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DerKrebs [107]
3 years ago
9

The answers of this question

Mathematics
1 answer:
Delicious77 [7]3 years ago
6 0

Answer:

1. 1/2 × 7 × 6 = 21

answer is b. 21 cm²

2. answer is d. 3

3. answer is c

4. answer is b

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The district manager of four different restaurants wanted to investigate whether the four restaurants differed with respect to c
Alex_Xolod [135]

Answer:

<em>Hello your question is incomplete attached below is the complete question</em>

answer : There is not convincing statistical evidence to suggest that the proportion of customers who order dessert at each restaurant is not the same based on family classification. ( E )

Step-by-step explanation:

To arrive at this conclusion we will determine the Null and alternate hypothesis

<em>H0 : Number that orders dessert is same based on family classification given</em>

<em>Ha : Number that orders dessert is not the same based on family classification given </em>

from the question the p-value of Chi-square test is 0.092 > 0.05 hence we will fail to reject the null hypothesis. therefore we can conclude that

There is not convincing statistical evidence to suggest that the proportion of customers who order dessert at each restaurant is not the same based on family classification

5 0
3 years ago
A satellite television company charges a one-time installation fee and a monthly service charge. The total cost is modeled by th
Marat540 [252]
<span>(2) y is the total cost, x is the number of months of service, $40 is the installation fee, and $90 is the service charge per month.</span>
y = 40 + 90x

y = total cost
x = number of months of service
40 = one time installation fee
90 = monthly service charge.

Let us assume that the number of months of service is 10 months. then, the total cost would be:

y = 40 + 90(10)
y = 40 + 900
y = 940
5 0
3 years ago
How can i draw this?
mylen [45]
The green arrow thing is a ray. So, question b. is a ray. So the dot would be B and the arrow would be C. 

3 0
3 years ago
I need some help please
igor_vitrenko [27]
The answer I got to this was 2.3 but I don't know if that's correct. 
8 0
3 years ago
Betty can drive her car 400 miles at a steady speed using 20 gallons of gasoline. at this rate how many gallons of gas will she
ch4aika [34]

Answer:

80 gal

Step-by-step explanation:

20 gal takes her 400 mi

Vol. of gas = 1600 ×20/400

Vol. of gas = 1600 ×1/20

Vol. of gas = 80 gal

Betty will use 80 gal of gas.

6 0
3 years ago
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