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Oliga [24]
3 years ago
15

25 POINTS!!!!! add. express your answer as a fraction. Do not include spaces in your answer 5 1/4+ 15.5

Mathematics
2 answers:
ICE Princess25 [194]3 years ago
8 0

Answer:

20\frac{3}{4}

Step-by-step explanation:

=> 5\frac{1}{4} + 15\frac{1}{2}

=> \frac{21}{4}+ \frac{31}{2}

=> \frac{21+62}{4}

=> \frac{83}{4}

=> 20\frac{3}{4}

ss7ja [257]3 years ago
5 0

Answer:

The answer is 83/4

Step-by-step explanation:

5 1/4+15.5

21/4+15.5

Taking LCM

21/4+15.5*4/1*4

21/4+62/4

83/4

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marshall27 [118]
Answer is (4x³ - 6)(16x² + 36 + 24x³)
8 0
3 years ago
True or false 49 is a irratinal number
Vikki [24]

Answer:

false

Step-by-step explanation:

49 is a rational no

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7 0
3 years ago
Read 2 more answers
Evaluate the expression 2/5+3/4 / 1/2
hram777 [196]
(0.4+0.75)/0.5
Your answer is 2.3

UPDATE
the answer is either 2 (3/10) as a mixed number or 23/10 as an improper fraction

8 0
3 years ago
What is the ratio of a to b 9/17= 3a/ a+b<br><br> 3/14<br> 6/17<br> 13/17<br> 50/9
Anarel [89]

Answer:

3/14

Step-by-step explanation:

We want to find the ratio of a to b, or a/b

9/17 = 3a/ (a+b)

Multiply each side by 17

17*9/17 =17* 3a/ (a+b)

9 = 51 a/ (a+b)

Multiply each side by (a+b)

9 (a+b) = 51a

Distribute  the 9

9a +9b = 51a

Subtract 9a from each side

9a-9a +9b =51a-9a

9b = 42a

Divide each side by b

9b/b = 42a/b

9 = 42a/b

Divide each side by 42

9/42 = a/b

But we can simplify 9/42 because each is divisible by 3, so divide 9 and 42 by 3

3/14 = a/b

5 0
3 years ago
If an exterior angle of a regular polygon is 21.2º, how many sides does the polygon have?
brilliants [131]

Answer:

option 4.    17

Step-by-step explanation:

<u>sum of angles = exterior angle x n</u>

360° = 21.2° n

n = 360 / 21.2

n = 17

6 0
3 years ago
Read 2 more answers
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