Answer:
A = (x + 7)(x + 9)
Step-by-step explanation:
Let the width w = x
then length l = w + 4 = x + 4
Area = length x width
= x(x+4)
Then the the width is increased by 7 units and the length increased by 5 units.
w = x + 7
l = (x + 4) + 5 =x + 9
A = (x + 7)(x + 9)
Answer:
cat food a
Step-by-step explanation:
6.5/10 = 0.65 unit price
14/20 = 0.70 unit price
Answer:
Step-by-step explanation:
-6 is rational because it can be written as a ratio -6/1 for example
Answer:
7*(n+4) =8
Step-by-step explanation:
seven times the sum
7*(
of an number and 4
7*( n+4)
equal 8
7*(n+4) =8
A horse can run 1 3/8 of a mile in 1 3/5 minute. How long does it take the horse to run 1 mile?
So what i would personally do first is convert the fractions into decimals.
1 3/8= 11/8= 1.375 of a mile
1 3/5= 8/5 =1.6 of a minute
Now we find the rate of change
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