2 years ago

Find the product. -2x(x2 - 3)

Mathematics

1 answer:

zalisa [80]2 years ago

5 0

Step-by-step explanation:

-2x(x2 - 3)

-2x³+6x

Hope it helps ☺️

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A person is canoeing on a river. Her overall speed is 3.4 mile(s) per hour up river and 5.6 mile(s) per hour down river. Find th

PIT_PIT [208]

Answer:

a) $v_{river} = 1.1\,mph$ , b) $v_{person} =4.5\,mph$

Step-by-step explanation:

Overall speeds up river and down river are modelled by following expressions:

Up River

$-3.4\,mph = v_{river} - v_{person}$

Down River

$5.6\,mph=v_{river} + v_{person}$

After some algebraic manipulations, speeds are found:

$v_{river} = 1.1\,mph$

$v_{person} =4.5\,mph$

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2 years ago

What is the slope and y-intercept for y=3/4x

grin007 [14]

Answer:

the slope is

$\frac{3}{4}$

and y intercept is 0

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2 years ago

The right triangle ABC is shown below. Find the missing side by using the Pythagorean theorem,if a=6ft and b=8ft

docker41 [41]

Answer:

c = 10

Step-by-step explanation:

Using Pythagoras' theorem

The square on the hypotenuse of a right triangle is equal to the sum of the squares on the other 2 sides, that is

c² = a² + b² ← substitute values

c² = 6² + 8² = 36 + 64 = 100 ( take the square root of both sides )

c = $\sqrt{100}$ = 10

4 0

2 years ago

Read 2 more answers

I need the solutions

MAXImum [283]

Answer:

(-1, -2)

Step-by-step explanation:

The solution is the intersection, which is at (-1, -2)

4 0

2 years ago

Can somebody please help me with this please I would realllyy appreciate it !

Nuetrik [128]

While I'd be very glad to help you reasonably, I don't find your posting 10 questions at once to be reasonable.

Here's ONE of the problems: -2m^2 + 5mn
This can be factored, as follows: m(-2m + 5n) (answer)

8 0

2 years ago