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Nana76 [90]
3 years ago
15

Find (5.2 x 10^7)(5 x 10^8)/(3.2 x 10^6)(5 x 10^5), expressed in scientific notation.

Mathematics
1 answer:
algol133 years ago
4 0

Answer:

A

Step-by-step explanation:

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Five and thirty-nine thousandths in standard decimal form
Nesterboy [21]

Answer:

Five and thirty-nine thousandths in standard decimal form is

5.039

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3 years ago
Solve for x in the diagram below (plz no links)<br>​
Kryger [21]

Answer:

4X+50=150

-50 on both sides

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Step-by-step explanation:

8 0
3 years ago
Simplify the expression. Explain each step. <br> 6(2b)
8_murik_8 [283]

Answer:12b

Step-by-step explanation:

Here,

We have only one variable

So we can multiply it with number

=6×2b

=12b

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3 0
3 years ago
Read 2 more answers
If f(1) = 0, what are all the roots of the function f(x)=x^3+3x^2-x-3? Use the Remainder Theorem.
Sophie [7]
There's no if about it, 

f(x)=x^3+3x^2-x-3&#10;

has a zero f(1)=0 so x-1 is a factor.   That's the special case of the Remainder Theorem; since f(1)=0 we'll get a remainder of zero when we divide f(x) by x-1.

At this point we can just divide or we can try more little numbers in the function.  It doesn't take too long to discover f(-1)=0 too, so  x+1 is a factor too by the remainder theorem.  I can find the third zero as well; but let's say that's out of range for most folks.

So far we have 

x^3+3x^2-x-3 = (x-1)(x+1)(x-r)

where r is the zero we haven't guessed yet.  Again we could divide f(x) by (x-1)(x+1)=x^2-1 but just looking at the constant term we must have

-3 = -1 (1)(-r) = r

so

x^3+3x^2-x-3 = (x-1)(x+1)(x+3)

We check f(-3)=(-3)^3+3(-3)^2 -(-3)-3 = 0 \quad\checkmark

We usually talk about the zeros of a function and the roots of an equation; here we have a function f(x) whose zeros are

x=1, x=-1, x=-3

8 0
3 years ago
Read 2 more answers
PLZ HELP ME WITH THIS, ITS A QUIZ!?!?!
timofeeve [1]

Answer:

-243 gallons of water from the pool

3 0
3 years ago
Read 2 more answers
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