6 Kay sees a jacket in New York costing $170. She knows the same jacket costs £132 in London.Using the exchange rate £1 = $1.30, work out in which place the jacket is cheaper and by how much. Show all stages of your working out.

Answers

Answer 1
Answer: The
A swear
Is
Uk beacause it’s cheap

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The number of yards of fabric needed for Robs costume is (7/8+1/2+1 3/4)÷2. How does the amount of fabric needed for Robs costume compare to the amount needed for jimmys costume ?Explain

Answers

The amount of fabric needed for Jimmy's costume is not stated, we can only determine the amount needed for Rob's costume, which makes it impossible to compare the amounts needed for both of their costumes. If this omission was an error, then you can find the difference between these amounts if the amount needed for Jimmy's costume is stated explicitly.

Step-by-step explanation:

The number of yards of fabric needed for Robs costume is (7/8+1/2+1 3/4)÷2

Assuming 1 3/4 is a mixed fraction.

= (7/8 + 1/2 + 7/4) ÷ 2

= (7 + 4 + 2) ÷ (8 × 2)

= 13/16 yards

Suppose 2 yards of fabric is needed for Jimmy's costume, then comparing with Rob's yards, we see that Jimmy's costume requires (2 - 13/16 = 19/16) more yards than Rob's costume.

1. 9 students volunteer for a committee. How many different 6-person committees can be chosen?Choose one answer.
a. 1
b. 362,880
c. 60,480
d. 84
2. Identify the sampling method.

You want to determine the number of text messages students at your school make in a month. You randomly ask everyone in each of your classes.
Choose one answer.
a. random
b. systematic
c. stratified
d. none of these

Answers

2. A 

becasue it say that you randomly ask everyone

The angle measure in degrees that corresponds to 7/10 of a circle is

Answers

Answer:

252\°

Step-by-step explanation:

we know that

The complete circle subtends a 360\°

so by proportion

Find how many degrees corresponds to 7/10 of a circle

(360)/(1)(degrees)/(circle) =(x)/((7/10))(degrees)/(circle) \n \nx=(7/10)*360\n \nx= 252\°

a circle contains 360º

180º = π radians

Why can't you make these simple calculations and conversions ??

(7/10) * (360) = 252º

252º/180º = x radians / π radians
solve for x...do something !!

[7π/5 radians ]

The minute hand of a clock is 9.5cm long. How far will the hand travel in one day, to the nearest meter

Answers

136.8 meter, or 137 meters

Work:

60 minutes x 24 hours =
1,440 minutes in a day

1,440 minutes x 9.5 cm =
13,680 centimeters

13,680 cm = 136.8 meters // 137

In general, the median of a data set is less resistant to outliers than the mean. A. True B. False

Answers

A. true, the median of a data set is less resistant to outliers than the mean

Answer:

FALSE  is the correct answer

Step-by-step explanation:

Prices were recorded for all the loaves of bread in a supermarket, the mean price for a loaf of bread was $1.37 with a standard deviation of $0.67, Find the probability that if 13 loaves are selected the mean price is less than $1.00. A 0.0032


B 0.5643


C 0.9105


D 0.0233

Answers

Answer:

z = (1-1.37)/((0.67)/(√(13))) = -1.991

And we want this probability:

P(z<-1.991)

And using the normal standard distribution or excel we got:

P(z<-1.991)= 0.0233

And the best option would be:

D 0.0233

Step-by-step explanation:

For this case we have the following parameters:

\mu = 1.37, \sigma =0.67

And we select a sample size of n=13. And we want to find this probability:

P(\bar X <1)

We can assume that the distribution for this case is normal and then we can use the z score formula given by:

z= (\bar X -\mu)/((\sigma)/(√(n)))

And if we replace the data given we got:

z = (1-1.37)/((0.67)/(√(13))) = -1.991

And we want this probability:

P(z<-1.991)

And using the normal standard distribution or excel we got:

P(z<-1.991)= 0.0233

And the best option would be:

D 0.0233