Answer:
She would want plan B
Step-by-step explanation:
20/3
taking the reciprocal is the same as flipping the fraction upside, and the 2 fractions should then multiply together to make 1
Answer:
#3 and #4 and #6
Step-by-step explanation:
a function is when there is only one x for one y, so if two points have the same x value but different y value, they cannot be a function
Answer:
4y + (y − 1) = 29
(2y + 3) − 4 = 9
4y − y + 1 = 13
Step-by-step explanation:
We will have to check each equation for the given values of y.
So,
1. (2y + 3) − 4 = 9
For y=4
[2(4)+3]-4=9
(8+3)-4=9
11-4=9
7=9
Not true for 4
For y=5
[2(5)+3]-4=9
(10+3)-4=9
13-4=9
9=9
True for 5
2. 4y − y + 1 = 13
For y=4
4(4)-4+1=13
16-4+1=13
13=13
True for 4
3. 4y + (y − 1) = 29
As we have already used 4 and 5 we will check for 6 and onwards
For y=6
6(4)+(6-1)=29
24+5=29
29=29
So the equations in decresing order of y that make them true are:
4y + (y − 1) = 29
(2y + 3) − 4 = 9
4y − y + 1 = 13 ..
Answer:
30 minutes will it take to reach its specified operating temperature from 25°C.
Step-by-step explanation:
Initial Temperature of oven = 25°C
Time taken by oven to reach 85°C temperature = 15 minutes
We have to find time taken by oven to reach at temperature of 145°C
Increase in temperature in 15 minute = 85 - 25 = 60°C
So, Time take by oven to increase 60°C temperature = 15 min
Time take by oven to increase 1°C temperature = 
Temperature we have to increase = 145 - 25 = 120°C
Time take by oven to increase 120°C temperature = 
Therefore, 30 minutes will it take to reach its specified operating temperature from 25°C.