3 years ago

Solve 4x + 6 + 8 = 28.

Mathematics

1 answer:

mario62 [17]3 years ago

5 0

The answer is B because -1 and -11 is the only that makes that sentence true

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A rectangular solid with a square base has a volume of 4096 cubic inches - determine the dimensions that yield the minimum surfa

Bumek [7]

Answer:

side of base, a = 10.1 inches, height, h = 40.1 inches

Step-by-step explanation:

Volume of rectangular solid, V = 4096 cubic inches

Let the side of base is a and the height is h.

$V = a^2h\\\\4096 = a^2 h ..... (1)$

surface area of the solid

$S = 2a^2 + 4 ah \\\\S = 2a^2 + 4 \times a \times \frac{4096}{a^2} from (1)\\\S = 2a^2 + \frac{4096}{a}\\\\\frac{dS}{da}= 4 a - \frac{4096}{a^2}\\\\4 a - \frac{4096}{a^2} = 0 \\\\a^3 = 1024\\\\a =10.1 inches$

So, h = 40.2 inches

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3 years ago

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Kitty [74]

Answer:31 dived by 81 is 0.3703

Step-by-step explanation:

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4 years ago

Jim’s pay is £180 each week.

irina [24]

increases by 11.1% and his raise £18 and £2 less than what he wants

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3 years ago

About how much more is 22 to the 7 power and 22 to the 4 power

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3 years ago

10 more than 405. 4 hhundred 0 tens 5 ones

vova2212 [387]

(4 hundred + 0 tens + 5 ones) + (1 ten) = 4 hundred + 1 ten + 5 ones

... = 415

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