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Vinil7 [7]
3 years ago
13

3x^2(y+5)+7(y+5) in complete factor form

Mathematics
1 answer:
GarryVolchara [31]3 years ago
4 0
3x^2y + 15x^2 + 7x + 35
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A cylindrical metal pipe has external diameter of 6cm and internal diameter of 4cm. Calculate the volume of metal in a pipe of l
ArbitrLikvidat [17]

Answer:

volume is 1570 cm³

mass is 12560 g

Step-by-step explanation:

1m = 100 cm

the volume is :

1/4 x \pi x 6² x 100 - 1/4 x \pi x 4² x 100

= 900 \pi - 400 \pi              { v = 1/4 \pi d²h }

= 500 \pi

= 500 x 3.14

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the mass of the pipe is:

1570 x 8 = 12560 grams

5 0
2 years ago
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Dmitry_Shevchenko [17]

Answer:

Step-by-step explanation:

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y^2 = (-9)^2 = 81

AND

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Hope it helped

6 0
3 years ago
What is the value of x in the solution of the system of equations below?<br>8x-y=20<br>Y=3x​
tatyana61 [14]

Answer:

x=4

where y =3x

8x-3x=20

5x=20

5x/5=20/5

x=4

4 0
3 years ago
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Alex787 [66]
C.60 its the same size and shape as the 60 above it
7 0
3 years ago
HELP DUE IN 15 MINS! <br> Solve for x in the parallelogram below:<br><br> X=??
malfutka [58]

Answer:

x = 4

Step-by-step explanation:

Consecutive angles in a parallelogram are supplementary, sum to 180°, so

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14x = 56 ( divide both sides by 14 )

x = 4

3 0
3 years ago
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