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strojnjashka [21]
3 years ago
14

Patrick drives from P to Q at an average speed of 40 mph . His drive back from Q to P is at an average speed of 45 mph and takes

two minutes less.
How far, in miles, is it from P to Q?
Mathematics
1 answer:
nikitadnepr [17]3 years ago
7 0

Answer:

12

Step-by-step explanation:

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At the moment a certain medicine is injected, its concentration in the bloodstream is 120 milligrams per liter. From that moment
Jobisdone [24]

Answer:

C(t)= D-(30Dt/100)

Step-by-step explanation:

C(t)= 120-(30*120*1h)/100   C(t)=84

C(t)= 120-(30*120*2h)/100   C(t)=48

C(t)= 120-(30*120*3h)/100   C(t)=12

5 0
4 years ago
Multiply(4×10^4)(3.63×10^-4) in scientifc notation
soldier1979 [14.2K]
Rewrite 
(4)(3.63) * (10^4)(10^-4)
multiply
14.52 * (10^4)(10^-4)
multiplication of the coefficient is the addition of the exponent
so 4 -4 is 0 

14.52

Hope this helps :)
5 0
4 years ago
Mr. Wong predicted that he would sell 45 automobiles. He actually sold 48 automobiles. What are the values of a and b in the tab
iVinArrow [24]

Answer:

<h2>a = 3.45</h2><h2>b = 6.67%</h2>

Step-by-step explanation:

Initial prediction of sales = 45 automobile

Actual amount sold = 48 automobiles

Absolute error ratio a = actual amount sold - initial prediction/initial prediction

Absolute error ratio a = 48-45/45

Absolute error ratio a = 3/45

%error = actual amount sold - initial prediction/initial prediction * 100%

% absolute error = 48-45/45 * 100

% absolute error = 3/45 * 100

% absolute error b = 6.67%

7 0
4 years ago
Read 2 more answers
*PLEASE HELP ME* WILL REWARD BRANLIEST
larisa [96]
I would go for answer a.
3 0
3 years ago
if a race takes 8 seconds and you get 4,000 dollars from it, how much money do you get if you do that race over and over for an
Brrunno [24]

Answer:

Step-by-step explanation:

This is how I would do it:

60-8=58

4,000 x 58=$232000

Hope this helps and pls let me know if right or wrong...if wrong srry

5 0
3 years ago
Read 2 more answers
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