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Mkey [24]
3 years ago
12

Find the value of f(-3)f(−3).

Mathematics
1 answer:
rjkz [21]3 years ago
7 0
F(-3) means when x = -3
Find the value on the graph

Solution: f(-3) = 6
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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
Ann took a taxi home from the airport. The taxi fare was $2.10 per mile, and she gave the driver a tip of $5. Ann paid a total o
Dmitry_Shevchenko [17]
$2,10 / mile
$5 - tip
$49,10 - total
x - <span>the distance in miles 
</span>
2,10*x + 5 = 49,10\\&#10;2,10*x=44,10\\&#10;x=21

<span>Distance between airport and Ann's home is 21 miles.
</span>

Maja


4 0
3 years ago
Read 2 more answers
True or false? A correct answer is worth (2 pts). Explain how you know for the additional (2 pts). Using complete sentence for (
PtichkaEL [24]

<u>answer (in words)</u>

FALSE. the coordinate pair (5, 2) is not a solution to the equation 2x+3y=10. in order to figure out whether or not the statement is true or false, plug the x and y values from the coordinate pair (5, 2) into the given equation, 2x+3y=10. if both sides of the equation end up equal, the coordinate pair is a solution to the equation. if not, the coordinate pair is not a solution to that equation.

<em>(i hope i explained that well enough, i'm better at explaining it algebraically as opposed to putting it into words lol)</em>

<u>answer (algebraic/steps for solving)</u>

first, plug in 5 for x in the equation 2x+3y=10.

  • 2x+3y=10 ⇒ 2(5)+3y=10

then plug in 2 for y.

  • 2(5)+3y=10 ⇒ 2(5)+3(2)=10

now your equation is 2(5)+3(2)=10. all that's left to do is to simplify. you can do this in whatever order you'd like, but i'll start with multiplying 2 · 5.

  • 2(5)+3(2)=10 ⇒ 10 + 3(2) = 10

multiply 3 · 2.

  • 10 + 3(2) = 10 ⇒ 10 + 6 = 10

add 10 + 6.

  • 10 + 6 = 10 ⇒ 16=10

16 and 10 are <em>not</em> equal, therefore (5, 2) is not a solution to the equation 2x+3y=10. in order for a coordinate pair to be the solution to an equation, both sides of the equation need to end up equal after solving and simplifying.

i hope this helps! have a great rest of your day <3

6 0
3 years ago
Jaspers cafe has regular coffee and decaffeinated coffee. This morning , the café served 92 coffee In all , 25 % of which were r
RSB [31]
23 regular coffees were served.

25% means 1/4

25% x 92 = 23 regular coffees were served.

92 - 23 = 69 decaf coffees were served.
6 0
3 years ago
Using a rule why is = to 3 x + 4 find the value of y when x is 2
Alex73 [517]
X=2 so 2+4=6 so y=6. I just gone ovee this unit aswell.
4 0
4 years ago
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