Answer:
7
+
5
+
8
4
+
2
3
−
4
Step-by-step explanation:
copy and paste
Answer:
numerical
Step-by-step explanation:
i guess not sure though
Cos = adjacent / hypotenuse
cos 25° = 4 / AB
cos 25° • AB = 4 / AB • AB
AB cos 25° ÷ cos 25° = 4 ÷ cos 25°
AB = 4/cos 25°
AB = 4.41 (nearest hundredth)
Answer:
The graph is shown below.
The time to make the taste to half is <u>4.265 s.</u>
Step-by-step explanation:
Given:
Initial value of the taste is, 
Therefore, the quality of taste over time 't' is given as:

Now, when the taste reduces to half, 
Therefore,

Taking natural log on both the sides, we get:

Therefore, the time to make the taste to half is <u>4.265 s.</u>
Answer:
Step-by-step explanation:
Henry X blue
Rachel 5 blue and Y black
Jack 3 times the total of pens ( blue & black)
So
X + 5 + Y for Henry and Rachel
Jack : 3( X + 5 + Y)
Jack has 3X + 15 + 3Y.
Pens of jack 3X + 15 Blue & 3Y black.