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3 years ago

a metal cube measures 2-centimeters on each side the mass of the cube is 72 grams what is the density of the metal cube

Mathematics

1 answer:

Umnica [9.8K]3 years ago

8 0

Answer:

9 gram/cm³

Step-by-step explanation:

Volume of a square (L³) = 2³ = 8cm³

But Density = mass/volume

But Density = Mass/Volume

Density = 72grams/8cm³

Density = 9grams/cm³

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Svetradugi [14.3K]

Answer:

B. (-r, 0)

Step-by-step explanation:

W is on the x axis, so the y coordinate is 0.

It is also r away from the origin, so the x coordinate is -r

Hope this helps!

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3 years ago

Two square are congruent ,if they have same ______

OverLord2011 [107]

Two squares are congruent if they have the same side length.

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3 years ago

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Kailee has 4/5 finished of her math

Helen [10]

Answer:

1/5

Step-by-step explanation:

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3 years ago

the number of years that brad has been on the soccer team is 2 less than 5 times the number of years that Scott has.in total,the

Alexeev081 [22]

Assume the following:

Brad has been in the soccer team for b years.

Scot has been in the soccer team for s years.

"The number of years that brad has been on the soccer team is 2 less than 5 times the number of years that Scott has"

means: b=5s-2

"in total,the boys have been on the soccer team for 10 years."

means: b+s=10

so we have the equations:

i) b=5s-2

ii) b+s=10

substitute b in ii) with 5s-2, as they are equal, from i

(5s-2)+s=10

5s-2+s=10

6s=12

s=2,

then , from b+s=10, b=8

Answer: Brad has been in the team for 8 years.

7 0

3 years ago

Quadrilateral ABCD has the following vertices.

Marizza181 [45]

A(-5,5)
B(4,5)
C(2,0)
D(-5,-2)

AB,BC,CD,DA

AB = [4-(-5)),5-5]=[9,0]
Lenght $AB= \sqrt{9^2+0^2}= \sqrt{81} =9$

BC = [2-4,0-5]=[-2,-5]
Lenght $BC=\sqrt{(-2)^2+(-5)^2}=\sqrt{4+25}=\sqrt{29}$

CD = [-5-2,-2-0]=[-7,-2]
Lenght $CD=\sqrt{(-7)^2+(-2)^2}=\sqrt{49+4}=\sqrt{53}$

DA =[-5-(-5),-2-5]=[0,-7]
Lenght $DA=\sqrt{0^2+(-7)^2}=\sqrt{49}=7$

sorted from longest to shortest:
AB, CD,DA,BC
$\sqrt{81}, \sqrt{53}, \sqrt{49}, \sqrt{29}$

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2 years ago

a metal cube measures 2-centimeters on each side the mass of the cube is 72 grams what is the density of the metal cube​

a metal cube measures 2-centimeters on each side the mass of the cube is 72 grams what is the density of the metal cube