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3 years ago

Integrating secx(sex+tanx) and the steps please!

1 answer:

8 0

Simply distrbution and direct application of memorized integrals

I will refer the integration sign as int

J = Int secx(secx + tanx ) dx = int sec^2x + secxtanx dx

Remember int sec^2x dx= tanx +c
Int secxtanx = secx +c

If you wanna their proof just request

J = tanx + secx +c

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tom is 57 years old. Tom has a son ,james. In 3 years tom will be twice as old as james. How old is james

Serhud [2]

Answer: 27

Step-by-step explanation:

Tom is 57 now. In 3 years he will be 60, but also twice as old as his son. 1/2 of 60 is 30. 30 minus the 3 years that hasn’t happened yet equals 27.

3 0

3 years ago

Read 2 more answers

What is the value of x????

Arte-miy333 [17]

Answer:

Step-by-step explanation:

${18}^{2} = {x}^{2} + {x}^{2} \\ \frac{18 \times 18}{2} = {x}^{2} \\ x = \sqrt{9 \times 18} \\ x = \sqrt{9 \times 9 \times 2} \\ x = 9 \sqrt{2}$

4 0

2 years ago

You launch a water balloon. The function h=-0.08t^2+1.6t+2 models the height h (in feet) of the water balloon after t seconds. W

stellarik [79]

Answer:

The initial height of the balloon is 2 feet.

Step-by-step explanation:

The height of the balloon in feet after t seconds is given by the following equation:

$h(t) = -0.08t^{2} + 1.6t + 2$

What is the initial height of the balloon?

This is h when t = 0, that is, h(0). So

$h(0) = -0.08*0^{2} + 1.6*0 + 2 = 2$

The initial height of the balloon is 2 feet.

4 0

2 years ago

A cylindrical cooler has a diameter of 30 inches and a height of 24 inches . If a cup has a diameter of 3 inches and a height of

Aleks04 [339]

Answer:

The answer to your question is 600 cups

Step-by-step explanation:

Data

Cylinder Cup

diameter = 30 in diameter = 3 in

height = 24 in height = 4 in

Process

1.- Calculate the volume of the cylinder

Volume = πr²h

-Substitution

Volume = (3.14)(30/2)²(24)

-Simplification

Volume = (3.14)(15)²(24)

Volume = (3.14)(225)(24)

-Result

Volume = 16959 in³

2.- Calculate the volume of the cup

Volume = (3.14)(3/2)²(4)

-Simplification

Volume = (3.14)(1.5)²(4)

Volume = (3.14)(2.25)(4)

-Result

Volume = 28.26 in³

3.- Divide the volume of the cylinder by the volume of the cup

Number of full cups = 16959 in³ / 28.26 in³

Number of full cups = 600

8 0

3 years ago

Read 2 more answers

If f(x) = 3x - 5, than f(2) =

Mamont248 [21]

If we substitute 2 into x it'll be:

$3x - 5 \\ 3(2) - 5 \\ 6 - 5 \\ 1$

5 0

2 years ago