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3 years ago

What is the derivative of e^(2x)

1 answer:

5 0

Using the chain rule: The derivative of e^u is (e^u)(u'). Notice that e^u is rewritten exactly as is and then multiplied by the derivative of the exponent.
Let u=2x. So u'=2
So the derivative of e^u is e^(2x)*2 This can also be written as 2e^(2x).

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Rhoda is asked to graph this system of equations: 5x - 6y = 4 3y + 2x = 7 How many times will the lines intersect? O A. The line

Daniel [21]

Answer:

C. The lines will intersect once, because this system has one solution

Step-by-step explanation:

System of equations:

5x - 6y = 4
3y + 2x = 7

The system of linear equations has one solution if the lines intersect, no solution if the lines are parallel, infinitely many solutions if lines are same

Let's put the lines into slope-intercept form to compare

Line1

5x - 6y = 4
6y = 5x - 4
y = 5/6x - 4/6

Line 2

3y + 2x = 7
3y = -2x + 7
y = -2/3x + 7/3

As we see lines have different slopes so they are different and they intersect once

This system has one solution

6 0

4 years ago

Kyle spent $155 on 9 items at the mall. Shirts were $15 and jeans were $20. How many of each did he buy?

soldi70 [24.7K]

Answer

4 jeans and 5 shirts should be right

7 0

3 years ago

Read 2 more answers

2(x + 4)2 = 20 solve by square roots

DanielleElmas [232]

Answer:

x = − 4 ± √ 10,

Step-by-step explanation:

2(x + 4)² = 20

=> 2(x + 4) (x + 4) = 20

=> 2x + 8 (x + 4) = 20

=> 2x² + 8x + 8x + 32 = 20

=> 2x² + 16x + 32 = 20

=> 2x² + 16x + 12 = 0

=> Now solve using the quadratic formula:

x = − 4 ± √ 10,

Radical form: − 4 ± √ 10,

Decimal form: -0.84, -7.16

Hope this helps!

5 0

3 years ago

Which expression is equal to 7/v5

bagirrra123 [75]

Its b because to simplify radical you multiply by in this instance sqrt of 5 on the denominator and numerator

3 0

3 years ago

5 Points

Simora [160]

Answer: the answer is indeed (4,8)

Step-by-step explanation:

4 0

3 years ago