“24 hours per day” translate the algebraic expression

Answer:

3/10

Step-by-step explanation:

please mark me brainliest if this is right

The intersection of the curve with the x-axis will be at (−1, 0) and (4, 0) for each factor.

A function is an assertion, concept, or principle that establishes an association between two variables. Functions may be found throughout mathematics and are essential for the development of significant links.

The function written in factored form is given below.

f(x) = (−x + 4) (2x + 2)

For the factor (−x + 4), we have

−x + 4 = 0

x = 4

For the factor (2x + 2), we have

2x + 2 = 0

2x = −2

x = −1

The intersection of the curve with the x-axis will be at (−1, 0) and (4, 0) for each factor.

The graph is given below.

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Hello,

I hope you and your family are doing well!

To find when the populations of the two cities are equal, we can set P1(t) = P2(t) and solve for t:

120 e 0.011 t = 125 e 0.007 t

Dividing both sides by e 0.007 t:

120 = 125 * (e 0.011 t / e 0.007 t)

Using the property that e^(a+b) = e^a * e^b, we have:

120 = 125 * e^(0.011 t - 0.007 t)

120 = 125 * e^(0.004 t)

Dividing both sides by 125:

1.2 = e^(0.004 t)

Taking the natural logarithm of both sides:

ln 1.2 = ln e^(0.004 t)

ln 1.2 = 0.004 t

t = ln 1.2 / 0.004

t = approximately 8.44 years

Therefore, the populations of the two cities were equal approximately 8.44 years after 2004, or in the year 2012. To find the population of the two cities at this point in time, we can substitute t = 8.44 into either of the exponential functions:

P1(8.44) = 120 e 0.011 * 8.44 = approximately 123.88 thousand

P2(8.44) = 125 e 0.007 * 8.44 = approximately 123.88 thousand

Therefore, the populations of the two cities were equal to approximately 123.88 thousand when they were equal.

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Happy Holidays!

Answer:

1,2,3,5,6,10,15,30

Step-by-step explanation:

1*30

2*15

3*10

5*6

The cost of driving Jenna's car is $0.341/mile

From the question, we are to determine the cost of driving Jenna's car in $/mile

From the given information

The formula used to find Jenna's cost to drive her own car for work is

J = g/22 + 0.146

We are to find the cost of driving when the price of gas, g, is $4.29/gallon

Substitute g = 4.29 in the formula

J = 4.29/22 + 0.146

J = 0.195 + 0.146

J = 0.341

Hence, the cost is $0.341

Here is the complete question:

Recall the formula used to find Jenna's cost to drive her own car for work:

J = g/22 + 0.146

In this formula, J = Cost of driving Jenna's car in $/mile, and g = Cost of gas in $/gallon.

Find the cost of driving Jenna’s car (J) in $/mile when the price of gas is $4.29/gallon

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Answer:

I think 50

Step-by-step explanation:

Answer: A. 6m

Step-by-step explanation: the graph shows at the x axis that it is time. so, go to two seconds and then go up to where the line is. it goes up to 6m so that is the answer.

The square root of 40 is approximately 6.324555320336759. This is the width of the rectangle.

What is a rectangle?

It is defined as the two-dimensional geometry in which the angle between the adjacent sides are 90 degree. It is a type of quadrilateral. It occupies area in two-dimensional planner geometry.

The area of a rectangle is given by the formula A = lw,

where A is the area, l is the length, and w is the width.

We are told that the length of the rectangle is twice the width, so we can write the formula as follows:

A = 2w * w

We are also told that the area of the rectangle is 80 square inches, so we can substitute this value into the formula:

80 = 2w * w

We can rearrange this equation to solve for w:

80 = 2w²

w² = 40

The square root of 40 is an irrational number, so the width of the rectangle is an irrational number.

Hence,  To express this number in decimal form, the square root of 40 is approximately 6.324555320336759. This is the width of the rectangle.

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The equation which model the relationship between the weeks and the viewers is;

f(x) = 2160(1.5)ˣ

The distance between each number in a geometric series is known as the common ratio. The ratio between two consecutive numbers, or a number divided by the number before it in the sequence, is known as the common ratio since it is the same for all numbers or common.

Given that the expression f(x) = abˣ

Here, b is the common ratio.

Now to find the common ratio b;

To check for first and second term, 3240 / 2160 = 1.5

To check for second term and third term, 4860 / 3240 = 1.5

To check for third term and forth term, 7290 / 4860 = 1.5

To check for forth and fifth term, 10935 / 7290 = 1.5

Therefore the common ratio b is 1.5.

now to find a,

let x =0 and f(x) = 2160

Then, 2160 = a (1.5)°

a = 2160

Therefore, the equation which model the relationship between the weeks and the viewers is;

f(x) = 2160(1.5)ˣ

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Step-by-step explanation:

12.93 is the answer of this question.

The value of x is [tex]x=\frac{268}{3}[/tex] = 89.33 degree.

How do you find value of x?

The algebraic expression should often take one of the following forms: addition, subtraction, multiplication, or division. Bring the variable to the left and the remaining values to the right to determine the value of x. To determine the outcome, simplify the values. The letter "x" is frequently used in mathematics to denote an unknowable amount or variable. Similar to how X-rays confounded their discoverer and Malcolm X adopted the sign to stand for the lost name of his African ancestry, x also denotes the unknown in English.

x+44+x+3+x+45=360

Group like terms

x+x+x+44+3+45=360

Add similar elements: x+x+x=3 x

3 x+44+3+45=360

Add the numbers: 44+3+45=92

3 x+92=360

Move 92 to the right side

3 x=268

Divide both sides by 3

[tex]\frac{3 x}{3}=\frac{268}{3}[/tex]

Simplify

[tex]x=\frac{268}{3}[/tex]

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The surface area of a snowball can be represented by the formula:

A = 4πr^2

where A is the surface area, r is the radius of the snowball, and π is a constant approximately equal to 3.14.

If the surface area of the snowball decreases at a rate of 4 cm²/min, we can represent this as a derivative:

dA/dt = -4

where dA/dt is the rate of change of the surface area with respect to time, and t is the time in minutes.

The radius of the snowball is equal to half the diameter, so we can represent the radius as:

r = d/2

where d is the diameter of the snowball.

Substituting this expression for r into the formula for the surface area and differentiating with respect to time, we get:

dA/dt = 8π(d/2)dr/dt

Setting this expression equal to -4 and solving for dr/dt, we get:

dr/dt = -4 / (8π)

= -0.5 / π

When the diameter of the snowball is 39 cm, the rate at which the diameter decreases is:

dr/dt = -0.5 / π

= -0.15915494309189533576888376337251

Therefore, the rate at which the diameter of the snowball decreases when the diameter is 39 cm is approximately -0.159 cm/min.

I hope this helps

By knowing that the cost equation must be a proportional relation, we will find that the equation is:

y = $0.64*x

The cost equation is proportional, if we define y as the cost and x as the number of pounds, the equation is something like:

y = k*x

We know that for (5 + 1/2) pounds the cost is $3.52, then we can replace these values in the equation above to get.

$3.52 = k*(5 + 1/2)

$3.52/(5 + 1/2) = k = $0.64

Then the cost equation for x pounds of potatoes is:

y = $0.64*x

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The graph of the linear equation y = (3/2)*x - 7

Can be seen in the image at the end.

A general linear equation is written as:

y = a*x + b

Where a is the slope and b is the y-intercept.

Here we know that the slope is -2 and the y-intercept is -4, then the linear equation is:

y = -2x - 4

To graph that line we need to find two points on it, to get the points we need to replace the value of x.

if x = 0

y = -2x - 4

y = -4

So we have the point (0, -4)

And if x = 1:

y = -2*1 - 4

y = -6

So we have the point (1, -6)

Now we just need to graph these two points and connect them with a line.

You can see the graph below.

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Answer:

7,293 if I am correct.

Hope this helps!

The equation of the quadratic function is (c) f(x) = a(x + 3)² - 2

From the question, we have the table of values that can be used in our computation:

A quadratic equation is represented as

f(x) = a(x - h)² + k

Where

Vertex = (h, k)

From the graph, we have the vertex to be

(h, k) = (-3, -2)

Substitute (h, k) = (-3, -2) in f(x) = a(x - h)² + k

So, we have

f(x) = a(x + 3)² - 2

Also, from the graph, we have the point (0, 7)

This means that

a(0 + 3)² - 2 = 7

So, we have

9a = 9

Divide both sides by 9

a = 1

Substitute a = 1 in f(x) = a(x + 3)² - 2

f(x) = a(x + 3)² - 2

Hence, the equation is f(x) = a(x + 3)² - 2

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Answer:

hey um im back....

Step-by-step explanation: i was in the ER from being abused and you did not lose me don't worry i love you i was moving place to place so i did not have my phone i wish i could undo this all but im ok now love

michelle

Therefore, the height of the rectangle and the radius of the semicircle should be 8 feet each in order for the Norman window to admit the most light.

The distance along the line defining a half circle's boundary is known as the semi circle's perimeter. It is made up of the diameter of the semi circle, which is a straight line that passes through the center of the circle, and the semi circle's curving arc. For example, he radius of the semicircle and the height of the rectangle such that the window will admit the most light. A semi circle's diameter must be determined before calculating the circumference. This may be accomplished by determining the radius of the semicircle, which is the separation between any two points on the circle and the circle's center. Simply said, the diameter is twice the radius.

How to solve?

If the perimeter of the Norman window is 32 feet, then each side of the rectangle must be 8 feet long. ( using 2(l+b))

The radius of the semicircle must also be 8 feet, as the perimeter of a semicircle is equal to 2 * pi * radius.

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Using Triangle inequality theorem Angle C of triangle CBT will be the biggest angle.

Triangle inequality. A theorem in Euclidean geometry that states that the sum of any two sides of a triangle is greater than or equal to the third side. In symbol a + b ≥ c. Basically, the theorem states that the shortest distance between two points is a straight line.

In mathematics, the triangle inequality states that for any triangle, the sum of the lengths of any two sides of it must be greater than or equal to the length of the remaining sides.

In the given triangle CBT , CB = 24 cm BT = 35 cm CT = 30 cm

We know angle opposite to larger side will be greatest therefore, angle C of triangle CBT will be the biggest angle

.

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The graph of the given line with y-intercept -4 and slope 6 is given below.

What is slope intercept form?

One of the most popular ways to represent the equation of a line is in the slope intercept form of a straight line. When the slope of the straight line and the y-intercept are known, the slope-intercept formula can be used to determine the equation of a line ( the y-coordinate of the point where the line intersects the y-axis).

For a straight line with slope "m" and y-intercept "b," the slope-intercept form equation is:

y = mx + b.

Given, y-intercept (b) = -4

slope (m) = 6

Then, the equation of the graph will be

y = 6x - 4

The graph of the equation with points is given below:

Hence, this is the required graph of the slope-intercept form line.

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The inverse sine trig function would be used to solve for angle Z .

In the right angle triangle the ratio of the opposite to the hypotenuse of any acute <A is called the sine of < A

The inverse of the sine function, also known as the arcsine function, returns the angle's value when the sine function's opposite side and hypotenuse ratio are equal. It produces the angle's value.

The opposite of the sine function is the inverse sine function, also known as arcsine. Due to the fact that the sine of an angle (or sine function) is equal to the ratio of the opposite side to the hypotenuse, the sine inverse of this ratio will provide the angle's measurement.

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The coordinates of y so that JY = (2/3)JK is Y = 2/3k

Coordinates are a pair of numbers (Cartesian coordinates), or sporadically a letter and a number, that identify a certain place on a grid, also referred to as a coordinate plane.

The x axis (horizontal) and y axis are the two axes that make up a coordinate plane (vertical)

Examining the expression given JY = (2/3)JK, it can be seen that

at the left part of the equation Y is present while at the second part of the equation Y is no replaced by 2/3k

Hence the 2/3k is equal to Y, and this represents the points that defines Y

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After 11.71 years the amount will double to the principal amount  

Compound interest refers to the interest added to a loan or deposit that depends on both the principal amount and compound interest rate and the number of compoundings in a year.

The formula for the amount in compound interest is given by

where P = Principal amount

r = Rate of interest

n = Number of compounds

t = Time period  

From the given data

Principal amount, p = $ 2500

Rate of interest, r = 6% = 6/100 = 0.06

Number of compounds, n = 2    [ ∵ 12/6 = 2 ]

Here we need to find the time period

Let's assume that after 't' years the amount will be doubled i.e $ 5000

From the given problem,

Amount, A = 2500(1+0.06/2)^2t        

= 2500(1+0.06/2)^2t  

= 2500(1 + 0.03)^2t  

= 2500 (1.03)^2t    

As we assumed after 't' years the amount is $ 5000

=>  2500 (1.03)^2t = 5000

=> (1.03)^2t = 5000/2500

=> (1.03)^2t = 2

Apply to log on both sides

=> log (1.3)^t  = log 2

=> 2t log (1.3) = log 2

=> 2t = log 2/ log(1.03)

=> 2t = 23.4497722

[ use calculator for log (1.03) and log 2 values]

=> t = 11.7248861  

=> t = 11.71 ≅ 11 years

Therefore,

After 11.71 years the amount will double to the principal amount

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True, the given function f has an inverse.

A function that can reverse into another function is known as an inverse function or anti-function. In other words, the inverse of a function "f" will take y to x if any function "f" takes x to y.  Inverse functions f and g result in f(x) = y if and only if g(y) = x.

Under the given condition, we can define the function g on the set of the images  {b | b = f(a), a belongs to A}  in a way

   g(b) = a,   if f(a) = b.

This function is defined correctly on this set and is the inverse function to f.

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The amount of interest he will pay on this loan$12,400.

What is  interest?

The fee you pay to borrow money or the fee you charge to lend money is called interest. The most common way to represent interest is as an annual percentage of the loan amount. The interest rate on the loan is known as this percentage.

Principal = $10,000

Rate = 8%

Time = 36 months, 1 year - 12 months

36 months - 36/12= 3 years

S.I. = PRT/100

10,000*8*3/100

240,000/100 = $2,400

A = P+I = 10,000+2,400= $12,400

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By using the differentials to approximate the possible propagated error in computing the area of the end of the log is ±2π

The measurement of the radius of the end of a log = 8 inches

The possible error of radius = 1/8 inches

The area of cross section of the end of the log = πr^2

A =  πr^2

dA / dr = 2πr

dA = 2πr(dr)

Here the possible error of radius = 1/8 inches

dr = 1/8 inches

Substitute the values in the equation

dA = 2π × 8 × (± 1/8)

= ±2π

Therefore, the possible propagated error in computing the area is ±2π

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Answer: proved

Step-by-step explanation:

Prove the inequality:

[tex]\displaystyle\\\frac{(a+b)^2}{c} +\frac{c^2}{a} \geq 4b\ \ \ \ \ a > 0\ \ \ \ \ b > 0\ \ \ \ \ c > 0\\[/tex]

Multiply both parts of the inequality by ac (a>0, c>0):

[tex]a(a+b)^2+c*c^2\geq 4abc[/tex]

Simplify the left side of the inequality using the Cauchy inequality:

                                  [tex]\boxed {t+v\geq 2\sqrt{tv} }[/tex]      

[tex]a(a+b)^2+c(c^2)\geq 2\sqrt{a(a+b)^2c(c^2)} \\\\a(a+b)^2+c(c^2)\geq 2(a+b)c\sqrt{ac} \\\\a(a+b)^2+c(c^2)\geq 2(ac+bc)\sqrt{ac}\ \ \ \ \ (1)[/tex]

Simplify the right side of the inequality using the Cauchy inequality:

[tex]ac+bc\geq 2\sqrt{acbc} \\\\ac+bc\geq 2\sqrt{abc^2} \\\\ac+bc\geq 2c\sqrt{ab}[/tex]\ \ \ \  \ (2)

Substitute expression (2) into expression (1):

[tex]a(a+b)^2+c(c^2)\geq 2*2c\sqrt{ab} \sqrt{ab} \\\\a(a+b)^2+c(c^2)\geq4abc[/tex]

Hence,

[tex]\displaystyle\\\frac{(a+b)^2}{c} +\frac{c^2}{a} \geq 4b[/tex]

Answer:

m=30

Step-by-step explanation:

The height of a nearby tree is 15ft

What is Application of trigonometry ?

Trigonometry is the study of lengths, heights, and angles through computations involving triangles. There are many applications for trigonometry and its functions in daily life. For instance, it is employed in astronomy to gauge the distances between nearby stars, in geography to gauge the separations between landmarks, and in the satellite navigation system.

According to question

let

The height of tree = h

Angle elevation = α

Given

Length of shadow of tree = 20 ft

height of man = 6 ft

Length of shadow of man = 8 ft

We know that

tanθ = Perpendicular/Base

therefore:

tanα = 6/8 = h/20

⇒ 6*20 = 8h

⇒ 120 = 8h

⇒ h = 120/8

⇒ h = 15

hence, the height of a nearby tree is 15 ft.

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