Sadie can drive 2 miles to her grandmother's house in 4 minutes; Jill can drive 8 miles to her grandmother's house in 12 minutes
. Who was driving faster?
1 answer:
Jill is faster traveling about 6/10 th a mile a minute versus Sadie traveling 1/2 mile a minute
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The answer to the question
the second picture
Answer: The number of hours is the independent variable
Explanation: The number of miles depends on the number of hours.
Then, miles -> depentend variable, hours -> independent variable
4.
h(f(x)=h(2x-1)=
(2x-1)^2+1=
4x²-4x+1+1=
4x²-4x+2
5.
f(f(x))=2(2x-1)-1=4x-2-1=4x-3
6.
f o g (x)=f(g(x))
h o g (x)=h(g(x))=
(3x)^2+1=
9x²+1
4x+12=20
-12 -12
4x=8
4 4
X=2
2.5*0.04= 0.1
0.1*250= 25
25*8=200
200*1.25=250
250*789=197,250
197,250 Is your answer.