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Elanso [62]
3 years ago
9

the perimeter of a rectangular plot of land whoose length is 2x+15and width x-10m is 80cm find the area of x​

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
5 0

Answer:

x=25

the area of x squared is then 625

Step-by-step explanation:

3x +5 = 80

3x= 75

x=25

the area of x squared is then 625

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Mamont248 [21]

Answer:

15 takis and 10 cheetos

Step-by-step explanation:

($15x10=$150) + ($40x15=$600) = $750

5 0
3 years ago
One liter of paint covers 100 square feet. How many gallons of paint does it take to cover a room whose walls have an area of 80
mezya [45]
1 gallon is 3.78 L
100 sq feet needs 1 L
800 sq feet needs x

100/800 = 1/x
100x = 800
x = 800/100
x = 8 L

If you use the fact that 4 L = 1 gallon then you need 2 gallons of paint. I you use the more accurate 3.78 L then
1 gallon = 3.78 L
x gallon = 8 L

3.78 x = 8*1
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8 0
3 years ago
Can someone help me with this please ?
vaieri [72.5K]

Answer:

3.36 cm

Step-by-step explanation:

from the passage before ; the figure of question is similar to the first figure in passage because those triangles have an each equal angle.

Therefore the ratio of side is equal ; 1/0.84=4/x

Solve equation will be x(1)=4(0.84) ; x=3.36 cm

5 0
3 years ago
A film lasts 2 hours and 35 minutes. Greg is going out at 8.15 . If he starts watching the film at 5.30 will he have time to war
Dmitry [639]

Answer:

Yes, he will have enough time to watch the entire film.

Step-by-step explanation:

5:30 to 6:30 is 1 hour of the movie completed.

6:30 to 7:30 is 2 hours completed.

7:30 plus 30 minutes brings him to 8:00.

8:00 plus the additional 5 minutes brings Greg to 8:05.

His movie ends at 8:05, so he will be able to watch the entire movie before going out.

8 0
3 years ago
Read 2 more answers
What is h(-4) for h(x) =(x-2)^2 +3x
PSYCHO15rus [73]

(- 4 - 2)^{2}  + 3( - 4) \\  = ( - 6)^{2}  + ( - 12) \\  = 36 - 12 \\  = 24
The answer is 24
7 0
3 years ago
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