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3 years ago

How do you solve 9 2/3 minus 3 5/6

Mathematics

1 answer:

Nastasia [14]3 years ago

5 0

Answer:

7/2

Step-by-step explanation:

Multiple: 9 * 2 = 18

Divide: the result of step No. 1 : 3 = 18 : 3 = 6

Multiple: 3 * 5 = 15

Divide: the result of step No. 3 : 6 = 15 : 6 = 2.5 = 5

Subtract: the result of step No. 2 - the result of step No. 4 = 6 - 5

= 6

- 5

= 6 · 2

1 · 2

- 5

= 12

- 5

= 12 - 5

= 7

I dont know if this makes sence though

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3 years ago

Question 6 options: tan D tan F cos F sin F

ivanzaharov [21]

Answer:

tan F

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Tickets to a concert cost $2 for children, $3 for teenagers and $5 for adults. When 570 people attended the concert, the total t

-Dominant- [34]

Let

x--------> the number of children

y------> the number of teenagers

z------> the number of adults

we know that

$2x+3y+5z=1,950$ ------> equation A

$x+y+z=570$ -----> equation B

$y=\frac{3}{4}x$

$x=\frac{4}{3}y$ -------> equation C

Substitute equation C in equation A and equation B

$2[\frac{4}{3}y]+3y+5z=1,950$

$\frac{17}{3}y+5z=1,950$ --------> equation D

$[\frac{4}{3}y]+y+z=570$

$\frac{7}{3}y+z=570$ --------> equation E

Multiply equation E by $-5$

$-\frac{35}{3}y-5z=-2,850$ --------> equation F

Adds equation D and equation F

$\frac{17}{3}y+5z=1,950\\\\-\frac{35}{3}y-5z=-2,850\\\\---------\\\\-\frac{18}{3}y=-900\\\\y=3*900/18\\\\y=150\ teenagers$

therefore

the answer is the option

$150\ teenagers$

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