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Dmitry [639]
3 years ago
11

Find the perimeter of abc with vertices A(-2, 1), B(1, 1), and C(-2,5)

Mathematics
1 answer:
Vladimir [108]3 years ago
6 0

Answer:

7

Step-by-step explanation:

add all sides to find perimeter

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What is the solution to the system of equations below? x 3 y = 15 and 4 x 2 y = 30 (6, 3) (3, 6) (7, –6) (–6, 7).
swat32

Answer: (6 , 3)

Step-by-step explanation: Given

x + 3y =15 ------- equation 1

4x + 2y = 30 --------- equation 2

x = 15 - 3y

Put value of x in equation 2

4 (15 - 3y) + 2y = 30

60 - 12y + 2y = 30

-10y = -30

divide by '-10' on both sides

y = 3

now, put value of y in equation 1

x + 3(3) = 15

x + 9 = 15

x = 15 - 9

x =  6

So , (x , y) = (6 , 3)

7 0
2 years ago
Simplify by combining like terms: -4x - 2y - 7x - 8y
Sav [38]

Step-by-step explanation:

Solving like terms

-4x - 7x - 2y -8y

-11x - 10y

3 0
3 years ago
Q3.
umka2103 [35]

Answer:

8.48%

Step-by-step explanation:

Bill's weight decreases from 64.8 kg to 59.3 kg.

We need to find the percentage decrease in Bill's weight. It can be calculated as follows :

\%=\dfrac{64.8 -59.3 }{64.8 }\times 100\\\\=8.48\%

So, the required decrease in percentage is 8.48%.

3 0
3 years ago
Please help it is one question please please and give explanation!!
Dafna1 [17]
It is a i think sorry if wrong
5 0
3 years ago
For every arm a person has, they have a leg. Which ratio represents this situation?
Irina-Kira [14]
A: 1:1 unless they want you to count both arms then it would be B: 2:2
3 0
2 years ago
Read 2 more answers
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