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Natalka [10]
3 years ago
5

A cube-shaped box has a volume of 27 cubic inches. If the box is packed full of cubes with edge lengths of 1 inch, how many cube

s can fit along one side of the
box?
Mathematics
1 answer:
iogann1982 [59]3 years ago
8 0

Answer:

9 along one side.

Step-by-step explanation:

This question may be a bit tricky.

The side should mean the entire side, not just along the bottom edge.

The bottom row will have three 1-inch cubes. Three more in a middle row, and three more on top of that. That is a total of nine on that side.

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Use front-end estimation to estimate the sum. 13.3+2.8+5.6 a.about 20 b. about 23 c. about 22 d.about 25
poizon [28]

Answer:

C. About 22

Step-by-step explanation:

13.3 + 2.8 + 5.6

= 21.7

Since 21.7 is close to about 22, we can conclude that C is the final answer.

5 0
3 years ago
How to factor that polynomial
professor190 [17]
<h3><u>(1 + 5y)(1 - 5y) is the fully factored form of this polynomial.</u></h3>

This polynomial can be factored using difference of squares.

This polynomial is in the form of a^2 - b^2 = (a + b)(a - b)

Because 1 * 1 = 1, we can use this formula to simplify this polynomial.

1 - 25y^2 = (1 + 5y)(1 - 5y)

We can use FOIL to verify this.

(1 + 5y)(1 - 5y)

1 - 5y + 5y - 25y^2

1 - 25y^2

6 0
3 years ago
Help answer asap pls ---------
Reika [66]

Answer:

d = 5

Step-by-step explanation:

We want to know what d would be when x = -1, so we can start off by plugging in -1 for x to get the following equation: \sqrt{8 - (-1)} = 2(-1)+d. On the left hand side, 2 negatives become a positive sign, so the -(-1) becomes a +1, and 8+1 would equal 9. On the right hand side, we just multiply 2 and -1 to get -2. So, the equation now looks like this: \sqrt{9} = d-2. We know that \sqrt{9} = 3, so we would get 3 = d-2. THen we would add 2 to both sides to get d = 5. Hope this helps!

8 0
2 years ago
Harvey can run 3 1/6 km in 1/4 hour. Harvey runs at a constant rate
lyudmila [28]

Answer:

12 2/3 km/hour or 12.666 km/hour

Step-by-step explanation:

Because 3 1/6 is the rate for every quarter hour, simply multiply that rate by 4 in order to get the average speed over the course of an hour.

6 0
3 years ago
A basketball player's total points scored for the season went from 158 to 231 over a period of 5 games. What was his scoring rat
Len [333]

Answer:

14.6

Step-by-step explanation:

(231 - 158) / 5 = 14.6

6 0
3 years ago
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