we are given to find

we know that

where
i is number of rows
j is number of column
Here , we get
i=2
and j=3
so,
means second row and third column
we can look at matrix and find element
we can see that
that element is -21
so,
...........Answer
2 for sureee
If not then sorry mate
Answer: 4 units
Step-by-step explanation:
(5-1,3-3)=(4,0)==> 4 units
Answer:
60 km/hr.
Step-by-step explanation:
When Dad caught up the the time he had been driving was 4 hours and the time Mom had been driving was 1 + 4 = 5 hours.
They both drove the same distance, d km.
For Dad:
speed = d / time
75 = d / 4
d = 75 * 4 = 300 km.
Mom took 5 hours to travel this distance, so
Mom's speed was 300 / 5 = 60 km/hr.
Answer:
The required paint for a total of
is approximate 6 gallons
Step-by-step explanation:
we know that
To find how much paint would I need to buy to paint the walls of all three bedrooms, calculate the area of all three bedrooms
<em>Master Bedroom</em>
The area is equal to

<em>2 Bedroom</em>
The area is equal to

<em>3 Bedroom</em>
The area is equal to

The total area is equal to
A=A1+A2+A3

Approximate one gallon of paint covers 250 square feet
so
