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MArishka [77]
2 years ago
9

Marilyn is having shelves installed to create a corner pantry. the length of one wall is 21 inches and the length of the other w

all is 25 inches. the contractor who is making the shelves, which are shaped like right triangles, needs to know the measure of the angle opposite the short side of the pantry, m∠a. what is the measure of that angle? round your answer to the nearest degree.
Mathematics
1 answer:
shutvik [7]2 years ago
6 0

Answer:

He says the answer is 40°

Step-by-step explanation:

Answer is on brainly, here is the link to the answer. Hope it helps with your question!

brainly.com/question/4354055?referrer=searchResults

Hope this helps!

If not, I am sorry.

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An author receives a contract from a publisher, according to which she is to be paid a fixed sum of $20,000 plus $3.50 for each
Schach [20]

Answer:

The mean of the total payments she will receive is $79,500.

The standard deviation  of the total payments she will receive is $14,000.

Step-by-step explanation:

Given : An author receives a contract from a publisher, according to which she is to be paid a fixed sum of $20,000 plus $3.50 for each copy of her book sold. The author judges that her uncertainty about total sales of the book can be represented by a random variable with a mean of 17,000 and a standard deviation of 4,000 books.

To find : The mean and standard deviation of the total payments she will receive ?

Solution :

Let 'x' represent total sales of the book.

Let 'y' represent the payment to the author.

According to question,

The mean of the total payments she will receive is given by,

\mu_y=20,000+3.50\mu_x

Where, \mu_x=17,000

Substitute in the equation,

\mu_y=20000+3.50\times 17000

\mu_y=20000+59500

\mu_y=79500

The mean of the total payments she will receive is $79,500.

The standard deviation of the total payments she will receive is given by,

\sigma_y=|3.50|\sigma_x

Where, \sigma_x=4,000

Substitute in the equation,

\sigma_y=|3.50|\times 4000

\sigma_y=14000

The standard deviation  of the total payments she will receive is $14,000.

7 0
3 years ago
What is the area of a right triangle with a base of 25 centimeters and a height of 13 centimeters?
sdas [7]

Answer:

<h3>162.5 cm²</h3><h3>Step-by-step explanation:</h3>

Area of a triangle = (BH)/2

Base= 25

Height=13

(25×13)/2= 162.5 cm²

6 0
3 years ago
A shipping company selects 75 random packages to check their weight.It finds that 3 packages were weighed incorrectly. How many
Misha Larkins [42]

Answer: 120 Packages

Step-by-step explanation:

Given

75 random packages are check

3 package is found faulty

So, the percentage of error is

\Rightarrow \dfrac{3}{75}\times 100=4\%

i.e. 4% packages is faulty

For 3000 sample, expected faulty packages are

\Rightarrow 3000\times \dfrac{4}{100}=120\ \text{Packages}

7 0
2 years ago
Rachelle buys a drink. She spends the same amount of money on her drink as Chuck spent on his candy. Rachelle now has only 1/3 o
Bad White [126]

Answer:

$1.80

Step-by-step explanation:

2/3x = 1.2

x = 1.2 / (2/3)

x = 1.2 * (3/2)

x = 1.80

5 0
3 years ago
What two letters don't appear on the telephone dial​
vekshin1

Answer:

Two letters that don't appear is q and z.

6 0
3 years ago
Read 2 more answers
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