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4 years ago

7

coffe beans are packaged in 50 kg cartons with an allowable error of 0.7 percent what is the acceptable weight range for a carto

n of coffee beans?

1 answer:

Fofino [41]4 years ago

7 0

Answer:

0.35

Step-by-step explanation:

you mutiply 50 times 0.7%

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Christopher needs to buy wooden boardes to build a box that is 12 inches long, 6 inches wide, and 8 inches high. How many square

anzhelika [568]

Answer:

432 in²

Step-by-step explanation:

To Obtian the square inches of wooden boards required :

Area of box = 2(l * w) + 2(l * h) + 2(h * w)

Length = 12 ; width = 6 ; height = 8

Hence,

Area of box = 2(12 * 6) + 2(12 * 8) + 2(8 * 6)

Area of box = 2(72) + 2(96) + 2(48)

Area of box = 432 in²

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3 years ago

What number is represented by −3x²+√2x+1/2 when x=√2?

Mila [183]

Answer:

at x = $\sqrt{2}$ , $-3x^{2} + \sqrt{2}x + \frac{1}{2}$ = -3.5

Step-by-step explanation:

The given equation is $-3x^{2} + \sqrt{2}x + \frac{1}{2}$

Now, substitute the value of x = $\sqrt{2}$ in the above equation.

The given equation simplifies to,

$-3(\sqrt{2})^{2} + (\sqrt{2})(\sqrt{2}) + \frac{1}{2}$

now, $\sqrt{2} . \sqrt{2} = 2, \textrm{and} (\sqrt{2} )^{2} = 2$

So, the equation become

-3(2) + 2 + (1/2) = $-6 + 2 + \frac{1}{2} = -4 + \frac{1}{2} = \frac{-8 + 1}{2} = \frac{-7}{2}$

= -3.5

So, at x = $\sqrt{2}$ , $-3x^{2} + \sqrt{2}x + \frac{1}{2}$ = -3.5

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3 years ago

The currency in Europe is the Euro. The exchange rate is approximately $4 = 3 Euros. At this rate, how many dollars would you ge

Sholpan [36]

Answer:

60?

Step-by-step explanation:

not sure

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4 years ago

Read 2 more answers

Write an expression thats is equivalent to 8(a+5)

son4ous [18]

Answer:

8a+40

Step-by-step explanation:

8(a+5)

Distribute the (8) by multiplying it by the (a) and the (5).

8 0

3 years ago

Expressions that show the quotient of a number n and 4

zaharov [31]

the quotient of a number n and 4

$n:4=\dfrac{n}{4}$

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3 years ago