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3 years ago

Help meh plz i really neeed help

Mathematics

1 answer:

ICE Princess25 [194]3 years ago

7 0

Answer:

i think the third one ??

Step-by-step explanation:

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Which expression is equivalent to this expression? (-5cd-4)(2cd2)2

Vlad1618 [11]

Answer:

-20c^2 d^3 - 16cd^2

Step-by-step explanation:

4 0

3 years ago

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I need some help please!

kvv77 [185]

Answer:

See below

Step-by-step explanation:

Given :-

y || z

To Prove :-

m∠5 + m∠2 + m∠6 = 180°

Proof :-

Here we are required to prove that ,

$\rm\implies m\angle 5 + m\angle 6 + m\angle 2 = 180^o$

And here it's given that , y || z . Therefore ,

∠3 = ∠6 ( alternate interior angles )
∠1 = ∠5 ( alternate interior angles )

Now we know that the measure of a straight line is 180°. Therefore ,

$\rm\implies m\angle 1 + m\angle 2 + m\angle 3 = 180^o \\\\\implies\boxed{\rm m\angle 5 + m\angle 6 + m\angle 2 = 180^o}$

From 1 and 2 .

Hence Proved !

7 0

3 years ago

What is the answer to 9x-7=-7

ioda

First, add -7 to both sides of the equation:

$9x = 0$

Dividing by 9 gets us:

$x = 0$

The answer is x = 0.

8 0

3 years ago

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9,16=7 4,36=8 121,81=20 25,49=?

Ilia_Sergeevich [38]

Answer:

12.

Step-by-step explanation:

We have been given format of different numbers. We are asked to find the missing value for our given format.

$9,16=7$

Taking square root of 9 and 16 we will get,

$\sqrt{9}=3$

$\sqrt{16}=4$

$3+4=7$

Similarly, we can see that by taking the square root of all the on the left side of equation and adding them we get right side of equation.

$\sqrt{4}=2$

$\sqrt{36}=6$

$2+6=8$

$\sqrt{121}=11$

$\sqrt{81}=9$

$11+9=20$

Upon taking square root of 25 and 49 we will get,

$\sqrt{25}=5$

$\sqrt{49}=7$

$5+7=12$

Therefore, the missing number of our given sequence is 12.

5 0

4 years ago

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Urgent help please. 30 points

bulgar [2K]

I believe it goes 6 7 5 9

4 0

4 years ago

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