Identify the values of a, b, and c in the following quadratic equation: 2x^2 −3x−5

Answer: 20 log (2)

Step-by-step explanation:

Answer: Logarithms are mathematical functions that are used to represent the relationship between two quantities that are related by a power law. For example, if we have an exponential equation like 2^x = 8, we can use logarithms to solve for x: log2 8 = x.

In general, logarithms are written in the form logb a, where b is the base of the logarithm and a is the number we want to take the logarithm of. There are several different bases in that logarithms can be written in, including the common logarithm (base 10) and the natural logarithm (base e).

To evaluate a logarithm, we need to use the logarithmic properties and the change of base formula. One important property of logarithms is that logb (xy) = logb x + logb y. Another property is that logb (x/y) = logb x - logb y.

The change of base formula is used when we need to evaluate a logarithm in a different base than the one given. The formula is:

logb a = logc a / logc b

where c is any base other than b or a. By using this formula, we can convert a logarithm from one base to another in order to evaluate it using a calculator.

In the case of log4 25, we can use the common logarithm (base 10) or the natural logarithm (base e) to evaluate the logarithm. Using the change of base formula with the common logarithm, we have:

log4 25 = log(25) / log(4)

Using a calculator, we find that log(25) ≈ 1.39794 and log(4) ≈ 0.60206, so:

log4 25 ≈ 1.39794 / 0.60206

Simplifying this expression, we get:

log4 25 ≈ 2.32193

Rounding to the nearest thousandth, we get:

log4 25 ≈ 2.322

So, the value of log4 25 to the nearest thousandth is 2.322.

Step-by-step explanation:

since its on a straight line we instantly know that u+100=180 since a straight line is 180 degrees. From thay we can easily find out that u=180-100=80. So u is 80 degrees. Also pls mark as brainliest answer thx.

Answer:

u=180

Step-by-step explanation:

The two angles add together to form a straight line, so they add to 180

100+u = 180

u = 180-100

u= 80

Answer: 8,336

Step-by-step explanation:

So 1 meter is equal to 100 centimeters. All you have to do is multiply 83.36 by 100.

83.36 * 100 = 8,336

Hope this helps!!! :)

Answer:

634538

Step-by-step explanation:

Add 4+2 since in the rest of the columns, we have to add 0 to all of the rest of the numbers.

4+2=6

0+(3, 4, 5, 3, and 8 will equal the same thing)

0+3=3

0+4=4

And so on.

400000

+ 234538

_______

  634538

I hope this has helped!

the price per cubic inch for the regular size popcorn is #29.85

You should understand that Price is what a buyer pays to acquire products from a seller.  It takes into account the overall value of the offering, including the value of all raw materials and service that went into making an offering, as well as its markup or margin

The popcorn has 6 faces and the area of the popcorn is given as

Area = LBH

Length

Bredth

Height

Area= 3*5*6 = 90 cm²

Therefore, Price is given as $1.99

This implies that 1.99*90 = $179.1

Therefore the price per inch is 179.1/6 = #29.85

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None of the given options A, B, C, or D is correct as they all provide different answers.

what is algebra?

Algebra is a branch of mathematics that deals with mathematical operations and symbols used to represent numbers and quantities in equations and formulas.

The question asks for the equivalent of 6 × 2. This means that we need to find a number that is equal to the result of multiplying 6 and 2 together.

When we multiply 6 and 2, we get:

6 × 2 = 12

So, the equivalent of 6 × 2 is 12.

However, none of the answer options provided matches this answer.

Option A suggests that the equivalent of 6 × 2 is 2 × 1, which is equal to 2, not 12.

Option B suggests that the equivalent of 6 × 2 is 3 × 2, which is equal to 6, not 12.

Option C suggests that the equivalent of 6 × 2 is 9 × 3, which is equal to 27, not 12.

Option D suggests that the equivalent of 6 × 2 is 18 × 1/2, which is equal to 9, not 12.

Therefore, none of the options provided is correct.

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An equivalent expression by distributing the "-" sign outside the parentheses is -5w - 5.7x + 4.7.

An equation is a mathematical statement that shows the equality of two expressions, usually containing one or more variables. Equations typically include an equal sign (=) to indicate that the expressions on either side of the sign have the same value.

Equations can take many forms, from simple equations with only one variable, such as "x + 3 = 7," to more complex equations with multiple variables and exponents, such as "2x^2 + 5xy - 3y^2 = 0."

When we distribute the "-" sign outside the parentheses, we change the sign of every term inside the parentheses. So, we can write:

-5w - (5.7x - 4.7) = -5w - 5.7x + 4.7

Therefore, an equivalent expression by distributing the "-" sign outside the parentheses is -5w - 5.7x + 4.7.

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Answer:5w - 5.7x + 4.7

Step-by-step explanation:

The probability of picking a blue marble or a marble with an odd number is 7/9.

We can use set theory to calculate the probability of picking a blue marble or a marble with an odd number. Let B be the set of blue marbles and O be the set of marbles with odd numbers. Then, we need to calculate the probability of the union of B and O.

P(B or O) = P(B U O) = P(B) + P(O) - P(B and O)

We know that P(B) = 4/9 and P(O) = 5/9. To calculate P(B and O), we need to count the number of marbles that satisfy both conditions, i.e., they are blue and have an odd number. There are two such marbles: B1 and B3.

Therefore, P(B and O) = 2/9, and the probability of picking a blue marble or a marble with an odd number is:

P(B or O) = P(B U O) = P(B) + P(O) - P(B and O) = 4/9 + 5/9 - 2/9 = 7/9

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With the given compound interest, Total amount paid is $5,593.20 and you paid $1,379.40 more for the loan due to your bad credit score.

What is Compound interest?

Compound interest is the interest calculated on the initial principal as well as on the accumulated interest from previous periods. In other words, it is the interest earned not only on the principal amount but also on the interest previously earned.

Now,

To find the monthly payment, we can use the loan payment formula:

P = (Pv*r)/(1-(1+r)⁻ⁿ)

where P is the monthly payment, Pv is the present value of the loan, r is the monthly interest rate, and n is the total number of payments.

For your loan with a 15% APR, the monthly interest rate is 15%/12 = 1.25%.

For a 5-year loan with monthly payments, the total number of payments is 5 x 12 = 60.

So, plugging in the values, we get:

P = (5000*0.0125)/(1-(1+0.0125)⁻⁶⁰)) = $116.21

Your total amount paid over 5 years is:

Total amount paid = P x n = $116.21 x 60 = $6,972.60

For your friend's loan with a 5% APR, the monthly interest rate is 5%/12 = 0.42%.

Using the same formula as above, we get:

P = (5000*0.0042)/(1-(1+0.0042)⁻⁶⁰) = $93.22

Your friend's total amount paid over 5 years is:

Total amount paid = P x n = $93.22 x 60 = $5,593.20

The difference in the total amount paid is:

$6,972.60 - $5,593.20 = $1,379.40

Therefore, you paid $1,379.40 more for the loan due to your bad credit score.

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Answer: A.

Step-by-step explanation:

The area of the poster in square meters is 0.014 m².

It should be noted that to convert the area from square centimeters to square meters, we need to divide by 10,000 (since 1 square meter is equal to 10,000 square centimeters).

The area of the poster is:

14 cm × 10 cm = 140 cm²

To convert this to square meters, we divide by 10,000:

140 cm² ÷ 10,000 = 0.014 m²

Therefore, the area of the poster in square meters is 0.014 m².

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Heather has a rectangular poster that is 14 centimeters long and 10 centimeters wide. What is the area of the poster in square meters? Do not round your answer. Be sure to include the correct unit in your answer.

The values of c and d that define the translation are:

c = 4

d = 0

First we know that we have a reflection over the x-axis, let's study the coordinates of the botom vertex of triangle A.

It starts at (-3, -4), after a reflection over the x-axis we change the sign of the y-coordinate.

We will get the point (-3, 4)

And the top vertex of triangle B is at (1 , 4)

Then we have a translation of:

(1, 4) - (-3, 4) = (1 + 3, 4 - 4) = (4, 0)

Then the translation (c, d) is (4, 0), that means that:

c = 4

d = 0

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The vertex is (50, 630). The vertex is the peak and correspond with the coordinates of he maximum height of the arch.

The solutions is the base of the arch and this (20, 0) and (80, 0)

vertex form, y = -0.7(x - 50)² + 630

Quadratic equation factored form, y = -0.7 (x - 80) (x - 20)

The equations are the same when plotted on a graph and examined mathematically. physically it looks different.

the domain is (-∞, ∞)

The height of the monument 15 feet from the left side is 472.5 feet

since the zeroes of the quadratic equation is (20, 0) and (80, 0), hence we have that

y = a(x - 20)(x - 80) and the equation pass points (50, 630)

630 = a(50 - 20)(50 - 80)

630 = a * 30 * -30

630 = -900a

a = -0.7

Quadratic equation has a standard vertex form, y = a(x - h)² + k    

y = a(x - h)² + k

vertex (h, k) = (50, 630) and a = -0.7

plugging the values

y = -0.7(x - 50)² + 630

Quadratic equation has a standard factored form, y = a(x - h)² + k    

y = a(x - r2)(x - r1)

where r2 and r1 are the roots r1 = 20 r2 = 80 an a = -0.7

plugging the values

y = -0.7 (x - 80)(x - 20)

The height of the monument 15 feet from the left side is gotten from the graph

this is 15 feet from 20 hence x = 35 feet

from the graph it can traced to be 472.5 feet

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Standard deviation does not mean independent events.

No, the standard deviation is a measure of the spread or variability of a set of data. It measures how much the individual data points in a dataset deviate from the mean or average of the dataset.

Independence, on the other hand, refers to the relationship between two or more events, where the occurrence of one event does not affect the probability of the other event occurring.

Standard deviation is not directly related to the concept of independence. However, when calculating the standard deviation of a dataset, it assumes that each data point is independent and identically distributed. This means that the value of one data point does not affect the value of another data point, and that each data point is drawn from the same underlying distribution.

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Answer:

x = 2.16228,  -4.16228

Step-by-step explanation:

(2x² - 2x) - 5 = (x - 2)²

2x² - 2x - 5 = x² - 4x + 4

x² + 2x - 9 = 0

Use quadradic equation to find the roots of x:  a=1 , b=2, c=-9

x = 1 ± √10

x = 2.16228,  -4.16228

Answer:

14cm

Step-by-step explanation:

112÷8=14

base length=14cm

Answer:

To find the base length of a rectangle, given its area and height, you can use the formula for calculating the area of a rectangle, which is:

Area = Length x Width

In this case, you are given that the area is 112 square inches and the height is 8 inches. Let's denote the base length as "x" inches.

So, the equation for the area of the rectangle becomes:

112 = x * 8

To solve for "x", you can divide both sides of the equation by 8:

112 / 8 = x

x = 14

Therefore, the base length of the rectangle is 14 inches.

Answer: To find the circumference of a circle, there are 2 formulas.

Step-by-step explanation:

The first formula is 2πr and the second formula is πd when solving any math problem. You can use either one but you would use which one is the most helpful to answer your question. Hope this helps!

The other three roots of the polynomial are:

1) -2i

2) 1 + i

3) 1 - i

The polynomial with a root 2i and exactly 2 real roots is F(x)=x³-x² + 4x-4

Polynomials are sums of k-xⁿ terms, where k can be any number and n can be any positive integer.

3x+2x-5, for example, is a polynomial.

Given the polynomial function below

F(x)=x³-x² + 4x-4

Group

F(x)=(x³-x²) + (4x-4)

f(x) = x²(x-1)+4(x-1)

f(x) = (x²+4)(x-1)

If f(x) = 0

x²+4 = 0 and x -1. = 0

x² = -4 and x = 1

x = ±2i and -1

Hence polynomial with a root 2i and exactly 2 real roots is F(x)=x³-x² + 4x-4

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complete question:

Which of the following options is a polynomial with a root 2i and exactly 2

real roots?

A. F(x)=x²-x²³ +2x² - 4x-8

B. F(x)=x²-x² + 4x-4

C. F(x)=x²-x³-6x² +4x+8

OD. F(x)= x³ + x² + 4x+8

It follows that the translation direction is 8 units to the left and 0 units up or down.

A translation is a geometric change in Euclidean geometry where each point in a figure, shape, or space is moved uniformly in one direction. A translation can either be thought of as moving the origin of the coordinate system or as adding a constant vector to each point

The new vertices of a triangle with vertex locations of (0,0), (1,0), and (0,1), for instance, would be (2,3, (3,3), and (2,4) if the triangle were translated 2 units to the right and 3 units up.

We can use the following procedures to get the translation direction and number of units for R′(7, 4):

1. Determine the difference between R and R′'s x-coordinates:  −7 − 1 = 8

2. Determine the difference between R and R′'s y coordinates: 4 − 4 = 0

It follows that the translation direction is 8 units to the left and 0 units up or down.

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The measure of  angle CFE is determined as 29⁰.

The measure of angle CFE is calculated by applying the following formula.

The intersecting chord theorem, also known as the intersecting chords inside and outside theorem, is a geometric property that applies to chords (line segments that connect two points on the circumference of a circle) that intersect inside or outside a circle.

Based on the angle of intersecting chord theorem, we will have the following equation.

m∠CFE = ¹/₂( arc angle CE )

arc CE = 360 - 302 (sum of angles in a circle)

arc CE = 58⁰

m∠CFE = ¹/₂ x 58

m∠CFE = 29⁰

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The value represented by the digit in the ten thousands place is 10 times greater than the value represented by the digit in the thousands place.

What is algebra?

Algebra is a branch of mathematics that deals with mathematical operations and symbols used to represent numbers and quantities in equations and formulas. It involves the study of variables, expressions, equations, and functions.

The value represented by the digit in the ten thousands place is 4 times greater than the value represented by the digit in the thousands place.

To see why, we can look at the place value of each digit. The digit in the ten thousands place represents a value of 4 x 10,000 = 40,000. The digit in the thousands place represents a value of 4 x 1,000 = 4,000.

Therefore, the value represented by the digit in the ten thousands place is 40,000/4,000 = 10 times greater than the value represented by the digit in the thousands place.

So, the value represented by the digit in the ten thousands place is 10 times greater than the value represented by the digit in the thousands place.

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Therefore, the wire Ryan wants to walk is approximately 107.9 ft long.

Trigonometric functions are mathematical functions that relate the angles of a right triangle to the lengths of its sides. The most commonly used trigonometric functions are sine, cosine, and tangent, often abbreviated as sin, cos, and tan respectively.

The sine function (sinθ) gives the ratio of the length of the side opposite an angle θ in a right triangle to the length of the hypotenuse (the longest side). The cosine function (cosθ) gives the ratio of the length of the adjacent side to θ to the length of the hypotenuse, while the tangent function (tanθ) gives the ratio of the length of the opposite side to θ to the length of the adjacent side.

Other trigonometric functions include cosecant (cscθ), secant (secθ), and cotangent (cotθ), which are the reciprocals of the sine, cosine, and tangent functions, respectively.

A represents the top of the tower, B represents the point where the wire is attached 30 ft away from the tower, and the wire itself is represented by the line segment AB. The angle between the wire and the ground is θ, and we want to find the length of the wire, which is represented by y.

We can use the trigonometric function tangent to relate the angle θ to the sides of the triangle:

tan(θ) = y/x

Solving for y, we get:

y = x * tan(θ)

We know that x = 30 ft, and θ = 74º, so we can plug those values in and calculate y:

y = 30 ft * tan(74º) = 107.9 ft (rounded to the nearest tenth)

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Answer:

33 thats with the 1 dollar subtracted for the entry fee

Step-by-step explanation:

first you add all the number of marbles you have then you get 41 then divide it by 12 because you have 2 gold and 10 silver and you get 3.4 and multiply that by 10 because its 6 and 4 and you get 34 subtract the entry fee

The depreciation expense for each year is 1,000,000 shs.

Accumulated depreciation up to year 6 is 6,000,000 shs.

The depreciation using the straight line method is given by the formula:

Depreciation expense per year = (Initial cost - Salvage value) / Useful life

Initial cost = 5,000,000 + 800,000 + 1,500,000 = 7,300,000 shs.

Salvage value = 1,300,000 shs.

Depreciation expense per year = (7,300,000 - 1,300,000) / 6

                                                    = 6,000,000 / 6

                                                    = 1,000,000 shs.

Thus, the depreciation expense for each year is 1,000,000 shs.

Accumulated depreciation up to year 6 = Depreciation expense per year * Number of years

Accumulated depreciation up to year 6 = 1,000,000 * 6 = 6,000,000 shs.

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Answer: radius is 11/8

Step-by-step explanation:

diameter = 2r

2 3/4 = 11/4

11/4=2r

r=11/8

Answer:

40 m²

Step-by-step explanation:

Area of triangle:

To find the area of triangle, multiply the base and area and then divide it by 2.

      base = b = 8 m

height      = h = 10m

      [tex]\boxed{\bf Area \ of \ triangle = \dfrac{1}{2}*b*h}[/tex]

                                     [tex]= \dfrac{1}{2}*8 * 10\\\\= 4 * 10\\\\= 40 \ m^2[/tex]

Answer:

The quotient of 837 divided by 26 is approximately 32.2692 (rounded to four decimal places).

You will need 274,560 cubic inches of concrete to replace all the stairs in front of your house.

What is volume?

A volume is simply defined as the amount of space occupied by any three-dimensional solid. These solids can be a cube, a cuboid, a cone, a cylinder, or a sphere. Different shapes have different volumes.

To determine the volume of concrete needed for each stair, we can use the formula:

Volume = height x depth x width

Here, the height of each stair is 11 inches, the depth is 12 inches, and the width is the width of the stair (which is not given). Let's assume the width of each stair is 40 inches (as shown in the diagram).

So, the volume of concrete needed for each stair is:

Volume = 11 x 12 x 40 = 5,280 cubic inches

Since there are a total of 52 stairs that need to be replaced, we can find the total volume of concrete needed by multiplying the volume of one stair by the total number of stairs:

Total volume = 5,280 x 52 = 274,560 cubic inches

Therefore, you will need 274,560 cubic inches of concrete to replace all the stairs in front of your house.

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Answer:

D 1/8

Step-by-step explanation:

48/6 = 8

Hence, the fraction must be 1/8

This is because when 6 is divided by 1/8,

6/(1/8)

= 6 * 8

= 48

Hence, the answer is D. 1/8

Hope this helps and be sure to mark this as brainliest! :)

Answer:

1/8

Step-by-step explanation:

6 ÷ x = 48

Multiply each side by x.

6 ÷ x *x = 48*x

6 = 48x

Divide each side by 48

6/48 = 48x/48

1/8 = x