2 years ago

-4x-7-3x+4=25

title="what is - 4x - 7 - 3x + 4 = 25 " alt="what is - 4x - 7 - 3x + 4 = 25 " align="absmiddle" class="latex-formula">

Mathematics

1 answer:

kodGreya [7K]2 years ago

8 0

Hi I don’t really understand can you explain a little bit please

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5.6 x 10 to the 6th power minus 340000 divided by 2 x 10 to the 3rd power

professor190 [17]

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2 years ago

A plane can fly 305 miles downwind in the same amount of time as it can travel 215 miles upwind. Find the velocity of the wind i

son4ous [18]

Answer:

We can compute this in 2 ways:

305 downwind - 260 still air = 45 mph wind velocity

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Step-by-step explanation:

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3 years ago

PLEASE HELP ME WITH THIS QUESTION ITS URGENT!!!

Alex Ar [27]

Start by distributing the exponent to each of the terms in $(2u)^{3}$ . This will become $2^{3} u^{3}$ , and $2^{3} =8$ . Now, the expression is:

$\frac{2u^{3} v^{2} }{8u^{3} * u^{2} }$ .

We can now simplify the bottom to read: $8u^{5}$ because when multiplying variables raised to an exponent, we add the exponents. The expression now looks like:

$\frac{2u^{3} v^{2} }{8u^{5} }$

The 2/8 simplifies to 1/4:

$\frac{u^{3} v^{2} }{4u^{5} }$

Now, we have two u terms on the top and bottom. When dividing variables raised to an exponent, we subtract the exponents. However, since 3-5=-2, the term will be on the bottom to avoid the negative exponent. The final answer is:

$\frac{v^{2} }{4u^{2} }$