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sweet-ann [11.9K]
4 years ago
10

Simplify this radical. the square root of 84

Mathematics
2 answers:
Mkey [24]4 years ago
3 0

Answer:

The square root of 84 is 9.1651...etc, so in a shorter form, <em>9</em>.



Lelu [443]4 years ago
3 0

Answer: \sqrt[2]{21}

Explanation: Work is provided in the image attached.

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Answer:

I dunno this one, u should

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Also called regrouping this is when adding numbers results in more than two digits and one digit is placed in the colum to the l
kotykmax [81]

Answer:

Carrying forward.

Step-by-step explanation:

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6 0
3 years ago
A printer has a contract to print 100,000 posters for a political candidate. He can run the posters by using any number of plate
yulyashka [42]

Answer:

25

Step-by-step explanation:

From the given information;

Numbers of posters that can be printed in an hour = no of impression/hour × no of plate utilized in each impression.

= 1000x

Thus, the required number of hours it will take can be computed as:

\implies \dfrac{100000}{1000x} \\ \\ =\dfrac{100}{x}

cost per hour = 125

If each plate costs $20 to make, then the total number of plate will equal to 40x

∴

The total cost can be computed as:

C(x) = (\dfrac{100}{x}) \times 125 + 20 x --- (1)

C'(x) = (-\dfrac{12500}{x^2})  + 20  --- (2)

At C'(x) = 0

\dfrac{12500}{x^2} = 20

\dfrac{12500}{20} = x^2

x^2= 625

x = \sqrt{625}

x = 25

C'' (x) = -12500 \times \dfrac{-2}{x^3} +0

C'' (x) = \dfrac{25000}{x^3}

where; x = 25

C'' (x) = \dfrac{25000}{25^3}

C''(x) = 1.6

Thus, at x = 25, C'' > 0

As such, to minimize the cost, the printer needs to make 25 metal plates.

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3 years ago
Sally is planning the school picnic and needs to decide what food vendor to
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Answer:0.03

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A circle with an area 9pi has a sector with a central angle of 1/9pi what is the area of the sector
ludmilkaskok [199]

Answer:

½pi or 0.5pi units²

Step-by-step explanation:

Area : angle

9pi : 2pi

x : pi/9

9pi/2pi = x/(pi/9)

4.5 × pi/9 = x

x = ½pi or 0.5pi units²

8 0
3 years ago
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