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USPshnik [31]
3 years ago
8

A stick is cut into 8 equal pieces. If each piece were 10cm shorter,we could have cut the original stick into 12 equal pieces. H

ow long is the stick?
Mathematics
1 answer:
max2010maxim [7]3 years ago
3 0

Answer:

240 cm

Step-by-step explanation:

8x=12(x-10)

8x = 12x -120

120 = 4x

30 = x

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What is the LCD of 11/12 - 7/8 ?
Alekssandra [29.7K]
The LCD is the least common denominator, or the smallest value that is divisible by both 12 and 8. In this case the LCD is 24 because it is the smallest number that 8 and 12 goes into.
6 0
3 years ago
: Kevin is planting 15 bushes and 9 trees in rows. If he wants all the rows to be exactly the same, with no plants left over, wh
Flauer [41]

Answer:

The greatest number of rows that can be planted, and have nothing left over, would be 3

Step-by-step explanation:

Find the greatest common factor (gcf) of 15 and 9

                     15: 1  3  5  15

                       9: 1  3  9

In this case, the gcf of 15 and 9 would be 3.

5 0
3 years ago
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The diameter of a cone is 15 meters, the height is 1.5 times the radius, what is the volume?​
Fynjy0 [20]

Answer:

V ≈ 662.68

Step-by-step explanation:

15 div by 2 = 7.5 (Radius)

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Pi x 7.5^2 x 11.25/3
= 662.68

5 0
2 years ago
How to factorize (1-x)(4x-9)+(x^2-6x+5)
adell [148]
-1(x-1)(4x-9) +(x-1)(x-5)
(x-1)(-1(4x-9) +x-5)
(x - 1)(-4x + 9 + x - 5)
(x - 1)(-3x + 4)
3 0
3 years ago
The value of y varies directly with x. If x = 5 when y = 12, what is the value of x when y = 30?
sergiy2304 [10]

Answer:

12

Step-by-step explanation:

12/5 = 2.4

2.4(x)

if x = 5 then,

2.4(5) = 12

5 0
3 years ago
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