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Morgarella [4.7K]
3 years ago
7

Which equation has (2, -1) as a solution a. y=2x-1 b. y=x+3 c. y=x-3 d. y=-2x+1

Mathematics
2 answers:
Ilya [14]3 years ago
6 0

Answer:

y=x-3

-1=2-3=-1

............

AlladinOne [14]3 years ago
6 0

...........

c . y = x - 3

..........

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Please helpppppppppp!
Keith_Richards [23]

Answer:

9

Step-by-step explanation:

The range of a data set is the largest number minus the smallest number. so it would be 9-0= 9

hope this helps!!

btw if somebody could please answer my recent question i would really appreciate it!!

7 0
3 years ago
Find the missing angle
Mamont248 [21]

Answer:

110 Degrees

Step-by-step explanation:

Every interior triangle equalls 180 degress. So you subtract what you already have from 180.

30+40+x=180

70+x=180

180-70=110

6 0
3 years ago
Read 2 more answers
if you stop at random in front of an animal exhibit,What is the probability that you will be looking at monkeys? I put the table
Mkey [24]

Answer:

1/10

step-by-step explanation:

----------------------------------

| animals | percent of animals |

----------------------------------

|    goats    |          16%           |

----------------------------------

|    camels    |          4%           |

----------------------------------

|    giraffes    |          6%            |

----------------------------------

|    llamas    |          6%           |

----------------------------------

|   deer    |          1%           |

----------------------------------

|   monkeys    |          10%           |

----------------------------------

|   birds    |          27%           |

----------------------------------

|   reptiles    |          14%           |

----------------------------------

|   bears    |          16%           |

----------------------------------

( sorry if the table above isnt 100% right or straight ^ )

first you add up all the percents of how much animals are in this exhibit

16 + 4 + 6 + 6 + 1 + 10 + 27 + 14 + 16

= 100 %

then since we are looking for the probability of stopping in front of the monkeys, we take that 100 we got earlier and get the 10% of monkeys from our table

10/100

but since there isnt a 10/100 on the answers we look for something that equals to 10/100 and 1/10 does since you can just times both the 1 and 10 to equal the 10 and 100 you were looking for

1/10

making 1/10 your answer!

hope this helps! and if you need anymore help on this math question just ask me :)

4 0
3 years ago
Solve for x<br> x/9=7<br><br> i need help
motikmotik

Answer:

x = 63

Step-by-step explanation:

<u>Step 1:  Solve for x by multiplying both sides by 9</u>

x/9 * 9 = 7 * 9

<em>x = 63</em>

<em />

Answer:  x = 63

4 0
3 years ago
F the point (a, 7) lies on the graph of the equation 5x - y = 8, then a=
Ghella [55]
(a,7) lies on the equation of 5x-y=8, that means we solve for x when y=7.

5x-(7)=8
5x=8+7=15
x=3
=>
a=3
7 0
3 years ago
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