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docker41 [41]
2 years ago
11

8 Cakes cost £4.00 how much 3 cakes cost?

Mathematics
2 answers:
Bogdan [553]2 years ago
8 0
Well 8 cakes is 4.00 so that means each cakes is .50 right? so .50*e is 1.50
Diano4ka-milaya [45]2 years ago
4 0
8 cakes ... £4.00
3 cakes ... £x = ?

If you would like to know how much 3 cakes cost, you can calculate this using the following steps:

8 * x = 3 * 4
8 * x = 12    /8
x = 12/8
x = £3/2 = £1.5

Result: 3 cakes cost £1.5.
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A scale of 0.5 inches to 2 feet was used for a model of the goal posts on a football field. If the model was 1 1/2 in high and 5
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What is 55%<br> of 1342?
Temka [501]

Answer:

738.1

Step-by-step explanation:

What is 55% of 1342?

738.1

Hope it helped brainiest plz and thank you!!!!!!!

8 0
2 years ago
Read 2 more answers
Select True or False from each pull-down menu, depending on whether the corresponding statement is true or false.
Schach [20]

Answer:

1) FALSE

2) FALSE

3) TRUE

4) TRUE

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Part 1

The mean and standard deviation of a normally distributed random variable which has been standardized are one and zero, respectively.

The mean and the deviation for  the normal standard distribution are:

\mu=0, \sigma =1

So then that's FALSE.

Part 2

Using the standard normal curve, the z−score representing the 10th percentile is 1.28.

We are looking for a value a, that satisfy this:

P(X>a)=0.90   (a)

P(X   (b)  

We can find a z value that satisfy the condition with 0.10 of the area on the left and 0.90 of the area on the right it's z=-1.28. On this case P(Z<-1.28)=0.10 and P(Z>-1.28)=0.90

So that's FALSE.

Part 3

Let z1 be a z−score that is unknown but identifiable by position and area. If the symmetrical area between −z1 and +z1 is 0.9544, the value of z1 is 2.0

If we find this probability:

P(-2.0< Z

So on this case we can approximate to 0.9544. And that's TRUE.

Part 4

Using the standard normal curve, the z−score representing the 75th percentile is 0.67.

We are looking for a value a, that satisfy this:

P(X>a)=0.25   (a)

P(X   (b)  

We can find a z value that satisfy the condition with 0.75 of the area on the left and 0.25 of the area on the right it's z=0.67. On this case P(Z<0.67)=0.75 and P(Z>0.67)=0.25

So that's TRUE.

3 0
3 years ago
After how many hours was the temperature at<br> 20 degrees F? Enter only the number.
enyata [817]

Answer:

65

Step-by-step explanation:

5 0
2 years ago
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