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kakasveta [241]
3 years ago
15

What is the answer two 10 x 3/4 x pi x 0 x i x 2

Mathematics
2 answers:
elena55 [62]3 years ago
6 0

Answer:

The answer is zero

Step-by-step explanation:

vovikov84 [41]3 years ago
4 0

Answer:

0 or 2i

Step-by-step explanation:

I said zero because it is time zero but the times zero is before the x i x 2 so it could possibly be 2i.

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The square below has an area of x^2+10x+25 square meters. What expression represents the length of one side of the square?
Andre45 [30]

(x+5) represents each side of a square. Since all sides of a square are equal, we know that all sides are (x+5).

Base x height = (x+5)(x+5)

Which is x^2+10x+25!

8 0
3 years ago
Prove that there is a positive integer that equals the sum of the positive integers not exceeding it. Is your proof constructive
Elena L [17]

Answer:

Constructive Proof

Step-by-step explanation:

Let x be a positive integer

x must be equal to sum of all positive integers exceeding it

i.e.

x = x + (x - 1) + ( x - 2) + ......... + 2 + 1

Equivalently,

x = ∑i (where i = 1 to x)

The property finite sum;

∑i (i = 1 to x) = x(x + 1)/2

So,

x = x(x + 1)/2 ------- Multiply both sides by 2

2 * x = 2 * x(x + 1)/2

2x = x(x + 1)

2x = x² + x ------- subtract 2x from both sides

2x - 2x = x² + x - 2x

0 = x² + x - 2x ----- Rearrange

x² + x - 2x = 0

x² - x = 0 ------ Factorise

x(x - 1) = 0

So,

x = 0 or x - 1 = 0

x = 0 or x = 1 + 0

x = 0 or x = 1

But x ≠ 0

So, x = 1

The statement is only true for x = 1

This makes sense because 1 is the only positive integer not exceeding 1

1 = 1

It is a Constructive Proof

A proof is constructive when we find an element for which the statement is true.

8 0
3 years ago
What is the value of x in the figure shown?
Leona [35]

Answer:

x=66

Step-by-step explanation:

Hey There

So if you didn't know the exterior angle is equal to the sum of two opposite interior angles (38 and x)

so to find x we subtract 38 from 180

104-38=66

so x = 66

7 0
3 years ago
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Which of the following could be a slant cross section of a right cone?
uysha [10]
C as the bass is flat and the two sides are straight so no curved edges ruling out all other options and definitely not A as a cross section is 2d
3 0
2 years ago
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In quadrilateral PQRS below, sides PS and QR are parallel for what value of x ?
Marysya12 [62]

Answer:

ps and qr is parellel so the 70°and x is co interior angles.

so, our equation will be look like .

70°+x=180°

x=180°-70°

x=110°

3 0
2 years ago
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