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kap26 [50]
2 years ago
6

I just need the answer please! ! !

Mathematics
1 answer:
OLEGan [10]2 years ago
3 0

The first one x>7 nsdnejsjdhwkakns stupid 20 characters

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Need help ASAP! Choose the numbers that are irrational. 1. 0. 87 repeating 2. 3.624 3. √2 4. 0. 6 repeating 5. -5 6. 1 over 3 7.
svp [43]

Answer:

√2, pi.

Step-by-step explanation:

An irrational number cannot be written as a fraction a/b where a and b are integers ( not = 0)..

3 0
2 years ago
A college football stadium holds 45,000 fans. In a random sample of 30 fans, 26 were wearing the colors of the home team. Predic
Rainbow [258]

Answer:

38,999

Step-by-step explanation:

In your sample you have 26 out of 30. I like to get that number into a percentage, so you do 26 divided by 30

26/30 = .8666

Then you take your total amount of fans, 45,000 and multiply it by your percentage wearing team colors.

45,000 x .8666 = 38,999.97

Since you can't have .97 of a person, your round it down to 38,999.

3 0
3 years ago
Evaluate the expression below for x = 2.<br> 3x+4 x-81-14
Ratling [72]

Answer:

I think that the answer is -81

Step-by-step explanation:

We have 3x+4x-81-14 x is given as 2.So we'll have 3*2+4*2-81-14= -81 per my calculations. TRY THIS

4 0
1 year ago
Tim has $25 in his savings account. He writes a check for $5.05. He writes another check for $2.89. He deposits $15. What is his
puteri [66]
Easy! Subtract 5.05, 2.89 and 15. You get: $2.06
5 0
3 years ago
Read 2 more answers
Studies show that most children need an average of ten hours per sleep, while most adults only require an average of seven hours
motikmotik

Solution:

Part A

The line of best fit for a five year children is given as

Y =\frac {-x}{8} +\frac{113}{8},

When children is 5 , years old, average that children will sleep each night

can be calculated by , putting, x=5 in above equation

Y=\frac {-5}{8} +\frac{113}{8}\\\\ Y=\frac{108}{8}\\\\ Y=13.5

Average sleep of 5 year old children , given by line of best fit= 13.5 hours

But it is given that, Average that a five year old children sleep= 10 hours

Difference between calculated and Actual = 13.5 - 10 = 3.5 hours, which is not so large,for a five year old children, but a large value, showing that it is not a reasonable estimate.

Part B

The line of best fit for a 20 year old  is given as

Y =\frac {-x}{8} +\frac{113}{8},

When adult who  is 20 , years old, average that adult will sleep each night

can be calculated by , putting, x=20 in above equation

Y=\frac {-20}{8} +\frac{113}{8}\\\\ Y=\frac{93}{8}\\\\ Y=11.625

Average sleep of 20 year old adult , given by line of best fit= 11.625 hours

But it is given that, Average that a 20 year old adult sleeps= 7 hours

Difference between calculated and Actual = 11.625 - 7 = 4.625 hours, which is quite large, for an adult, showing that it is not a reasonable estimate.

6 0
3 years ago
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