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lana66690 [7]
2 years ago
9

Someone help me please

Mathematics
1 answer:
loris [4]2 years ago
5 0
Clean that screen pls
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SHOW WORK NEED ASAP
Semenov [28]

Answer:

rectangular tables

Step-by-step explanation:

x: how many tables

a) 49x/49=800/49

x=16.3

so roughly 16 tables

b) 64x/64=800/64

x= 12.5

so roughly 12(you round to nearest even number when it is .5)

c) Now we will calcuate how many people will fit using the number of fitting capacity

=16 (8)

128

=12(12)

=144

Therefore, the rect tables will fit more people

8 0
2 years ago
A banks loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviati
Alona [7]

Answer:

2.87%

Step-by-step explanation:

We have the following information:

mean (m) = 200

standard deviation (sd) = 50

sample size = n = 40

the probability that their mean is above 21.5 is determined as follows:

P (x> 21.5) = P [(x - m) / (sd / n ^ (1/2))> (21.5 - 200) / (50/40 ^ (1/2))]

P (x> 21.5) = P (z> -22.57)

this value is very strange, therefore I suggest that it is not 21.5 but 215, therefore it would be:

P (x> 215) = P [(x - m) / (sd / n ^ (1/2))> (215 - 200) / (50/40 ^ (1/2))]

P (x> 215) = P (z> 1.897)

P (x> 215) = 1 - P (z <1.897)

We look for this value in the attached table of z and we have to:

P (x> 215) = 1 - 0.9713 (attached table)

P (x> 215) =.0287

Therefore the probability is approximately 2.87%

4 0
3 years ago
A. Find x<br> B. Find the measure of angle b <br> C. Find the measure of angle c
sdas [7]

Answer:

3, 50 and 70

Step-by-step explanation:

Using exterior angle property, we have 15x+5+22x+4=120, 37x+9=120. x=3

B=15x+5=50

C=22x+4=70

8 0
2 years ago
How do you round to two decimal places ?? i just have the normal answers btw. asap!! :(
Evgen [1.6K]

Answer:

Step-by-step explanation:

Look at the 3rd decimal digit (the digit after the hundredths).

  • if it is the digit is less than 5 then round the number down by taking away the decimal point of the number after the 2nd decimal place;
  • However if  it is 5 or more then round the number up by adding one on to the hundredths digit and removing the rest of the decimal part of the number after it

For example,4.749 rounds up to 4.75 because the 3rd decimal digit is a 9.

I hope this helps ^^

8 0
2 years ago
Can someone help me on this plzzz and thank you
Alborosie

Answer:

-1.5

Step-by-step explanation:

5x6=30

30-21=9

9/6=1.5

remember tht the answer is NEGATIVE,, thnk u hav a good nite

5 0
3 years ago
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