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Korolek [52]
2 years ago
8

Imagine we paint a 4x4x4 cube blue on every side.how many of the small cubes have 3 blue faces? How many have 2 blue faces? How

many have 1 blue face? How many have not been painted at all? And how many faces would be painted in a cube of any size.think visually
PLEASE ANSWER ASAP. WILL MARK BRAINLIEST!

Mathematics
1 answer:
alina1380 [7]2 years ago
3 0
1. 8 small cubes
2. 8 small cubes
3. 20 small cubes
4. 8 small cubes
I believe that is the correct answer sorry if I’m wrong
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Solve using the quadratic formula. Show all work. Write each solution in simplest form. No decimals.
aleksandrvk [35]

Answer:

x = -2+√3i and -2-√3i

Step-by-step explanation:

The formula for the general formula is expressed as;

x = -b±√b²-4ac/2a

Given the expression

x²+4x+7 = 0

a = 1, b = 4 and c = 7

Substitute

x = -4±√4²-4(1)(7)/2(1)

x  = -4±√16-28/2

x = -4±√-12/2

x = -4±√4*-3/2

x = -4±2√-3/2

x = -4±2√3i/2

x = -4+2√3i/2 and  -4-2√3/2

x = -2+√3i and -2-√3i

6 0
3 years ago
On a boat, a cabin's window is in the shape of an isosceles trapezoid, as shown below. What is the area of the window?
kramer

Answer:

63 m²

Step-by-step explanation:

The diagram shows a parallelogram.

Area

= 9 x 7

= 63 m²

7 0
3 years ago
What is the result of adding these two equations?<br> 4x – 4y = -2<br> –9x – 4y = -3
kondaur [170]

Answer: -5x-8y=-5

Step-by-step explanation:

add right sides of equation and even them with result of adding right sides of equation

4x-4y-9x-4y=-2-3

-5x-8y=-5

5 0
3 years ago
Please answer this. kevin buys 4 chairs. each cir cost $13.50. the sales taxs is 6.5%.
MatroZZZ [7]
The answer would be $57.51
3 0
2 years ago
Complete the square to make a perfect square trinomial. Then, write the result as a binomial squared. c2+3c
Nana76 [90]

Answer:

(c+3/2)^2

Step-by-step explanation:

8 0
3 years ago
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