Answer:
5(y / 7)
Step-by-step explanation:
A quotient is the answer to a division problem. This tells us that y and 7 are being divided.
We have (y / 7) so far.
Five times this quotient (y / 7) can be represented by 5*, as the quotient is being multiplied by 5.
The final expression can be shown as: 5(y / 7).
Answer 108
Step-by-step explanation:
So first you would subtract 14 from 36. 36-14=12, then you would multiple by 9. 9 times 12 = 108.
Answer:
D. 0
Step-by-step explanation:
plug in the values then solve 2^2=4 3-3=0 4×0=0
Answer:
a). 59.049°C
b). 2.1179 seconds
Step-by-step explanation:
Expression representing the final temperature after decrease in temperature of the metal from 100°C to T°C is,
T =
where x = duration of cooling
a). Temperature when x = 5 seconds
T = 100(0.9)⁵
= 59.049
≈ 59.049°C
b). If the temperature of the metal decreases from 100°C to 80°C
Which means for T = 80°C we have to calculate the duration of cooling 'x' seconds
80 =
0.8 =
By taking log on both the sides
log(0.8) =log[]
-0.09691 = x[log(0.9)]
-0.09691 = -0.045757x
x =
x = 2.1179
x ≈ 2.1179 seconds
All you do is multiply the decimal by 100.
A. 132%
B. 1%
C. 12%
D. 28%