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Alisiya [41]
3 years ago
9

If y = 2x^3 + 4x and dx/dt = 2, find dy/dt when x = 4.

Mathematics
1 answer:
S_A_V [24]3 years ago
5 0

dy/dx = 6x² +4 . . . . . using the power rule

dy/dt = (dy/dx)×(dx/dt) = (6(4²) +4)×2

dy/dt = 200 . . . at x=4

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My math homework says 32 over 41 equals 96 over blank what is the blank ??
Bingel [31]
The blank is 123 because 32/41=96/123.
your multiplying 32 by 3 to get 96.
That means you have to multiply the bottom by 3 too.
41 multiplied by 3 is 123.
And 123 is the blank.
4 0
3 years ago
Read 2 more answers
you roll a 6-sided die with faces numbered 1 through 6, and toss a coin what is the probability of rolling a 2 or getting heads
KatRina [158]

Answer:

2/3

Step-by-step explanation:

You have 6 possible outcomes. Getting 1 outcome is 1/6. You have 2 possible outcomes. Getting 1 outcome is 1/2.

Add 1/2 and 1/6 to get 2/3

5 0
3 years ago
How do you slove 3x+4y=8 in steps
gavmur [86]
<span><span><span>3x</span>+<span>4y</span></span>=8
</span>Add -4y to both sides
<span><span><span><span>3x</span>+<span>4y</span></span>+<span>−<span>4y</span></span></span>=<span>8+<span>−<span>4y</span></span></span></span><span><span>3x</span>=<span><span>−<span>4y</span></span>+8
</span></span>Then you divide both sides by 3
<span><span><span>3x/</span>3</span>=<span><span><span>−<span>4y</span></span>+8/</span>3</span></span><span>x=<span><span><span><span>−4/</span>3</span>y</span>+<span>8/3
</span></span></span>And your answer is ...
<span>x=<span><span><span><span>−4/</span>3</span>y</span>+<span>8/<span>3</span></span></span></span>
7 0
3 years ago
1/6x + 5/2 = -1/3 Help solve for x
dangina [55]
Start by finding the common denominators (in this case, 6)

So;

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5 0
4 years ago
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Please help!!!!! I need to pass this class!!
yulyashka [42]
Angle R is 33 degrees
7 0
4 years ago
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