Help! I'm confused!​

The proportional relationship is represented by the formula, y = kx, which demonstrates that y increases at the same rate as x does

Relationships between two variables that are proportional occur when their ratios are equal.

Therefore the proportional relationship is represented by the formula,

y = kx .

To learn more about proportional relationship visit:

https://brainly.com/question/12917806

#SPJ1

We have the following:

therefore:

RST:

therefore RST is 155°

Answer

37

Step by Step explanation

replace x with -7

which gives

-(-7)^2-10(-7)+16

= 37

\(\large\bf{\underline{Given :}}\)

__________________________________________

\(\large\bf{\underline{To\:find :}}\)

__________________________________________

\(\large\bf{\underline{Cost\:of\:11\:shirts }}\)

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎\( = 11 \times 15.65\)

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎\( = 172.15\)

\(\large\bf{\underline{Therefore}}\)

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎\(⟹11 \: shirts \: + \: 24 \: ties \: = 403.51\)

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎\(⟹172 + 24 \: ties = 403.51\)

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎\(⟹24 \: ties = 403.51 - 172.15\)

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎\(⟹24 \: ties = 231.36\)

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎\(⟹1 \: tie \: = \frac{231.36}{24} \)

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎\(⟹1 \: tie = 9.64\)

\(\large\bf{\underline{Hence\:cost\:of\:a\:tie}}\)

\(\huge\bf{= £9.64}\)

In the equation

The slope is m = -5x

Y-intercep is b = (0,4)

The answer would be A

The slope is -5.

The y-intercept is (0,4).

Yes , it is true that two pairs of adjacent sides of a kite are equal .

A quadrilateral with two pairs of adjacent sides equal in length is called a kite. Kites also have one pair of opposite angle equal as shown in the figure below.

Hence , the given statement is true .

​Learn more about kite here :

https://brainly.com/question/23279609

#SPJ9

Answer:

  $225

Step-by-step explanation:

When Mary pays the cost in 12 equal payments, each is 1/12 of the total amount.

__

  1/12 × $2700 = $225

Mary will have to pay $225 each month.

Answer: Infinite number of solutions

Step-by-step explanation: The graph has arrows at the end indicating it will go to infinity.

Answer:

Yes the conclusion in the question  is a reasonable conclusion

Step-by-step explanation:

From the question we are told that

    The sample size is  \(n_1 = n_2 = n = 250\)

     The sample mean for USA is  \(\= x_1 = 391 \ minutes\)

     The sample mean for Mexico is \(\= x_2 = 426 \ minutes\)

     The sample standard deviation for USA is  \(s_1 = 25 \ minutes\)

    The sample standard deviation for Mexico is  \(s_2 = 49 \ minutes\)

The null hypothesis is  \(H_o : \mu_1 = \mu_2\)

The alternative hypothesis is  \(H_a : \mu_1 < \mu_2\)

Generally the test statistics is mathematically represented as

        \(z = \frac{\= x_1 - \= x_2 }{ \sqrt{ \frac{s_1^2}{n_1} + \frac{s_2^2}{n_2 } } }\)

=>     \(z = \frac{ 391 - 426 }{ \sqrt{ \frac{25^2}{250} + \frac{49^2}{250} } }\)

=>     \(z = -10\)

From the z table  the area under the normal curve to the left corresponding to   -10  is

    \(p-value = P(Z < -10 ) = 0.00\)

Generally from the value obtained we see that

  The p-value is  <  \(\alpha\)  hence

The decision rule is

Reject the null hypothesis

The conclusion is  

 The is sufficient evidence to conclude that adults in the United States get less sleep on work nights than adults in Mexico

Hence the conclusion in the question is a  reasonable conclusion

The p-value is less than \(\alpha\) hence reject the null hypothesis. This is sufficient evidence to conclude that adults in the United States get less sleep on work nights than adults in Mexico and hence it is a reasonable conclusion given in the problem.

Given :

According to the given data the sample size of the US and Mexico is \(\rm n_1=n_2=250\).

The hypothesis are as follows:

Null Hypothesis is \(\rm H_0 : \mu_1=\mu_2\)

Alternate Hypothesis is \(\rm H_1 : \mu_1<\mu_2\)

Now, the mathematical representation of test statistics is:

\(\rm z = \dfrac{\bar{x_1}-\bar{x_2}}{\sqrt{\dfrac{\sigma^2_1}{n_1}+\dfrac{\sigma^2_2}{n_2}} }\)

\(\rm z = \dfrac{391-496}{\sqrt{\dfrac{25^2}{250}+\dfrac{49^2}{250}} }\)

z = -10

According to the z-table:

p - value = p (Z < -10) = 0

The p-value is less than \(\alpha\) hence reject the null hypothesis.

This is sufficient evidence to conclude that adults in the United States get less sleep on work nights than adults in Mexico and hence it is a reasonable conclusion given in the problem.

For more information, refer to the link given below:

https://brainly.com/question/23044118

The length of each side of the square is 16 cm, the perimeter is 64 cm, and the area is 256 cm^2.

Let's solve the problem step by step. We have a square ABCD, and we need to find the length of its sides when the diagonal is 16√2 cm long.

In a square, the diagonal forms a right triangle with the sides. The sides of a square are equal in length, so let's assume the length of one side of the square is 'x' cm.

Using the Pythagorean theorem, we can find the relationship between the side length and the diagonal:

x^2 + x^2 = (16√2)^2

2x^2 = 512

Dividing both sides by 2, we have:

x^2 = 256

Taking the square root of both sides:

x = √256

x = 16 cm

So, the length of each side of the square is 16 cm.

To find the perimeter of the square, we simply multiply the length of one side by 4 since all sides are equal:

Perimeter = 4 * 16 cm = 64 cm

To find the area of the square, we square the length of one side:

Area = (16 cm)^2 = 256 cm^2

For more such question on perimeter. visit :

https://brainly.com/question/19819849

#SPJ8

Note the complete question is:

Find the length of side of square ABCD when diagonal is 16√2 cm long. Also find the perimeter and area of the square?

So we have a table that tells us how fast can Julia run a mile each year. First we need to see if the time it takes her to run a mile increases, decreases or stay the same over the years. The times it take her to run a mile are:

As you can see the time get lower every year. For every year the time is lower than that of the year before. Then the answer to the first menu is decreases.

Now let's talk about inductive and deductive reasoning. Deductive reasoning is making an inference based on widely accepted facts or premises so basically it's based in facts, properties and rules of logic. Inductive reasoning on the other hand is making an inference based on an observation, often a sample. This means it is based in specific cases.

So the data we have comes from observation. We also only have the data of 5 years, not for the entire life of Julia. Then we are making an inference based on a sample. This means that the answer to the second menu is inductive and for the third menu is specific cases.

9514 1404 393

Answer:

Step-by-step explanation:

Let n represent the number of necklaces Rosaria ordered. Then the total cost of the order is ...

  10(120 -n) +11(n) = 1270

  n = 70 . . . . . . . . . . . . . simplify, subtract 1200

  120 -70 = 50 . . . . . . . the number of bracelets

Rosaria purchased 70 necklaces and 50 bracelets.

The diver can go 44.11 feet deep without having to resort to use of the artificial light .

The intensity function L(x) satisfy the differential equation : dL/dx = -kL  ;

On solving the differential equation by Integrating both sides, we get:

⇒ln |L| = -kx + C ; where C is the constant of integration.

Taking exponential of both sides,

we have ;

⇒ |L| = \(e^{-kx+C}\) = \(e^{C}\times e^{-kx}\) ;

⇒ L = \(Ce^{-kx}\) ;  where C is a constant of integration.

We know that when x = 19, the intensity (L) is halved. That means :

⇒ L(19) = (1/2)L(0)

Substituting L = \(Ce^{-kx}\)  into this equation, we get:

⇒ \(Ce^{-k\times19} = (\frac{1}{2} )Ce^{0}\)

Simplifying further , we get ;

⇒ \(e^{-19k} = \frac{1}{2}\) ;

Taking natural log(ln) on both sides,

⇒ -19k = ln(1/2)

⇒ k = ln(2)/(19)    ....equation(1)

We also know that the diver must stop diving when L = (1/5)L(0).

Which means :

⇒ L(x) = (1/5)L(0)

Substituting L = \(Ce^{-kx}\) into this equation, we get:

⇒ \(Cx^{-kx} = (\frac{1}{5}) C\)  ;

⇒ \(e^{-kx}\) = 1/5 ;

Taking natural log(ln) on both sides,

⇒ -kx = ln(1/5)

⇒ x = -ln(1/5)/k

Substituting k = ln(2)/(19)  from equation(1) , we get:

⇒ x = [19×ln(5)]/ln(2) .

⇒ x = 44.11 feet  .

Therefore, the diver can go approximately 44.11 feet deep .

Learn more about Differential Function here

https://brainly.com/question/28099315

#SPJ4

Answer:

8 units

Step-by-step explanation:

Area of square:

length * width

2 * 3

= 6  units

Area of triangle:

1/2 * base * height

1/2 * 2 * 2

= 2 units

Area of entire shape:

6 + 2

= 8 units

So, the area of the shape is 8 units.

If this answer helped you, please leave a thanks!

Have a GREAT day!!!

Each letter should be matched to its correct term as follows;

1. A ⇔ Efficiency.

2. B ⇔ Impossible.

3. C ⇔ Inefficiency.

In Economics and Mathematics, a production possibilities curve (PPC) can be defined as a type of graph that is typically used for illustrating the maximum and best combinations of two (2) products that can be produced by a producer (manufacturer) in an economy, if they both depend on the following two (2) factors;

Based on the production possibilities curve shown in the image attached above, we can reasonably infer and logically deduce that each of the letters represent the following terminologies;

Read more on production possibilities here: brainly.com/question/26460726

#SPJ1

Answer:

The Salesperson age after performing each of the correlation and regression analyses in the prior questions shows that:

Even if a correlation is substantial, you don't know for sure until you measure it in a regression model with several other relevant variables.

Step-by-step explanation:

The simple difference between correlation and causation is that a correlation measures the linear relationship between two variables, while causation is a statistical measure that establishes that one event or variable is the cause of another event or variable.  With correlation established, one needs to study the strength of the relationship through a regression analysis before concluding on how one variable affects another variable.

First rearrange and solve for sqrt of 25(which is 5)

ƒ(x)= -x^2-5

range: y\(\le\)5

domain: x x=can be anything because all values are defined

Answer:

0 and 8.

Step-by-step explanation:

n^2+8n=0

n(-n+8)=0

-n=-8 or n=8 and n=0.

Answer:

x=100 degree's

Step-by-step explanation:

Its 100 degrees because you add 80 and 20 degrees and because I think they might be called congruent angles.

Answer:

pretty sure it's just 100, just add 80 and 20, angles are opposite of each other.

Answer:

\((-\infty,2)\)

Step-by-step explanation:

Since \(-3x+6\nless 0\), then \(x\ngtr 2\), therefore, the domain of the function is \((-\infty,2)\).

Answer:

\(2 \frac{2}{3} \)

Answer:

9 Pizzas

Step-by-step explanation:

Answer:

Step-by-step explanation:

At least 9 means more than 9 and includes 9

x ≥ 9     and    [9,  +∞)

At most 9 means numbers less than 9

x≤9       and  (-∞, 9]

more than 9 means bigger than 9 but not including 9

x > 9     and    (9,  +∞)

fewer than 9 means less than 9 but not including 9

x<9       and  (-∞, 9)

strictly between 7 and 9   means between 7 and 9 but not including

7<x<9      and    (7,9)       (This is the only one I'm unsure of.  Strictly, not sure if it includes or doesn't include, usually it just says include or doesn't include)

between 7 and 7 inclusive.   means it's just =7  There's no boundaries

x=7

no more than 7 means less than 7 and includes 7

x ≤ 7   and   (-∞, 7]

The area of ΔEFG is approximately 916 square centimeters.

Given that,

In ΔEFG

f = 88 cm ,

g = 18 cm

∠E=68°

To find the area of ΔEFG,

Use the formula:

Area = (1/2)xfxgxsin(∠E)

First, we need to convert the angle from degrees to radians.

We can do this by multiplying by π/180.

∠E = 68° * π/180 ≈ 1.19 radians

Next, we can plug in the values we have:

Area = (1/2)x88x18xsin(1.19)

        ≈ 915.56 cm²

Rounding this to the nearest square centimeter,

we get,

Area ≈ 916 cm²

Learn more about the triangle visit;

brainly.com/question/1058720

#SPJ1

Answer:

254

:D :D :D :D

2 units left 5 units up HOPE IT HELPS

The probability of landing on the dark blue target is 2/5.

Probability is the ratio of required to the total possible outcomes of an event.

P(dark blue ) = 40/100

divide through by 20

P(dark blue ) = 2/5

Therefore, the probability of landing on target is 2/5

Learn more on probability:https://brainly.com/question/24756209

#SPJ1

Answer:

How about crust

Step-by-step explanation: