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Nimfa-mama [501]
2 years ago
11

Help with this please help

Mathematics
1 answer:
RideAnS [48]2 years ago
8 0

Answer:

10

Step-by-step explanation:

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If elephant grass grows 3 1/2 inches a day, how many inches will it grow in 7 days?
vichka [17]

Answer:

the answer is 24 1/2

Step-by-step explanation:

because 3 1/2 times 7 = 24 1/2

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2x − 2) + (x + 1) + x + (x + 1) = (2x − 9) + (x + 1) + (x + 8) + x,
KengaRu [80]

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x=1

Step-by-step explanation:

5x=5x  x=1

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What is the value of x in the equation x – y = 30, when y = 15?
asambeis [7]
X= 45, you would place 15 into y's place, which would give you x-15= 30... then you would add 15 to both sides, which would give you x=45<span />
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3 years ago
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One of the diagonals of a rhombus is thrice as the other. The area of the rhombus is 54 sq.Cm. The sum of the length of the diag
Colt1911 [192]

Answer:

Step-by-step explanation:

let one diagonal=x

other diagonal=3x

area=1/2 (x±3x)=3/2 x²=54

x²=54×3/2=81

x=9 cm  

3x=3×9=27

sum of diagonals=x+3x=4x=4×9=36 cm

5 0
2 years ago
I need help with this problem,
emmasim [6.3K]

Answer:

  JL = 78

Step-by-step explanation:

The shorter segment is a midline, so is half the length of the longer one.

  2(5x-16) = 4x +34

  5x -16 = 2x +17 . . . . . divide by 2

  3x = 33 . . . . . . . . . . add 16-2x

  x = 11 . . . . . . . . . . divide by 3

Then segment JL is ...

  JL = 4x +34 = 4(11) +34 = 44+34

  JL = 78

4 0
2 years ago
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