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enyata [817]
2 years ago
7

How would 5/9 be classified? 1. Rational and real? 2. Whole and integer? 3. Only real? Or 4. Only irrational

Mathematics
2 answers:
lord [1]2 years ago
6 0
How would 5/9 be classified? 1. Rational and real. (: 
Elena-2011 [213]2 years ago
5 0
A rational number is any number that can be written as a ratio or a fraction.

So 5/9 is  a rational number. So basically that eliminates 2, 3, and 4.

And we are left with 1. as our answer choice which is Rational and real.
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A college finds that of the 861 students taking math, 525 students are business majors and 202 students are taking math and are
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Answer:

Step-by-step explanation:

202 students taking math and are business majors

only math, would be (861 - 202) = 659

only business majors, would be (525 - 202) = 323

so there are (659 + 323) = 982 that are math or business majors

5 0
3 years ago
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6 0
3 years ago
Find sin(a+B)
diamong [38]

Answer:

Cos A=5/13

we have

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25/169=1-Sin²A

sin²A=1-25/169

sin²A=144/169

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again

Tan B=4/3

P/b=4/3

p=4

b=3

h=\sqrt{3²+4²}=5

Now

Sin B=p/h=4/5

in IV quadrant sin angle is negative so

Sin B=-4/5

CosB=b/h=3/5

Now

<u>S</u><u>i</u><u>n</u><u>(</u><u>A</u><u>+</u><u>B</u><u>)</u><u>:</u><u>s</u><u>i</u><u>n</u><u>A</u><u>c</u><u>o</u><u>s</u><u>B</u><u>+</u><u>C</u><u>o</u><u>s</u><u>A</u><u>s</u><u>i</u><u>n</u><u>B</u>

<u>n</u><u>o</u><u>w</u><u> </u>

<u>substitute</u><u> </u><u>value</u>

<u>Sin(A+B):</u>12/13*3/5+5/13*(-4/5)=36/65-4/13

<u>=</u><u>1</u><u>6</u><u>/</u><u>6</u><u>5</u><u> </u><u>i</u><u>s</u><u> </u><u>a</u><u> </u><u>required</u><u> </u><u>answer</u>

6 0
2 years ago
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