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posledela
4 years ago
12

There are 4 people jogging. There are 5 more people walking than jogging. How many people are walking.

Mathematics
1 answer:
Lemur [1.5K]4 years ago
8 0

Answer:

Step-by-step explanation:

4 + 5=9

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The mean income per person in the United States is $50,000, and the distribution of incomes follows a normal distribution. A ran
sergij07 [2.7K]

Answer:

Yes. There is sufficient eveidence to support  the claim that Wilmington resident's earn more than the national average

Step-by-step explanation:

Given the following;

\alpha=Significance \ Level=0.05\\n=10\\\bar X=60000\\\ s=sample\  \sigma=10000

#We set our hypothesis as:

H_o:\mu\leq 50000\\H_a:\mu>50000

The rejection region of either hypothesis:

P(t>t_o)=0.05, we determine the critical values for this probability in the T distribution table;

t=1.833

=>We reject for all values greater than 1.833, t>1.833.

#We now determine the value of the test statistic as:

t=\frac{\bar X-\mu_o}{s/\sqrt{n}}\\\\=\frac{60000-50000}{10000/\sqrt{10}}\\\\=3.1623

We find that:

t=3.1623>1.833,\ \ \ Reject \ H_o

Hence, there is sufficient eveidence to support  the claim that Wilmington resident's earn more than the national average.

4 0
3 years ago
Will Mark Brainliest!! Please help ASAP!
Ira Lisetskai [31]

After 30 minutes from the time recipe is kept in the oven, then the temperature of the oven is kept at 350 °F.

<h3>What is a function?</h3>

The function is an expression, rule, or law that defines the relationship between one variable to another variable. Functions are ubiquitous in mathematics and are essential for formulating physical relationships.

A pumpkin pie recipe says to bake the pie at 425°F for 15 minutes, and then to adjust the temperature down to 350°F for 45 additional minutes.

The function P(t) gives the oven temperature setting t, in degrees Fahrenheit, t minutes after the pie is placed in the oven.

Diego discovers that the temperature inside the oven is always 25 degrees warmer than the oven’s temperature setting.

The function B gives the actual temperature of Diego’s oven.

If P(30) = 350. Then the corresponding point on the function B will be

The temperature function can be written as

P(t)=\begin{Bmatrix}425 & 0\leq t\leq 15 \\\\350 & 15 < t\leq 60 \\\end{Bmatrix}

The value of t = 30 lies in the interval of 15 < t ≤ 60.

After 30 minutes from the time recipe is kept in the oven, then the temperature of the oven is kept at 350 °F.

More about the function link is given below.

brainly.com/question/5245372

#SPJ1

8 0
2 years ago
What is the answer ​
olganol [36]
6576576576576475463543543653 is the answer:)
3 0
3 years ago
Becky and Julia decided to go on vacation. They found a great deal for 20% off any cruise. If their budget is $1,115, where can
serious [3.7K]

Answer:

Step-by-step explanation:

20% of 1150 is 230, so 1150-230=920

if the tax is applied after the discount, you find 10% of 920 (which is 92)

you add that to the discounted price 920+92= 1012, so they could go to florida.

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2 years ago
Find the greatest common factor.<br> 21², 41²
AleksAgata [21]

Answer:

gcf = 41

Step-by-step explanation:

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3 years ago
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