We have that
1 1/2 acres-------------> 1.5 acres
one hour----------------> 60 minutes
Step 1
I proceed to make a rule of three
<span>if Jami can now mow 1/6 acre -----------------------> in 8 minutes
1.5 acres----------------------------------------------> X
X=1.5*8/(1/6)=72 minutes
72 minutes > 60 minutes
therefore
</span><span>Jami can not mow 1 1/2 acres in an hour
</span><span>The time required by jami to mow 1 1/2 acres is 72 minutes</span><span>
</span>
Answer:
1 dollar
$1.00
$1
Step-by-step explanation:
2x + 5 = 0.5x - 1
(Multiplying by 2 cause I hate fractions/decimals)
4x + 10 = x - 2
3x + 10 = -2
3x = -12
x = -4
Y = 2x + 5
Y = 2(-4) + 5
Y = -8 + 5
Y = -3
Y = 0.5x - 1
Y = 0.5(-4) - 1
Y = -2 - 1
Y = -3
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I believe that would be 19!
Answer:
a. y = 4,200 
b. 9.2%
Step-by-step explanation:
Given the information:
- The intinital value: 4,200
- The population is decreasing at a rate of 2.4% per year
=> the base number of the exponential function is:
100% - 2.4% = 97.6% = 0.976
Let t is quarter
Let y is the population
=> the following shows an exponential decay function to find the quarterly decay rate is:
y (t)= 4,200
b. The population is decreasing by how much percent per quarter?
Let t = 0 we have: y(0) = 4,200 
Let t = 1 we have: y(1) = 4,200 
=> the decreasing percentage is:
= (y(0) - y(1)) / y(0)*100%
= (4200 - 3811) / 4200 *100%
= 389/4200*100%
= 9.2%
