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dedylja [7]
3 years ago
7

There are ways to find the area under a normal curve. True or false?

Mathematics
2 answers:
Mrrafil [7]3 years ago
7 0

Your answer would be false.

bulgar [2K]3 years ago
6 0

Answer:

I believe the answer is false. Good luck :)

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. If her allowance had stayed the same, $9.00 a month, how many carnival tickets could she bu
jarptica [38.1K]

Answer:

a) number of tickets she could buy in a month with her allowance in 2008 = 4 tickets

b) number of tickets she could buy in a month with the same allowance in 2012 = 2 tickets

c) $5, an increase of 55.56%

d) $2, a 100% increase.

e) Hallie was able to buy more tickets in 2008 than in 2012.

f) $16

Step-by-step explanation:

The complete question is presented in the attached image to this answer.

a) Halie's allowance monthly = $9

Price of a ticket in 2008 = $2

number of tickets she could buy in a month with her allowance = (9/2) = 4.5 = 4 tickets (since there are no half tickets)

b) Halie's allowance monthly = $9

Price of a ticket in 2012 = $4

number of tickets she could buy in a month with her allowance = (9/4) = 2.25 = 2 tickets (since there are no quarter tickets)

c) In 2012, Hallie's allowance was $14.00 per month. How much did her monthly allowance increase between 2008 and 2012?

Her monthly allowance in 2008 = $9

Her monthly allowance in 2012 = $14

The increase = new allowance - old allowance = 14 - 9 = $5

In percentage terms,

% increase = 100% × (new - old)/(old)

% increase = 100% × (14 - 9)/9 = 55.56%

d) How much more did a carnival ticket cost in 2012 than it did in 2008?

Price of a ticket on 2008 = $2

Price of a ticket in 2012 = $4

Increase in price = 4 - 2 = $2

% increase = 100% × (4 - 2)/2 = 100%

e) Was Hallie able to buy more carnival tickets in 2008 or in 2012 with one month's allowance?

Hallie was able to buy more tickets in 2008 than in 2012.

f) What would Hallie's allowance need to be in 2012 in order for her to be able to buy as many carnival tickets as she could in 2008?

Hallie could buy 4 tickets in 2008.

Price of a ticket in 2012 = $4.

Price of 4 tickets in 2012 = 4 × $4 = $16

Hope this Helps!!!!

3 0
2 years ago
Select all the correct answers.
madreJ [45]

Answer:

can i see an image?

Step-by-step explanation:

my bad for finnesing you and thinking there's an answer

7 0
3 years ago
Read 2 more answers
(4k^5-9k^4+k^3-7k^2-9k+28)/4k-5
vlada-n [284]

Answer:

=k6+ −9 /4  k5+ 1 /4  k4+  −7 /4  k3+  −9 /4  k2+7k−5

Step-by-step explanation:

7 0
3 years ago
Solve for 4(3+x) = 8​
azamat

Answer:

x=-1

Step-by-sx=-1tep explanation:

3 0
2 years ago
Read 2 more answers
The ratio of the number of dogs to the number of cats is 4:5. There are 270 animals on the rescue farm. The number of dogs is 4/
ale4655 [162]

Answer:

True

Step-by-step explanation:

In this question, we are expected to evaluate the validity of a particular proposition.

To evaluate this validity, what we do is that we check if the calculations as projected on the question are correct.

Let’s proceed!

Number of dogs to cat ratio = 4:5

Number of animals is 270;

Number of dogs will be 4/9 * 270 = 120

Number of cats will be 5/9 * 270 = 150

Now let’s check if the number of dogs is 4/5 that of cats.

Obviously 4/5 * 150 = 120

This makes true, the statement

4 0
3 years ago
Read 2 more answers
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