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Jobisdone [24]
3 years ago
13

Which property is illustrated by the following statement? 5z + 1 = 1 + 5z

Mathematics
1 answer:
xenn [34]3 years ago
7 0
It is the commutative property of addition
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Help me please <br><br> will get rewared brainly if correct answer
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Well, split it into 3 shapes

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Wen takes a job with a starting salary of $100,000 for the first year. she earns a 3% increase each year. what does s5 represent
steposvetlana [31]
S_{n} = \frac{ a_{1}(1- r^{n})  }{1-r} a_{1} = 100000, r=1.03, n=5
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Using the following data, calculate the mean absolute deviation:
Bogdan [553]
First set of data:
Mean - 6.5
Absolute deviation - 2.4

Second set of data:
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3 0
3 years ago
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Greg swam 4 kilometers against the current in the same amount of time it took him to swim 16 kilometers with the current. The ra
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Answer:

5 kmph

Step-by-step explanation:

Given: Greg swam 4 kilometers against the current.

            Greg swam 16 kilometers with the current.

            Rate of the current was 3kmph.

Lets assume the speed of greg swimming with no current be "x".

∴ Speed of swimming against current= (x-3)\ kmph

   Speed of swimming with current= (x+3)\ kmph

As given, it took same amount of time to swim both with current and against current.

∴ Forming an equation to find the value of x, which is speed of greg swimming with no current.

We know, Time= \frac{Distance}{Speed}

⇒ \frac{4}{(x-3)} = \frac{16}{(x+3)}

Multiplying both side by (x+3) and (x-3)

⇒4\times (x+3)= 16\times (x-3)

Using distributive property of multiplication.

⇒ 4x+12= 16x-48

Subtracting both side by 4x and adding by 48.

⇒60= 12x

Dividing both side by 12

⇒x= \frac{60}{12} = 5\ kmph

Hence, Greg can swim at the rate of 5kmph with no current.

7 0
3 years ago
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