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Shkiper50 [21]
2 years ago
6

Solve x+y=5 and 3x-5y=7​

Mathematics
1 answer:
Nezavi [6.7K]2 years ago
4 0

Answer:

X=4, y=1

Step-by-step explanation:

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What is the smallest and largest perimeter of a polygon with an area of 20?
DENIUS [597]

Answer:

The polygon with the smallest perimeter is the megagon

The polygon with the largest perimeter is the triangle

Step-by-step explanation:

An equilateral triangle with area = 20 has

0.5× a²×sin60 = 20

a= 6.796

Hence, perimeter = 20.39

A square of area 20 has perimeter= 4×√20 = 17.9

A regular pentagon of area = 20 has perimeter = 3.41 × 5 = 17.05

Hence as the number of sides is increasing, the ratio of the Area to the Perimeter also increases

Therefore, a triangle has the largest perimeter with an area of 20 while a megagon with a million sides has the smallest perimeter with an area of 20.

4 0
2 years ago
PLZ I NEED HELP NOW!!!!!!!!!!!!!!!!!!!!
seropon [69]

Answer:

H, 20%

Step-by-step explanation:

960/4,800 = 20/100

8 0
3 years ago
Between the time Iko woke up and lunchtime, tue temperature rose by 11 degrees. Then by the time he went to bed, the temperature
Ierofanga [76]

Answer:

T_b=(x-3)\textdegree

Step-by-step explanation:

let x° be temperature when he woke up. Given that the temperature rose  by 11° then later dropped by 14°. Also let T_b be temperature at time she went to bed.

-We add the temperature rise and subtract the temperature drop to find temperature at time she goes to bed.

-The temperature relative to time of waking up can be expressed as:

T_b=x\textdegree\pm\bigtriangleup T\textdegree\\\\T_b=x\textdegree+11\textdegree-14\textdegree\\\\T_b=(x-3)\textdegree

Hence, the temperature relative to the time Iko woke up is (x-3)°

4 0
2 years ago
Helpppppppppppppppppp
andrew11 [14]
Answer: the third choice
3 0
2 years ago
Heeelllllppp ASAAPPPPP
Nutka1998 [239]
The answer is 351.8.
4 0
3 years ago
Read 2 more answers
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