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earnstyle [38]
3 years ago
15

Haley is printing admission tickets for her school dance. So far, she has printed 112 tickets. She knows that she needs to print

320 tickets in total. What percent of tickets does Haley needs to print?
Mathematics
1 answer:
crimeas [40]3 years ago
5 0

Answer:

Haley needs to print 65% of the tickets.

Step-by-step explanation:

Given that:

Tickets printed by Haley = 112

Tickets needed to print = 320

Tickets left to print = 320-112 = 208

Percent of tickets left to print = \frac{Tickets\ left\ to\ print}{Total\ tickets}*100

Percent of tickets left to print = \frac{208}{320}*100

Percent of tickets left to print = 0.65*100

Percent of tickets left to print = 65%

Hence,

Haley needs to print 65% of the tickets.

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What is the ratio of 76,000 and 100,000
BaLLatris [955]

Answer:

19 : 25

Step-by-step explanation:

8 0
3 years ago
The deciles of any distribution are the points that mark off the lowest 10% and the highest 10% of the distribution. the deciles
Levart [38]

(a) We need to figure out the deciles for a normal distribution curve in this part.

In order to do so, we need to find the z score corresponding to probability 0.10 and 0.90 on the normal distribution curve.

Upon looking at the normal distribution table, we can see that the probability P = 0.10 corresponds to a z score of -1.28 and probability P = 0.90 corresponds to a z score of 1.28.

Therefore, deciles are -1.28 and 1.28 for a normal distribution curve.

(b) In this part, we are given that mean height is 69.5 inches and standard deviation in height is 2.7 inches. Therefore, we can find the deciles using the z score formula as shown below:

z=\frac{x-\mu}{\sigma }\Rightarrow \pm 1.28=\frac{x-69.5}{2.7}\\
x-69.5 = \pm 3.456\Rightarrow x=69.5\pm 3.456\Rightarrow \\
x=66.044,72.956

Therefore, the required deciles are 66.044 and 72.956

7 0
3 years ago
Can someone explain how to solve and graph this step-by-step?​
Maslowich
(x,y)=(2,1) where the two lines intercept
so for the first equation you go on the y line and dot -4 then count up 5 times then right 2 times since it’s rise over run
for the second line start at positive 3 on the y line then it’s -1/1 which is up once and left once cause of the negative
7 0
3 years ago
I can’t post da question unless I type sum here so yeah
Snowcat [4.5K]

Answer:

im not the best in math, sorry

Step-by-step explanation:

4 0
3 years ago
Which is the value of x in the equation?<br> 4(x−3)=40<br><br> A. 13<br> B. 14<br> C. 15<br> D. 16
MakcuM [25]

Answer:

x=13

Step-by-step explanation:

4(x-3)=40

x-3=40/4

x-3=10

x=10+3

x=13

HOPE THIS HELPS YOU

8 0
3 years ago
Read 2 more answers
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