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3 years ago

Can someone answer this i need help

Mathematics

2 answers:

NISA [10]3 years ago

4 0

The answer is 6x^6 - 10x^3 + 8x^2

Oxana [17]3 years ago

3 0

All that is needed to do is to simplify the expression.

The answer to your question is:

$6 x^{6}$ - $10 x^{3}$ + $8x^{2}$

Hope I helped!

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How many people will occupy a 5280ft by 20ft space if 15 people occupied 25 square ft space

UNO [17]

Answer:

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Step-by-step explanation:

the area of space =

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105,600/25 × 15 = 63,360 people

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3 years ago

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3 years ago

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trasher [3.6K]

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4 years ago

A total of $6000 was invested, part of it at 3% interest and the remainder at 8%. If the total yearly interest amounted to $380,

Nastasia [14]

$ 2000 is invested at 3 % interest and $ 4000 is invested at 8 % interest

Solution:

Given that, total of $6000 was invested

Let "x" be the amount invested at 3 % interest

Then, (6000 - x) is the amount invested at 8 % interest

Given that,

The total yearly interest amounted to $380

Then, we can frame a equation as:

$x \times 3 \% + (6000 - x) \times 8 \% = 380$

Solve the above expression for "x"

$x \times \frac{3}{100} + (6000-x) \times \frac{8}{100} = 380\\\\0.03x + (6000-x) \times 0.08 = 380\\\\0.03x + 480 - 0.08x = 380\\\\-0.05x = -100\\\\\text{Divide both sides by -0.05 }\\\\x = 2000$