * 5 + -1j * 5) + (2j + -3) = 0

(10 + -5j) + (2j + -3) = 0

Reorder the terms:

10 + -5j + (-3 + 2j) = 0

Remove parenthesis around (-3 + 2j)

10 + -5j + -3 + 2j = 0

Reorder the terms:

10 + -3 + -5j + 2j = 0

Combine like terms: 10 + -3 = 7

7 + -5j + 2j = 0

Combine like terms: -5j + 2j = -3j

7 + -3j = 0

Solving

7 + -3j = 0

Solving for variable 'j'.

Move all terms containing j to the left, all other terms to the right.

Add '-7' to each side of the equation.

7 + -7 + -3j = 0 + -7

Combine like terms: 7 + -7 = 0

0 + -3j = 0 + -7

-3j = 0 + -7

Combine like terms: 0 + -7 = -7

-3j = -7

Divide each side by '-3'.

j = 2.333333333

Simplifying

j = 2.333333333

3 0
2 years ago
2(x - 4) + 2x = -6x – 2
monitta

Answer:

x= 0.6  

Step-by-step explanation:

7 0
3 years ago
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