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Vladimir79 [104]
3 years ago
11

Help me please!!!! I will mark Brainliest

Mathematics
1 answer:
ryzh [129]3 years ago
8 0

Answer:

32 pi

Step-by-step explanation:

im sorry if im wrong im not the smartest haha

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V) Find the perimeter of the rectangle whose length is 60m and breadth is 55m
katrin [286]

Answer:

Step-by-step explanation:

l = length

b = breadth

We know the length is twice the breadth, therefore l = 2b

We also know that the perimeter p = 60m and can also be expressed as a sum of its sides where p = l + l + b + b = 60 which simplified is:

60 = 2l + 2b

Now we have 2 variables, but thankfully we were given a ratio (l = 2b) relating the two. Substituting 2b in for l gives us:

60 = 2(2b) + 2b = 4b + 2b = 6b

60 = 6b

b = 10 m

Now that we know the breadth we can find the length:

l = 2b → l = 2(10) = 20 → l = 20 m

With a breadth of 10 m and a length of 20 m

8 0
3 years ago
A board measuring 7.2 feet must be cut into three equal pieces
Softa [21]
Each piece would be about 2.4 feet long. You find this out by dividing 7.2 and 3 which comes out to 2.4
7 0
3 years ago
Sequence of Transformation
weeeeeb [17]

Answer:

F (4, 2) G (2, 2) H (0, -4)

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
I need a step by step explanation on how you solved the equation.
Ghella [55]

Answer: x=3 and y=−2

Step-by-step explanation:

x=−2y−1;4x−4y=20

Step: Solve x=−2y−1 for x:

Step: Substitute−2y−1 for x in 4x−4y=20:

4x−4y=20

4(−2y−1)−4y=20

−12y−4=20(Simplify both sides of the equation)

−12y−4+4=20+4(Add 4 to both sides)

−12y=24

−12y

−12

=

24

−12

(Divide both sides by -12)

y=−2

Step: Substitute−2 for y x=−2y−1:

x=−2y−1

x=(−2)(−2)−1

x=3(Simplify both sides of the equation)

7 0
3 years ago
One side of a square is 5n inches long. Another side is n + 16 inches long. How long is a side of the square?
LiRa [457]
Its a square.
So 5n = n + 16
Therefore 4n = 16 (taking one n from each side).
So n = 16/4 which is simplied as : 4.
Double check by putting 4 in the equation where n is, and it makes sense, so that is the right answer.
Your answer is c.
5 0
3 years ago
Read 2 more answers
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