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navik [9.2K]
2 years ago
9

I NEED HELP WITH BOTH I WILL MARK THE BRAINIEST

Mathematics
1 answer:
Dennis_Churaev [7]2 years ago
5 0
First pic: x=27
second pic: x=15
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Lou's car had 6.6 gallons in the 16- gallon tank on the coldest day of the year . Lou filled the tank with gas that cost 3.70 pe
Ronch [10]

Answer: $33.48

Step-by-step explanation:

Given that:

Capacity of car tank =. 16 gallons

Gallons of already filled = 6.6 gallons

Amount left of tank capacity = 16 - 6.7

Amount left of tank capacity = 9.3 gallons

Cost of gas per gallon = $3.60

Hence, amount spent in gas will be

Amount left of tank capacity * cost per gallon of gas

= 9.3 gallons * $3.60

= $33.48

Total amount spent on gas = $33.48

any more help just ask :)

8 0
3 years ago
Find the area and perimeter of the figure on the coordinate system below.
Lady bird [3.3K]

Answer:

P= 2L+2W+2H

P=2(3)+2(3)+2(3)

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3 years ago
Estimate to the nearest 0.5 unit and classify the extrema for the graph of each function.
VLD [36.1K]

f(x) = x^3+x^2-x

Finding the extreme point :

f'(x)=3x^2+2x-1=0\\\\3x^2+3x-x-1=0\\\\3x(x+1)-1(x+1)=0\\\\(3x-1)(x+1)=0\\\\x=\dfrac{1}{3}\ ,\ x=-1

Now,

f''( x ) at x = 1/3 and -1 is :

f''(x)=6x+2\\\\f''(1/3)=4  \\\\f''(-1)=-4

Therefore, it is maximum at x = -1 and minimum at x = 1/3 .

Hence, this is the required solution.

3 0
3 years ago
Keisha works as a tutor for $13 an hour and as a waitress for $9 an hour. This month, she worked a combined total of 101 hours a
MrRa [10]

Answer:

Keisha got $2,222 that month

Step-by-step explanation:

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3 years ago
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