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Sphinxa [80]
4 years ago
10

Can someone tell me how to solve this?

Mathematics
1 answer:
Pachacha [2.7K]4 years ago
8 0

Answer:

The answer to your question is:

a) sin Ф = -3/√10

b) cos Ф = 1/√10

c) tan Ф = -3

Step-by-step explanation:

See the picture below

just remember

sin Ф = opposite / hypotenuse

cos Ф = adjacent / hypotenuse

tan Ф = opposite / hypotenuse

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5(2y−3)−4y=8−2y−15<br> Justify this please
juin [17]

Answer:

y=1     (sorry i dont know what justify means lol, i forgot) i know how to solve the answer lol.

Step-by-step explanation:

10y-15-4y=8-2y-15

10y-4y+2y=8-15+15

8y=8

y=1

3 0
3 years ago
Read 2 more answers
HELP ASAP GIVING BRAINLIST!!!!!!!!!!!!!
Vera_Pavlovna [14]

Answer:

x for the first one is equal to-4

4 0
3 years ago
a rectangle that is 30 inches long and 10 inches wide can be divided into two congruent squares. True or false?
Sever21 [200]

Answer:

False

Step-by-step explanation:

To split the rectangle into 2 parts, you can go one of two ways. One way would make the parts 15" by 10", and the other way would make the two parts 30" by 5". Neither way is equal on all sides, which means neither one is a square. That would make the statement false.

                                                                30

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|                                                                                                                            |

|                                                                                                                       5   |

|                                                                                                                            |

| _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _|

|                                                               30                                                         |

|                                                                                                                             |

|                                                                                                                       5    |

|                                                                                                                             |

| _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _ |

                                                          30

 _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  

|                                15                         |                                15                            |

|                                                             |                                                               |

|                                                             |                                                               |

|                                                             |                                                               |

|                                                             |   10                                                        |

|                                                             |                                                               |

|                                                             |                                                               |

|                                                             |                                                               |

|                                                             |                                                               |

|  _  _  _  _  _  _  _  _  _  _  _  _  _  _  |  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _ |

**Pretend my drawings are accurate to the lines, the tops and bottoms are actually 30 and 10 in measurement   :-) **

Hope this helps!

8 0
3 years ago
Read 2 more answers
Entering to par
alekssr [168]

Answer: you would simple multiply the cost c which is fifty bucks times the number of p people

Step-by-step explanation: how much would it cost for 6 people to go to the fair to solve this you would just set up the equation 6 * 50 and solve from there

6 0
3 years ago
a square with an area of 144 cm² is reduced by a factor of 1/3 how long are the new sides of the square?​
olga55 [171]

Answer:

4  cm

Step-by-step explanation:

The square root of 144 is 12 (12 x 12 = 144) so we know our sides of the square are 12 cm²

12 / 3 = 4

(\frac{12}{1} x \frac{1}{3})

The sides of the new square are 4 :)

Hope this helps and is correct, have a nice day! :D

3 0
3 years ago
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