Which of the following equations has an axis of symmetry with the equation x = 3?
y=x² + 6x-3
y= 2x² + 6x-3
y=x² - 6x +3
y=3x² + 6x-3

If the jeans aren't bought at all, or as much as the other brands, then the store owners would have no choice but to lower prices. It's either that option or they would return the merchandise (if possible) or simply throw away the jeans. Setting the right price is more or less trial and error. There are mathematical ways to make an educated guess, but to be fair, there are a lot of factors in play that make trial and error more effective.

For example, if the jeans start at $100 and no one buys them for a week, then the owner may reduce the cost to $75 and see if the 25% discount is effective or not. If people buy, then the price may stay there. If not, then the price may come down even further. The process is continued indefinitely. On the flip side, if demand skyrockets, then prices would likely go up.

the price of the jeans is likely to be affected by the low demand resulting from the high cost.

Based on the given information, it can be inferred that the price of the jeans is not aligned with the market demand due to its high cost relative to other brands. In this scenario, several outcomes are possible:

1. Decrease in Price: If the jeans are not selling well due to their high cost, the brand might experience a decrease in demand. To stimulate sales, the brand may need to lower the price of the jeans to make them more affordable and competitive. This price adjustment aims to attract customers who were previously deterred by the high cost.

2. No Change in Price: The brand may choose to maintain the current price despite the low demand. This decision can stem from factors such as maintaining the brand image or relying on a niche market that is willing to pay a premium for the product. However, in such a situation, the brand may need to focus on marketing and branding efforts to emphasize the unique qualities or benefits of the jeans to justify their higher price.

3. Increase in Price: It is less likely that the brand would increase the price of the jeans if they are not selling well due to their high cost. Increasing the price further would likely deter even more customers and exacerbate the issue. However, if the brand has a particularly strong brand image or a highly loyal customer base that is willing to pay a premium, a price increase may be feasible in rare cases.

In summary, the price of the jeans is likely to be affected by the low demand resulting from the high cost. The brand may choose to decrease the price to boost sales or maintain the current price while focusing on marketing efforts to highlight the unique value proposition of the jeans. An increase in price is less probable given the low demand.

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The ladder with a length of 20 feet makes 19.4° with the ground.

Length of the ladder = 20 feet

Distance of base of the ladder from the wall = 5 feet

The cosine of an angle is the ratio of the adjacent side(to that angle) to the hypotenuse of the right triangle.

Suppose the ladder makes \(0\) from the ground.

So, \(Cos0=\frac{5}{20}\)

\(Cos0=\frac{1}{4}\)

\(0=Cos^{-1}(\frac{1}{4})\)

\(0=Cos^{-1}0.3\)

\(0=19.4\)°

Thus, the ladder makes 19.4° with the ground.

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The standard deviation for the given probability distribution is;

σₓ = $6

The image for the probability distribution is missing and so i have attached it.

We are given;

Expected Value which is the mean as;

µₓ = $6

Now, from the probability distribution table attached, we can find the mean (expected value) of a discrete random variable X from;

Variance(X) = (-12 - 6)²(0.1) + (8 - 6)²(0.9) = 36

Thus, standard deviation of the random X is;

σₓ = √36

σₓ = $6

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Answer:

Notebook $1.8

Pen $0.3

Explanation:

Let's call x the cost of one notebook and y the cost of one pen.

If John spent $10.80 on 5 notebooks and 6 pens, we can write the following equation:

5x + 6y = 10.80

In the same way, if Arena spent $8.40 on 4 notebooks and 4 pens, we get:

4x + 4y = 8.40

Now, we have the following system of equations:

5x + 6y = 10.80

4x + 4y = 8.40

Solving the second equation for y:

4x + 4y = 8.40

4x + 4y - 4x = 8.40 - 4x

4y = 8.40 - 4x

4y/4 = 8.40/4 - 4x/4

y = 2.1 - x

Then, substitute y = 2.1 - x on the first equation:

5x + 6y = 10.80

5x + 6(2.1 - x) = 10.80

Solve for x:

5x + 6(2.1) - 6(x) = 10.80

5x + 12.6 - 6x = 10.80

-x + 12.6 = 10.80

-x + 12.6 - 12.6 = 10.80 - 12.6

-x = -1.8

x = 1.8

Now, using the value of x, we get:

y = 2.1 - x

y = 2.1 - 1.8

y = 0.3

So, the cost of one notebook is $1.8 and the cost of one pen is $0.3

Answer:

Step-by-step explanation:

The second set. It contains (2,2) and (2,7), so it fails the vertical-line test.

Answer:

---------------

We are given that:

Find the value of y by substituting the given values into formula:

Here is your answer

Hope this helps

Answer:

C

Step-by-step explanation:

To sum matrices they have to be of the same proportions

and we sum the corresponding

so we have

\(1)-3x_1+7=10\\\\-3x_1=3\\\\x_1=-1\\\\\\2)-3x_2+0=0\\\\-3x_2=0\\\\x_2=0\\\\\\3)-3x_3-1=8\\\\-3x_3=9\\\\x_3=-3\\\\\\4)-3x_4+2=-19\\\\-3x_4=-21\\\\x_4=7\\\\\\5)-3x_5-3=-18\\\\-3x_5=-15\\\\x_5=5\\\\\\6)-3x_6+4=10\\\\-3x_6=6\\\\x_6=-2\)

so the answer is C

I cannot write a matrix but there you have the values

x_1     x_2    x_3

x_4    x_5    x_6

Answer:

d. x = 7

Step-by-step explanation:

\(\frac{32}{8} = \frac{28}{x}\)

Cross multiply, the denominator "8" is multiplied by numerator "28", while the numerator "32" is multiplied by denominator "x":

8 * 28 = 224

32 * x = 32x

\(32x = 224\)

Divide both sides by 32:

\(\frac{32}{32} = \frac{224}{32}\)

[x = 7]

Answer:

its 0.4

Step-by-step explanation:

The Mass of Object A is 10 times the Mass of Object B.

We have -

We have to find by how many times the mass of object A is larger than the mass of object B.

Consider the following -

Suppose that the mass of body \(B_{1}\) is \(n\\\) times the mass of body \(B_{2}\). We can write this statement mathematically as -

                                                  \(M_{1} \;=\;n\; M_{2}\)

We can use the above equation to compare the mass of Object A and Object B. According to the question -

                                                 \(M_{A}\;=\;n\;M_{B}\)

                                           \(4\) × \(10^{-3}\) = \(n\) × (\(4\) × \(10^{-4}\))

On solving, we get -

                                                        \(n=10\)

Hence, the mass of object A is 10 times the mass of object B.

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Answer:

  $28

Step-by-step explanation:

Each round trip will be double the price of a one-way trip, so will be ...

  2 × $3.50 = $7.00

Diego and his 3 friends will require a total of 4 round-trip tickets for a cost of ...

  4 × $7.00 = $28.00

Answer:

Add 6 to both sides

Step-by-step explanation:

The (usual) first thing to do when solving any equation is to simplify both sides of the equation. However, since we have nothing to simplify, we move onto the next step that'll be the first step: isolating the variable, x. To do so, we must do the inverse of subtracting 6 (which is adding 6).

Answer:

Categorical variable

Step-by-step explanation:

An ordinal variable is a categorical variable for which the possible values are ordered. Please mark me as brainliest.

The two solutions of the equation:

(6x - 12)/3 + 4 = 18/x

Are x = 3 and x = -3

Here we have the following equation:

(6x - 12)/3 + 4 = 18/x

Notice that in the right side we have x on a denominator, then x can not be zero, so x ≠ 0.

Now, let's start by simplifying the left side:

(6x - 12)/3+  4 = 18/x

2x - 4 + 4 = 18/x

2x = 18/x

Now we can multiply both sides by x so we get:

2x^2 = 18

Now divide both sides by 2:

x^2 = 18/2

x^2 = 9

Finally, apply the square root in both sides:

√x^2 = ±√9

x = ±3

The two solutions are x = 3 and x = -3

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Answer:

There was a vertical shift by 5 units upwards

Explanation:

Here, we want to compare the two given graphs

As we can see, the difference here is that 5 is added to the first function

What this simply means is that there is a vertical shift by 5 units

Hence we can conclude that the first function was vertically shifted by 5 units upwards to arrive at the second function

Answer:

1

Step-by-step explanation:

1 ×5-6=-1 Define this stuff is really easy are you going to do is look at all the options that they have there for our and fill in for our or whichever one works will equal to -1 so in this case the one that works is -1 Sol is think about it all you got to do is just fill it in like they give an example ours and they gave us a question or sequel to one just put one size 5 - 6 is equal to -1 -1 is what you trying to get

Answer:

a.) 11:8

b.) 3:11

Step-by-step explanation:

a)

Add all marbles

8 + 3 = 11

Blue marbles = 8

So, the ratio will be 11:8

b)

Red marbles = 3

All marbles = 11

So, the ratio will be 3:11

Hope this helps.

Answer:

Step-by-step explanation:

Therefore, the number of sides in this certain regular polygon is 10.

In a certain regular polygon, the measure of each interior angle is four times the measure of each exterior angle. This means that the interior angle and the exterior angle are supplementary, or add up to 180 degrees. We can use this information to create an equation and solve for the number of sides in the regular polygon.

Let x be the measure of the exterior angle and 4x be the measure of the interior angle. Then we have:

x + 4x = 180

5x = 180

x = 36

Now, we know that the sum of the exterior angles in a regular polygon is always 360 degrees. So we can use this information to find the number of sides:

360/x = 360/36 = 10

Therefore, the number of sides in this certain regular polygon is 10.

Answer: 10.

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The solution of given system of equations is (1/5, 6).

What is system of equation?

A set or group of equations that you solve all at once is referred to as a "system" of equations. The simplest linear system is one with two equations and two variables. Linear equations are simpler than non-linear equations because they graph as straight lines.

Given equations : 5x+y=7

                             20x+2=y

We can solve it by using substitution method:

Now, we have 5x+y=7

it can be written as,

         y = 7 - 5x .... equation 1

Similarly, we have 20x+2=y

can be written as,

           y = 20x+2 ..... equation 2

Subtracting equation 1 from equation 2

we get,  20x+2 - ( 7 - 5x ) = 0

             20x + 5x + 2 - 7 = 0

             25x = 5

               x = 1/5

Putting x=1/5 in equation 1,

we get, y = 20 × 1/5 + 2

               = 4 +2

               = 6

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Answer:

12

Step-by-step explanation:

6x3-6=12

Answer:

12 customers

Step-by-step explanation:

6*3=18

18-6=12

So, there were 12 customers

:)

Answer:

F(-x) = 0

Step-by-step explanation:

What is F(-x)?

F(-x) = F(-1)

F(x) = x³ + 1                              F(-1)

F(-1) = -1³ + 1

F(-1) = -1 + 1

F(-1) = 0

So, F(-x) = 0

Answer:

f(-1) = 0

Step-by-step explanation:

Evaluating a function for f(-x) is the same as evaluating it for f(-1).

So we plug in -1 instead.

f(-1) = x³ + 1  

      = (-1)³ + 1 (here we cube -1)

      = -1 + 1     (here we subtract)

      = 0           (and, this is the answer)

\(\therefore\) The answer is f(-1) = 0

Answer:

the probability is 3/75.

Answer:

your answer will be

1 -y is a variable

3- y is a term

4 -9 is a constant

6- 9 is a term

Step-by-step explanation:

if i'm wrong please correct me i hope i helped though

Answer:

The answer is y=-1 (answer is C).

The frog was jumping at 3.6 feet per second

An equation is an expression that shows how two or more numbers and variables are related to each other. Types of equations can either be linear, quadratic or cubic

The unit rate can be defined as the ratio of two quantities. It is a ratio that has a denominator equal to one.

A frog jumps 9 3/5 feet (48/5) in the span of 2 2/3 (8/3) seconds

The unit rate = Total distance jumped / total time

Unit rate = (48/5) feet / (8/3) seconds = 3.6 feet per second

The unit rate is 3.6 feet per second

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The value of u is 2 in the given right-angled triangle.

The given figure is a right-angled triangle with hypotenuse 'u' and the other two sides as \(\sqrt{2}\) and v.

We have to find the value of 'u' using Pythagoras theorem or trigonometric identities.

It states that the square of the hypotenuse is equal to the sum of the squares of the other two sides.

In a right-angled triangle ABC, if

BC = hypotenuse

AC and AB are the other two sides then,

\(BC^2 = AC^2 + AB^2\).

For this problem, we can find the value of u by using trigonometric identities.

From the figure, we have an angle of 45°.

Consider Cos 45°.

Cos Ф = base / hypotenuse

Cos 45° = \(\sqrt{2}\) / u ...........(1)

From trigonometric identities of cosine.

We have,

Cos 45° = 1 / \(\sqrt{2}\)............(2)

From (1) and (2)

We get,

1 / \(\sqrt{2}\) = \(\sqrt{2}\) / u

u = 2.

Thus the value of u is 2 in the given right-angled triangle.

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Answer:

130

Step-by-step explanation:

X is the alternate corresponding angle to 50.   50+y=180

y=130

x and y = the  same thing so 130 is the value of x

Answer:

The simplest (and most commonly used) area calculations are for squares and rectangles. To find the area of a rectangle, multiply its height by its width. For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself to find the area.

Step-by-step explanation: