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katrin2010 [14]
3 years ago
5

Duo makes 65% of his dumplings with vegetarian fillings.

Mathematics
1 answer:
Ymorist [56]3 years ago
5 0
13/25 because I got the answer right
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The variable x and y vary directly. Write an equation that relates x and y. Then find y when x = 12.
EastWind [94]

Answer:

24

Step-by-step explanation:

   y=kx

at (4, 8):  8 = 4k  ⇒  k = 2

So  y=2x

when x=12, y=2 \times 12=24

5 0
2 years ago
A bank wants to estimate the difference in the proportion of its "big" customers who have a second account with a different bank
In-s [12.5K]

Answer:

Kindly check explanation

Step-by-step explanation:

To construct confidence interval for difference in proportion ; the following conditions must be met :

1.) The selected samples must have been randomly chosen or selected from a larger population. This is essential in other to eliminate bias.

Each group of samples must be independently chosen. That is, the samples of bug customers chosen must be independent of the sample of small customers selected.

The population from which the samples are drawn must be considerably larger than the sample size. Sample size, n should be ≤ 10% of the population size.

p1 = 160 / 200 = 0.8 ; (1 - p1) = 0.2

p2 = 120 / 300 = 0.4 ; (1 - p2) = 0.6

(p1 - p2) ± Zcritical * sqrt[(p1(1 - p1) /n1) + (p2(1 - p2) / n2)]

5 0
2 years ago
For what value of b in the equation (2z + b)(z − 3) = 0 will a solution for z be −4?
bazaltina [42]
( - 8 +  b )( - 4 - 3 ) =  0;
( - 8 + b )( - 7 ) = 0 ;
-8 + b = 0;
b = 8.
7 0
3 years ago
Jeanine paid an annual premium of $1,200 in total liability coverage for her car, including up to $400,000 in bodily injury cove
Vinil7 [7]

The answer is B- Yes, the cost of the annual premium for 12 years was less than the accident claims.

3 0
3 years ago
A baby weighed 7.25 pounds at birth. At the end of 8 months, the baby weighed 212
Vinil7 [7]

Answer:

1537pounds

Step-by-step explanation:

Given parameters:

  Weight of baby at birth  = 7.25 pounds

   

Unknown:

Weight at the end of 8months = ?

Solution:

 From the second sentence;

    Weight at the end of the eighth month = 212 x weight at birth.

Input the parameters and solve;

  Weight at the end of eighth month = 212 x  7.25  = 1537pounds

7 0
3 years ago
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