MATHEMATICS COLLEGE

Match the pairs in the picture

Answers

Answer 1

Answer:

Answer: Y=-3tan3x is $\pi /3$

Y=6sin3x is $2\pi /3$

Y=2cos2x/3 is $3\pi$

Y=-2/3secx/5 is $10\pi$

Step-by-step explanation:

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Red beads cost $1 an ounce and gold beads cost $3an ounce. Juanita wants to purchase a 12-ouncemixture of red and gold beads that she can sell for $2an ounce. The solution of the system shows thenumber of beads needed for Juanita to break even.x + y = 12x + 3y = 24How many ounces of red beads will Juanita buy tobreak even?How many ounces of gold beads will she buy?
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Solve this system of linear equations. Separatthe x- and y-values with a comma.9x - 10y = -343x - 4y = -16
A king company requires 20 hours of labor to produce a standard table, and a chair requires 12 hours of labor. The labor available is 565 hours per week. The company can produce at most 35 chairs per week.The goal is to find the region that shows the number of tables and chairs that the company can produce in a week, based on the given restrictions. The first step is to represent the situation with a system of inequalities. Let x be the number of tables and y be the number of chairs.Which system of inequalities best represents this situation?please help and thank you!!

Urgent can you help right away! Please help with these math questions!!!!
Answer 1 and 2 in hundredths and 3 in tenths

Answers

A
R=8 km
B
r= 7ft
h = 11ft
C
r= 10 mi
h = 20 mi

Jenna flips two pennies 105 times. How many times can she expect both coins to come up heads?

Answers

The number of times that both coins come up heads will be 26.25.

What is the expected value?

In parameter estimation, the expected value is an application of the weighted sum. Informally, the expected value is the simple average of a considerable number of individually determined outcomes of a randomly picked variable.

The expected value is given below.

E(x) = np

Where n is the number of samples and p is the probability.

If two coins are flipped. Then the total number of the event is given as,

Total = 2 x 2 = 4 {HH, HT, TH, TT}

Favorable event = 1 {HH}

The probability of getting both same, then we have

P = 1/4

Jenna flips two pennies 105 times. Then the number of times that both coins come up heads will be given as,

E(x) = p × n

E(x) = 1/4 × 105

E(x) = 26.25

The number of times that both coins come up heads will be 26.25.

More about the expected value link is given below.

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Hi there!

Since the chance of one coin landing on heads is 1/2, we should multiply.

1/2 × 1/2 = 1/4

105 × 1/4 = 26.25

So, the answer is 26.25 times.

Hope this helps!

The floor of a shed given on the right has an area of 44 square feet . The floor is in the shape of a rectangle whose length is 3 less than twice the width. Find the length and width of the floor of the shed.

Answers

Answer:

The length and width of the floor of the shed are 8 feet and 5.5 feet, respectively.

Step-by-step explanation:

Given that the shape of the shed is a rectangle, the expression for the area is:

$A = w \cdot l$

Where $w$ and $l$ are the width and length of the shed, measured in feet. In addition, the statement shows that $l = 2\cdot w - 3\,ft$ . Then, the equation of area is expanded by replacing length:

$A = w\cdot (2\cdot w - 3)$

$A = 2\cdot w^(2) - 3\cdot w$

If $A = 44\,ft^(2)$ , then, a second-order polynomial is formed:

$2\cdot w^(2)-3\cdot w - 44 = 0$

The roots of this equation are found via General Equation for Second-Order Polynomials:

$w_(1) = (11)/(2)\,ft$ and $w_(2) = -4\,ft$

Only the first roots is a physically reasonable solution. Then, the length of the shed is:

$l = 2\cdot \left((11)/(2)\,ft \right)-3\,ft$

$l = 8\,ft$

The length and width of the floor of the shed are 8 feet and 5.5 feet, respectively.

Will give brainliest!!! What is m

Answers

Answer:

29°

Step-by-step explanation:

Since this a right triangle and the sum of interior angles in a triangle is 180° We can say

2x + 1 + 5x + 5 = 90°

7x + 6 = 90°

7x = 84°

x = 14 and m<A = 2x + 1 we replace x with the value we found m<A = 14 × 2 + 1 = 29°

The following dot plot shows the number of cavities each of Dr. Vance's 63 patients had last month. Each dot represents a different patient. Which of the following is a typical number of cavities one patient had?

Answers

Answer:

$The$ $answer$ $is$ $2$

Step-by-step explanation:

There are lots of ways we can think about the typical number of cavities.

What was the most common number of cavities?

If we split the cavities evenly among all the patients, how many cavities would each patient have?

What would be the balance point of the data?

What is the middlemost number of cavities?

The most patients had 0cavities.

If we split the cavities evenly, each patient would have 2 or 3 cavities.

If we put our dot plot on a balance scale, it would balance when the pivot was between 2 and 3 cavities.

The scale would tip if, for example, we put the pivot at 5 cavities.

There are 8 patients with 2 cavities each. About half of the rest of the patients have fewer than 2 cavities and about half have more than 2 cavities.

Of the choices, it is reasonable to say that a patient typically had about 2 cavities.

$Thank$ $you$ $for$ $reading$ , $stay$ $safe!!!$ -Written in $2/4/2021$

Final answer:

The 'typical' number of cavities one patient had can be determined by finding the mode (most common number) in the data set, which should be represented in the dot plot. To do this, one would count the number of dots at each value on the dot plot. The value with the most dots would be the 'typical' number of cavities.

Explanation:

The question is asking for a 'typical' number of cavities one patient had out of Dr. Vance's 63 patients. In statistics, a typical, or 'common', value can be shown by calculating the mode, which is the number that appears most frequently in a data set.

Unfortunately, the dot plot is missing from the information provided. However, to find the mode (or typical value) using a dot plot, you would typically count how many dots are at each value on the plot. The value with the most dots (indicating the most patients with that number of cavities) is the mode. This would be the 'typical' number of cavities a patient of Dr. Vance had last month.

Let's create a hypothetical scenario. If your dot plot looked like this:

0 cavities: 10 patients
1 cavity: 15 patients
2 cavities: 24 patients
3 cavities: 8 patients
4 cavities: 6 patients

The mode would be 2 cavities because 24 patients had this amount, more than any other amount. Therefore, the 'typical' number of cavities one patient had would be 2.

Learn more about Dot Plot & Mode here:

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PLLLLLLLLLLLLLLLZZZZZZ HELP IVE BEEN STUCK ON THIS ONE

Answers

Answer:

yeet device and hope it breaks.

Step-by-step explanation:

Take a picture and say it died

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