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2 years ago

8

Help anyone ? Pls n thank you

1 answer:

Ostrovityanka [42]2 years ago

4 0

Answer:

$3^{6} =729$

Step-by-step explanation:

$3^{6}$ ÷ $3^{5}$ = X ÷ 243 =3

So X = 3×243= 729

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Please help badly!!!!!!! I am failing and it is a very important test PLEASE PLEASE PLEASE

lakkis [162]

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2 years ago

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2 years ago

7(2 + 6 – 4d) = pl help me I don’t get it

Svetach [21]

Answer:

Step-by-step explanation:

1. 1 Simplify 2+6-4d to -4d+8.

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therefor, the answer is, 7( -4d + 8)

7 0

2 years ago

Read 2 more answers

Rationalise the denominator.

grin007 [14]

Let's see what to do buddy...

_________________________________

To do this, we have to multiply the face and denominator of the fraction by the denominator conjunction, which is :

$(5 -\sqrt{2})$

°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°

Reminder :

$(a + b)(a - b) = {a}^{2} - {b}^{2} \\$

°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°

So we have :

$\frac{1}{ 5-\sqrt{2} } \times \frac{ 5+\sqrt{2} }{ 5 +\sqrt{2} } = \frac{1 \times ( 5 +\sqrt{2}) }{(5- \sqrt{2} )( 5 +\sqrt{2}) } = \\$

The other is in the photo.

_________________________________

And we're done.

Thanks for watching buddy good luck.

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7 0

3 years ago

9) Which of the following sets is equivalent to the set<br>& P, q, r, sz?

Yuliya22 [10]

Answer:P

Step-by-step explanation:

it is

4 0

2 years ago