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Marianna [84]
3 years ago
9

A rope is at least 21 feet long. You want to cut it into 3 pieces. The second piece is to be twice as long as the first piece,an

d the third piece is to be one foot longer than the second piece. What is the minimum length of the first piece of rope
Mathematics
1 answer:
Yuri [45]3 years ago
5 0

Answer:

the first piece of rope would be 4 feet

Step-by-step explanation:

4 + 8 + 9 = 21

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What is the range of this data set? {43, 17, 12, 17, 19, 11, 17, 20, 30} 13 17 32 I don't know.
nekit [7.7K]

Answer:

Range is 32

Step-by-step explanation:

11,12,13,17,17,17,17,19,20,32,43

43-11 = 32

8 0
2 years ago
Read 2 more answers
Solve the system of linear equations. separate the x- and y- values with a coma. 20x=-58-2y
lianna [129]
The best way to solve is by using elimination method.
20x = -58 - 2y
17x = -49 - 2y
Multiply second equation by -1
20x = -58 - 2y
-17x = 49 + 2y
Add equations.
3x = -9 
Divide.
x = -3
Plug in -3 into one of the equations.
17(-3) = -49 - 2y
-51 = -49 - 2y
Add 49 to both sides.
-2 = -2y
Divide.
1 = y
So your solution is (-3, 1).
I hope this helps love! :)

6 0
3 years ago
What is the answer to this question
Lesechka [4]

Remark

There's a lot you don't know here. Are DE and GF parallel? Is B a right angle? You can't assume that it is. The safest way to proceed is to give x in terms of 58 and B. You might get an answer that gives you something like 32 but I don't think you can say that unless you are told somewhere that ABC is a right angle triangle with the right angle at B.

So what to do.

<BAC = 58o                               That's because <BAC = <IAK They vertically opposite.

<ABC + <BAC + <ACB = 180o       All triangles have 180o

<ACB = 180 - 58 - <ABC                Solve for an unknown angle of a triangle.

<ACB = 122 - <ABC

x = <ACB                                       Vertically opposite angles.

x = 122 - <ABC                             Answer  It's 32 if ABC is a right angle.  

6 0
3 years ago
When the coordinates (2,3), (4,4), (6,3), And (4,2) are joined, which shape is formed?
RSB [31]
Rectangle. I hope this helps.
4 0
3 years ago
Use compatible numbers to estimate the quotient. 412 divided by 5
katen-ka-za [31]
412 divided by 5 is 82.4
6 0
3 years ago
Read 2 more answers
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