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Sveta_85 [38]
3 years ago
5

Jake spent $60 on prizes for the school carnival. Each prize cost $6. He also bought 30 stickers to donate. How many items did J

ake take to the carnival?
Mathematics
1 answer:
cluponka [151]3 years ago
6 0

Answer:

i do not no

Step-by-step explanation:

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Assume the hold time of callers to a cable company is normally distributed with a mean of 5.5 minutes and a standard deviation o
Ierofanga [76]

Answer:

The percent of callers are 37.21 who are on hold.

Step-by-step explanation:

Given:

A normally distributed data.

Mean of the data, \mu = 5.5 mins

Standard deviation, \sigma = 0.4 mins

We have to find the callers percentage who are on hold between 5.4 and 5.8 mins.

Lets find z-score on each raw score.

⇒ z_1=\frac{x_1-\mu}{\sigma}   ...raw score,x_1 = 5.4

⇒ Plugging the values.

⇒ z_1=\frac{5.4-5.5}{0.4}

⇒ z_1=-0.25  

For raw score 5.5 the z score is.

⇒ z_2=\frac{5.8-5.5}{0.4}  

⇒ z_2=0.75

Now we have to look upon the values from Z score table and arrange them in probability terms then convert it into percentages.

We have to work with P(5.4<z<5.8).

⇒ P(5.4

⇒ P(-0.25

⇒ P(z

⇒ z(1.5)=0.7734 and z(-0.25)=0.4013.<em>..from z -score table.</em>

⇒ 0.7734-0.4013

⇒ 0.3721

To find the percentage we have to multiply with 100.

⇒ 0.3721\times 100

⇒ 37.21 %

The percent of callers who are on hold between 5.4 minutes to 5.8 minutes is 37.21

4 0
3 years ago
One car travels 45 mph and the other one travels 52 mph if they start from the same place at the same time traveling in the same
Alinara [238K]

Answer:

the faster car will be 7 miles ahead the slower car

Step-by-step explanation:

4 0
3 years ago
How do you do this problem?
vivado [14]
The ratio given is 4:5 so you do 5divided by 20 which is 4 and multiply 4 and 4 and get 16 so your ratio is 16:20
6 0
3 years ago
Read 2 more answers
Two brownies are shared equally among three friends. How much brownie will each person get? *
Sergeeva-Olga [200]

Two brownies among three friends.

3/2 is 1.5

So 1.5 for the first friend, 1.5 for another friend, and 1.5 for the other friend.

4 0
2 years ago
What is it<br><br> −4(3/2x−12)=−15
Greeley [361]

Answer:

x = 21/2

Step-by-step explanation:

Step 1: Write equation

-4(3/2x - 12) = -15

Step 2: Solve for <em>x</em>

  1. Distribute -4: -6x + 48 = -15
  2. Subtract 48 on both sides: -6x = -63
  3. Divide both sides by -6: x = 21/2
3 0
3 years ago
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