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Mumz [18]
3 years ago
8

A piece of land is to be fenced and subdivided as shown to that each rectangle has the same dimensions. Express the total amount

of fencing needed as an algebraic expression in x. Find the total amount of fencing.
Mathematics
1 answer:
nlexa [21]3 years ago
6 0
There are 3 rectangles.

In the plane, each rectangle has 2x + 7 horizontal side.

The fence covers 3 horizontal sides => 3 (2x + 7)

In the plane, the vertical sideis x. And the fence covers 4 vertical sides => 4x

Then the total amount of fecncin is: 3(2x+7) + 4x = 6x + 21 + 4x = 10x + 21

Answer: 10x + 21<span> </span>
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to enter the fair and $12 on food. Rides at the fair cost $1.25 per ride. Which function can be used to determine how much money
Nana76 [90]
F(x) = 1.25x + 12.

12 Is the cost of food, and 1.25x represents that every ride (x) is 1.25 dollars.

f(1) = 1.25(1) + 12
f(1) 13.25

If he rides one ride, then it will cost this 13.25 dollars in total

f(2) = 1.25(2) + 12
f(2) = 14.5

If he rides two rides, then it will cost 14.5 dollars in total

f(3) = 1.25(3) + 12
f(3) = 15.75

If he rides 3 rides, it will cost 15.75 dollars in total, etc. etc.

Hope this helps!!
4 0
3 years ago
During a snowstorm, the temperature drops from 0°F to -18°F in 6
nevsk [136]

Answer:on average the temperature is changing -3 degrees per hour

Step-by-step explanation:

You would use -18 because that’s the temperature and the time which was 6hours and divide them by each other because you’re trying to find out how much the temperature would drop per hour so -18/6=-3

3 0
3 years ago
5/6 multiplied by y =25
Svetach [21]

5/6×y=25 Y= -5/6+25 Y = 24.16667 or 24 1/6

7 0
4 years ago
Use the substitution method to solve this system. y = x − 4 and -2x + y = − 7
Sergeu [11.5K]
-2x+x-4=-7 , -1x=-3, x=3. y=3-4, y=-1
8 0
3 years ago
Mr. Fernandez is mixing soil for his garden. He wants the soil to be in the
Alex17521 [72]

Answer:

0.4 to 1

Step-by-step explanation:

2 1/2=2.5

you do 1 divided by 2.5 or 1/2.5 and you get 0.4 then add the unit rate of 1.

3 0
3 years ago
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