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kvasek [131]
3 years ago
5

If y=3x^3-2x and (dx)/(dy) = 3, find (dy)/(dt) when x=-2​

Mathematics
1 answer:
lesya692 [45]3 years ago
4 0

Answer:

dy/dx = 9x²+2

dy = (9x²+2) dx

dy/dt = (9x²+2) dx/dt

if x = 2 and dx/dt=5 then

dy/dt = (9*2²+2)*5 = 38*5 = 190

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What is the value of x?<br><br> x-2/5=7
arsen [322]
X=37/5
or 7.4 in decimal form

3 0
3 years ago
Read 2 more answers
Sam ran 3 1/4 miles on Tuesday and then ran 2 5/6 miles on Wednesday. How many total miles did Sam run ?
julsineya [31]

Answer:

6  1/12 miles total

Step-by-step explanation:

3 1/4 = 13/4

2 5/6 = 17/6        to ADD fractions, you must have a common denominator

                              I will use 12   for these

13/4 = 39/12

17/6 = 34 /12

now you can add and simplify     39/12 + 34/12 = 73/12 = 6 1/12  miles

4 0
2 years ago
Please answer this correctly​
SCORPION-xisa [38]

Answer:

1. <B, <A, <C

2. <E, <D, <F

Step-by-step explanation:

Recall: the longest side of a triangle would be opposite the largest angle, while the shortest side of a triangle would be opposite the smallest angle.

1. <B is opposite the shortest side, 3 (smallest angle)

<A is opposite the medium side, 4 (medium angle)

<C is opposite to the largest side, 5 (largest angle)

Therefore, the angles in ascending order would be:

<B, <A, <C

2. <E is opposite the shortest side, 5 (smallest angle)

<D is opposite the medium side, 6 (medium angle)

<F is opposite to the largest side, 7 (largest angle)

Therefore, the angles in ascending order would be:

<E, <D, <F

6 0
3 years ago
Can some help me answer this question ASAP
Maru [420]

Answer:

A

Step-by-step explanation:

v + w   //substitute values

-3i + 2 - 4i  //combine like terms

-7i +2

4 0
3 years ago
Can someone please help me? Thank you!
Volgvan

Answer:

Step-by-step explanation:

1) 5^{\frac{2}{3} } is in exponential form.

<u>Now, radical form is </u>\sqrt[3]{5^{2} }

2) 5^{\frac{1}{2} } is in exponential form.

<u>Radical form is </u>\sqrt{5}

3) 3^{\frac{2}{5} } is in exponential form.

<u> Radical form is </u>\sqrt[5]{3^{2} }

4) 3^{\frac{5}{2} } is in exponential form.

<u> Radical form is </u>\sqrt{3^{5} }

<h3><u>If you need to ask any question, please let me know.</u></h3>
5 0
2 years ago
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