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Eduardwww [97]
3 years ago
8

josh has a bag with blocks. for every 2 red blocks there are 3 blue and 1 white block. in the bag there are 54 blocks altogether

. How many blue blocks are there?
Mathematics
1 answer:
kifflom [539]3 years ago
4 0

<em>Answer </em>

<em>9</em>

<em>You have to multiply all the number mover of colored socks. Then divide by 54.</em>

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Negative three times a number plus four is no more than the number minus 8
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Answer:

-3n+4< (or equal to) n-8

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3 years ago
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A metal hollow bar whose cross section and dimension are shown below weighs 8x10^3 kg/m^3 and measure 2m in length ..determine t
devlian [24]
1) We calculate the volume of a metal bar (without the hole).

volume=area of hexagon x length
area of hexagon=(3√3 Side²)/2=(3√3(60 cm)²) / 2=9353.07 cm²
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Volume=(0.935 m²)(2 m)=1.871 m³

2) we calculate the volume of the parallelepiped

Volume of a parallelepiped= area of the section  x length
area of the section=side²=(40 cm)²=1600 cm²
1600 cm²=(1600 cm²)(1 m² / 10000 cm²=0.16 m²
Volume of a parallelepiped=(0.16 m²)(2 m)=0.32 m³

3) we calculate the volume of a metal hollow bar:
volume of a metal hollow bar=volume of a metal bar -  volume of a parallelepiped

Volume of a metal hollow bar=1.871 m³ - 0.32 m³=1.551 m³

4) we calculate the mass of the metal bar

density=mass/ volume  ⇒ mass=density *volume

Data:
density=8.10³ kg/m³
volume=1.551 m³

mass=(8x10³ Kg/m³ )12. * (1.551 m³)=12.408x10³ Kg

answer: The mas of the metal bar is 12.408x10³ kg  or   12408 kg  


4 0
3 years ago
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equilateral triangles are also equiangular, meaning the have equal angles.

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Using trigonometry you can find the height.

tan 60° = h/1.5

h = height, 1.5 is half of 3, 60° is the base angle.

multiply each side by 1.5

1.5(tan 60°) = h

h=2.598

then substitute h into formula

A= <u>(2.598)(3) </u>

           2

A = 3.897 rounded

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3 years ago
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Answer:5x+3y+1=0

Step-by-step explanation:

Given

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Here, c can take any value . for example c=1, line becomes

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