Simplify 5(MN + 1) - 5.

Answers

Answer 1

Answer: 1. Distribute the 5 so that you get 5MN + 5 - 5.
Then you subtract the 5's and you're left with 5MN.

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What is 144 over 324 simplified
Pls give an explanation
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Anybody know the answer??

Answers

The first one. 1 machine= x 5 mach.=5x. Total time is thus 5x+2/3=1 3/4h. Simply find x by doing 105min-40min/5 and that is 13.

Ex 2.68. find the stationary points on the curve y=3x^4 -4x³ -12x² +1 and determine whether they are maximum or minimum turning points

Answers

$y=3x^4 -4x^3 -12x^2 +1\ny'=12x^3-12x^2-24x\n\n12x^3-12x^2-24x=0\n12x(x^2-x-2)=0\n12x(x^2+x-2x-2)=0\n12x(x(x+1)-2(x+1))=0\n12x(x-2)(x+1)=0\nx=0 \vee x=2 \vee x=-1\n\n\forall{x\in(-\infty,-1)\cup(0,2)}\ y'<0\Rightarrow y\searrow\n\forall{x\in(-1,0)\cup(2,\infty)}\ y'>0\Rightarrow y\nearrow\n\Downarrow\ny(0)=1=y_(max)\ny(2)=3\cdot2^4-4\cdot2^3-12\cdot2^2+1=48-32-48=-32=y_(min)$
$y(-1)=3\cdot(-1)^4-4\cdot(-1)^3-12\cdot(-1)^2+1=3+4-12+1=-4=\n=y_(min)$

Round 14494 to the nearest thousand feet

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14,000 because 494 would round down since it is not above 500.

Use the following figure to answer the question.When line t is perpendicular to both line l and line m, then lines l and m are parallel.

True
False

Answers

The answer would be true

Answer: True

Hope this helps.

T=Pri for t, if i=105, P=700, and r=0.005

Answers

If the numbers are played next to each other (like Pri) then they are multiplied together. So you'd do:
Pri = (700)(0.005)(105) = 700 x 0.005 x 105
= 367.5

How can 11,14,13 and 19 equal to 4

Answers

19 - 13 = 6
6 + 11 = 17
17 - 13 = 4

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Taylor charges $15 for the first hour of dog walking and $10 for each additional hour or fraction of an hour. The rates that Lucy charges for x hours of dog walking are modeled with the function shown.f(x) = LaTeX: \lbrace{LaTeX: \begin{matrix}\text{20x, 0 ≤ x ≤ 2}\\\text{10x, 2 4}\end{matrix}20x, 0 ≤ x ≤ 2 10x, 2 4Who will charge more to walk a dog for 2.5 hours, Taylor or Lucy? How much more?Who?: How much more?: