9x^2-16y^2=
(3x+4y)(3x-4y)
Answer:
<u><em>3.5 °C</em></u>
Step-by-step explanation:
- To find the answer multiply 3 and 7 to get the sum of the temperatures in the first seven days.
3 x 7 = 21
- Add 21 and 8 together to get the sum of the temperatures in the first 8 days.
21 + 8 =29
- Divide 29 by 8 to get the mean temperature for the first eight days.
29 ÷ 8 = 3.5
3.5 °C
Answer:
N/12 -10
Step-by-step explanation:
Answer:
y= -1/2x +6
Step-by-step explanation:
y=MX+b
hope this helps
12 = 3x - 15
12 + 15 = 3x
27 = 3x
27/3 = x
9 = x
x = 9
