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ra1l [238]
3 years ago
14

Find the surface area of a cylinder with a diameter of 18 and a height of 32. Use 3.14 for π. Round your answer to the nearest t

enth.
Mathematics
1 answer:
Ksenya-84 [330]3 years ago
7 0

Answer: a = 2,315.5

Step-by-step explanation:

a = 2πrh+2πr²

a = 2π(9)(32) + 2π9²

a = 2π x 288 + 2π x 81

a = 1809.6 + 508.9

a = 2,315.5

(pls mark me the brainliest)

(theres a button that says "mark brainliest" on my answer)

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State the leading coefficient of the polynomial:<br> f(x) = 6x^5 + 9x^4 + 2x^3 + 3x^2 - 4x -6
dlinn [17]

Answer:

The leading coefficient of the polynomial is 5 .

Step-by-step explanation:

f(x) = 6x^5 + 9x^4 + 2x^3 + 3x^2 - 4x -6

In this polynomial , the highest exponential is the leading coefficient .

So there are 5 coefficients ,

5 , 4 , 3 , 2 , and x

so above , the highest one is 5 .

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What does the infinity symbol mean in intermediate math
TiliK225 [7]
That means the decimal is repeatative
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What is the measure of the central angle.
Nana76 [90]

Answer:

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Step-by-step explanation:

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3 0
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Solve the inequality -5/2(3x+4)&lt;6-3x show your work
grin007 [14]

Answer:

The answer to your question is:  x > - 32 / 9  

Step-by-step explanation:

                                   

                                  2[ -5/2 (3x + 4) < 6 - 3x ]           x (2)

                                  -5 (3x + 4) < 12 - 6x  

                                 -15x - 20 < 12 - 6x

                                -15x + 6x < 12 + 30                     Simplify

                                - 9 x < 32                                   solve for x

                                x > - 32 / 9                                 result

8 0
3 years ago
The sugar sweet company will choose from two companies to transport its sugar to market. The first company charges 6597 to rent
Romashka [77]

The cost when two companies charge the same is $ 9006

<em><u>Solution:</u></em>

Let "x" be the tons of sugar

<em><u>The first company charges 6597 to rent trucks plus an additional fee of $200.75 for each ton of sugar</u></em>

Therefore,

Amount for first company: 6597 + 200.75(tons of suagr)

Amount for first company: 6597 + 200.75x --------- eqn 1

<em><u>The second company charges $7500 to rent trucks plus an additional fee of $125.50 for each ton of sugar</u></em>

Therefore,

Amount for second company: 7500 + 125.50(tons of sugar)

Amount for second company: 7500 + 125.50x --------- eqn 2

<em><u>For what amount of sugar do the companies charge the same?</u></em>

For both the companies to charge the same, eqn 1 must be equal to eqn 2

6597 + 200.75x = 7500 + 125.50x

200.75x - 125.50x = 7500 - 6597

75.25x = 903

x = 12

Thus for 12 tons of sugar, both the companies charge the same

<em><u>What is the cost when two companies charge the same?</u></em>

Substitute x = 12 in any one of equations

Let us substitute x = 12 in eqn 1

\rightarrow 6597 + 200.75x = 6597 + 200.75(12)\\\\\rightarrow 6597 + 2409 = 9006

Thus the cost when two companies charge the same is $ 9006

5 0
3 years ago
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