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3 years ago

Marti had of a pizza remaining after

Mathematics

1 answer:

o-na [289]3 years ago

8 0

I think it is 1/2
hope this helped

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3x + 2y = 4<br> 4x + 3y = 7

iren [92.7K]

Y=0 I think I really don’t know

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3 years ago

The object on the right is made from a square-based pyramid joined to a cuboid.

spayn [35]

Answer:

Density of steel = 80.73 gm/ $cm^3$

Step-by-step explanation:

The figure is made up of cuboid and square pyramid.

Height of cuboid, h = 9 cm

Length of cuboid, l = 6 cm

Width of cuboid, w = 6 cm

Volume of cuboid is given by the formula:

$V_{Cuboid} = l \times w \times h$

$V_{Cuboid} = 6 \times 6 \times 9\\\Rightarrow V_{Cuboid} = 324\ cm^3$

Density of Wood , $D_{Cuboid}$ = 0.68g/ $cm^3$

We know that formula of Density is:

$Density = \dfrac{Weight}{Volume}$

$D_{Cuboid} = \dfrac{W_{Cuboid}}{V_{Cuboid}}\\\Rightarrow W_{Cuboid} = V_{Cuboid} \times D_{Cuboid}$

Putting the values:

$W_{Cuboid} = 324 \times 0.68 = 220.32\ gm$

Total weight = $W_{Cuboid} + W_{Pyramid}$

970 = 220.32 $+ W_{Pyramid}$

$W_{Pyramid}$ = 749.68 gm

Volume of pyramid is given as:

$V_{Pyramid}= \dfrac{1}{3} \times \text{Area of Base} \times \text{Vertical Height}$

Base is a square with side 6 cm

$V_{Pyramid}= \dfrac{1}{3} \times 6 \times 6 \times (17 -9)\\V_{Pyramid}= 96\ cm^3$

Density of Steel/Pyramid:

$D_{Pyramid} = \dfrac{W_{Pyramid}}{V_{Pyramid}}\\\Rightarrow D_{Pyramid} = \dfrac{749.68}{96}\\\Rightarrow D_{Pyramid} = 80.73\ gm/cm^3$

5 0

4 years ago

Write the sum of the circumferences of all three circles in factored form.

salantis [7]

Answer:

2π(x+y+z)

is the factorization

4 0

2 years ago

Use transformations to solve the equation <br> y- 0.6= -1.8

Anestetic [448]

Answer:

The answer is y = -1.2

Step-by-step explanation:

You can solve this by simply adding 0.6 to both sides of the equation.

y - 0.6 = -1.8

y = -1.2

8 0

4 years ago

Winton wants to find the volume of a cube. He uses the formula for volume of a cube V = s to the power of 3 where s is the lengt

VARVARA [1.3K]

Answer:

Answer: 0.125 cm^3

8 0

3 years ago