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Dmitrij [34]
3 years ago
8

I need to know this answer I've worked it out but not sure

Mathematics
2 answers:
Ksivusya [100]3 years ago
8 0
= r^-5 s^4t ^4
= s^4 t^4 / r^5

answer

answer is B, s^4 t^4 / r^5

Angelina_Jolie [31]3 years ago
7 0
\cfrac{r^{-3}s^5t^2}{r^2st^{-2}} = \cfrac{s^4*t^2*t^2}{r^2*r^3} =\cfrac{s^4t^4}{r^5}

Answer is B.
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Find f(g(x)) simplify completely f(x)= x^2+5x+2 g(x)=3x
Sindrei [870]

Answer:

<u>f(g(x)) = 9x² + 15x + 2</u>

Step-by-step explanation:

  • f(x) = x² + 5x + 2
  • g(x) = 3x

<u>Solving f(g(x))</u>

  • f(g(x))
  • f(3x)
  • f(3x) = (3x)² + 5(3x) + 2
  • f(3x) = 9x² + 15x + 2
  • <u>f(g(x)) = 9x² + 15x + 2</u>
8 0
2 years ago
Read 2 more answers
I really need help can somebody help me please
Grace [21]

Answer:

To find out the range, you check the minimum and maximum of the graph, and then check the y-component of these minimum and maximum.

You would get the minimum(-6, -6), and maximum(3, 4), get the y-component of these two points, you got the range: -6 to 4

Hope this helps!

:)

7 0
3 years ago
Write the equation of the line that satisfies the given conditions. Express the final equation in standard form.
Anton [14]

Answer:

The equation of line with given points and perpendicular to y-axis is

y = - 7  

Step-by-step explanation:

Given as :

The given points as ( - 10 , - 7)

The equation of line is Y = mX + c

So The line will satisfy given points

Or,  - 7 = m ( -10 ) + c

Now This line is perpendicular to y- axis

∴ The slop of line perpendicular to  y axis is 0

So, - 7= 0 + c

or, c = - 7

∴ Equation of line is y = 0 + c

Or,        y = - 7

Hence The equation of line with given points and perpendicular to y-axis is y = - 7      Answer

8 0
3 years ago
Solve and check: 5 - 6 = -3<br> k
xxTIMURxx [149]

5 - 6 =  - 3k \\  - 1 =  - 3k \\  \frac{1}{3}  = k
First, we combine the terms on the left side of the equation to simplify the equation. Then we divide both sides by -3. k then equals 1/3.
To check, we plug in our value for k into the original equation:
5 - 6 =  - 3k \\ 5 - 6 =  - 3( \frac{1}{3} ) \\  - 1 =  - 1
We found k to be 1/3, so for every instance of k, we plug in 1/3. To simplify, we combine the left side to get -1, and we combine the right side to get -1.
Since -1 = -1, our solution is correct.
3 0
3 years ago
What is the equation of a circle centered at the origin with radius 20.. i cant find the answer and i even tried?
KIM [24]
General equation of a circle with centre (h, k) is given by:

(x - h)^{2} + (y - k)^{2} = r^{2}

Now, the origin is the centre and radius is 20, so substituting these points in yields:
x^{2} + y^{2} = 20^{2}
x^{2} + y^{2} = 400
4 0
3 years ago
Read 2 more answers
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