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3 years ago

Evaluate the expression 2/5 divided by 1/5 plus 4/5 divided by 1/3

Mathematics

1 answer:

Anna007 [38]3 years ago

6 0

Answer:

The answer I got is 4 2/5.

Step-by-step explanation: 2/5 divided by 1/5 is 2. 4/5 divided by 1/3 is 2 2/5. 2 plus 2 2/5 is 4 2/5.

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Simone can archange $100 for 300 Swiss francs. At that rate, how many dollars would a 330-franc Swiss

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Answer:

450

Step-by-step explanation:

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3 years ago

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dybincka [34]

Answer:

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2 years ago

Read 2 more answers

If cos A = 3 over 11, then which of the following is correct?

ziro4ka [17]

Answer: The answer is (a) sec A = 11 over 3.

Step-by-step explanation: Given that Cosine of an angle 'A' is 3 over 11,

i.e.,

$\cos A=\dfrac{3}{11}.$

And we need to find which one of the given four options is correct.

We have the following relations between cosine, secant and cosecant of an angle from trigonometry.

$\sec A=\dfrac{1}{\cos A}~~\textup{and}~~\csc A=\dfrac{1}{\sqrt{1-\cos^2 A}}.$

Therefore,

$\sec A=\dfrac{11}{3}$

and

$\csc A=\dfrac{1}{\sqrt{1-\frac{9}{121}}}=\dfrac{1}{\sqrt{\frac{112}{121}}}=\dfrac{11}{4\sqrt 7}.$

Thus, the correct option is (a) sec A = 11 over 3.

3 0

3 years ago

What is the remainder when the polynomial 6x^2 + 11x - 3 is divided by x + 2?

Firlakuza [10]

Answer:

Same

Step-by-step explanation:

Same tayo ng question

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3 years ago

Scientific notation 100400

ad-work [718]

1.004 * 10^5
all scientific notation equations have to be a number greater than 1 but less than 10
then multiplied by 10 to the power of (move the decimal point to the right however many times you need, in this case 5) :)

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3 years ago