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Alex
2 years ago
7

Find the surface area of the cube

Mathematics
2 answers:
CaHeK987 [17]2 years ago
7 0

Answer:

600

Step-by-step explanation:

the surface area of the cube is 600

shutvik [7]2 years ago
6 0

Answer:

The answer would be 600

Step-by-step explanation:

Hope this helps! :)

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PLEASEEEE ANSWER ASAP
Alona [7]

Answer:

x = -1, x = 1

Step-by-step explanation:

Factor the equation. (It's a difference of squares, so we know the form will be (a-b)(a+b).)

y = x^{2} - 1\\y = (x-1)(x+1)

Test this by FOILing it out, if you're unsure. This is something it can be good to memorize!

Set it equal to 0.

0 = (x+1)(x-1)

Separate the two parenthetical expressions by the Zero Product Property.

0 = x+1\\0 = x-1

Solve for x!

x=-1, x=1

3 0
3 years ago
Select all of the equations that are true.
ValentinkaMS [17]

Answer:

none

823÷418=2

1112÷834=1.333333333

8 0
2 years ago
Which relationship describes angles 1 and 2?
pav-90 [236]
Angles 1 and 2 are supplementary angels because they form a line.
Angles 1 and 2 are adjacent angles because they share an interior ray and they have a common vertex.
7 0
3 years ago
Read 2 more answers
Which is the solution to the equation below? 9=n+3
Lyrx [107]
9=n+3
Subtract 3 on each side

n=6
3 0
3 years ago
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ii. A machine is sold for 7,000/-. The gross loss is 20% of the cost. What are the cost and gross loss?
aleksley [76]

Given:

Selling price of a machine = 7000/-

Gross loss = 20%.

To find:

The cost and gross loss.

Solution:

Let x be the cost of machine.

According to the question,

x-20\%\text{ of }x=7000

x-\dfrac{20}{100}x=7000

x-0.2x=7000

0.8x=7000

Divide both sides by 0.8.

x=\dfrac{7000}{0.8}

x=8750

So, the cost of the machine is 8750/-.

Now,

\text{Gross Loss}=\text{Cost}-\text{Selling price}

\text{Gross Loss}=8750-7000

\text{Gross Loss}=1750

Therefore, the gross loss is 1750/-.

8 0
2 years ago
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