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DerKrebs [107]
3 years ago
8

How long does it take to travel 300 mi at a constant speed of 15 mi/h?

Mathematics
2 answers:
tigry1 [53]3 years ago
8 0
The answer is 20 i think
Natasha2012 [34]3 years ago
6 0
20 hours, I believe. You're just dividing 300 by 15.
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A distribution of values is normal with a mean of 188 and a standard deviation of 20.8. Find the probability that a randomly sel
padilas [110]

Answer:0.8413

Step-by-step explanation:

Mean= 188, Std Dev. =20.8, Z=(x-mean)/Std Dev

P(X less than 167.2)= P(Z less than (167.2-188)/20.8)

=P(Z less than (-20.8/20.8))

=P(z less than -1)= P(Z less 1)

The value of 1 in the normal distribution table is 0.3413

So we add 0.5 to 0.3413 =0.8413

6 0
3 years ago
A jet ski rental charges A flat rate of $75 ,plus an additional $60 per hour you want to spend less than $200. for how many hour
cluponka [151]
The equation to solve would be setting

60×- the m plus 75,the b set to 200 the maximum that's wanted to be used. the equation will look like this

200=60x+75

-75. -75

125=60x
125/60 60x/60

2.08=x

and since you cant round the time the answer will be left at 2
8 0
3 years ago
Need hep teaching my daughter. Janet went to Resturant and left 20% tip. If tip was $3.20 how much was meal? Solve with equation
Stels [109]

Answer:

The meal was $16.00.

Step-by-step explanation:

since the equation for finding the tip is: decimal of percent times total bill, what you want to do is isolate the bill. you do this by dividing both sides by percent and your equation is total cost = tip/percent

let's say our total equation is x.

x=3.20/0.2

x=16

Now check your work.

6 0
3 years ago
How to solve it? What is the result of this question
lesantik [10]
Remember the order of operations. 
Dividing fractions means multiplying a reciprocal. 
3÷1/3=3×3/1=9
9-9+1=1
1 is your answer. 
:)
3 0
3 years ago
Read 2 more answers
What is the solution for the equation 3x + 0.3 = 3.3.
hoa [83]

Answer:

3x+0.3=3.3.

                               \            /    

                   We move all terms to the left:

                              3x+0.3-(3.3.)=0

        We add all the numbers together, and all the variables

                              3x+0.3-0=0

        We add all the numbers together, and all the variables

                              3x+0.3=0

     We move all terms containing x to the left, all other terms to the right

                               3x=-0.3

                                x=-0.3/3

                               x=-0.3/3

                               /             \

*eliza*

3 0
3 years ago
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