2+2=4 right…………………………….

The mixture must be heated an amount of 23 °F to reach a temperature of 132 °F.

Temperature is the measure of how "hot" a system is. Physically speaking, temperature is closely related to atomic and molecular motion within a system. In this problem we find a mixture that must be at a certain temperature, higher than its real one.

Therefore, the amount required to increase the temperature of the mixture is defined by following subtraction:

ΔT = R - r

Where:

If we know that r = 109 °F and R = 132 °F, then the temperature difference is:

ΔT = 132 °F - 109 °F

ΔT = 23 °F

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the space between  [tex]3x-2\ge -5 : $x \geq-1$[/tex] the time between

[tex]2x+5\le 17 : $x \leq 6$[/tex] . When two simple inequalities are combined, the result is a compound inequality.

Inequalities that are separated by "and" or "or" form a compound inequality. The intersection of the inequality graphs is shown by the graph of a compound inequality with a "and." When a number resolves both inequalities, it also resolves the compound inequality. Compound inequality can come in two different forms. Both congruence and disjunction issues are at play.

Occasionally, these compound inequality formulas will be represented as two simple inequality formulas that have been separated by the words AND or OR. If there are multiple "and/or" compound inequalities, start by resolving each one separately. It is an inequality when two simple inequalities are combined to form it. The two expressions that make up an equation or an inequality are connected in a mathematical statement.

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Answer:

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

As per table we see:

To find the y-intercept we add 2 to the value of y = - 3 when x = 1, it will represent y = - 1 at x = 0.

The slope-intercept form is:

After plugging in the values of m and b the line becomes :

Answer:

$9 left

Step-by-step explanation:

1.50 x 2 = $3

1.50 x 2 = $3

2.50 x 2 = $5

5 + 3 + 3 = $11

$20 - $11 = $9

Answer:

Step-by-step explanation:

1.50+1.50+3

1.50+1.50+3

2.50+2.50= 5

5 + 3 + 3 = 11

20 - 11 = 9

The area of the new triangle g’h’i’ is 9.

The area of a triangle is a measure of the size of the triangle, calculated as the amount of space enclosed by its three sides. It can be calculated using the following formula:

Area = (base x height) / 2

where base is the length of one side of the triangle, and height is the perpendicular distance from the base to the opposite vertex.

If a triangle is rotated 180 degrees about the origin, its coordinates will change signs. If it is then dilated by a factor of 3, its coordinates will be multiplied by 3. The new triangle g'h'i' will have the following coordinates: g' (-3,0), h' (0,3), and i' (0,-3).

The height of the new triangle will be the absolute value of the difference between its y-coordinates: h = |3 - (-3)| = 6. The base of the triangle will be the absolute value of the difference between its x-coordinates: b = |-3 - 0| = 3.

Therefore, the area of the new triangle g'h'i' is: A = (1/2)bh = (1/2)(3)(6) = 9.

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Answer: I believe it is

4 < x < 6

10 < x < 16

The correct statements regarding the linear function G(t) = 10 - 2t are given as follows:

Initially, the tank has 10 gallons of gasoline.

The rate of consumption is of 2 gallons per hour.

The slope of G(t) represents the fuel consumption of the vehicle.

The t-intercept represents the time it takes for the vehicle to run out of gas.

What is slope ?

A line's steepness is determined by its slope. In mathematics, slope is determined by "rise over run" (change in y divided by change in x).

The linear function is defined as follows:

G(t) = 10 - 2t.

In which the variables are:

G(t) is the amount of gasoline that the car has after t hours.

t is the time in hours.

The slope and the intercept are presented as follows:

Slope of -2: 2 gallons are consumed each hour.

Intercept of 10: The initial fuel in the car is of 10 gallons.

The t-intercept is:

10 - 2t = 0

2t = 10

t = 5.

Which is the time it takes for the car to run out of fuel.

Missing Information

The options are given by the image shown at the end of the answer.

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The simplified trigonometric expression [tex]\sqrt{(1 - \csc^2{(y)}){(\cos^2{y} - 1)}}[/tex] is given as follows:

[tex]\sqrt{(1 - \csc^2{(y)}){(\cos^2{y} - 1)}} = \cot{y}\sin{y}[/tex]

The trigonometric expression for this problem is defined as follows:

[tex]\sqrt{(1 - \csc^2{(y)}){(\cos^2{y} - 1)}}[/tex]

Then trigonometric identities are used to simplify the radicands of the rational expression.

The identity that uses the cossecant squared is given as follows:

csc²(y) = 1 + cot²(y).

Hence:

1 - csc²(y) = -cot²(y).

The identity that uses the cosine squared is given as follows:

sin²(y) + cos²(y) = 1.

Hence:

cos²(y) - 1 = -sin²(y).

Then the expression can be simplified as follows:

[tex]\sqrt{(1 - \csc^2{(y)}){\cos^2{y} - 1}} = \sqrt{-cot^2{y} \times -\sin^2{y}}[/tex]

As the product of two negative numbers is positive, we have that:

[tex]\sqrt{cot^2{y}sin^2{y}}

Taking the square root of each squared term, the simplified expression is given as follows:

cot(y)sin(y).

The problem asks for the simplified expression.

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The square root of the numbers are 2. 45, 2. 65, 2. 82, 3 and 3. 16 respectively.

The square root of a number is described as the factor that when multiply by itself would give the original

It is represented with the symbol, "√".

To determine the square root of a number is to find the opposite of the square of that same number.

It is also described as the number having the value of its power or exponent as 1/2

From the information given, we have to determine the square root of the numbers,  we have;

a. √6

The square root of the number is 2. 45

b. √7

The square root of the number is 2. 65

c. The square root of 8

√8 = 2. 82

c. The square root of 9

√9 = 3

d. The square root of 10

√10 = 3. 16

Hence, the square root is the opposite of squaring the number

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Answer:

Step-by-step explanation:

Answer:

y = 2x -2

Step-by-step explanation:

y = mx + b

We need the slope (m) and the y-intercept (b) to write the eqation.

The slope is the change in y over the change in x.  We can see from the table that the y is changing by 2 as the x changes by 1

So the slope is 2/1 which is the same as 2

The slope (m) is 2.

The y-intercept is the place where the line crosses the y axis.  It is at the point (0,b).  When x is zero, what is y?  If we follow the patter and move to the number before x is 1, we get x = 0.  That means that we have to move back 2 units of the y's.  That would be -2.  So the y-intercept is the point (0,-2).

The y-intercept (b) is -2

y = 2x - 2

Answer:

y = - [tex]\frac{1}{2}[/tex] x - 2

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mc + c ( m is the slope and c the y- intercept )

y = - [tex]\frac{1}{2}[/tex] x + 6 ← is in slope- intercept form

with slope m = - [tex]\frac{1}{2}[/tex]

• Parallel lines have equal slopes , then

slope of parallel line = - [tex]\frac{1}{2}[/tex]

the line crosses the y- axis at (0, - 2 ) ⇒ c = - 2

y = - [tex]\frac{1}{2}[/tex] x - 2 ← equation of parallel line

Please find attached herewith the solution of your question.

Answer: 2.8 m

Hope it helps.

If you have any query, feel free to ask.

The values of g(g(4)) = 0 and f(f(3)) = - 3.

A portion of the right cone known as a parabola is one that runs parallel to the generating line on one side of the iconic figure. The parabola is likewise a quadratic connection, much like the circle, however, unlike the circle, either 'A' or 'B' will be squared, but never both.

Here we have

Equation of parabola f(x) = x² - 2x - 3 and line g(x) = x - 2

Here we need to find g(g(4)) and f(f(3))

To find g(g(4)) take x = 4

g(4) = 4 - 2 = 2

=> g(g(4)) = g(2) = 2 - 2 = 0

Therefore, g(g(4)) = 0  

To find f(f(3)) take x = 3

f(3) =  3² - 2(3) - 3 = 9 - 9 = 0

f(f(3)) =  0² - 2(0) - 3 = - 3

Therefore,

The values of g(g(4)) = 0 and f(f(3)) = - 3.

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Pie graphs can be used to display percentages of an entire group and depict percentages at a certain moment. Customers contacted via the web = x(let) then.as a result, customers contacted online (chart = x = 100), 25 customers were reached by social media, or x/4

Pie charts can be used to show percentages for the whole group or for a specific time period.

In contrast to bar and line graphs, pie charts do not show changes over time.

The following pages provide descriptions of the various pie chart elements.

Since the slices of a pie chart represent different parts of the whole, their sum must always equal 100%.

Number of customers overall = 250 clients were contacted via email for every 500 customers contacted via phone, or 50% of phone contacts.

=(50÷100)×250

=125

Customers reached via social media

= total customers + 250 + 125 + x+1 = 500 x+1

=125 × 5

T=125

x=100.

Customers contacted via the web = x(let) then.

as a result, customers contacted online (chart = x = 100)

25 customers were reached by social media, or x/4

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The given angle 2.59 radian into degree is 148.40°.

What is radian and degree?

While a radian is another unit of measurement that is used to measure angles, a degree is a unit of measurement that is used to measure circles, spheres, and angles. The radian, or one pi radian, is only half the diameter of a circle, which has 360 degrees, or its entire area.

Given:

The angle in radian is 2.59.

We have to convert this angle into degree.

Since, the formula to convert angle θ from radian to degree is,

Radian = [tex]\frac{180}{\pi }[/tex] degree

= 2.59 x (180/π)

= 148.40°

Hence, the given angle 2.59 radian into degree is 148.40°.

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Answer:

Step-by-step explanation:

24

Answer:First, we can simplify the equation a^2 = 3a + 1 by subtracting 3a and 1 from both sides, to get:

a^2 - 3a - 1 = 0

Now we can factor the left side:

(a-1)(a+1) = 0

This equation tells us that either a-1 = 0 or a+1 = 0. So, a = 1 or a = -1.

Next, we can substitute these values into the expression (a+1/a)^2

For a = 1, (1+1/1)^2 = 2^2 = 4

For a = -1, (-1+1/(-1))^2 = 0^2 = 0

So, the value of (a+1/a)^2 is 4 when a = 1, and 0 when a = -1

Step-by-step explanation:

Answer:

Option C

Step-by-step explanation:

         Factorize 768

768 = 4 * 4 * 4 * 4 * 3

For every four times of a constant or variable, take one constant or variable outside the fourth root.

[tex]\sqrt[4]{768x^8y^5}=\sqrt[4]{4*4*4*4*3 * (x^2)^4 * y^4 * y}[/tex]

                [tex]=4x^2y\sqrt[4]{3y}[/tex]

The travelled distance functions for the particle is the integral equation [tex]\Delta s = \int\limits^{t = 3}_{t = 0} {|t^{3} - 3 \cdot x^{2} + 2\cdot x|} \, dt[/tex]. (Correct choice: C)

In this problem we find the case of a particle whose velocity is defined by cubic function v(t) = t³ - 3 · t² + 2 · t and we are asked to find its travelled distance, that is the distance traveled by the particle along its path. Since travelled distance is a scalar, then we must apply the following definition:

[tex]\Delta s = \int\limits^{t = b}_{t = a} {|v(t)|} \, dt[/tex]

Where:

Therefore, the travelled distance function is shown below:

[tex]\Delta s = \int\limits^{t = 3}_{t = 0} {|t^{3} - 3 \cdot x^{2} + 2\cdot x|} \, dt[/tex]

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The amount of the discount, in dollars and cents is $14.77

Total amount paid for the ticket = $32

Percentage discount = 30% of x

Percentage processing fee = 5%

Total amount paid = x - (30% of x) + 5% of x

32 = x - 0.3x + 0.05x

32 = 0.65x

divide both sides by 0.65

x = 32/0.65

x = 49.23076923076923

Approximately,

x = $49.23

Therefore,

Percentage discount = 30% of x

= 0.3 × $49.23

= $14.769

Approximately,

$14.77

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x = 3y perendicular to l

y = -3x parallel to l

y = 3x + 2 neither

x -3y = -6 perpendicular to l

6y = 2x + 10 perpendicular to l

A line's slope, often known as its gradient, is a numerical representation of the line's steepness and direction.

The increase divided by the run, or the ratio of the rise to the run, is known as the line's slope. In the coordinate plane, it describes the slope of the line. Finding the slope between two separate locations and calculating the slope of a line are related tasks.

One approach for determining a line's slope from a graph is to use the formula immediately after knowing the coordinates of two points that are on the line. Let's assume that the coordinate values for the two spots are unknown. Therefore, we also have another way to determine the slope of the line. This approach entails attempting to determine the tangent of the angle formed by the line and the x-axis.

The line is

y = -3x -1

slope is -3 by slope intercept form

The line x = 3y

or y = (1/3)*x

slope is 1/3

we know for a line perpendicular to a given line slope should be -1/m so the slope will be  (1/3)

so, x = 3y  is perpendicular

y = -3x have slope -3 so it is parallel

y = 3x + 2  slope is 3 so neither

x - 3y = -6

or , y = (1/3)*x + 2 , so slope is (1/3) so perpendicular to line

And

6y = 2x + 10

here slope is 1/3 so perpendicular to line.

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The amount that John gets is given as follows:

$364.

The amount that John gets is obtained applying the proportions in the context of this problem.

The ratio between the amounts that David and John gets is given as follows:

2:8.

Meaning that relative to the total amount, the fractions are given as follows:

The total amount is given as follows:

$455.

Hence the amount that John gets is given as follows:

4/5 x 455 = $364.

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The amount that would be covered by the Insurance Plan would be and the amount that is billed to the patient is  $ 9. 75

The amount that would be covered by the insurance plan in a 85 / 15 coinsurance plan is 85 % of the bill. The amount to be covered by the insurance plan is:

= 85% x 65

= $ 55. 25

The amount billed to the patient is:

= Total bill - covered by insurance plan

= 65 - 55 .25

= $ 9. 75

In conclusion, the amount that would be covered by the insurance plan is $ 55. 25 and the amount to be billed to the patient to be paid by them is $ 9. 75.

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If a textbook store sold a combined total of 447 sociology and math textbooks in a week. The number of  textbooks of each type  that were sold is: 195 Math textbooks, 138  Sociology textbooks.

Let x represent the number of math textbooks

Let y represent the number of sociology

Altogether bookseller sold 447 math and sociology textbooks

Hence,

x + y = 447

Since the number of sociology textbooks sold was 57 less than the number of math books sold.

So:

y = x - 57

Substitute for y in the equation

x + y = 447

x + (x - 57) = 447

2x - 57 = 447

Combine like terms

2x = 447 -57

2x = 390

Divide both side by 2x

x = 390/2

x = 195 (Math textbooks)

y = x - 57

y = 195 -57

y = 138 ( Sociology textbooks)

Therefore 195 and 138 textbooks were sold.

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Answer:

A = $400, B = $300, C = $240

Step-by-step explanation:

The ratio will be [tex]\frac{20}{60}:\frac{15}{60}:\frac{12}{60}[/tex], that means the total of them is (20 + 15 + 12 = 47).

Divide $940 by 47 to find the value of 1 unit [tex]\frac{940}{47}=20[/tex]

A = 20 × 20 = $400

B = 20 × 15 = $300

C = 20 × 12 = $240

The average speed of Apolo Ohno, in the sprint in the Winter Olympics in 2006, given the time taken to complete the course, was 11. 92 m /s

A body's average speed is the mean value of its speed for a certain time period. The average speed formula is necessary because a moving body's speed vary over time instead than remaining constant. Even though the speed changes, we can still use the total time and total distance numbers, and with the help of the average speed calculation, we can determine a single value that represents the entirety of the motion.

Given the distance that Apolo Ohno had to sprint and the time he completed the course in, his average speed in the event was :

= 500 m / 41. 935 s

= 11. 92 m /s

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Verdadero. Cuando hay una potencia de una potencia, se conserva la base y los exponentes se multiplican.

Para calcular la potencia de una potencia, se puede conservar la base y multiplicar los exponentes. Esto se basa en la propiedad matemática de la potenciación que establece que (a^b)^c = a^(b*c), donde a es la base, b es el primer exponente y c es el segundo exponente.

Por ejemplo, considere (2³)⁴. La base es 2 y el primer exponente es 3 y el segundo exponente es 4. El resultado sería 2^(3*4) = 2¹². Esto significa que la expresión original (2³)⁴ es igual a 2 elevado a la potencia de 12.

En general, cuando se tiene una potencia de una potencia, el resultado se obtiene conservando la base y multiplicando los exponentes. Esto permite simplificar la expresión y encontrar el resultado de manera más fácil.

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Using the given information, the measure of angle AEB is 62

From the question, we are to determine the measure of angle AEB

From the given information, we have that

Angle A = 86°

Angle C = 110°

Angle D = 40°

First, we will calculate the measure of angle B

A + B + C + D = 360°

86 + B + 110 + 40 = 360 (Sum of angles in a quadrilateral)

B + 236 = 360

B = 360 - 236

B = 124

∴ Angle ABC = 124

Then,

Angle ABC is bisected

Therefore,

Angle AEB = 1/2 × 124

Angle AEB = 62

Hence, angle AEB is 62

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Answer:

Each ticket costs: $10.20

Step-by-step explanation:

If all 7 tickets together add up to 71.40, you cna find the price of one by dividing.

Take 71.40 and divide that by 7

71.40 / 7 = 10.2