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2 years ago

All rational numbers are whole numbers

Mathematics

1 answer:

Ilia_Sergeevich [38]2 years ago

7 0

A rational no. can be expressed as a fraction/quotient
eg. 2/5 or 2/1
thus not all rational no. are whole no.s

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Solve for x Write the smaller solution first, and the larger solution second.

posledela

Answer:

x= -18.16 x= -11.84

Step-by-step explanation:

(x+15)(x+15)= x^2+30x+225-10=0

x^2+30x+215=0

a=1 -30±√(30)²-4(1)(215)

b=30 -----------------------------

c=215 2(1)

6 0

2 years ago

Identify the x-intercept of m(x). <br> m(x)=x^2-2x-8/x^2-x-2

SpyIntel [72]

Answer:

$\large\boxed{x-intercepts:-2\ and\ 4}$

Step-by-step explanation:

$m(x)=\dfrac{x^2-2x-8}{x^2-x-2}\\\\\text{At the beginning we de}\text{fine the domain:}\\\\D:x^2-x-2\neq0\\\\x^2-2x+x-2\neq0\\x(x-2)+1(x-2)\neq0\\(x-2)(x+1)\neq0\iff x-2\neq0\ \wedge\ x+1\neq0\\\boxed{x\neq2\ \wedge\ x\neq-1}\\================================\\\text{The x-intercept is for}\ m(x)=0.\ \text{Therefore we have the equation:}\\\\\dfrac{x^2-2x-8}{x^2-x-2}=0\iff x^2-2x-8=0\\\\x^2+2x-4x-8=0\\x(x+2)-4(x+2)=0\\(x+2)(x-4)=0\iff x+2=0\ \vee\ x-4=0\\\\x=-2\in D\ \vee\ x=4\in D$

4 0

2 years ago

What is 9,750,000,000 in scientific notation

Brums [2.3K]

Hey there mate!

So, when doing this kind of notation (scientific notation), this is pretty much like braking down the number,and trying to make it more simple.

$\boxed{9,750,000,000} \ in \ scientific \ notation... \\ \\ \Longrightarrow\boxed{\boxed{9.75*10^9}} \Longleftarrow$

I hope this helps you! :)

3 0

2 years ago

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A kilobyte is 2^10 bytes and a megabyte is 2^20 . how many kilobytes are in a megabyte

tamaranim1 [39]

Answer:

1024

Step-by-step explanation:

so first you would do 2^10 and 2^20

2^10 = 1024

2^20 = 1048576

then you would just divide 1048576 by 1024

1048576 / 1024 = 1024

8 0

2 years ago

34y + 16y could you pls give the answer?

ipn [44]

There is no possible solution to y, we do not have an image or an equation that would allow us to solve the value of y, therefore our answer is 34y + 16y=50y

6 0

1 year ago

Read 2 more answers