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Fittoniya [83]
3 years ago
8

Pls help me! i’m very confused on this certain question.

Mathematics
1 answer:
Vitek1552 [10]3 years ago
7 0

Answer:

A

Step-by-step explanation:

scientific notation always contains a decimal number

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Janice gives Rs 215.50 to Mia. if she started with Rs 403.75.how much money does she have left​
stellarik [79]

Answer:

188.25

Step-by-step explanation:

Okay, so. He had 403.75. He gives 215.50 to Mia. So, we would subtract it.

403.75 - 215.50 = 188.25

Therefore they will have 188.25 left.

7 0
3 years ago
If he rows with the current, Mishka rows 48 km in 3 hours. If he rows against the current, it takes 4 hours to travel the same d
Zarrin [17]
<h2>Mishka's speed = 14 km/hr</h2><h2>Current speed = 2 km/hr</h2>

Step-by-step explanation:

Let the speed of rowing be r and speed of current be c.

If he rows with the current, Mishka rows 48 km in 3 hours.

        Relative speed = r + c

        Distance = 48 km

        Time = 3 hours

        48 = 3 x ( r+c)

        r + c = 16 ---------------------------eqn 1

If he rows against the current, it takes 4 hours to travel the same distance.

        Relative speed = r - c

        Distance = 48 km

        Time = 4 hours

        48 = 4 x ( r - c)

        r - c = 12 ---------------------------eqn 2

eqn 1 + eqn 2

        2r = 28

          r = 14 km/hr

Substituting in eqn 1

         14 + c = 16

                c = 2 km/hr

Mishka's speed = 14 km/hr

Current speed = 2 km/hr

6 0
3 years ago
Sur une photographie réalisée avec un
shtirl [24]

Answer:

0.3cm ?

Step-by-step explanation:

3 0
3 years ago
rachel bought one double pack of CDs for $20. this is $4 less than 3/4 the cost of a triple pack of CDs. what is the price of a
Sophie [7]
The price of a triple pack of Cds is $30. 
6 0
3 years ago
6 times 7 to the second power
Travka [436]
Hello!

To solve this question, we must first add the exponent into the number 7 before multiplying it by the number 6. 

7 to the second power simply means 7x7. 

7x7= 49

Now that the exponent is in the equation, we can multiply 49 by 6 to find your final answer. 

6 x 49 = 294

I hope this helps answer your question! Have a great day!
-MMMski
5 0
3 years ago
Read 2 more answers
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