(Q3) Which of the following functions decreases, going downwards from left to right?

Two sides are 3 by 2 = 2 x 3 x 2 = 12 square m.

Two sides are 17 by 2 = 2 x 17 x 2 = 68 square m.

Two sides are 17 by 3 = 2 x 17 x 3 = 102 square m.

Total = 12 + 68 + 102 = 182 m²

Answer:

114m 2

Step-by-step explanation:

➷ tanR = 20/29

tanR = 0.689655

The correct option would be 0.6897

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The value of tan R using trignonometic values is 0.9524.

Tan is used to determine the value of an angle given the opposite side and the adjacent side. Tan R is the opposite side divided by the adjacent side.

Tan = opposite / adjacent

Tan = 20/21

Tan = 0.9524.

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Answer:

[tex]Cos (\frac{\pi}{3})[/tex]

Step-by-step explanation:

To get the angle in the first quadrant, we need to subtract 2π from the angle given as many times we need UNTIL we get an angle that is between 0 degree and 90 degree (1st quadrant).

Let's start by subtracting 2π from the angle given:

[tex]\frac{7\pi}{3}-2\pi\\=\frac{7\pi -2\pi(3)}{3}\\=\frac{7\pi - 6\pi}{3}\\=\frac{\pi}{3}[/tex]

This angle is in the 1st quadrant, so we don't need to subtract 2π anymore. Thus we can write:

[tex]Cos(\frac{7\pi}{3})=Cos(\frac{\pi}{3})[/tex]

Answer:

Which of the following sampling techniques is the most likely to produce a random sample, representative sample of all students at a high school?

A. Choosing every 10th name on the student roster

B. Choosing every 10th student arriving in a 9th grade homeroom

C. Choosing the first 100 students who arrive at school

D. Asking students to call a phone number to answer survey questions

Step-by-step explanation:

A random sample is choosing the first 100 students who arrive at school.

There are five types of Sampling Techniques

Random sampling is similar to putting everyone's name into a bowl and drawing out random names. Each element has a chance of being called.

Systematic sampling is easier to do than random sampling. In systematic sampling, the list of elements is "counted off". That is, every kth element is taken.

Convenience sampling is very easy to do, but it is the least effective technique to use. In convenience sampling, data that is easily available is used.

Cluster sampling is accomplished by dividing the population into groups usually geographically. These groups are called clusters or blocks. The clusters are randomly selected, and each element in the selected clusters are used.

Stratified sampling also divides the population into groups called strata. However, this time it is by some characteristic, not geographically.

Option C , i.e. Choosing the first 100 students who arrive at school is an example of Random Sampling.

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Answer:

4.24

Step-by-step explanation:

You can use the formula d=sqrt(2a to calculate this with ease.

Answer:

(5, -2)

Step-by-step explanation:

x + y = 3 can become x = 3-y

we are going to use substitution

now plug x = 3-y into the other equation

2(3-y) + 3y = 4

6-2y+3y = 4

6 + y = 4

subtract 6 from both sides

y = -2

now plug in y back into one of the equations, it doesn't matter which one. I am going to use the x + y = 3 equation

x -2 = 3

x = 5

Answer:

The dependent variable is the total cost "t"

Explanation:

The given equation is:

3n + 10 = t

where n is the number of yards and t is the total cost

We have two variables in this equation, n and t

We know that the total cost "t" will depend on the number of yards of fabric she buys

This means that the total cost will change by changing the number of yards bought

For example:

If she bought 1 yard: t = 10 + 3(1) = $13

If she bought 3 yards: t = 10 + 3(3) = $19

Therefore, the total cost "t" depends on the number of yards which means that "t" is the dependent variable in the equation

Hope this helps :)

Answer:

C. Money market

Best regards

Final answer:

Venture capital is money loaned for the purpose of earning a share of the profits in startups or small businesses. Venture capitalists provide funds in exchange for equity in the company.

Explanation:

Venture capital is money loaned for the purpose of earning a share of the profits. It is a form of financing for startups or small businesses that have potential for high growth. Venture capitalists provide funds to these companies in exchange for equity, or ownership stake, in the company.

For example, let's say a student wants to start a tech company but doesn't have the funds to do so. They approach a venture capitalist who believes in their idea and is willing to invest money in their company. In return, the venture capitalist will receive a portion of the company's profits.

So, the correct answer is D. Venture capital.

Answer:

  c. 30.9 °C; 32.9 °C

Step-by-step explanation:

Put the given numbers into the given formula and do the arithmetic.

(a) The temperature of sample 1 is ...

  y = (100 -24)e^(-0.12·20) + 24 ≈ 30.9

___

(b) The temperature of sample 2 is ...

  y = (100 -4)e^(-0.12·10) +4 ≈ 32.9

Hey nice job up there. Well thought out answer.

Height = SQRT(30^2 - 8^2)

Height = SQRT(900-64)

Height = SQRT(836)

Height = 28.9 feet

Answer:

-2

Step-by-step explanation:

log3 (1/9)

Replace 1/9 with a power of 3

1/9 = 3^-2

log3 (3^-2)

Using the power of power rule  loga (b^c) = c log a(b)

-2 log3(3)

We know that loga(a) =1

-2 (1)

-2

let's say hight of tree is x.

from figure attached , using trigonometry we can say

tan 37 = x / 26

multiplying by 26 both side

tan 37 × 26 = x/26 × 26

tan 37× 26 = x

putting value of tan 37

x = tan 37 × 26 = 0.7535 × 26

x = 19.592 meters

47,448/12=$3954

As, 28/36 rule states that maximum of 28% of your monthly expenditure should be spent on housing finances.

0.28*3954=$1107,12

Answer: $1107.

Answer:

its b . 24.5

Step-by-step explanation:

Answer:

24.5

Step-by-step explanation:

I got your answer right my guy X=12

Answer:

$4.

Step-by-step explanation:

20x20%= 4.

Answer:

d. [tex]x=1,4,\:or\:7[/tex]

Step-by-step explanation:

The given equation is

[tex]x^3-12x^2+39x-28=0[/tex]

To find all real solutions using the x-intercept method, we to graph the corresponding function using a graphing tool.

The corresponding function is;

[tex]f(x)=x^3-12x^2+39x-28[/tex]

The real solutions to [tex]x^3-12x^2+39x-28=0[/tex], are the x-intercepts of the graph of the corresponding function.

From the graph the x-intercepts are

(1,0),(4,0) and (7,0).

Therefore the real solutions are

[tex]x=1,4,\:or\:7[/tex]

Answer:A translation then rotation then reflection

Step-by-step explanation:

In the context of the Side-Side-Side (SSS) theorem in geometry, the rigid transformations referred to are typically translation, rotation, and reflection. By strategically applying these transformations, one can map one triangle onto another, thereby demonstrating their congruence according to the SSS theorem.

Rigid transformations in the context of geometry often refer to transformations that preserve the shape and size of geometric figures. The characterization quoted as 'SSS proof' likely refers to the Side-Side-Side congruence theorem in geometry, which states that if the three sides of one triangle are congruent to three sides of another triangle, then the two triangles are congruent. This congruence can be proven through certain rigid transformations, most commonly, translation, rotation and reflection.

In the case of the SSS proof, one or a combination of these three transformations can be used to map one triangle onto another. For example, you can translate one triangle so that a vertex matches a corresponding vertex on the other triangle. Then rotate the translated triangle if necessary so that one side matches the direction of the corresponding side on another triangle, this is rotation. Finally, if the triangle is flipped relative to the other one, reflect along the appropriate axis to match the final side. Again, this is the most common example and sometimes you may need to combine the transformations.

The inquiry about Einstein's postulate and other references seems unrelated to rigid transformations in Geometry and the SSS proof specifically.

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Answer:

18%

Step-by-step explanation:

18% is the percent increase in tuition fees.

A value or ratio that may be stated as a fraction of 100 is referred to as a percentage in mathematics. If we need to compute a percentage of a number, we should divide it by its whole and then multiply it by 100. The proportion, therefore, refers to a component per hundred. Per 100 is what the term percent signifies. The letter "%" stands for it.

Given, The tuition at a college increased from 50,000 in 2006 to 59,000 in 2007.

From the general formula of percentage change,

percentage change = change in value/original value * 100

In our case,

original value = 50,000

change in value = 59,000 - 50,000

change in value = 9,000

thus,

Percentage change = 9,000/50,000 *100

Percentage change = 18%

Therefore,  the percent increase in tuition fees is 18%.

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Answer:

f(x) = -|x - 3| + 2.

Step-by-step explanation:

f(x) = |x| is shaped like a V and the vertex is at (0, 0). f(x) = -|x| is  a reflection  in the x-axis so will be an inverted V , opening down. f(x) = - |x - 3|  will be the  -|x| moved 3 units to the right with the vertex at (3, 0). To bring the vertex  to (3, 2)   it will move upwards 2 units.

So it is f(x) = -|x - 3| + 2.

f(x)=-|x-3|+2

Negative before the abs value inverts the graph and it moves right 3 and up 2

233÷11=21.18

for a total of 22 pieces of wood

Answer:

Kayla is correct; the center is a fixed point in the middle of the sphere.

Answer:

Kayla is correct; the center is a fixed point in the middle of the sphere

Step-by-step explanation:

To understand the solution we need to understand what a sphere is.

What is Sphere?

Sphere is a 3 dimensional solid where every point is equidistant from the center.

Center is the point in the middle

radius is the line joining any point on the surface to the center of the sphere

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Answer:

14.04°

Step-by-step explanation:

In this right triangle, we're seeking the measurement of an angle at the base of the triangle and we have the measurements of two of the sides (none are the hypotenuse) : the opposite one of the angle and the adjacent side.

The relationship between the two sides we have the measurement and the angle we are looking for is the tangent:

[tex]tan(\alpha) = \frac{a}{b} = \frac{5}{20} = 0.25[/tex]

To find the angle we do an arctan on 0.25 and we get an angle of 14.04 degrees.

Answer:

14.04

Step-by-step explanation:

i took the test

Answer:

Dina's friend is jealous of Dina's confidence so she wanted to "what up" her :)

Step-by-step explanation:

See the attached pictures for the answers.

1/6 because 1/3 of 1/2 is 1/6

This is through multiplication and division.

Remember your order of operations!

Answer: 6.3

Good luck!

-RxL

Answer:

The answer is 6.3

Step-by-step explanation:

14 x 90 divided by 200 = 14*90/200

= 7*9/10

= 6.3

Answer:

13

Step-by-step explanation:

The 4 consecutive odd numbers that have a sum of 40 are 13, 11, 9, 7. 13 is the greatest of these numbers.

Hope this helps

Answer:

A) F or G = {5, 6, 7, 8, 9, 10, 11, 12}; B) P(F or G) = 8/12 = 0.667

Step-by-step explanation:

The outcomes in event F are 5, 6, 7, 8 and 9.  The outcomes in event G are 9, 10, 11 and 12.  This means that the event F or G, containing all elements of both events, will be

{5, 6, 7, 8, 9, 10, 11, 12}.  Note that we do not count 9 twice; it only appears in the sample space once.  There are 8 elements out of 12 total in the sample space; this means the probability is 8/12 = 0.667.

Using the addition rule, we begin with P(F).  There are 5 elements in this event; this makes P(F) = 5/12.  

For P(G), there are 4 elements in G; this makes P(G) = 4/12.

To add them, we add P(F) and P(G) but then must take out the element counted twice; this gives us

5/12+4/12-1/12 = 9/12-1/12 = 8/12 = 0.667.

We have that

From the question we are told

a)

Generally

The P(F or G) by counting the number of outcomes in F or G is

F&G={5, 6, 7, 8, 9, 10, 11, 12}

b)

P(F or G) using the general addition rule

[tex]P(FG)=\frac{N_f}{N_g}\\\\P(FG)=\frac{8}{12}[/tex]

[tex]P(FG)=0.667[/tex]

c)

Generally Using addition Rue to attain P(F or G) we have

For P(F or G)

[tex]P(F or G)=PF+PG-P(F+G)[/tex]

[tex]P(F or G)=5/12+4/12-(1/12)\\\\ P(F or G)=5/12+1/4\\\\ P(F or G)=\frac{8}{12}[/tex]

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Answer: [tex]\frac{1}{4}=2^{(-2)}[/tex]

Step-by-step explanation:

You know that an expression written is logarithmic form is:

[tex]x=log_b(y)[/tex]

And an expression equivalent to the expression above that is written in exponential form is:

[tex]y=b^x[/tex]

Therefore, keeping the information above on mind, you have that an equivalent exponential equation for [tex]log_{2}(\frac{1}{4}) =-2[/tex] , is the shown below:

[tex]\frac{1}{4}=2^{(-2)}[/tex]

Answer:

[tex]\frac{1}{4} =2^{-2}[/tex]

Step-by-step explanation:

We are given the following expression and we are to write an equivalent exponential equation for it:

[tex] log_2 (\frac { 1 } { 4 } ) = - 2 [/tex]

We know that the standard form of a logarithmic expression is given by:

[tex] y = log_a ( x ) [/tex]

which is equivalent to the exponential form [tex] x = a ^ y [/tex].

Therefore, for the given expression, the equivalent exponential equation will be:

[tex] \frac { 1 } { 4 } = 2 ^ { - 2 } [/tex]