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alexgriva [62]
3 years ago
5

A rectangular prism has a volume of 686 cubic units. How many unit cubes would fill the volume of the solid if they were packed

without any gaps or overlaps?
Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
3 0

Answer:

2 unit cubes of 7 units side length can fill the volume of the solid without overlap

Step-by-step explanation:

Volume of a cube is L^3

Let the number of cubes be n

Since the cubes are similar,

then;

nL^3 = 686

nL^3 = 343 * 2

By inspection

L^3 = 343 (since it is a perfect cube and the cube root is 7)

n = 2

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Step-by-step explanation:

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Answer:

Y1 is parallel to Y2 and L1 to L2.

Step-by-step explanation:

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3 years ago
Plz Help...................
joja [24]

Answer:

55.5 u^2

Step-by-step explanation:

Split the quadrilateral into 2 triangles. There are two ways to do this, but I'm only doing one of them.

On the 5-11 triangle, use the two of the lengths and plug them into the triangle area formula. (L x W)/2 = A

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8 0
3 years ago
Mai and Tyler work on the equation 2/5b+1=-11 together. Mais soulution is b=-25 and Tyler’s is b=-28. Here is their work. Do you
Anika [276]

Answer:

No I don't agree with their solution; both their answers are wrong.

Correct answer is b=-30.

Step-by-step explanation:

Given:

\frac{2}{5}b+1=-11

Now given:

According to Mai b = -25 and According to Tyler b = -28

Now we need to find which of them is correct.

So we will solve the given equation we get;

\frac{2}{5}b+1=-11

Subtracting both side by 1 we get;

\frac{2}{5}b+1-1=-11-1\\\\\frac{2}{5}b =-12

Now Multiplying both side \frac{5}{2} we get;

\frac{2}{5}b\times\frac{5}{2}= -12 \times \frac{5}{2}\\\\b=-6\times 5\\\\b=-30

Hence both of them are incorrect, correct answer is b=-30.

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3 years ago
What is the absolute value of a number?
Nadusha1986 [10]

Answer:

All of the whole numbers

Step-by-step explanation:

absolute value" means to remove any negative sign in front of a number, and to think of all numbers as positive

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