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dmitriy555 [2]
3 years ago
9

Create a real world story problem that requires more than one operation to solve? Make

Mathematics
1 answer:
kompoz [17]3 years ago
6 0
Elisa gave Samuel 27 cookies and told him to share it with his brothers. Elisa had 3 brothers and Samuel had 2 times more. How many brothers does Samuel have? how many cookies does each brother get?
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Explain how to solve 4|3x-1|+1=8​
denis-greek [22]

4|3x - 1| + 1 = 8

4|3x - 1| = 8 - 1

4|3x - 1| = 7

|3x - 1| = 7/4

Now lets think, we have 3x - 1 in module, so either its 7/4 or -7/4, we will have 7/4 at the end because of it, so we may have 2 solutions in this case:

3x - 1 = 7/4

and

3x - 1 = -7/4

So let's see:

3x - 1 = 7/4

3x = 7/4 + 1

3x = 11/4

x = 11/12

3x - 1 = -7/4

3x = -7/4 + 1

3x = -3/4

x = -1/4

So we have two possible answers, x = 11/2 and x = -1/4

8 0
2 years ago
True or false: the range of y=arcsinx is [-pi/2, pi/2]
balandron [24]

True.


The range for arctan is all the valid Y-Values, and if you take a look at the graph you can see it caps out at pi/2 and -pi/2 for y values.


P.S. pi/2 = 1.57......



7 0
3 years ago
Read 2 more answers
The table below shows an inequality and a number by which to divide both sides.
IRISSAK [1]

Answer:

i dont see a table

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Jayce travels 30 miles per hour in her car.how many miles does she travel in 4 hours
LekaFEV [45]

Answer:

120 miles

Step-by-step explanation:

30 miles per hour * 4 hours

120 miles

5 0
3 years ago
Read 2 more answers
The temperature, H, in degrees Celsius, of a cup of coffee placed on the kitchen counter is given by H = f(t), where t is in min
Deffense [45]

Answer:

a

    f'(t) is  negative

b

 The  unit is degC/min

c

At <u>35</u> minutes after the coffee was put on the counter, its temperature is <u>68</u> and will <u>decrease</u> by about <u>0.75</u> in the next 30 seconds.          

Step-by-step explanation:

From the question we are told we are told that  

   The  equation for the temperature of a cup of coffee place on a counter is

         H= f(t)

Here  t is the time in minutes the  coffee was put on the counter

Generally  f(t)'  is the derivative of  f(t) at it represents the change of the temperature of the cup of coffee with respect to time

 Generally for the coffee placed on the counter after a couple of minutes the temperature will decrease hence  f(t)' is  negative

Generally the unit of the temperature is in degrees Celsius while that of time is  in minutes

  So the change in temperature with time f(35)' will be in degrees Celsius/minutes (i.e  degC/min)

  From the question we are told that

        |f(35)'| =  1.5

i.e  the rate of change of temperature after 35 minutes is  1.5

and

         |f(35)| =  68

i.e the temperature of the cup of coffee after 35 minutes is  67 degC

Now after another   t=  30  seconds =  \frac{30}{60}= 0.5 \ minutes the  rate  of change of the temperature of the cup of  coffee is  

          R =  |f(35)'| *  t

=>        R = 1.5  *  0.5

=>        R = 0.75    

So

At <u>35</u> minutes after the coffee was put on the counter, its temperature is <u>68</u> and will <u>decrease</u> by about <u>0.75</u> in the next 30 seconds.  

     

5 0
3 years ago
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