Solve each equation by graphing. Round to the nearest tenth. 6x^2+18x=0

Answers

Answer 1

Answer: I hope this helps you

6 (x^2+3x)=0

x (x+3)=0

x=0

x+3=0

x= -3

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Enter the value of p so the expression 5/6 - 1/3n is equivalent to p(5-2n).

Answers

Let's solve for p when the two expressions are equal.

$p(5-2n)=\frac{5}6 - \frac{1}3n \n\n p=\frac{\frac{5}6-\frac{1}3n}{5-2n}*\frac{6}6= (5-2n)/(6(5-2n)) = \boxed{\frac{1}6}$

Solve and check the following equations x-1/3=2/3

Answers

Answer:

x -1/3 = 2/3

x= 2/3+1/3

x= 3/3

x=1

Step-by-step explanation:

How much would $200 invested at 4% interest compounded monthly be worth after 8 years? Round your answer to the nearest cent. a(t)=p(1+r/2)^nt
A. $205.40
B. $273.71
C. $322.83
D. $275.28

Answers

your formula is wrong
it should be
$A=P(1+ (r)/(n))^(nt)$
A=future amount
P=present amount
r=rate in decimal
n=number of times per year compounded
t=time in years

given
P=200
R=0.04
N=12 (12 months in 1 year)
t=8

$A=200(1+ (0.04)/(12))^((12)(8))$
$A=200(1+ 0.003333333)^(96)$
$A=200(1.003333333)^(96)$
A=275.279
round
275.28

D is answer

The worth of $200 invested at 4% interest compounded monthly after 8 years would be $275.28.

What is the future value?

When an amount is compounded monthly, both the amount invested and the interest accrued increase in value every month.

The formula for calculating future value:

FV = P (1 + r)^nm

FV = Future value
P = Present value
R = interest rate
m = number of compounding
N = number of years

$200(1 + 0.04/12)^(12 x 8) = $275.28

To learn more about future value, please check: brainly.com/question/18760477

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Find the stationary point on the curve y=3x^4 +1 and determine its nature

Answers

$y=3x^4+1\ny'=12x^3\n\n12x^3=0\nx=0\leftarrow \text{stationary point}\n\n\forall x\in(-\infty,0)\ y'<0\Rightarrow y\searrow\n\forall x\in(0,\infty)\ y'>0\Rightarrow y\nearrow\n\Downarrow\ny(0)=y_(min)$

$y_(min)=3\cdot0^4+1=1$

How to solve 5x-2(3x-7)=20

Answers

Hi ;) !

These is : 5x-2(3x-7)=20
      5x-6x+14= 20
      -x= 20-14
   -x=6
      x= -6

5x-2(3x-7)=20
5x-6x+14=20
-1x=6
X=-6

One of two complementary angles is 4 degrees more than the other. Find the angles. (Recall that complementary angles are angles whose sum is 90 degrees.)Which of the following equations can not be used to solve the problem if x represents one of the angles?

Answers

$\displaystyle \n \alpha + \beta = 90^o \n \alpha - \beta = 4^o \n \texttt{----------- } + \n 2\alpha ~~/~= 94^o \n \n \alpha = (94)/(2) = \boxed{47^o}\n \n \beta = 90 -\alpha = 90 - 47 = \boxed{43^o}$

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