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sweet-ann [11.9K]
2 years ago
10

What is 2x-5+5x-10 cs i don't know the answer

Mathematics
1 answer:
Juli2301 [7.4K]2 years ago
7 0

Answer:

-8x

Step-by-step explanation:

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The base of a cube is 36cm. What is the volume of the cube?
sasho [114]

Answer:

46656

Step-by-step explanation:

8 0
3 years ago
Hello someone please help me
Naya [18.7K]

Answer:

(2, -8)

Step-by-step explanation:

6 0
3 years ago
If a dog has 2,000,000 toys and he gives 900,000 away. Then gets 2,000 more, also looses 2,000,000. He's sad but then also got 5
Sergeu [11.5K]

Answer:

See below.

Step-by-step explanation:

He does not have enough to loose 2,000,000 at that point, so this whole problem is nonsense.

5 0
3 years ago
Plz prove this for me.....
s344n2d4d5 [400]

I've answered your other question as well.

Step-by-step explanation:

Since the identity is true whether the angle x is measured in degrees, radians, gradians (indeed, anything else you care to concoct), I’ll omit the ‘degrees’ sign.

Using the binomial theorem, (a+b)3=a3+3a2b+3ab2+b3

⇒a3+b3=(a+b)3−3a2b−3ab2=(a+b)3−3(a+b)ab

Substituting a=sin2(x) and b=cos2(x), we have:

sin6(x)+cos6(x)=(sin2(x)+cos2(x))3−3(sin2(x)+cos2(x))sin2(x)cos2(x)

Using the trigonometric identity cos2(x)+sin2(x)=1, your expression simplifies to:

sin6(x)+cos6(x)=1−3sin2(x)cos2(x)

From the double angle formula for the sine function, sin(2x)=2sin(x)cos(x)⇒sin(x)cos(x)=0.5sin(2x)

Meaning the expression can be rewritten as:

sin6(x)+cos6(x)=1−0.75sin2(2x)=1−34sin2(2x)

3 0
3 years ago
What are the additive and multiplicative identities for any rational number​
abruzzese [7]

Step-by-step explanation:

  • natural numbers, whole numbers, and integers zero is the additive identity
  • 1 is the multiplicative identity.

in case of rational numbers.

<h2>hope it helps.</h2><h2>stay safe healthy and happy.</h2>
6 0
2 years ago
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