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nikklg [1K]
3 years ago
6

Which proportion is not true?

Mathematics
1 answer:
murzikaleks [220]3 years ago
6 0

Answer:

\frac{1}{3} =\frac{33}{100} is not true

Step-by-step explanation:

\frac{1}{3} =\frac{33}{99} not \frac{33}{100}

This is because \frac{1}{3} in its decimal form is 0.3333333333 repeating forever.

Whereas \frac{33}{100} is just 0.33

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What is cosA for this triangle?<br><br> 48/55<br><br> 55/73<br><br> 55/48<br><br> 48/73
mash [69]

For this case we must indicate the cosine of A, of the figure shown. By definition:

Cosine (A) = \frac {Cateto\ adjacent\ to\ the \ angle} {hypotenuse}

Substituting the values we have:

Cosine (A) = \frac {48} {73}

So, we have to:

Cosine (A) = \frac {48} {73}

Answer:

Option D

4 0
3 years ago
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What is the answer to 5/12 - 3/20?
svetlana [45]
0.116 that is the answer
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Use the quadratic formula to solve 2x^2=5x+6. Leave your answer in radical form. Show all of your work!
Westkost [7]

Answer:

In radical from 169/50 , 177/200

Step-by-step explanation:

Given:

2x^2=5x+6\\\\2x^2-5x-6=0\\\\Where, a=2 , b=-5 , c=-6

Find:

Value of x

Computation:

Using quadratic formula:

\frac{-b\±\sqrt{b^2-4ac} }{2a}\\\\By\ putting\ all\ value\\\\ \frac{-(-5)\±\sqrt{(-5)^2-4(2)(-6)} }{2(2)}\\\\ \frac{5\±\sqrt{25+48} }{4}\\\\ \frac{5\±8.54 }{4}\\\\\frac{5+8.54 }{4},\frac{5-8.54 }{4} \\\\3.38 , 0.885

Value of x 3.38 , 0.885

In radical from 169/50 , 177/200

8 0
3 years ago
A water tank holds 18,000 gallons. How long will it take for the water level to reach 6,000 gallons if the water is used at an a
astraxan [27]
It will take 13.33 days to fill it to 6,000 gallons.
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What is the answer to y=-2/3+b
Mashcka [7]

Answer:

it is B

Step-by-step explanation:

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