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REY [17]
3 years ago
7

Can someone help me, i am very confused, i need to find the volume of the figure put i dont know how

Mathematics
1 answer:
Hoochie [10]3 years ago
3 0
Ok so what you need to know about an octahedron is it's basically two square pyramids stacked on top of each other (one is upside down of course).

The formula for volume of a pyramid is Bh/3.
Base= 8*8=64
Height= 3 each
64*3/3= 64 mm^3 per pyramid.

64*2=128 mm^3 for the octahedron

Final answer: 128 mm^3
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Answer:

Rachel earns per hour is $ 13.64 .

Step-by-step explanation:

As given

Rachel earned $85.25 for working 6 \frac{1}{4} hours.

i.e

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Now calculate earning of Rachel for 1 hour .

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7 0
2 years ago
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4vir4ik [10]

Answer:

-142

Step-by-step explanation:

First solve parenthesis,

(12) - (23 +131) =

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Finally subtract,

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5 0
2 years ago
Find the value of the expression 2xy^3 if x=3 and y=-2?
Nadusha1986 [10]
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3 years ago
Which expression has the largest coefficient. Will mark brainliest. Plz include explanation.
slamgirl [31]

Answer:

Expression 3

Step-by-step explanation:

State that a coefficient is a multiplicative factor, is a number in front of a variable, in some term of a polynomial.

The coefficients of the expression 3, for example, are 3, 7 and 24.

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3 years ago
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mr Goodwill [35]

Answer:

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Step-by-step explanation:

When finding area for triangles we have to do base x height then divide by 2 so

62 x 16 = 992

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So 496 is our answer!

3 0
3 years ago
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