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3 years ago

3(2^9x-8)-7=14 solve for x

Mathematics

1 answer:

erik [133]3 years ago

8 0

Answer:

The answer will be -12295

Step-by-step explanation:

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The length of a rectangle is 5 feet and the width is 8 feet.what is the area of the rectangle

aliya0001 [1]

Answer:

40 ft squared

Step-by-step explanation:

To calculate area of a rectangle, you use the formula length times width, or base times height.

5 x 8 = 40 feet squared

5 0

3 years ago

Which of the following is most likely the next step in the series?

DedPeter [7]

Answer:

Step-by-step explanation:

It's a repeating pattern

6 0

3 years ago

Read 2 more answers

4x = 3x+5<br> This is hard!

yKpoI14uk [10]

Answer:

x=5

Step-by-step explanation:

4x-3x=5

x=5

6 0

3 years ago

Read 2 more answers

Find an equation of the tangent line to the curve 2(x2+y2)2=25(x2−y2) (a lemniscate) at the point (−3,1). An equation of the tan

valina [46]

$2(x^2+y^2)^2=25(x^2-y^2)$

Let $y=y(x)$ , so that differentiating both sides wrt $x$ gives

$4(x^2+y^2)\left(2x+2y\dfrac{\mathrm dy}{\mathrm dx}\right)=25\left(2x-2y\dfrac{\mathrm dy}{\mathrm dx}\right)$

If $x=-3$ and $y=1$ , the above reduces to

$40\left(-6+2\dfrac{\mathrm dy}{\mathrm dx}\right)=25\left(-6-2\dfrac{\mathrm dy}{\mathrm dx}\right)\implies\dfrac{\mathrm dy}{\mathrm dx}=\dfrac9{13}$

This is the slope of the tangent line, which has equation

$y-1=\dfrac9{13}(x+3)\implies\boxed{y=\dfrac{9x+40}{13}}$

7 0

3 years ago

Solving multi step Equations

Snowcat [4.5K]

Hello there!

2(x + 5) = 3x + 1

You want to start with the distribution property

(2)(x) + (2)(5) = 3x + 1

2x + 10 = 3x + 1

2x - 3x = 1 - 10

-x = -9

Multiply by -1 to remove the negative sign

x = 9

3y - 4 = 6 - 2y

3y + 2y = 6 + 4

5y = 10

y = 10/5

As always, it is my pleasure to help student like you.

5 0

4 years ago