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Archy [21]
3 years ago
10

What is the answer to this?

Mathematics
2 answers:
lakkis [162]3 years ago
8 0

Answer:

answer is 39

Step-by-step explanation:

ch4aika [34]3 years ago
5 0

Answer:

39

Step-by-step explanation:

41+x=80

x=39

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How long will it take a car to travel 400 miles at an average rate of 50mph
wel
The answer is 8 hours
5 0
3 years ago
Can someone help me please
IgorLugansk [536]
A) 4(25-3y)+5y=9
    100-7y=9
     91=7y
     y=13
    (-14,13)

b) 14-x=x-10
     2x=24
     x=12
     (12,14)

c) 4x=12
    (3,7)

d) 18.5x+10.4y=200
     x+y=130

7 0
3 years ago
When the population mean and standard deviation are known, what distribution is used for the analysis of the sample?.
Kitty [74]

When the population mean and standard deviation are known, you use the standard normal distribution

<h3>How to determine the distribution?</h3>

There are several probability distributions; these include

  • Normal distribution
  • Poisson distribution
  • Chi square distribution
  • Binomial distribution
  • Etc

Of all these distribution, only the standard normal distribution can be used when the population mean and standard deviation are known,

Note that it is also referred to as the z-distribution

Read more about probability distributions at:

brainly.com/question/24756209

7 0
2 years ago
What's the value of x ?
Helen [10]

the formula for the Pythagorean theorem is a squared plus b squared is equals to c squared we don't have our a so it will be 8 * 8 =64which is 64 is equals to 10 * 10 which is 100 - 64 is equals to 36 then you square root do square roots the 36 which is 6

5 0
3 years ago
(Functions and Relations) Answer getting brainliest!!
Ymorist [56]

Answer:

D

Step-by-step explanation:

Have a nice day

6 0
2 years ago
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