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3 years ago

So my cousin sent me this saying that she needs help . I use to know how to do this but I forgot . Can anyone help me with this

Mathematics

1 answer:

Fofino [41]3 years ago

8 0

Im pretty sure it is either c or d

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The slope of the tangent line for the curve r=2 cos(3 theta) where theta = pi/6 is.

Phantasy [73]

as you already know, the slope of the tangent line is simply the derivative of the function, so

$r=2cos(3\theta )\implies \cfrac{dr}{d\theta }=2\stackrel{chain~rule}{\left[ -sin(3\theta )\cdot 3 \right]} \\\\\\ \left. \cfrac{dr}{d\theta }=-6sin(3\theta ) \right|_{\theta =\frac{\pi }{6}}\implies -6sin\left( 3\cdot \frac{\pi }{6} \right)\implies -6sin\left( \frac{\pi }{2} \right)\implies -6$

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2 years ago

Simplify. remove grouping sbols and combine like terms

harina [27]

Answer:

$5a^2+12b^2-40b$

Step-by-step explanation:

First distribute the -4 to the 2b and -3b. This leaves you with $5a^2-8b+12b(b+4)$

Now you can distribute the 12b to b and +4. This leaves you with $5a^2-8b+12b^2+48b$

Now you can combine your like terms leaving you with $5a^2+12b^2-40b$ .

3 0

2 years ago

What is the value of n? Write your answer as a number only

GalinKa [24]

Answer:

Step-by-step explanation:

5 0

3 years ago

What is the range of the function y = e Superscript 4 x

Alborosie

Answer:

A. Less than zero

Step-by-step explanation:

So If you graph the function, you'll see that it never actually crosses the y axis into the third or fourth quadrant, the quadrants where all y values become negative.

The answer A is also correct on Edge

Have a great day dude

3 0

3 years ago

Read 2 more answers

Use the formula A=bh , where A is the area, b is the base length, and h is the height of the parallelogram, to solve this proble

Anettt [7]

A=bh
1056=32×b
÷32 ÷32
33=h
The height is 33 inches.

8 0

3 years ago

Read 2 more answers