Answer:
Step-by-step explanation:
<u>Given</u>
- The mean temperature for the first 4 days = -12°C
- The mean temperature for the first 5 days = -13°C
<u>To find</u>
- The temperature on the 5th day
<u>Solution</u>
- Total of 4 days = 4*(-12) = -48°C
- Total of 5 days = 5*(-13) = -65°C
<u>The difference is the temperature on the 5th day:</u>
Answer:

Step-by-step explanation:
The given figure shows a triangular pyramid having 16 units as height. The base of pyramid is triangle.
The area of a triangular pyramid is given by :

Where
b is the area of base

So, the required area is equal to
.
Answer:
0.407
Step-by-step explanation:
<u>0. 4 0 7</u>
2 0 /8. 1 4 0
−<u> 0</u>
8 1
<u>− 8 0 </u>
1 4
<u> − 0 </u>
1 4 0
−<u> 1 4 0</u>
0
Answer:
I think this would be 182
Step-by-step explanation:
Answer:
Step-by-step explanation:
(1) P = 5G
(2) G + P = 30
Substituting (1) into (2) gives:
G + 5G = 30
6G = 30
G =5
So there are 5 green pencils.
Now using that in (1) gives us P = 5 x 5 = 25
So there are 5 green pencils and 25 purple pencils.