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3 years ago

HELP ON GEOMETRY!!!!!!!!!!!!!

Mathematics

1 answer:

jeka943 years ago

5 0

What do you need help with

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8r.) Find the amount A in an account after t years given the following conditions.

Elden [556K]

You can rewrite the differential equation as

$50\cdot\dfrac{dA}{A}=dt\\\\50\ln{(A)}+C=t\qquad\mbox{integrating}\\\\t=50\ln{\left(\dfrac{A}{4000}\right)}\qquad\mbox{applying the boundary condition}$

This last expression looks like the one you describe. If you solve for A instead of t, you get

$A=4000\cdot e^{0.02t}$

This is the same as your other answer.

8 0

3 years ago

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Need help with my math homework

crimeas [40]

70 or 120 because either you multiple or addition

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3 years ago

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Which expression is equivalent to 1/3 (6m+15) +3

KengaRu [80]

The correct answer is 2x + 8.

6 0

2 years ago

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Help ASAP ! Please explain

pantera1 [17]

Answer:

C. reflection

Step-by-step explanation:

it's like your reflection on a mirror.

6 0

2 years ago

What is an equation of the line that passes through the points (-6, -2) and

den301095 [7]

Answer:

The equation of line is: $\mathbf{4x-3y=-18}$

Step-by-step explanation:

We need to find an equation of the line that passes through the points (-6, -2) and (-3, 2)?

The equation of line in slope-intercept form is: $y=mx+b$

where m is slope and b is y-intercept.

We need to find slope and y-intercept.

Finding Slope

Slope can be found using formula: $Slope=\frac{y_2-y_1}{x_2-x_1}$

We have $x_1=-6,y_1=-2, x_2=-3, y_2=2$

Putting values and finding slope

$Slope=\frac{2-(-2)}{-3-(-6)}\\Slope=\frac{2+2}{-3+6} \\Slope=\frac{4}{3}$

So, we get slope: $m=\frac{4}{3}$

Finding y-intercept

Using point (-6,-2) and slope $m=\frac{4}{3}$ we can find y-intercept

$y=mx+b\\-2=\frac{4}{3}(-6)+b\\-2=4(-2)+b\\-2=-8+b\\b=-2+8\\b=6$

So, we get y-intercept b= 6

Equation of required line

The equation of required line having slope $m=\frac{4}{3}$ and y-intercept b = 6 is

$y=mx+b\\y=\frac{4}{3}x+6$

Now transforming in fully reduced form:

$y=\frac{4x+6*3}{3} \\y=\frac{4x+18}{3} \\3y=4x+18\\4x-3y=-18$

So, the equation of line is: $\mathbf{4x-3y=-18}$

6 0

2 years ago