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2 years ago

The curved surface area of a cylinder is

Mathematics

1 answer:

wel2 years ago

5 0

9514 1404 393

Answer:

414.5 cm³

Step-by-step explanation:

The lateral area of a cylinder is given by the formula ...

LA = 2πrh

Then the radius is ...

r = LA/(2πh)

The volume of the cylinder is given by ...

V = πr²h

Using the above expression for r, this becomes ...

V = π(LA/(2πh))²h = LA²/(4πh)

V = (250 cm²)²/(4π·12 cm) ≈ 414.47 cm³

The volume of the cylinder is about 414.5 cm³.

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The midpoint of AB is M(1, -1). If the coordinates of A are (7, -4), what are the

Lera25 [3.4K]

Answer:

The point which is the midpoint is equally spaced from both ends of the line. We know the coordinates of A and we know the coordinates of M, the midpoint.

Step-by-step explanation:

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2 years ago

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2 years ago

Three of the following statements contain inaccurate myths about randomness.

Luda [366]

Answer:

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Step-by-step explanation:

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2 years ago

Please help me with this !

baherus [9]

M-N is $M-N=2x^2+11x-9$

Option B is correct.

Step-by-step explanation:

If $M=5x^2+7x-4$ and $N=3x^2-4x+5$ then find M-N

We need to subtract N from M

We will combine like terms (terms having same variable and exponent) and then solve them:

$M=5x^2+7x-4$

$N=3x^2-4x+5$

$M-N=5x^2+7x-4-(3x^2-4x+5)\\M-N=5x^2+7x-4-3x^2+4x-5\\Combining\,\,like\,\,terms:\\M-N=5x^2-3x^2+7x+4x-4-5\\M-N=2x^2+11x-9$

So, M-N is $M-N=2x^2+11x-9$

Option B is correct.

Keywords: Solving Polynomials

Learn more about Solving Polynomials at:

#learnwithBrainly

6 0

3 years ago

What two numbers can I multiply to get -36 but add to get 5?

Zanzabum

Answer:-4×8=-36 -4+8=4

Step-by-step explanation:

you cant get 5 its impossible unless you do some crazy wizardry stuff but you do -4×8 witch equals -36 then you do -4+8 witch equals 4 hope I did this correctly >^<

7 0

2 years ago