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irinina [24]
3 years ago
9

Thomas and his sister Lauren are competing in a running race. When Thomas is 0.7 miles from the finish line, he notices that his

sister Lauren has fallen. If Thomas runs one-eighth of a mile back to help his sister, how far BACK is he from the finish line?
Mathematics
1 answer:
ratelena [41]3 years ago
4 0

Answer:

ummmmm 0.825

Step-by-step explanation:

im pretty sure thats correct i havent done math like that in a while let me know if its right :)

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Hi i just need help checking if my answer is correct I have been working on a implicit diffrention problem and I need some help.
SSSSS [86.1K]

Answer:

  \dfrac{dy}{dx}=\dfrac{-4x^3y+2y^3+3x^2y^3}{x^4-6xy^2-3x^3y^2}

Step-by-step explanation:

Normally, when I do this, I differentiate each term first with respect to x then with respect to y. In this solution, I differentiated the entire expression with respect to x, then with respect to y. That makes separating the dx and dy coefficients much easier, so the solution almost falls into your lap.

  -x^4 y + 2 x y^3 + x^3 y^3=0 \qquad\text{given}\\\\(-4x^3y+2y^3+3x^2y^3)dx+(-x^4+6xy^2+3x^3y^2)dy=0\\\\(-4x^3y+2y^3+3x^2y^3)dx=(x^4-6xy^2-3x^3y^2)dy\\\\\boxed{\dfrac{dy}{dx}=\dfrac{-4x^3y+2y^3+3x^2y^3}{x^4-6xy^2-3x^3y^2}}

6 0
3 years ago
Need help with this assoon as possible
alexandr402 [8]
The equation for r in the distance formula is r = d/t
8 0
3 years ago
Simplify. if q = 8, evaluate -q
trasher [3.6K]
<h2>Answer:</h2>

<em>Then the -q would be </em><em>-8.</em><em> </em>

It is because there is negative sign before the variable.

<em>I hope I helped you. I will be really happy, If you mark my answer as the brainliest.Your David.</em>


8 0
3 years ago
Read 2 more answers
PLEASE HELP!!!!Which of the following options is an equivalent function to f(x)=3(2)3x
vampirchik [111]
Your answer willl be f(x) = 24x hope this helps
7 0
4 years ago
Solve the qn in attachment .​
galina1969 [7]

Answer:

\implies \dfrac{ -4x+7}{2(x-2) }

Step-by-step explanation:

The given expression to us is ,

\implies \dfrac{\frac{ 3}{x-1} -4 }{ 2 -\frac{2}{x-1}}

Now take the LCM as ( x - 1 ) and Simplify , we have ,

\implies \dfrac{\frac{ 3 -4(x-1) }{x-1} }{ \frac{2-2(2x-1)}{x-1}}

Simplifying further , we get ,

\implies \dfrac{ -4x+7}{2(x-2) }

<u>Hence the second option is correct.</u>

5 0
3 years ago
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