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blsea [12.9K]
3 years ago
7

Will mark Brainliest!!

Mathematics
1 answer:
Law Incorporation [45]3 years ago
3 0

I removed all eight corners, leaving the total area unchanged.

I removed the central cube of the top surface obtaining an increase of the surface area with four units.

I removed one cube from the middle of an edge at the top (any of the four remaining) and I arrived at a figure with ten cubes less then the original one but with the same surface area.

https://nrich.maths.org/787/solution
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What is the answer for. -3x > -15
lana [24]

Answer:

x<5

Step-by-step explanation:

-3x > -15

Divide -3 on both sides:

\frac{-3x}{-3} >\frac{-15}{-3}

x<5

*Note the sign switches because

the x is negative. The sign only

switches when the number you

are dividing by is negative.*

7 0
3 years ago
A particular shade of paint is made by mixing 5 parts red paint and 7 parts blue paint. To make this shade, Shannon mixed 12 qua
SSSSS [86.1K]

<u>Answer:</u>

No, Shannon  didn’t mix the correct shade

<u>Explanation: </u>

Ratio required for the shade Red : Blue = 5 : 7

The ratio formed of Shannon must be equal to the above standard ratio

But Shannon’s ratio which was mixed for red and blue is

= Red : Blue  

= 8 : 12

= 2 : 3, which is not equal to 5 : 7.

Therefore it is proved that Shannon mixing does not matches with the required mixing ratio which is 5:7.

6 0
4 years ago
If Shane and Susan both push on a box with a force of 25N, but in opposite directions, what will happen to the box?
Anarel [89]
Since the forces exerted on the box are equal and opposite in direction, the net force will be 0, so the box will not move.
A way to think of this is the equal forces in opposite directions cancel each other out, so the net force is 0.
3 0
3 years ago
Read 2 more answers
What is the order of the steps to solve for x in the equation 3x-6x-7=29
dexar [7]
First, you should combine the x terms:

-3x - 7 = 29

Then, get rid of the negative 7, by adding 7 to both sides.

-3x = 22

Finally divide 22 by -3, to solve for x.

x = -22/3 or -7.33
7 0
3 years ago
Read 2 more answers
What is the domain of f(x) = 3x?
Stolb23 [73]
Answer is C.
All real numbers

hope it helps
5 0
3 years ago
Read 2 more answers
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