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Temka [501]
3 years ago
12

1.Jon travels 1/2 mile in 1/4 hour. Find the unit rate in miles per hour.

Mathematics
2 answers:
Evgen [1.6K]3 years ago
5 0
So far I got

1 is 2 mph

2 is a 1/2 chance to draw a vowl
chubhunter [2.5K]3 years ago
4 0
For number 1: .5/.25 = Unknown/120.


For number two add all the letters in ridiculous: all chances would be 1/10 except "I" and "u" there are two so chances are 2/10 or 1/5
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in a random sample of 77 residents of the state of texas, the mean waste recycled per person per day was 1.01.0 pounds with a st
VikaD [51]

Answer:

(0.63789 ; 1.38211 )

Given that:

Mean, xbar = 1.01

Standard deviation, s = 0.29

Sample size, n = 7

Confidence interval  : xbar ± margin of error

Margin of Error = Tcritical * s/sqrt(n)

Degree of freedom (df) = n - 1 = 7 - 1 = 6

Hence Tcritical = 3.143

Margin of Error = 3.143 * 0.29/sqrt(6)

Margin of error = 0.37211

Lower boundary = (1.01 - 0.37211) = 0.63789

Upper boundary = (1.01 + 0.37211) = 1.38211

(0.63789 ; 1.38211 )

learn more of confidence interval here

brainly.com/question/23033127

#SPJ4

4 0
2 years ago
What is the reason for each step in the solution of the equation?<br><br> −6x+7x+14=3
sertanlavr [38]
-6x + 7x + 14 = 3
First, you add the variables x between each other so we can have one number with variable x:
x + 14 = 3
Then, subtract 14 from each side to get the variable x alone of a side, and its value on the other side:
x + 14 - 14 = 3 - 14
x = - 11

You can re-check your answer (very important):
-6x + 7x + 14 = -6(-11) + 7(-11) + 14 = 66 - 77 + 14 = -11 + 14 = 3
The answer has been approved.

Hope this Helps! :)
5 0
4 years ago
Read 2 more answers
Use Law of Sines or Law of Cosines to solve for the missing parts of each triangle​
ella [17]

Answer:

x = 9.7

Step-by-step explanation:

Given

The attached triangle

Required

Find x

Using law of sine, we have:

\frac{a}{sin A} = \frac{b}{Sin B}

So, we have:

\frac{x}{sin 32} = \frac{18}{Sin 100}

Make x the subject

x = \frac{18 * sin 32}{Sin 100}

x = \frac{18 * 0.5299}{0.9848}

x = 9.685

x = 9.7 -- approximated

4 0
3 years ago
Please help ASAP! i have been struggling on this question and need help!
seraphim [82]

Answer:

841.53

Step-by-step explanation:

equation for annual intrest is

I*y^x=f

where I is your initial amount, y is equal to 1+(interest /100)

and x is equal to the amount of years you're looking for, with f being the final balance

so for this questions, the equation is as follows

600*(1+7/100)^5=f\\600*1.07^5=f\\600*1.40255=f\\841.53=f\\

6 0
2 years ago
A club collected $3,472 to buy computers. If each computer cost $680, estimate the number of computers that the club can buy.exp
almond37 [142]

The club can buy 5 computers with $3472

Step-by-step explanation:

The number of computers which can be bought from the given amount will be calculated by dividing the amount by price of one computer.

Given

Total amount = $3472

Price of one computer =$680

The number of computers will be:

=\frac{Total\ amount}{Price\ per\ computer}\\=\frac{3472}{680}\\=5.1\\

As the number of an item cannot be in decimal it will be rounded off to 5.

The club can buy 5 computers with $3472

Keywords: Price per unit, pricing

Learn more about pricing at:

  • brainly.com/question/7287774
  • brainly.com/question/726990

#LearnwithBrainly

8 0
3 years ago
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