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3 years ago

THIS IS DUE TONIGHT and i dont know how to do it HELP!

Mathematics

2 answers:

koban [17]3 years ago

5 0

9514 1404 393

Answer:

h = 3V/A

Step-by-step explanation:

Multiply by h to get it out of the denominator.

Ah = 3V

Divide by the coefficient of h to get it by itself.

h = 3V/A

_____

Whatever you do to one side of the equation must also be done to the other side. When we say "multiply by h", you should understand that to mean "multiply both sides of the equation by h."

This rule, "do the same thing to both sides of the equation," is the property of equality that makes Algebra work.

arsen [322]3 years ago

4 0

Answer:

osea un momento!!

Step-by-step explanation:

.....

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A 300-lb gorilla climbs a tree to a height of 30 ft. Find the work done if the gorilla reaches that height in the following time

omeli [17]

Answer:

a) 9000 ft-lb

b) 9000 ft-lb

Step-by-step explanation:

Equation for the work:

The equation for the work done is given by:

$W = Fd$

In which F is the force needed and d is the distance. The time does not interfere on the work.

A 300-lb gorilla climbs a tree to a height of 30 ft

This means that $F = 300, h = 30$

Thus

$W = Fd = 300(30) = 9000$

The work done in both cases is of 9000 ft-lb, as the work is not a function of time.

4 0

3 years ago

A football is kicked from the ground so that its height n (in feet) t seconds after being kicked is given by h(t) = –16+48t.

damaskus [11]

Answer:

h(t) = –16+48t

h(32)=-16+48(32)

h(32)=-16+ 1536

h(32)= 1520seconds

Step-by-step explanation:

6 0

3 years ago

Simply 8×4³+2×4⁴ giving you answer in the form of 4^b

hram777 [196]

Answer:

4^5

Step-by-step explanation:

8×4³+2×4⁴

4×2×4^3+2×4^4

4^4×2+2×4^4

4^4(2+2)

4^4×4

4^5

So answer is 4^5

5 0

3 years ago

Which expression is equivalent to cos(1.4x) − cos(0.6x)?

givi [52]

Answer:

A. -2sin(x)sin(0.4x)

Step-by-step explanation:

At x=0, the given expression evaluates to zero.

For x near zero, the given expression is slightly negative. You know this because cos(1.4x) decreases faster than cos(0.6x), so their difference will be negative.

Of the answer choices, you can eliminate C and D because they are not zero at x=0. You can eliminate choice B, because it is positive for values of x near zero. The only viable choice is A:

-2sin(x)sin(0.4x)

___

Of course, a graphing calculator can help you figure this out. See the attachment. The given expression is plotted using a solid red line; the answer choice A is plotted using blue dots.