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2 years ago

Whats 560,233,827,222,400 X 2 my computer doesnt respond also whats 8,591,715,599,360 X 2

Mathematics

1 answer:

levacccp [35]2 years ago

6 0

The first answer is 1120,467,654,444,800

the second answer is 17,183,431,198,720

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If mal buys $245. And Zack buys $567.who's cost more and why.

erica [24]

Well Zack's cost more because, he paid $567.00 for whatever he bought, while Mal paid $245.00 for whatever he bought.

5 0

2 years ago

Read 2 more answers

Multiply. 3 1/2 · 2 2/3 A. 9 1/3 B. 9 2/3 C. 21 1/16 D. 9 1/6

Jet001 [13]

3 1/2 · 2 2/3

= 7/2 · 8/3

= 56/6

= 9 2/6

= 9 1/3

Answer

A. 9 1/3

6 0

2 years ago

Read 2 more answers

An oil refinery is located on the north bank of a straight river that is 2 km wide. A pipeline is to be constructed from the ref

hichkok12 [17]

Answer:

P is exactly 3km east from the oil refinery.

Step-by-step explanation:

Let's d be the distance in km from the oil refinery to point P. So the horizontal distance from P to the storage is 3 - d and the vertical distance is 2. Hence the diagonal distance is:

$\sqrt{(3 - d)^2 + 2^2} = \sqrt{(3 - d)^2 + 4}$

So the cost of laying pipe under water with this distance is

$800000\sqrt{(3 - d)^2 + 4}$

And the cost of laying pipe over land from the refinery to point P is 400000d. Hence the total cost:

$800000\sqrt{(3 - d)^2 + 4} + 400000d$

We can find the minimum value of this by taking the 1st derivative and set it to 0

$800000\frac{2*0.5*(3-d)(-1)}{\sqrt{(3 - d)^2 + 4}} + 400000 = 0$

We can move the first term over to the right hand side and divide both sides by 400000

$1 = 2\frac{3 - d}{\sqrt{(3 - d)^2 + 4}}$

$\sqrt{(3 - d)^2 + 4} = 6 - 2d$

From here we can square up both sides

$(3 - d)^2 + 4 = (6 - 2d)^2$

$9 - 6d + d^2 + 4 = 36 - 24d + 4d^2$

$3d^2-18d+27 = 0$

$d^2 - 6d + 9 = 0$

$(d - 3)^2 = 0$

$d -3 = 0$

d = 3

So the cost of pipeline is minimum when P is exactly 3km east from the oil refinery.

3 0

2 years ago

Write the quadratic equation whose roots are -4 and -3, and whose leading coefficient is 1.

ludmilkaskok [199]

Answer:

$x^{2} + 7x+12=0$

Step-by-step explanation:

Roots of the equation are -4 and -3.

Quadratic equation can be written as

$(x+4)(x+3)=0\\x(x+3)+4(x+3)\\x^{2} +3x+4x+12\\x^{2} + 7x+12=0$

4 0

3 years ago

Pergunta 5 You need to fill a football with air to play with it. You know that your pump expels air at speed of 8.2 ft/s. The ne

ra1l [238]

The volume flow rate of the air being pumped into the football will be given by:
Q=V*A
Where
V=Speed
A=Area
You know that your pump expels air at speed of 8.2 ft/s
The area of The needle of your pump is
A=pi*r^2=pi*((4.5/1000)*(3.28))^2=0.00068442 ft^2
Finally
Q=V*A=(8.2 ft/s)*(0.00068442ft^2)=0.005612243 ft^3/s

8 0

2 years ago