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2 years ago

9

Four bags of rice and two bags of corn weigh 52 lbs. Three of the bags of rice weigh 24 lbs. What is the ratio of weight of the

bag of corn to the weight of the bag of rice?

1 answer:

Paraphin [41]2 years ago

4 0

Answer:

2.1666666

Step-by-step explanation:

52÷24=2.1666666

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a machine takes 4.2 hours to make 7 parts. at that rate how many parts can the machine make in 28.8 hours

Karo-lina-s [1.5K]

In 1 hour, a machine could make:
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find the smallest number by which 339 must be multiplied so that the product is a perfect cube. also find the cube root of the p

Murljashka [212]

Answer:

<em>The smallest number is 114921 and the cube root of the result is 339</em>

Step-by-step explanation:

The number 339 can be factored as:

339 = 3 * 113

Both factors are prime, thus to produce a perfect cube, we must multiply by each factor to the power of 2, that is:

3^2*113^2=114921

When we multiply 339 by 114921 we get 38958219, a perfect cube which cube root is 339.

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3. Which of the following equations is equivalent to the equation shown below? x^2 + 4x + 15 = 0

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We need to expand the answer choices and see which one matches the equation

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Now, if we expand choice D, we should get this. Let's expand:

$\begin{gathered} (x+2)^2=-11 \\ x^2+2(1)(2)+(2)^2=-11 \\ x^2+4x+4=-11 \\ x^2+4x+4+11=0 \\ x^2+4x+15=0 \end{gathered}$

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