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3 years ago

Find the volume of this cylinder. Give your answer to 1 decimal place when the radius is 11 cm and the length is 14 cm

Mathematics

1 answer:

Grace [21]3 years ago

7 0

Answer:

Step-by-step explanation:

V=πr2h=π·112·14≈5321.85796

The original formula to find the volume of a cylinder is:

<em>V=πr2h</em>

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In which quadrants are the y-coordinates positive

andreyandreev [35.5K]

The first and second quadrants only.

4 0

3 years ago

Read 2 more answers

) Evaluate<br> 42+(9 divided by 3 x 2) - 4

Ronch [10]

Answer:

Step-by-step explanation:

Parenthesis

Exponents

Multiplication/Division (left to right)

Addition/Subtraction (left to right)

42 + (9 ÷ 3 x 2) - 4 <== divide first (left to right)
42 + ((9 ÷ 3) x 2) - 4

42 + (3 x 2) - 4 <== multiply

42 + 6 - 4 <== add

48 - 4 <== subtract

Final answer: 44

Hope this helps!

4 0

2 years ago

Margaret’s bottle of shampoo is 7/8 full. She uses 1/3 of the shampoo in the bottle to wash the dog. Estimate what fraction of s

AleksandrR [38]

Fraction of shampoo left = $\frac{13}{24}$

Solution:

Given fraction of full shampoo $=\frac{7}{8}$ .

Fraction of shampoo Margaret used $=\frac{1}{3}$

Fraction of shampoo left = Full shampoo – fraction of shampoo used

$=\frac{7}{8}-\frac{1}{3}$

To make the denominators same do cross multiplication.

$=\frac{7\times3}{8\times3}-\frac{1\times8}{3\times8}$

$=\frac{21}{24}-\frac{8}{24}$

$=\frac{21-8}{24}$

$=\frac{13}{24}$

Hence $\frac{13}{24}$ of the shampoo bottle is left.

8 0

4 years ago

<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20-%5Cfrac%7Bx%7D%7B5%7D%20%2B%202%20%3D%200" id="TexFormula1" title="x^{2} -\frac

crimeas [40]

x^2 - x/5 + 2 = 0

Subtract 2 from both sides.

x^2 - x/5 = -2

Multiply all terms by 5.

5x^2 - x = -10

Add 10 to both sides.

5x^2 - x + 10 = 0

We can now apply the quadratic formula:

$-b ± \frac{\sqrt{b^2 - 4ac} }{2a}$

1 ± (√ 1 - 200) / 10

1 ± √-199 / 10

1 ± i√199 / 10

<h3><u>The solutions are equal to 1 + or - i times the square root of 199 divided by 10.</u></h3>

5 0

3 years ago

Cx =d+r solve for x .! pls explain

elena-14-01-66 [18.8K]

Answer: $x=\frac{d+r}{c}$

Step-by-step explanation:

Simply divide by c to isolate x.

$\frac{cx}{c}=\frac{d+r}{c}$

$x=\frac{d+r}{c}$

5 0

4 years ago