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dezoksy [38]
3 years ago
5

Which is the surface area of the cube?

Mathematics
1 answer:
Deffense [45]3 years ago
5 0
96 sq m (A)

6(4*4)=96
The area of something is squared.
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the width of a rectangle is 12 cm less than the length the perimeter is 156 cm. Find the with and length
mamaluj [8]

We know that the perimeter of a rectangle is twice the length, plus twice the width.  

P = 2L + 2W  

We also know that the perimeter is 156.  

P = 156  

Finally, we know that the width is 12 less than the length.  

W = L - 12.  

The next thing that we do is substitute the information that we have into the original equation:  

P = 2L + 2W  

156 = 2L + 2(L - 12)  

From this point we start to solve  

156 = 2L + 2L - 24 <---we multiplied the '2' through the parenthesis  

156 + 24 = 2L + 2L - 24 + 24  

180 = 2L + 2L <--- getting like terms on same sides  

180 = 4L <---combining like terms  

180/4 = 4L/4 <--- getting like terms on same sides  

45 = L <---now we have a value for L  

Now we take the known value for L and substitute it in to our equation for W  

W = L - 12  

W = 45 - 12  

W = 33  

So now we have Length = 45 and Width = 33.

6 0
3 years ago
Read 2 more answers
A fish tank is in the shape of a cube. Its volume is 125 ft 3. what is the area of one face of the tank
KiRa [710]
5*5*5=125
so answer is 5 ft
4 0
3 years ago
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Simplify |−3 − 8|<br> A. –11<br><br> B. –5<br><br> C. 5<br><br> D. 11
bazaltina [42]

Answer:

<h3>It's answer is D. 11 </h3>

Here we can see there is modulus so

while doing calculation

| -3-8 |

| -11 |

Here it is modulus so - changes into +

so it's answer is 11.

8 0
3 years ago
Solve the system by substitution.<br> y = -3x +4<br> y = 2
erma4kov [3.2K]

Answer:

(2/3,2)

Step-by-step explanation:

3*2/3+4

simplify  2=2

5 0
2 years ago
(3/4)3 write as improper fraction and mixed number
matrenka [14]
15/4, 3 3/4, and 3.75
5 0
3 years ago
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