Step-by-step explanation:
<em>1</em><em>1</em><em>)</em><em> </em><em>PnQ</em><em>=</em><em>QnP</em>
<em>or</em><em>,</em><em> </em><em>{</em><em>1</em><em>,</em><em>2</em><em>,</em><em>3</em><em>}</em><em>n</em><em>{</em><em>1</em><em>,</em><em>2</em><em>,</em><em>3</em><em>,</em><em>4</em><em>,</em><em>5</em><em>}</em><em> </em><em>=</em><em> </em><em>{</em><em>1</em><em>,</em><em>2</em><em>,</em><em>3</em><em>,</em><em>4</em><em>,</em><em>5</em><em>}</em><em> </em><em>n</em><em>{</em><em>1</em><em>,</em><em>2</em><em>,</em><em>3</em><em>}</em>
<em>or</em><em>,</em><em> </em><em>{</em><em>1</em><em>,</em><em>2</em><em>,</em><em>3</em><em>}</em><em> </em><em>=</em><em> </em><em>{</em><em>1</em><em>,</em><em>2</em><em>,</em><em>3</em><em>}</em><em> </em><em>.</em><em>Ans</em>
Answer:
<h2>PART A: x = 15 and y = -8</h2><h2>PART B: x = -5 and y = 3</h2>
Step-by-step explanation:
PART A:
The first equation is 
The second equation is 
Putting the value of y from (a) in the above equation, we get 
From (a) we get y = 7 - x = 7 - 15 = -8
PART B:
Here the system of equations are 
From (a) we get, 
Putting the above value of x in (b) we get, 
Hence, 
Answer:
hi:))
Step-by-step explanation:
im greatttt hbu??? currently doing school work ugh :| my pronouns she/her or They/them
Step-by-step explanation:
a)
total no. of pupils is not more than 24
therefore first equation is
(x+y) ≤ 24. ....(1)
No. of girls exceeding the no. of boys by atleast 4
(y-x) ≥ 4. .....(2)
b) Now Liza chooses 8 boys
Maximum no. of girls = ?
Using first inequality
y+8= 24 ( maximum value of less than or equal to function is equal to itself)
Therefore,
y= 24-8
=16
Minimum no. of girls = ?
Using second inequality
y-8 =4 (minimum value of greater than or equal to function is equal to itself)
Therefore,
y= 4+8
y=12
Answer:
a) 2linear inequalities
(x+y) ≤ 24
(y-x) ≥ 4
b) Max no. of girls = 16
Min no. of girls = 12
Hope it helps...
Since the distances were the same you can find the average speed directly by adding the speeds then dividing by 2. No need to weight anything.
If we’re considering speed regardless of direction, the average speed is:
(24 + 16) / 2 = 40 / 2 = 20mph
However if direction matters, then one number has to be negative since the directions are opposite:
(24 - 16) / 2 = 8 / 2 = 4mph (in the positive direction)
Depending on the context, either of these could be your answer.