Write the quadratic equation given the points (-1,0), (-4, 0), and (1, 10).
O g(x) = x² + 5x +4
Og(x)=x²-5x +4
O g(x)=x²-5x - 4
O g(x)
g(x) = x² + 4x + 4

The coordinates of each point on the figure are given as follows:

The general format of an ordered pair is given as follows:

(x,y).

In which the coordinates are given as follows:

Hence the coordinates for the triangle in this problem are given as follows:

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well, you can look at it this way, if you bend down and put your eye on the angle, the side that you will see across the triangle is going to be the opposite side, so the opposite side is always the side facing off the angle.  The adjacent side, is the "adjacent" or "next to" the angle, well, the opposite is across the expanse so is not touching the angle, so the other side that's not slanted is the adjacent or next to the angle.

In this case if we put our eye on the vertex A, what's across the expanse is BC, so the adjacent must be AB.

[tex]\tan(A )=\cfrac{\stackrel{opposite}{7}}{\underset{adjacent}{24}}[/tex]

Rounding to the nearest hour, it would take the rocket approximately 8 hours to travel to the moon at a speed of 500 miles per minute.

The amount of time it takes a rocket to travel to the moon, we need to divide,

the distance between the earth and the moon (239,000 miles) by the speed of the rocket (500 miles per minute).
So, the calculation would be:

239,000 miles ÷ 500 miles per minute = 478 minutes
To convert this into hours, we need to divide by 60:
478 minutes ÷ 60 = 7.97 hours

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The 95% confidence interval for the proportion of people who prefer Candidate A is  0.8 ± 0.080.

Confidence Interval = Sample Proportion ± Margin of Error

We first determine the values for each term:

Sample Proportion = Number  / Total sample size

Sample Proportion = 68/85

Sample Proportion  = 0.8

Standard Error = √((Sample Proportion  * (1 -Sample Proportion )) / n)

n =  sample size

Standard Error = √((0.8 * (1 - 0.8)) / 85)

Standard Error = 0.041

We then calculate the Margin of Error = Critical Value * Standard Error Margin of Error = 1.96 * 0.041

Margin of Error = 0.080

We substitute all these values and calculate for :
Confidence Interval = Sample Proportion ± Margin of Error

Confidence Interval = 0.8 ± 0.080

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Step-by-step explanation:

.94x  = x-1

.06x = 1

x = 16 2/3     which is not a whole number so there must be at LEAST 17 people in class

   then if one is a boy   there are 16 girls    16/17 = 94.11 % girls   with one boy

Based on Pythagorean's theorem, the lengths of the sides of △OPR are:

In Mathematics and Geometry, a perpendicular bisector bisects or divides a line segment exactly into two (2) equal halves and forms an angle that has a magnitude of 90 degrees at the point of intersection.

Since line segment OS bisects line segment PQ, we have the following:

x = QR = 35 units.

y = z + 25

By applying Pythagorean's theorem, we have the following:

x² + z² = y²

(z + 25)² = 35² + z²

z² + 50z + 625 = 1,225 + z²

50z = 1,225 - 625

50z = 600

z = 600/50

z = 30 units.

y = z + 25

y = 30 + 25

y = 55 units.

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Complete Question:

O is the centre of the circle. x, y, and z indicate the lengths of the sides of △OPR. Find with reasons the values of the following:

1.1.1   x

1.1.2  z

1.1.3  y

Answer:

Dang, too difficult. Anyways,

In a right triangle, if one angle is 45 degrees, it means that the other two angles must be 45 degrees as well, making it an isosceles right triangle. Given that the length of one leg is 4√2 m, we can determine the lengths of the missing sides using the properties of an isosceles right triangle.

Since an isosceles right triangle has two equal legs, the lengths of the vertical leg and horizontal leg will be the same. Let's denote the length of each leg as "m."

Using the Pythagorean theorem, we can find the length of the hypotenuse (the side opposite the right angle) in terms of "m":

hypotenuse^2 = leg^2 + leg^2

hypotenuse^2 = m^2 + m^2

hypotenuse^2 = 2m^2

To find the length of the hypotenuse, we take the square root of both sides:

hypotenuse = √(2m^2) = √2 * m

In summary, for the given isosceles right triangle with one leg measuring 4√2 m, both the vertical leg and horizontal leg will have a length of "m," while the length of the hypotenuse will be √2 * m.

Levi placed 10 weights on the scale, each weighing 0.7 grams. The total weight of the weights is 7 grams. Therefore, the scale will read 7 grams.

Levi placed 10 weights on the scale, and each weight weighed 0.7 grams. To find the total weight, we need to multiply the weight of one weight by the number of weights. Therefore, the total weight of the weights is 0.7 x 10 = 7 grams. This means that the scale will read 7 grams.

The principle behind this calculation is the law of conservation of mass. This law states that the total mass of a closed system remains constant, regardless of any changes that take place within the system. In this case, the system is the scale and the weights. Since the scale is a closed system, the total mass of the weights placed on it must be equal to the reading on the scale.

Therefore, when Levi placed 10 weights on the scale, the total weight of the weights is 7 grams, and the scale will read 7 grams. This calculation can be used to determine the weight of any number of objects placed on a scale, as long as the weight of one object and the number of objects are known.

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The formula A = πrl represents the curved surface area of a cone, where r is the radius of the base of the cone and l is the slant height.

The curved surface area of a cone is the area of the lateral or side surface of the cone. It is called curved because the surface of the cone is not flat but rather curved, like the surface of a curved cylinder. To derive this formula, we can first imagine a cone with a base that has a circumference of 2πr, where r is the radius of the base. If we cut along a generator line of the cone, we can then unroll the curved surface of the cone to form a sector of a circle with radius l and central angle 2π. The area of this sector is πl^2, which represents the total area of the curved surface of the cone. We can simplify this formula to A = πrl by substituting the value of l with the Pythagorean theorem, l^2 = r^2 + h^2, where h is the height of the cone.

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The simplification of the given terms is 14.25 or 114/8

A numerical expression is a piece of algebraic information stated in the form of numbers and variables that are unknown.

We are given that 6 times 2 wholes 3/8

Let the number be x

So,6 times 2 wholes 3/8 means;

x = 6 x 2 3/8

x = 6 x 19/8

x = 14.25 or 114/8

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An increasing monotonic sequence is a sequence of numbers in which each term is greater than or equal to the preceding term.

We have,

An increasing monotonic sequence is a sequence of numbers in which each term is greater than or equal to the preceding term.

In other words,

The sequence is monotonically increasing, with no decreasing terms.

For example,

The sequence {1, 3, 5, 7, 9, ...} is an increasing monotonic sequence, as each term is greater than the one before it.

Thus,

An increasing monotonic sequence is a sequence of numbers in which each term is greater than or equal to the preceding term.

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The complete question

Increasing monotonic sequence:

The values given in scientific notation should be ordered from least to greatest as follows;

Generally speaking, any numerical data (number) can be written in scientific notation as shown below:

a × b^{n}

Where

Next, we would sort the given numerical data (number) in scientific notation from least to greatest as follows:

Scientific notation = 2.44 × 10⁻⁹ = 0.00000000244

Scientific notation = 1.05 × 10⁻⁶ = 0.00000105

Scientific notation = 3.75 × 10⁴ = 0.000375

Scientific notation = 1.49 × 10⁸ = 149,000,000

Scientific notation = 3.81 × 10⁸ = 381,000,000

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There are 1234 t shirts that need to be shipped. To ship 1234 t-shirts, a total of 39 boxes are required, as each box can hold 32 t-shirts.

To calculate the number of boxes required to ship 1234 t-shirts, we need to divide the total number of t-shirts by the number of t-shirts that can fit in one box. In this case, as each box can fit 32 t-shirts, we need to divide 1234 by 32.

Using long division, we can find that 32 goes into 1234, 38 times with a remainder of 10. However, we still have 10 t-shirts that need to be shipped, which means we need an additional box to fit them. Therefore, the total number of boxes needed to ship 1234 t-shirts is 39 (38 boxes to fit 1216 t-shirts and 1 additional box to fit the remaining 10 t-shirts).

It's always important to ensure that all the items fit comfortably in the boxes without any damage or risk of items falling out. In this case, we can also use this information to plan and optimize the shipping process by arranging the boxes according to the available storage and transportation capacity.

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The volume of the composite shaped solid is V = 26,133.33 cm³

Given data ,

To calculate the volume of the composite solid consisting of a cube and a square-based pyramid

Volume of a cube = (edge length)³

V ( cube ) = ( 28 )³

V ( cube ) = 21,952 cm³

Now , The volume of a pyramid is given by the formula:

Volume of a pyramid = (base area * height) / 3

Base area = ( 28 )²

Base area = 784 cm²

Now , V ( pyramid ) = ( 784 x 16 ) / 3

V ( pyramid ) = 4,181.33 cm³

So , volume of composite solid = 21,952 cm³ + 4,181.33 cm³

V = 26,133.33 cm³

Hence , the volume is V = 26,133.33 cm³

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a) the distance in picometers is 135 pm. b) the distance in picometers is 135 pm. c) The answer is 7.0 × 10^4 atoms. d) The volume of a single gold atom is 9.15 × 10^(-24) cm^3.

Part A:

1.35 Å = 0.135 nm (since 1 Å = 0.1 nm)

Therefore, the distance in nanometers is 0.135 nm.

Part B:

1.35 Å = 135 pm (since 1 Å = 100 pm)

Therefore, the distance in picometers is 135 pm.

Part C:

The length of one gold atom is 1.35 Å = 1.35 × 10^(-10) m.

The number of atoms required to span a distance of 9.5 mm = (9.5 × 10^(-3) m) / (1.35 × 10^(-10) m) = 70,370 atoms.

Rounding to two significant figures, the answer is 7.0 × 10^4 atoms.

Part D:

Assuming the gold atom is a sphere, its volume can be calculated as:

V = (4/3)πr^3, where r is the radius of the atom.

Substituting the value of the radius (1.35 Å = 1.35 × 10^(-10) m) gives:

V = (4/3)π(1.35 × 10^(-10))^3 = 9.15 × 10^(-30) m^3.

Expressing this in cubic centimeters gives:

V = 9.15 × 10^(-30) × 10^6 = 9.15 × 10^(-24) cm^3.

Therefore, the volume of a single gold atom is 9.15 × 10^(-24) cm^3.

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The given statement is false.

In a two-tailed hypothesis test for a population mean, where the population standard deviation is known, the critical values are the values that divide the alpha (significance level) into two equal-tailed regions.

For a 1% level of significance (alpha = 0.01), a two-tailed test allocates half of the alpha to each tail of the distribution. In this case, each tail will have an area of 0.01/2 = 0.005.

The critical values are determined by the standard normal distribution (z-distribution) or by the t-distribution (if the sample size is small and the population standard deviation is unknown). These critical values represent the number of standard deviations away from the mean that correspond to the desired level of significance.

The specific critical values will depend on the sample size, distribution type (z or t), and the desired level of significance. To obtain the critical values, one would consult a standard normal distribution table or a t-distribution table, depending on the case.

In summary, the critical values in a two-tailed hypothesis test do not necessarily divide the area under the standard normal curve into a middle 0.98 area and two outside areas of 0.01. The allocation of the alpha (significance level) is determined based on the desired level of significance, and the critical values are obtained from the appropriate distribution table.

Therefore, the given statement is false

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The equation of the polynomial is f(x) = x² + x - 6

To sketch the graph of a polynomial function with zeros at 2 and -3, we need to know the degree of the polynomial and potentially some additional information about the function.

For simplicity, let's consider a quadratic polynomial, which is a polynomial of degree 2. A quadratic polynomial can be written in the form:

f(x) = a(x - r)(x - s)

where "r" and "s" are the zeros of the polynomial and "a" is a constant coefficient.

Given that the zeros are 2 and -3, we have:

f(x) = a(x - 2)(x + 3)

To determine the specific shape of the graph, we need to know the value of the coefficient "a"

If we assume a = 1, the equation simplifies to:

f(x) = (x - 2)(x + 3)

Expanding this equation, we get:

f(x) = x² + x - 6

No we have a quadratic polynomial that we can graph. The graph of f(x) = x² + x - 6  will be a parabola

Hence , the equation is x² + x - 6 = 0

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first, you distribute, so

4a ([tex]a^{2}[/tex]+7a+4)

[tex]4a^{3}[/tex]+28[tex]a^{2}[/tex]+16a

and that's your answer! :)

thanks in advance for brainliest!!

4a(a^2+7a+4) can be simplified by multiplying 4a to each term inside the parenthesis:

4a(a^2+7a+4) = 4a * a^2 + 4a * 7a + 4a * 4

This gives us:

4a^3 + 28a^2 + 16a

Therefore, 4a(a^2+7a+4) simplifies to 4a^3 + 28a^2 + 16a.

To divide (a-3/7) by (3-a/21), we need to multiply the numerator by the reciprocal of the denominator.

Reciprocal of (3-a/21) is (21/(3-a))

So,

(a-3/7) / (3-a/21) = (a-3/7) * (21/(3-a))

Now, we can simplify by canceling out common factors between the numerator and denominator.

(a-3/7) * (21/(3-a)) = (3-a)(a-3)/(7*21)

= -(a^2 - 6a + 9)/147

= -(a-3)^2/147

Therefore, the quotient is -(a-3)^2/147.

The required equation of the circle is (x - 2)² + (y + 3)² = 10².

The standard form of the equation of a circle with center (h, k) and radius r is:

(x - h)² + (y - k)² = r²

Given that the center of the circle is (2, -3), so h = 2 and k = -3.

To find the radius r, we can use the distance formula between the center and the point on the circle:

r = sqrt((x - h)² + (y - k)²)

We are also given that point (8, 5) is on the circle.

Substituting the values of h, k, x, and y into the distance formula, we have:

r = √((8 - 2)² + (5 - (-3))²)

r = √(6² + 8²)

r = 10

Therefore, the equation of the circle in (x-h)² + ( y −k)² = r² form is:

(x - 2)² + (y + 3)² = 10²

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In the group of numbers given above, the largest and the smallest number in each group is given below respectively:

a.) -1 and -21

b.) -2 and -45

c.) 7 and -4

d.) -5 and -19

A number line is defined as the representation of numbers in the order of negative and positive numbers with zero at the center of the structure.

In a number line, the figures that are at the right of zero are the positive and larger numbers while the numbers that are on the left of zero are the negative numbers and are smaller numbers.

Therefore, -1 is greater than -2 which is in turn greater than -3.

Therefore the largest and smallest numbers of each number group respectively include the following

a.) -1 and -21

b.) -2 and -45

c.) 7 and -4

d.) -5 and -19

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Answer:

x=2

Step-by-step explanation:

4x+6=2x + 10 | -6

2x = 4 | /2

x=2

Answer:

Step-by-step explanation:

The total value of his quarters is Q x $0.25. Therefore, the combined value of his coins is:

$1.20 + Q x $0.25 = $4.75 - $3.55

Simplifying the equation, we get:

Q x $0.25 = $1.20 + $1.20

Q x $0.25 = $2.40

Q = $2.40 / $0.25

Q = 9.6

Since Q must be a whole number, the minimum number of quarters that Fabian could have is 10. (If he had only 9 quarters, the combined value of his coins would be $1.20 + $2.25 = $3.45, which is less than the required minimum of $4.75.)

The use of this figurative language helps to convey the theme of how memories can be fleeting and easily forgotten over time.

In paragraph 2, the author uses the figurative language of an "eraser on the end" to describe how time seems to fade away certain memories. The eraser is a symbol for forgetfulness, and the fact that it is on the end of something suggests that it is far away and difficult to reach.

This can be seen as a metaphor for how certain memories can become distant and hard to recall as time goes on.

Additionally, the eraser symbolizes how memories can be altered or erased entirely over time, much like how an eraser can remove pencil marks from paper.

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The correct statement about step 3 include the following: C. When the equation -3x − 5y = -5 is subtracted from -10x + 5y = -60, a third linear equation, -13x = -65, is formed, and it has a different solution from the original equations.

In order to determine the solution to a system of two linear equations, we would have to evaluate and eliminate each of the variables one after the other, especially by selecting a pair of linear equations at each step and then applying the elimination method.

Given the following system of linear equations:

2x - y = 12                .........equation 1.

-3x - 5y = -5               .........equation 2.

By multiplying the equation 1 by -5, we have:

-5(2x - y = 12) = -10x + 5y = -60

By adding the two equations together, we have:

-3x - 5y = -5

-10x + 5y = -60

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

-13x = -65

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We can use the fact that as x gets closer and closer to 0, the expression (1 + x)^1/x gets closer and closer to a certain value. The value of the limit to five decimal places is: 2.71828

One way to estimate this value is to use a calculator or computer program to evaluate the expression for smaller and smaller values of x, until we get a sense of what the limit might be. For example, we can plug in x = 0.001, 0.0001, 0.00001, etc., and see that the expression appears to be approaching a value of approximately 2.71828.

This value is actually a well-known mathematical constant called "e", which is approximately equal to 2.71828. Therefore, we can estimate the value of the limit lim (1 + x)^1/x to five decimal places as e, or approximately 2.71828.

To estimate the value of the limit lim (1 + x)^(1/x) as x approaches 0, we can use the fact that this limit is equal to the mathematical constant e.

lim (1 + x)^(1/x) as x -> 0 = e

e is approximately equal to 2.71828.

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The complete table:

                                     Unlikely    |       Equally   |    Likely

P(4)                                    _                        0                0

P(greater than 1)                _                        _                0

P(even)                              _                        0                0

Matching the outcomes to each event:

P(4): Equally likely. Each face of the cube has an equal chance of landing face up, so the probability of rolling a 4 is the same as the probability of rolling any other single number.

Therefore, P(4) is equally likely.

P(greater than 1): Likely. There are five faces that have a number greater than 1 (2, 3, 4, 5, and 6) and only one face that has a 1.

Therefore, the probability of rolling a number greater than 1 is much higher than the probability of rolling a 1, making it a likely outcome.

P(even): Equally likely. There are three even numbers (2, 4, and 6) and three odd numbers (1, 3, and 5) on the cube, so the probability of rolling an even number is the same as the probability of rolling an odd number.

Therefore, P(even) is equally likely.

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The area of the figure given above which is a trapezium would be = 384 in². That is option D.

To calculate the area of a trapezium, the formula that should be used is given below:

Area of cylinder = 1/2 (a+b) h

where;

a = 24 in

b = 16 in

h = 19.2 in

Area of cylinder = 1/2× (24+16) × 19.2

= 20×19.2

= 384 in²

Therefore the area of the given shape above which is a cylinder would be = 384 in^2

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Answer:

The age of this parrot is 16 years old, and this parrot knows 68 words.