3 years ago

I need help pls. I will give brainliest.

1 answer:

Nookie1986 [14]3 years ago

8 0

For the first one, No she is not correct because to find the slope you must use y1-y2/x1-x2 so it would be 12-4/9-7
For the 2nd one it’s B.

You might be interested in

Suppose the average of 15 consectutive numbers is 15. What is the average of the first five numbers of the set?

Marina86 [1]

15x15= 225

15x + 105= 225

15x= 225-105

15x= 120

X=8

X+ (x+1) + (x+2) + (x+3)…etc all the way up too +(x+14)=225

The first five numbers of the set: 8, 9, 10, 11, 12

7 0

2 years ago

What is the opposite -2/5

Yuri [45]

Answer:

it would be a positive 2/5

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Andrew has one book that is 2 3/7 inches thick and a second book that is 3.56 inches thick. If he stacks the books, about how ta

MA_775_DIABLO [31]

Answer:

6 inches

Step-by-step explanation:

So first you would make 2 3/7 a dismal. So that is 2.43. Then you add 2.43 and 3.56 to get 5.99 inches tall. The you round to the nearest whole number to get 6 inches.

3 0

4 years ago

Find the standard deviation of the sample ($23.14, $20.12, $56.21, $34.56, $43.74)

Shkiper50 [21]

Answer:

S.D=61.824137824783

Step-by-step explanation:

6 0

3 years ago

ASAPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

cestrela7 [59]

the answer is 1/10 :))))))))