3 years ago

Convert 0.086 to a fraction written in lowest term

Mathematics

1 answer:

stiv31 [10]3 years ago

4 0

Answer:

$\frac{43}{500}$

Step-by-step explanation:

0.086 = $\frac{0.086}{1}$ = $\frac{86}{1000}$

Simplify

$\frac{43}{500}$

Hope this helps :)

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An ongoing promotion at a department store gives customers 20% off the portion of their bill that is over $100. Ruby's total bil

BigorU [14]

Answer:

The correct option is:

100 + 0.8(x - 100) = 250

Step-by-step explanation:

We are given that:

We know that a department store gives 20 % off the portion of the bill that is over 100 dollars.

Total bill is 250 and x is the amount of money she would have spent without the promotion.

The cost to which the discount applies is 0.8 ( x - 100 ).

<em>Finally the equation we get is 100 + 0.8 (x - 100) = 250.</em>

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4 years ago

Approximate to the nearest tenth the real zeros of f(x) = –5x3 + 9x2 + 12x + 2.

saul85 [17]

Correct answer is C.

$-5 x^3 + 9 x^2 +12 x+ 2=(-5 x-1) \left(x^2-2 x-2\right)
\\
\\\left\{-\frac{1}{5},1-\sqrt{3},1+\sqrt{3}\right\}\to \{-0.2,-0.732051,2.73205\}$

Or check if f(0.2) = 0 to eliminate A and B.
Then check if f(-0.5) = 0 to eliminate D.

7 0

3 years ago

Read 2 more answers

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tangare [24]

Answer:

The answer is C

Step-by-step explanation:

3 $(6)^{2}$ +4(6)