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yan [13]
1 year ago
10

If a pound of rolled oats costs $12, how many ounces can be bought for $4.35?

Mathematics
1 answer:
Tpy6a [65]1 year ago
7 0

5.8 ounces of oat can be bought for $4.35

<h3>Ratio and proportion</h3>

Fractions are written as the ratio of two expression

According to the question a pound of rolled oats costs $12, this can be expressed as;

1  pound of oat = $12

since 1 pound = 16 ounces, hence;

16 ounces = $12

Determine the amount bought for $4.35

x = $4.35

16/x = 12/4.35

12x = 69.6

x = 5.8 ounces

Hence 5.8 ounces of oat can be bought for $4.35

Learn more on pounds to ounce here: brainly.com/question/10618309

#SPJ1

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Answer:

63.6

Step-by-step explanation:

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What is the solution of the following system
AleksAgata [21]

Step-by-step explanation:

8x + 14y = 4 ...1

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8x + 14y +(-12x -14y) = 4 +(-20)

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4 0
3 years ago
A research study investigated differences between male and female students. Based on the study results, we can assume the popula
garri49 [273]

Using the <u>normal distribution and the central limit theorem</u>, it is found that the interval that contains 99.44% of the sample means for male students is (3.4, 3.6).

In a normal distribution with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

  • It measures how many standard deviations the measure is from the mean.  
  • After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.
  • By the Central Limit Theorem, the sampling distribution of sample means of size n has standard deviation s = \frac{\sigma}{\sqrt{n}}.

In this problem:

  • The mean is of \mu = 3.5.
  • The standard deviation is of \sigma = 0.5.
  • Sample of 100, hence n = 100, s = \frac{0.5}{\sqrt{100}} = 0.05

The interval that contains 95.44% of the sample means for male students is <u>between Z = -2 and Z = 2</u>, as the subtraction of their p-values is 0.9544, hence:

Z = -2:

Z = \frac{X - \mu}{\sigma}

By the Central Limit Theorem

Z = \frac{X - \mu}{s}

-2 = \frac{X - 3.5}{0.05}

X - 3.5 = -0.1

X = 3.4

Z = 2:

Z = \frac{X - \mu}{s}

2 = \frac{X - 3.5}{0.05}

X - 3.5 = 0.1

X = 3.6

The interval that contains 99.44% of the sample means for male students is (3.4, 3.6).

You can learn more about the <u>normal distribution and the central limit theorem</u> at brainly.com/question/24663213

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2 years ago
A gift basket that contains jars of jam and packages of bread mix costs $45. There are 8 items in the basket. Jars of jam cost $
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The equation you had:
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