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OverLord2011 [107]
2 years ago
5

Rob and his family ordered a meal that cost $100. Rob paid 4% sales tax and left an 18% tip on $100. What was the total cost

Mathematics
2 answers:
jek_recluse [69]2 years ago
7 0

Answer:

121$

Step-by-step explanation:

Reptile [31]2 years ago
7 0

Answer:

$122

Step-by-step explanation:

4% × 100 = 4

Including tax = $104

100 increase 18% =

100 × (1 + 18%) = 100 × (1 + 0.18) = 118

Including tax and tip = $122

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A hotel has 30 floors with 40 rooms per floor. The rooms on one side of the hotel face the water, while rooms on the other side
Ket [755]

A) Choosing a <em>stratified random sample</em> might be preferable to an <em>SRS </em>because;

<em><u>Stratified random sampling would divide the population into stratas but the </u></em>

<em><u>SRS would not do so. The strata would be the type of room namely those </u></em>

<em><u>with water view and those with golf view.</u></em>

B) The reason why a cluster sample would be a simpler option is because;

<u><em>It will divide the population into multiple clusters that makes it easier to </em></u>

<u><em>work with unlike the SRS that generalizes. The clusters would be each of </em></u>

<u><em>the 30 floors.</em></u>

We are told that the manager wanted to select 120 rooms and carry out a survey on each registered guest by asking how satisfied they were with the hotel. He decided to use a sampling method called SRS which means Simple Random Sampling.

Simple random sampling is defined as a sampling method where individuals or objects are selected randomly from a population thereby given each person or object an equal chance of selection.

A) Stratified Random sampling is a method of sampling that divides the population into smaller groups known as objects/stata. In this case Stratified random sampling would be preferred to SRS because the hotel rooms are divided into two types namely those that can view the water and those that can view the golf course and as such the Stratified random sampling would divide the population but the SRS would not do so.

B) Cluster sampling is when the population is divided into multiple groups known for assessment. The reason why it would be a simpler option is because there are 30 floors and they can be classified as clusters and surveyed per floor.

Read more at; brainly.com/question/15932504

7 0
3 years ago
Try to figure out this riddle : An eight-digit number contains two 1's, two 2's, two 3's, and two 4's. The 1's are separated by
lord [1]
It should be 23421314
6 0
3 years ago
Attachment mathswatch!!!!!!!!!!!!!
SSSSS [86.1K]

Answer:

a) = Slope of line AB = 1/2

<h2><em><u>Perpendicular = -2</u></em></h2>

<h2>b) <em><u>y = -2x + 6</u></em></h2><h2 />

Step-by-step explanation:

a) When it is perpendicular the answer will be positive if the initial value is negative. If it is a whole number, then the perpendicular number is going to be a fraction. The opposite applies.

b) Slope = -2x

   intercept = ?

y = -2x + b

0 = -6 + b

+6  +6

b = 6

<em><u>y = -2x + 6</u></em>

7 0
3 years ago
Read 2 more answers
Graph the image of the given triangle after the transformation that has the rule (x, y)→(x−5, y+6)
alexandr1967 [171]

Here is the cords:

(-2,-7) = (-7,-1)

(-1,-4) = (-6,2)

(5,-6) = (0,0)

4 0
3 years ago
Read 2 more answers
Each<br>angles<br>of<br>an equilateral<br>traingle is 60, proove it<br>experimentally<br>​
MArishka [77]

Answer:

True

Step-by-step explanation:

We knwo this is true because a triangle angle theorem is that the sum of the angles in a triangle is equal to 180 degrees.

Since tri = 3 then,

=> 180/3 = 60

Equal = same --> def. of equilateral triangle

Thus, we know it is true that in an equilateral triangle, each angle is 60 degrees

Hope this helps!

5 0
3 years ago
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