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3 years ago

5 Victor knows that 2 + 7 = 7+2 and 2•7= 7•2

Mathematics

1 answer:

Romashka [77]3 years ago

6 0

Answer:2^7 ≠ 7^2

Step-by-step explanation:

2^7 = 2 * 2 * 2 * 2 * 2 * 2 * 2

The only factor is 2

7^2 = 7 * 7

The only factor is 7

Comparing the factors when written as a repeated multiplication,

2^7 and 7^2 have no common factor :

2^7 = 2 * 2 * 2 * 2 * 2 * 2 * 2 = 128

7^2 = 7 * 7 = 49

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Solnce55 [7]

D! I’ve taken this

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3 years ago

I NEED HELP ASAP PLEASE

skad [1K]

A^2+b^2=c^2 so c^2=12^2+16^2 which then simplifies to c^2=144+256 then simplify that to c^2=400. After that take the square root of c^2 and the square root of 400. So your answer is c=20

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3 years ago

Find the least common multiple of these two expressions. 15x^7y^3u^8 and 6y^4u^5

snow_tiger [21]

Answer:

$30x^7y^4u^8$

Step-by-step explanation:

We have been given two expressions $15x^7y^3u^8$ and

$6y^4u^5$

Now we need to find out least common multiple of these two expressions.

First we need to find out what is common factor of both expressions. $15x^7y^3u^8$ and

$6y^4u^5$

Least common multiple means find the expression which can be divided by both expressions.

15 and 6 both goes into 30

so 30 is part of LCM (least common multiple )

Now pickup the highest exponent of each variable.

So we get $x^7y^4u^8$

Hence required least common multiple is $30x^7y^4u^8$

8 0

3 years ago

Help. <br><br> Evaluate the following expression. <br><br> 1 x (-4 + (-8))

soldi70 [24.7K]

Answer:

-12x

Step-by-step explanation:

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3 years ago

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So sánh √144 và √169

Sergeu [11.5K]

Answer:

Step-by-step explanation:

√144 < √169

8 0

2 years ago

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