Please answer correctly !!!!!!!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!!!!!!

Answer:

$94.05

Step-by-step explanation:

Original price of jeans=$95

Discount=10%

New price=(100% - 10%) of $95

=90% × 95

=90/100 × 95

=0.9 × 95

=$85.5

Sales tax of 10%

10% of the new price

=10/100 × 85.5

=0.1 × 85.5

=$8.55

Sales tax =$8.55

Total amount paid for the jeans= sales tax + new tax

=$8.55 + $85.5

=$94.05

Answer:

B. False

Step-by-step explanation:

5x² - 6x + 4 | 5 × 4 = 20

Can't factor it normally

           √b² - 4ac

 -b  ±   ---------------

                2a

           √(-6)² - 4(5)(4)

 -(-6)  ±   ---------------

                   2(5)

           √36 - 80

 6  ±   ---------------

                 10

    6 ± √-44

  ---------------

         10

    6 ± √-4 × 11

  ---------------

         10

    6 ± 2i√11

  ---------------

         10

The answer is actually

    3 ± i√11

  ---------------

         5

I hope this helps!

Answer:

  B.  False

Step-by-step explanation:

You want to know if (x -2) is a factor of 5x² -6x +4.

There are a couple of ways you can determine whether (x -2) is a factor. One is to look at the polynomial value at x=2:

  5x² -6x +4 = (5x -6)x +4 = (5(2) -6)(2) +4 = 4(2) +4 = 12

The value is not 0, so (x -2) is not a factor.

Another way to tell is to determine what the other factor would be.

The product of roots is the ratio c/a = 4/5 in the polynomial. If 2 is a root, then (4/5)/2 = 2/5 is the other root. That would mean the factorization of the polynomial is ...

  (5x -2)(x -2) = 5x² -12x +4 . . . . . . not the same polynomial

The polynomial 5x² -6x +4 does not have a factor (x -2).

The graph of the polynomial has no x-intercepts, so (x -2) cannot be a factor.

Answer:

-5/2

Step-by-step explanation:

If a carpenter cut the top section of a window frame with a 40º angle on each end. The side pieces each have a 50º angle cut at their top ends, as shown. Yes the side pieces of the frame will be parallel. How i know is that both side are equal or parallel.

The interior angles are the same in measure and the sum of the interior angles have to  be 180°.

The two side  pieces on both the right and left hand side are equal in measure. The sides can be parallel only if the sum of both side angles is equal to 180°

Hence,

One side of the interior angle=40º+50º

One side of the interior angle=90°

Both side of the interior angle=90°+90°

Both side of the interior angle=180°

Hence,

180°=180°, the sides are parallel

Therefore Yes the side pieces of the frame will be parallel. How i know is that both side are equal or parallel.

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By subtracting this from the dividend, the next step would be:

\((2x^4 - 3x^3 - 3x^2 + 7x - 3) - (-5x^3 + 10x^2 - 5x) = 2x^4 + 2x^3 - 13x^2 + 12x - 3\)

This error occurs because he forgets to distribute the -2 in \(-2(x^2 - 2x + 1)\)when subtracting from \(2x^4\). This leads to a mistake in the next step when he subtracts \(x^3 - 2x^2\) from \(x^3 - 5x^2\) to get \(-3x^2\)instead of \(-3x^2 + 6x\). This error then leads to the incorrect constant term in the quotient.

Therefore, the error Randy makes is a subtraction error in the first step of the long division. It is important to pay attention to signs and distribute coefficients correctly when performing long division with polynomials.

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Answer: A. x + 2

Step-by-step explanation:

Edge 2023

Answer:

x= 4 and y=7

Step-by-step explanation:

Bellow is the graph of the two systems, you can find the coordinates (4,7) were they intersect.

Because of this the two equations are true

7= 4+3 (True)

As both left side is same

There is no solutions .

Answer:

no solutions

Step-by-step explanation:

Given equations:

Rewrite the given equations to make y the subject:

Equation 1

\(-x+y=8\)

\(\implies y=x+8\)

Equation 2

\(2x-2y=-14\)

\(\implies 2y=2x+14\)

\(\implies y=x+7\)

Slope-intercept form of a linear equation:  \(y=mx+b\)

(where m is the slope and b is the y-intercept)

As both equations have the same slope, the lines are parallel and therefore there is no solution to the system of equations as the lines do not intersect.

Answer:

38

Step-by-step explanation:

:) hope this helps

Answer:

One solution only.

Step-by-step explanation:

2 ( 4x - 1 ) = -8x - 2

8x - 2 = -8x - 2

0 = 0

One solution only.

9514 1404 393

Answer:

  10 23/24 kg

Step-by-step explanation:

Subtract the numbers given away from the number Mrs. Roxas bought:

  20 -5 2/3 -3 3/8 = 20 -5 -3 -(2/3+3/8) = 12 -25/24 = 10 23/24

Mrs. Roxas has 10 23/24 kg of sweet mangoes left.

_____

Additional comment

Without worrying too much about "common denominator", you can always add fractions with the formula a/b +c/d = (ad +bc)/(bd). You can always reduce the sum, if necessary. Subtraction is just addition of a number that has a negative sign.

It is often convenient to deal separately with the integer and fractional parts when adding or subtracting mixed numbers.

According to the Question

Two buses started 2400 miles apart

They pass each other and they must have together to cover = 2400 miles

Now

Using Formula :-

Distance = Speed × Time

First bus ⇒ 5 × b = 5b

Second bus ⇒ 5(b + 60)

Now put in a Equation we get :-

5b + 5(b + 60) = 2400

5b + 5b + 300 = 2400

10b + 300 = 2400

10b = 2400 - 300

10b = 2100

b = 2100 / 10

b = 210

Hence :-

One bus speed is 210 miles

Another bus speed ⇒ 210 + 60 = 270 miles

Answer:

2

Step-by-step explanation:

x³ = 8

∛8 = 2

found by 2 • 2 • 2 = 4 • 2 = 8

Answer:

D. No certificate of ownership

The solution to the given separable differential equation for u, with the initial condition u(0) = 7.

To solve the separable differential equation for u, we start by rearranging the equation f as:

(1/u) du/dt = e^(3u)/u + 10t/u

We can now integrate both sides of the equation with respect to t and u, separately. Starting with the left-hand side, we have:

∫(1/u) du = ln|u| + C1

where C1 is the constant of integration. For the right-hand side, we can use u-substitution by letting v = 3u, dv/du = 3, and du/dv = 1/3u. Substituting these values into the equation f and simplifying, we have:

(1/3) ∫e^v dv = (1/3) e^v + C2

where C2 is another constant of integration. Substituting v = 3u back into the equation and combining the constants of integration, we get:

ln|u| = e^(3u)/3 + 10t/3 + C

where C = C1 + C2. To solve for u, we exponentiate both sides of the equation:

|u| = e^(e^(3u)/3 + 10t/3 + C)

We can drop the absolute value since u(0) = 7 > 0, and simplify the exponential expression by using the properties of exponents:

u = e^(e^(3u)/3) * e^(10t/3 + C)

Finally, we use the initial condition u(0) = 7 to solve for C:

7 = e^(e^(3(7))/3) * e^(10(0)/3 + C)
7 = e^(e^21/3) * e^C
ln(7/e^(e^21/3)) = C

Substituting this value of C back into the equation for u, we get:

u = e^(e^(3u)/3) * e^(10t/3 + ln(7/e^(e^21/3)))

This is the solution to the given separable differential equation for u, with the initial condition u(0) = 7.

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The population decreased by 5,400 people from 2015 to 2020.

Also known as population decline, means the reduction in a human population size

Population in 2015 = Population in 2010 + Growth from 2010 to 2015

Population in 2015 = 167,000 + (8% of 167,000)

Population in 2015 = 167,000 + 13,360

Population in 2015 = 180,360

Population in 2020 = Population in 2015 - Decrease from 2015 to 2020

Population in 2020 = 180,360 - (3% of 180,360)

Population in 2020 = 180,360 - 5,411.8

Population in 2020 = 174,948.2

The population decrease from 2015 to 2020 is:

= Population in 2015 - Population in 2020

= 180,360 - 174,948.2

= 5,411.8

= 5,400 to nearest 100 people.

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Answer:

im not sure but i think its a bargraph if the answer is coreect please tell

The correct statement is: The rate of change from 2 years to 4 years on the graph is 1.5 inches per year.

The rate of change in a linear function represents how the dependent variable (in this case, height) changes with respect to the independent variable (time). To find the rate of change in this scenario, we can calculate the slope of the line that goes through the given points (2, 3) and (4, 6).

The slope of a line is determined by the change in the y-values divided by the change in the x-values. In this case, the change in y is 6 - 3 = 3 inches, and the change in x is 4 - 2 = 2 years.

Therefore, the rate of change is 3 inches / 2 years = 1.5 inches per year. This means that for every additional year of growth, the plant's height increases by an average of 1.5 inches.

Now, let's analyze the given statements:

1. The rate of change of a linear function is always the same.

  This statement is true. In a linear function, the rate of change (slope) remains constant throughout the entire graph.

2. The rate of change of a linear function always increases as the input increases.

  This statement is not necessarily true. The rate of change can be positive or negative, depending on whether the line slopes upward or downward.

3. The rate of change from 2 years to 4 years on the graph is 1.5 inches per year.

  This statement is true. We calculated the rate of change to be 1.5 inches per year.

4. The rate of change from 0 years to 6 years on the graph is 1.5 inches per year.

  This statement is not necessarily true. The rate of change may vary depending on the specific section of the graph being considered. However, we only calculated the rate of change between 2 and 4 years, so we cannot determine the rate of change over a larger time frame based on this information.

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Answer:

There're too much possibilities of the answer.

Answer: It is a Rotation Angle 90 Degrees clockwise about the point (3,4)

Step-by-step explanation:

Mark the point (3,4) with your finger and turn your phone once to the right Your old shape is where your new shape your be now. That’s rotation.

Answer:

13.9 miles

Step-by-step explanation:

We know

A group of hikers walked 8 7/10 miles to caribou cave and then 5 1/5 miles to silver stream. How far did they walk altogether

8 7/10 = 87/10

5 1/5 = 26/5

87/10 + 26/5 = 87/10 + 52/10 = 139/10 = 13.9 miles

So, they walked 13.9 miles.

The probability that all the molecules of a gas consisting of 1 molecule will be found in one half of a container is 1 or 100%.

If a gas consists of only one molecule, then it will always be found in one half of the container. This is because there is no other molecule to interact with and no other half of the container to occupy. Therefore, the probability that all the molecules of a gas consisting of 1 molecule will be found in one half of a container is 1 or 100%.

However, this is not the case for gases consisting of more than one molecule. In fact, the probability of all the molecules being found in one half of a container is extremely low and depends on the number of molecules, the volume of the container, and the temperature and pressure of the gas.

This phenomenon is related to the concept of entropy and the tendency of systems to move towards a state of higher disorder. As the number of molecules in a gas increases, the probability of all the molecules being found in one half of a container decreases exponentially.

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Answer:

40 km/h

Step-by-step explanation:

PLz mark brainliest

16km:24mins

24km:36mins

32km:48mins

40km:60mins

Answer:

Step-by-step explanation:

8km per 12 min would be 40km/hr :)

Answer:

\(50x < 330 + 30x\)

Step-by-step explanation:

Given

Helen:

\(Base\ Amount = \$330\)

\(Weekly = \$30\)

Vince:

\(Base\ Amount = \$0\)

\(Weekly = \$50\)

First, we need to determine Helen's and Vince's balance at x weeks.

\(Balance = Base\ Amount + Weekly\ Earnings * x\)

For Helen:

\(Balance = 330 + 30 * x\)

\(Balance = 330 + 30x\)

For Vince:

\(Balance = 0 + 50 * x\)

\(Balance = 50x\)

As an inequality, we have:

\(Helen > Vince\)

\(330 + 30x > 50x\)

Reorder

\(50x < 330 + 30x\)

The random variable x, which represents the amount of rain (in inches) that fell this spring, is a continuous random variable.

In this context, a continuous random variable is one that can take on any value within a certain range. The amount of rain can be measured with different levels of precision, such as 2.5 inches or 2.5342 inches, indicating that there is an infinite number of possible values between any two given points.

On the other hand, a discrete random variable would involve countable outcomes or a finite number of possible values. For example, if we were counting the number of rainy days during the spring, the random variable would be discrete since it can only take whole number values.

In the case of measuring the amount of rain, there can be infinitely many possible values within any given range, and therefore, it is considered a continuous random variable. So, the correct answer is option A.

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The complete question is:

Decide whether the random variable x is discrete or continuous. Explain your reasoning Let x represent the amount of rain (in inches) that fell this spring. Is the random variable x discrete or continuous? Choose the correct answer below.

A. Continuous, because x is a random variable that cannot be counted.

B. Discrete, because x is a random variable that can be counted.

The mass of the radioactive sample at the beginning of the 8th day of the experiment a_13=310.7.

In a lab experiment, the decay of a radioactive isotope is being observed.

At the beginning of the first day of the experiment, the mass of the substance was 1300 grams and the mass decreased by 6% per day.

\(a_n=a_1r^{n-1}\)

Use the given value in the formula so we get,

\(a_{13}=1100(0.9)^{13-1}\)

Simplify the given term

\(a_{13}=310.7\)

Therefore, The mass of the radioactive sample at the beginning of the 8th day of the experiment a_13=310.7.

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Answer:

389

Step-by-step explanation:

Inverse variation is the relationships between variables that are represented in the form of \(y=\frac{k}{x}\), where \(x\) and \(y\) are two variables and \(k\) is the constant value. It states that if one quantity's value rises, the other quantity's value falls.

We notice that the variation in values of one quantity depends on the variation in values of another quantity in our day-to-day lives. A variable's inverse variation in relation to another variable is known as inverse variation. It exemplifies the opposite relationship that exists between two quantities. As a result, a variable and another variable are inversely proportional.

In everyday life, there are numerous real-world examples of inverse variation. For instance:  If a train travels at a constant speed for a greater distance, it takes longer to complete the journey, and vice versa. On the other hand, if more people are assigned to a job, it takes less time to complete it.

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Answer and Step-by-step explanation:

Assuming the room is a type of rectangle, we need to divide the area by the width to get the length.

So, do 400 divided by 20 to get the length, as length times width equals the area.

400 divided by 20 = 20.

The length of the room is 20 ft. (meaning the room is a perfect square.

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Answer:

x = 6

Step-by-step explanation:

6x + 27 = 12x - 9

6x -12x = -9 -27

-6x = -36 /: (-6)

x = 6

Your question involves the terms of an arithmetic sequence. The general formula for the nth term in an arithmetic sequence is An = A1 + (n - 1) * d, where An is the nth term, A1 is the first term, n is the term number, and d is the common difference between the terms.

You've provided the 10th through 13th terms of the sequence: a10 = 47, a11 = 53, a12 = 59, and a13 = 65. We can observe that the common difference (d) between consecutive terms is 6.
Now, we can use this information to find the formula for the nth term. We know that a10 = 47, so we can write:
47 = A1 + (10 - 1) * 6
47 = A1 + 54
Solving for A1, we get:
A1 = -7
So the formula for the nth term of the arithmetic sequence is:
An = -7 + (n - 1) * 6
This simplifies to:
An = 6n - 13
Hence, the correct answer is:
O A. An = 6n - 13

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