3 years ago

I need help on this question

Mathematics

1 answer:

raketka [301]3 years ago

7 0

You got the right answers!
Horizontal and vertical

Congrats

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The mean of 17,x,10,17,51 is 21 find x

KIM [24]

Answer:

x=10

Step-by-step explanation:

(17+x+10+51+17)/5=21

95+x=105

x=10

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3 years ago

Simplify 9 to the 2nd over 9 to the 7th

Allisa [31]

3387⁄200000000 or 0.00001693508

5 0

3 years ago

7,,,,,,,,,,,,,,,,,,,,please help

Goryan [66]

Answer:

Step-by-step explanation:

The given expression is

$\frac{2^{\frac{11}{2} }\times 2^{-7}\times 2^{-5}}{2^3\times 2^{\frac{1}{2} }\times 2^{-10}}$

Recall and use

$a^m\times a^n=a^{m+n}$

$\frac{2^{\frac{11}{2} -7-5}}{ 2^{3+\frac{1}{2} -10}}$

$\frac{2^{-\frac{13}{2}}}{ 2^{-\frac{13}{2}}}$

Same bases are dividing, so we write one base and subtract the exponent.

$2^{-\frac{13}{2}+\frac{13}{2}}$

$2^0=1$

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3 years ago

Can anyone plz help me asap with Part B and C.?

creativ13 [48]

Answer:

Please post a clearer screenshot...

Step-by-step explanation:

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2 years ago

What is 2/3 minus 1/5 equals? Steps I need to show.

notka56 [123]

Firstly we need to find the common denominator:

2/3 - 1/5 =
= 10/15 - 3/15 =
= 7/15

We can't simplify it so that's the result :) I hope it will help you :)

4 0

3 years ago

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