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Sladkaya [172]
3 years ago
5

Find the perimeter of this parallelogram:

Mathematics
1 answer:
rusak2 [61]3 years ago
7 0

Answer:

parallelogram 's perimeter =2(8.2+6.5)

""" =2×14.7

... = 29.4

perimeter of triangle=7.2+6.1+9.6

""""" =22.9

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To get to his parents’ house, Ruben would have to drive due north 12 miles. To get to his grandparents’ house, he would have to
Nata [24]

Answer:

d = 15 miles

Step-by-step explanation:

To get to his parents’ house, Ruben would have to drive due north 12 miles.

To get to his grandparents’ house, he would have to drive due east 9 miles.

It is required to find the distance between the parents’ and grandparents’ houses.

First distance is 12 miles and second distance is 9 miles.

So,

d=\sqrt{12^2+9^2} \\\\d=15\ \text{miles}

So, the distance between the parents’ and grandparents’ houses is 15 miles.

6 0
4 years ago
Prove that the diagonals of a parallelogram bisect each other. The midpoints are the same point, so the diagonals _____
Molodets [167]

Answer:

Below

Step-by-step explanation:

To prove that the diagonals bisect each other we should prove that they have a common point.

From the graph we notice that this point is E.

ABCD is a paralellogram, so E is the midpoint of both diagonals.

●●●●●●●●●●●●●●●●●●●●●●●●

Let's start with AC.

● A(0,0)

● C(2a+2b,2c)

● E( (2a+2b+0)/2 , (2c+0)/2)

● E ( a+b, c)

●●●●●●●●●●●●●●●●●●●●●●●●

BD:

● B(2b,2c)

● D(2a,0)

● E ( (2a+2b)/2 , 2c/2)

● E ( a+b ,c)

●●●●●●●●●●●●●●●●●●●●●●●●●

So we conclude that the diagonals bisect each others in E.

8 0
3 years ago
Twice the square of a number minus 3 is 47. Find the number​
lorasvet [3.4K]

Answer:

5

Explanation:

5 squared is 25. 25 times 2 is 50. 50 minus 3 is 47.

6 0
3 years ago
Find the equation of the axis of symmetry for the parabola y = x2 + 2x − 9
Artemon [7]

Answer:

the answer is x=-1

Step-by-step explanation:


5 0
3 years ago
Read 2 more answers
29-{-36-(-27-31)+40}
sdas [7]

Answer:

-33

Explanation:

29-(-36-(-27-31)+40)=

29-(-36-(-56)+40)=

29-(-36+58+40)=

29-62=-33

5 0
2 years ago
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