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shtirl [24]
3 years ago
7

Josh bought 24 pounds of rice for $10. How many dollars did he pay per pound of rice?

Mathematics
2 answers:
LekaFEV [45]3 years ago
8 0

Answer:

24 \times 10  = 24

Step-by-step explanation:

  1. <em>2</em><em>4</em>
  2. <em>1</em><em>0</em><em> </em><em> </em>
  3. <em>equal</em><em> </em><em>2</em><em>4</em>

8_murik_8 [283]3 years ago
7 0

To find the cost per pound of rice, we can divide.

10 / 24 ≈ $0.42

A pound of rice approximately costs $0.42

Best of Luck!

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Rewrite the following addition equation as a subtraction equation ×+18.7=23.5
pishuonlain [190]

Answer:

23.5 - 18.7 = x

Step-by-step explanation:

Isolate the variable

5 0
2 years ago
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Two events, A and B, are independent of each other. P(A) = 1/6 and P(A and B) = 1/8 What is P(B) written as a decimal? Round to
Leona [35]
P(B) = 0.75.

For independent events, P(A and B) = P(A)*P(B).  This gives us

1/8 = 1/6(x)

Divide both sides by 1/6:
1/8 ÷ 1/6 = x
1/8 × 6/1 = x
6/8 = x
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5 0
3 years ago
Toll Brothers is a luxury home builder that would like to test the hypothesis that the average size of new homes exceeds 2,400 s
boyakko [2]

Answer:

Since the pvalue of the test is 0.09 > 0.01, we do not reject the null hypothesis that the average size of new homes is of 2400 square feet.

Step-by-step explanation:

Toll Brothers is a luxury home builder that would like to test the hypothesis that the average size of new homes exceeds 2,400 square feet. Test to see if the average size of new homes exceeds 2,400 square feet.

At the null hypothesis, we test if the average is of 2400 square feet, that is:

H_o: \mu = 2400

At the alternate hypothesis, we test if the average is greater than 2400 square feet, that is:

H_a: \mu > 2400

The test statistic is:

Since we have the standard deviation for the sample, we use the t-distribution.

t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

In which X is the sample mean, \mu is the value tested at the null hypothesis, s is the standard deviation of the sample and n is the size of the sample.

2400 is tested at the null hypothesis:

This means that \mu = 2400

A random sample of 36 newly constructed homes had an average of 2,510 square feet with a sample standard deviation of 480 square feet.

This means that n = 36, X = 2510, s = 480

Test statistic:

t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

t = \frac{2510 - 2400}{\frac{480}{\sqrt{36}}}

t = 1.375

Pvalue of the test and decision:

The pvalue of the test is the probability of finding a sample mean of at least 2510, which is the pvalue of t = 1.375 with 36 - 1 = 35 degrees of freedom, using a one-tailed test.

With the help of a calculator, this pvalue is of 0.09

Since the pvalue of the test is 0.09 > 0.01, we do not reject the null hypothesis that the average size of new homes is of 2400 square feet.

6 0
2 years ago
There were 47 bales of hay in the barn. Mike stacked more bales in the barn today. There are now 78 of hay in the barn. How many
ICE Princess25 [194]

Answer:

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Step-by-step explanation:

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We first calculate Emily's rate by dividing the distance from her home to the post office by the time it took her to travel that distance. From 8:25 to 8:29 (and 30 seconds), there are exactly 4.5 minutes. Thus, the rate is equal to,
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Then, we divide the given distance from her home to school by the calculate rate to determine the total number of minutes it will take her to travel to school.
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Adding this to 8:25 will give us an answer of 8:45 and 31.2 seconds. She will not be late. 
6 0
3 years ago
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