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SSSSS [86.1K]
2 years ago
12

Find the perimeter of ABCD

Mathematics
1 answer:
charle [14.2K]2 years ago
3 0

Step-by-step explanation:

Scale factor of DEF : ABC = 5 : 15 = 1 : 3.

Hence perimeter of ABC = 12ft * 3 = 36ft.

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Multiply: 4 5/7 x 6 3/7​
leonid [27]

Make the fractions into improper fractions

4 5/7= 33/7 - Multiply the denominator with the whole number. 4*7=28, add 28 with the numerator. 28+5=33 .

6 3/7=45/7 - Multiply the denominator with the whole number. 6*7=42 , add 42 with the numerator. 42+3=45

33/7*45/7

Multiply the numerators together. Multiply the denominators together.

33*45=1485 ( numerators) , 7*7=49 ( denominators)

=1485/49 or in mixed number: 30 15/49

Answer: 1485/49 , 30 15/49

6 0
3 years ago
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Need helpppppppppp please
aleksley [76]
Adding the two equations
3x + 6y + 3x - 6y = 36+0
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subtracting second equation from first
(3x + 6y ) - (3x-6y) =36 -0
12y = 36
y = 3
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therefore
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8 0
2 years ago
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stiks02 [169]

Answer:

c<-3

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move the constant to the right-hand side and change its sing

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6 0
2 years ago
Quadrilateral abcd is a rhombus and points c, d, and e are on the same line. is quadrilateral abde a rhombus?
Step2247 [10]
No, because BC and BD are not the same lengths. If AB = BC, then AB and BD are not the same lengths -> ABDE is not a rhombus.
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In the triangle abc the side length side are bc=14 and ac=7 whats b
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