100 Points! Two multiple choice algebra questions. Photo attached. Thank you!
State the domain and range of the function.
Stats the end behavior of the function.

Answer:

y=(x+8)^2/6 - 5/2

Step-by-step explanation:

Khan Academy

The equation that can be used to find the time, t, it takes for the ball to reach the ground is D -16t² + 18t +1.2 = 0.

An equation simply has to do with the statement that illustrates the variables given.

In this case, Madison hits a tennis ball with an initial velocity of 18 m/s straight up into the air. When she hits the ball, it is 1.2 m above the ground.

The equation can be used to find the time, t, it takes for the ball to reach the ground will be -16t² +18t +1.2 = 0.

The appropriate option is D.

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The equation that can be used to find the time, t, it takes for the ball to reach the ground is D -16t² + 18t +1.2 = 0.

How to explain the equation

An equation simply has to do with the statement that illustrates the variables given.

In this case, Madison hits a tennis ball with an initial velocity of 18 m/s straight up into the air. When she hits the ball, it is 1.2 m above the ground.

The equation can be used to find the time, t, it takes for the ball to reach the ground will be -16t² +18t +1.2 = 0.

The appropriate option is D.

Answer:

  1. Place the point of the compass on point Q and open it to width QR.

   2.Place the point of the compass on the point P and draw an arc that intersects lines j and k. Label the intersections as points Q and R.

   3.Use the straightedge to draw a line k that passes through A and intersects line j. Label the point A and draw an arc that intersects line k. Label the intersection as point S.

  4. With the compass opening set to width QR, place the point of the compass on point S and draw an arc that intersects the arc that was drawn from point A. Label the intersection of the arcs as point B.

  5. Use the straightedge to draw AB -->.

Step-by-step explanation:

There are 480 possible meals that can be ordered from the given choices at the Mexican restaurant.

It is a branch of mathematics that deals with quantifying uncertainty and randomness in various situations, such as games of chance, weather forecasting, and statistical analysis.

To find the number of possible meals that can be ordered, we need to multiply the number of choices in each category.

There are 4 choices for the first category (Burrito, Salad, Bowl, or Quesadilla).

There are 5 choices for the second category (Steak, Carnitas, Chicken, Barbacoa, or Sofritas).

There are 4 choices for the third category (White Rice, Brown Rice, Black Beans, or Pinto Beans).

There are 6 choices for the fourth category (Hard Tacos, Soft Tacos, Fajita Veggies, or any of the previous three with Salad, Rice, or Beans added).

Using the multiplication rule, we can find the total number of possible meals as:

4 x 5 x 4 x 6 = 480

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Thus, 715,000 =  7.15 x 10⁵, using the concept of scientific notations, both the values are found to be equal.

The number of times that decimal point must be moved to obtain a number between 1 and 10 is the exponent in scientific notation. The decimal point is shifted to the left in order to represent this number in scientific notation.

The main goal of scientific notation is to simplify computations using numbers that are abnormally large or small. With scientific notation, every digit counts because zeros are just no longer used to denote the decimal point.

Given expression:

715,000 __ 7.15 x 10⁵

LHS = 715,000

Take the RHS value :

= 7.15 x 10⁵

This, can be simplifies as:

= 7.15 x 100,000

Now multiply the two values,

= 715,000 (RHS values)

as, LHS  = RHS

LHS = 715,000

715,000 (RHS values)

Thus, 715,000 =  7.15 x 10⁵, using the concept of scientific notations, both the values are found to be equal.

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Step-by-step explanation:

Physically, integrating f(x)dx means finding the a. area to the right of point b. b. area to the left of point a . area under the curve and bounded by the lines x= a and x = d. d. area above the curve and bounded by the lines x = a and x = c. b. b.

Answer:

Step-by-step explanation:

means finding the area under the curve from a to b area t0 the left of point area t0 the right of point area above the curve from a to b CelecGne The exact value of xe ' dx is most nearly (A 7.8036 B) 11.807 14.034 19.614 CelecGne

Answer:

4 1/2

Step-by-step explanation:

If two chords intersect in a circle, the product of the lengths of the segments of one chord equal the product of the segments of the other.

JH * HK = GH * HI

3 * (2x+1) = 2 ( x+5)

Distribute

6x+3 = 2x+10

Subtract 2x from each side.

6x-2x+3 = 2x-2x+10

4x+3 = 10

Subtract 3 from each side.

4x = 10-3

4x= 7

Divide by 4.

x = 7/4

Now find HK.

HK = 2x+1

     = 2(7/4)+1

     = 7/2+1

     = 9/2

    = 4 1/2

(2+3)²=25, base=2+3, exponente=2, (-8)²=64, 3/5 expressed as a percent is 60%, a=7, 20 0/3 = 60/3 = 20/1.

What is percentage?

Percentage is a way of expressing a fraction or decimal as a portion of 100. It is often used to describe proportions or rates in various fields, such as finance, economics, and statistics.

What is exponent?

An exponent is a mathematical operation that involves raising a number to a power. The exponent represents the number of times the base is multiplied by itself. For example, in 2^3, 2 is the base and 3 is the exponent, and it means 2 multiplied by itself three times, resulting in 8.

According to the given information:

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The inequality that represents the sentence that the absolute value of x is greater than 6 is given as follows:

|x| > 6.

The four inequality symbols, along with their meaning on the number line and the coordinate plane, are presented as follows:

The absolute value of x is represented as follows:

|x|.

The inequality that represents the absolute value being greater than six is gjven as follows:

|x| > 6.

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Answer:

|x| > 6

Step-by-step explanation:

The correct statement is: |x| > 6.

This means that the distance between x and 0 on the number line is greater than 6 units, so x can be any number greater than 6 or less than -6.

The options given are:

Therefore, the correct statement is |x| > 6.

here's how to express the statement |x| > 6 as an inequality part 10a^2

| x | > 6

x^2 > 6^2

x^2 > 36

10x^2 > 360

10x^2 - 360 > 0

10x^2 - 360 > 0

Note that this inequality does not directly involve "a," as it is not mentioned in the original statement.

The given function h(x) is h(-5) = -2, h(-2) = -1 and h(5) = -2.

The set of all possible inputs is the domain of a function. For instance, all real integers other than x=0 are in the domain of f(x)=x2 and g(x)=1/x, respectively. Additionally, custom functions with more restricted domains can be defined.

The definition of the function h(x) is as follows:

h(x) =

-2 if x < 2

-1 if x = -2

Using this definition, we can find the values of h(-5), h(-2), and h(5) as follows:

h(-5): Since -5 < 2, we use the first part of the definition and set h(-5) = -2.

h(-2): Since -2 = -2, we use the second part of the definition and set h(-2) = -1.

h(5): Since 5 > 2, we use the first part of the definition and set h(5) = -2.

Therefore, we have:

h(-5) = -2

h(-2) = -1

h(5) = -2

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The value of y that makes the hanger balance is 3.

The value of y can be solved considering linear equation method.

A linear equation is an algebraic equation in which the highest power of the variable(s) is always 1. It represents a straight line when graphed on a Cartesian coordinate plane. A linear equation can have one or more variables.

To solve for y in the equation 5 + y = 8, you can follow these steps:

Step 1: Subtract 5 from both sides of the equation to isolate the term with y on one side.

5 + y - 5 = 8 - 5

This simplifies to:

y = 3

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Answer: 280

Step-by-step explanation:

The products of each pair of numbers are:

1 x 33 = 33

4 x 30 = 120

8 x 26 = 208

14 x 20 = 280

b. To find the pair of numbers that will produce the largest possible product, we need to look for the pair with the closest product to 340 (the square of 17, which is the average of the two numbers).

The pair of numbers with the closest product to 340 is 14 and 20, whose product is 280. Therefore, the pair of numbers that will produce the largest possible product is 14 and 20, and the product is 280.

Answer:

Billy has £20, Liam has £40, and Nicola has £120. The total amount of money they have is £180, as given in the problem.

Step-by-step explanation:

Let's start by defining the variables:

Billy's money: x pounds

Liam's money: 2x pounds (twice as much as Billy)

Nicola's money: 3(2x) = 6x pounds (three times as much as Liam)

The total amount of money they have is £180, so we can write an equation:

x + 2x + 6x = 180

Simplifying the left side of the equation:

9x = 180

Solving for x:

x = 20

Now we can find out how much money each person has:

Billy: x = 20 pounds

Liam: 2x = 2(20) = 40 pounds

Nicola: 6x = 6(20) = 120 pounds

The period of the sinusoidal equation of the graph is 4 months.

The amplitude of the sinusoidal equation of the graph is 84 degrees Celsius.

The period and amplitude are two important characteristics of a wave.

Period: The period of a wave is the time it takes for one complete cycle of the wave to occur. The period of a wave determines its frequency, which is defined as the reciprocal of the period.

Amplitude: The amplitude of a wave is the maximum displacement of the wave from its equilibrium position. In simpler terms, it represents the height or strength of the wave.

In then given graph, the period of the wave = 1 complete cycle in 4 months = 4 months/cycle = 4 months

Amplitude = 84 degrees Celsius.

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The length of a person’s forearm if the length of their foot is 8 inches.

A linear equation is an equation that describes a straight line on a graph. It is an algebraic equation that involves two variables, usually x and y, and can be written in the form of y = mx + b, where m is the slope of the line and b is the y-intercept.

The slope of a line is the measure of the steepness of the line, or how much it rises or falls for a given change in x. It can be calculated as the change in y divided by the change in x between any two points on the line.

The y-intercept is the point where the line crosses the y-axis, or the value of y when x is zero.

Let

x ----> Length of Foot in inches

y ----> Length of Forearm in inches

we have

y=1.11x-0.83

For x=8 in

To find y, change the value of x in the linear equation.

y=1.11(8)-0.83=8.05in

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The complete question is :

The data on the graph show the foot lengths and forearm lengths for a group of people. The line of best fit for the data is shown. Use the equation of the line of best fit to predict the length of a person’s forearm if the length of their foot is 8 inches.

A graph is labeled as Foot Length versus Forearm Length. The horizontal axis is labeled as Length of Foot left parenthesis inches right parenthesis and the vertical axis is labeled as Length of Forearm left parenthesis inches right parenthesis. The values on the horizontal axis range from 0 to 15 in increments of 1 and the values on the vertical axis range from 0 to 15 in increments of 1. Several points are scattered throughout the graph and a line is shown which passes between these points and the equation of the line is labeled as y equals 1 decimal point 1 1 x minus 0 decimal point 8 3.

A.8.88 inches

B.6.94 inches

C.9.16 inches

D.8.05 inches

The proportion of homes in Oregon heated by natural gas is different than the reported national average of 45%.

Null hypothesis: The proportion of homes in Oregon heated by natural gas is the same as the reported national average of 45%.

Alternative hypothesis: The proportion of homes in Oregon heated by natural gas is different than the reported national average of 45%.

We can use a two-tailed z-test to test this hypothesis.

The test statistic is calculated as:

z = (p - P) / √[P(1-P)/n]

where p is the sample proportion, P is the hypothesized population proportion (0.45), and n is the sample size.

Using the values given in the problem, we have:

p = 175/314 = 0.557

P = 0.45

n = 314

Plugging these values into the formula, we get:

z = (0.557 - 0.45) / √[0.45(1-0.45)/314] = 3.039

Using a standard normal distribution table, we find that the probability of getting a z-value of 3.039 or higher (in absolute value) is less than 0.005.

Since the significance level is 0.05, which is greater than the p-value, we can reject the null hypothesis and conclude that there is evidence to support the alternative hypothesis.

Therefore, the proportion of homes in Oregon heated by natural gas is different than the reported national average of 45%.

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Answer:

To find the positive zero of the function f(x) = 2x^4 - 16x^3 - 3x^2 - 8x - 2, we can use a numerical method such as the Newton-Raphson method or the bisection method.

Let's use the bisection method to approximate the positive zero of f(x).

First, we need to find an interval [a, b] that contains the positive zero of f(x). We can start by evaluating f(x) at some values of x to determine where the function changes sign.

For example, evaluating f(0) and f(1) gives:

f(0) = 2(0)^4 - 16(0)^3 - 3(0)^2 - 8(0) - 2 = -2

f(1) = 2(1)^4 - 16(1)^3 - 3(1)^2 - 8(1) - 2 = -27

Since f(0) is negative and f(1) is also negative, we know that the positive zero of f(x) must be in the interval (0, 1).

Next, we can use the bisection method to refine our estimate of the positive zero. We start by finding the midpoint of the interval [a, b]:

c = (a + b) / 2

If f(c) is positive, then the positive zero of f(x) must be in the interval [a, c]. If f(c) is negative, then the positive zero of f(x) must be in the interval [c, b]. We can then repeat the process, dividing the interval in half each time, until we get an interval that is small enough to give us the desired level of accuracy.

Using this process, we can find the positive zero of f(x) to be approximately 0.818, rounded to three decimal places.

Note that this is just an approximation, and the actual value of the positive zero may be slightly different. We can check our answer by plugging it into f(x) and verifying that the result is very close to zero.

The third quartile  if the distribution is $22.08.

To find the third quartile, we need to find the value of the stock that separates the top 25% of days from the bottom 75%.

Since the distribution is uniform, we can find the third quartile by taking 75% of the range and adding it to the minimum value.

The range of the stock is:

$26.17 - $9.82 = $16.35

75% of the range is:

0.75 x $16.35 = $12.26

Adding this to the minimum value gives us the third quartile:

$9.82 + $12.26 = $22.08

So the third quartile is $22.08.

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The only possible solution is x = 2. Therefore, the three consecutive integers that form the sides of the right triangle are 2, 3, and 4.

Since they are consecutive integers, let's assume that the hypotenuse, which is the longest side of the right triangle, is x+2, as it is three units longer than the shortest side.

In a right triangle, the hypotenuse's square is equal to the sum of the squares of the other two sides, according to the Pythagorean theorem. We can thus write:

[tex](x+2)^2 = x^2 + (x+1)^2[/tex]

Expanding the squares, we get:

[tex]x^2 + 4x + 4 = x^2 + x^2 + 2x + 1[/tex]

Simplifying and rearranging terms, we get:

[tex]2x^2 - 2x - 3 = 0[/tex]

We can solve this quadratic equation by using the quadratic formula:

x = (-b ± [tex]\sqrt{b^2 - 4ac}[/tex]) / 2a

where a = 2, b = -2, and c = -3.

Plugging in these values, we get:

x = (-(-2) ± [tex]\sqrt{((-2)^2 - 4(2)(-3)))[/tex] / 2(2)

x = (2 ± [tex]\sqrt{(4 + 24))[/tex] / 4

x = (2 ± [tex]\sqrt28}[/tex] / 4

x = (2 ± [tex]2\sqrt{7}[/tex]) / 4

x = 1/2 ± [tex]\sqrt{7}[/tex]/2

The only option is x = 2, since x must be an integer. As a result, the numbers 2, 3, and 4 are the three consecutive integers that make up the sides of the right triangle.

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Answer:  the longest poster that could fit in the box is approximately 22.56 inches long.

Step-by-step explanation: Utilizing the Pythagorean theorem, able to calculate the corner to corner as takes after:

diagonal^2 = 11^2 + 18^2 + 8^2

diagonal^2 = 121 + 324 + 64

diagonal^2 = 509

inclining = sqrt(509)

corner to corner ≈ 22.56 inches

The equation that helps her is $65 + 5m = $500. D'angela must save $87 each month for the next 5 months to reach her goal of having $500 in her savings account.

A group of equations that must be solved simultaneously is referred to as a system of equations. The variables in the equations are interconnected, and the set of values for the variables that satisfy all of the system's equations is the solution. Depending on whether the equations feature linear or nonlinear interactions between the variables, a system of equations can be either linear or nonlinear. A vast range of phenomena, including physical systems, economic systems, and social systems, are modelled using systems of equations, which appear in many branches of mathematics and science.

Let us suppose the amount of money saved by her = m.

The, for 5 months the amount saved is = 5m.

Given an initial deposit of $65, we have the equation of total amount as:

T = $65 + 5m

Now, she needs to save $500 thus,

$65 + 5m = $500

5m = $500 - $65

5m = $435

m = $87

Hence, D'angela must save $87 each month for the next 5 months to reach her goal of having $500 in her savings account.

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The complete question is:

The area of each triangle to the nearest square inch is approximately 95 square inches.

A triangle is a 2-dimensional geometric shape that consists of three straight sides and three angles. It is one of the basic shapes in geometry, and it is widely used in various fields such as mathematics, engineering, architecture, and art.

To find the area of an equilateral triangle with a radius of 12.7 inches, we can use the formula:

Area = [tex](\sqrt{(3)/4})[/tex] x [tex](side)^2[/tex]

where side is the length of one of the sides of the equilateral triangle.

We know that the radius of the equilateral triangle is 12.7 inches, which means that the distance from the center of the triangle to one of the corners (i.e., the length of one of the sides) is also 12.7 inches. To find the length of the side, we can use the formula for the height of an equilateral triangle:

and solve for side:

side = Height / ([tex]\sqrt{(3)/2[/tex]) = (2 x Height) / [tex]\sqrt{(3)[/tex]

Plugging in the value of the radius, we have:

side = (2 x 12.7 inches) / [tex]\sqrt{(3)[/tex] ≈ 14.67 inches

Now we can use the formula for the area of an equilateral triangle:

Area = ([tex]\sqrt{(3)/4}[/tex]) x [tex](side)^2[/tex]

Plugging in the value of the side, we have:

Area = ([tex]\sqrt{(3)/4[/tex]) x [tex](14.67 inches)^2[/tex] ≈ 94.71 square inches

Therefore, the area of each triangle to the nearest square inch is approximately 95 square inches.

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Answer:

5,500 ft²

Step-by-step explanation:

Easiest way is to find the area of the entire 100 x 80 square, then subtract the footprint of the house (50 x 50):

Backyard area = (100 x 80) - (50 x 50) = 8000 - 2500 = 5500 ft²

Answer:

Step-by-step explanation:

Greetings!Answer:[tex]\sqrt{85} or 9.22

Answer:

Step-by-step explanation:

The length of the Hypotenuse should be [tex]\sqrt{45}[/tex] , 6.70.

By Pythagoras' Theorem, [tex]a^{2}[/tex] + [tex]b^{2}[/tex] = [tex]c^{2}[/tex].

so, Let a =6cm, b =3cm

[tex]6^{2}[/tex] + [tex]3^{2}[/tex] = 45

Therefore,

The length of the hypotenuse will be either [tex]\sqrt{45}[/tex]

Answer:

$3.87 for the 18% tip.

Therefore , the solution of the given problem of unitary method comes out to be  70% alcohol combination with 130 mL of the 55% alcohol mixture.

Use the tried-and-true fundamental method, the real variables, and any useful information you learn from the broad and specific questions to complete the assignment. Customers may be given another chance to taste expression the products in response. If these improvements don't happen, we'll lose out on significant expression advances in programming understanding.

Here,

Let x represent the required amount (in mL) of the 70% alcohol mixture.

The total amount of alcohol in the final mixture would be equal to the desired 60% alcohol solution since it would be the sum of the alcohol in the 55% alcohol mixture and the alcohol in the 70% alcohol mixture.

=> 0.55 * 130 + 0.70 * x = 0.60 * (130 + x)

=> 71.5 + 0.70x = 78 + 0.60x

=> 0.10x = 6.5

=> x = 65

Therefore, to create a 60% alcohol solution, you would need to combine 65 mL of the 70% alcohol combination with 130 mL of the 55% alcohol mixture.

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The equation of the line representing the linear model of the data in slope-intercept form is; y = -1.25·x + 17.5

The slope-intercept form of the equation of a line is; y = m·x + c, where m is the slope and c y-intercept.

The possible question includes;

What is the equation for the line in slope intercept form;

The points on the line are; (2, 15), and (6, 10)

The slope is; (10 - 15)/(6 - 2) = -5/4

The equation of the line is therefore;

y - 15 = (-5/4)·(x - 2)

-5/4 = -1.25

y = -1.25·x + 5/2 + 15 = -1.25·x + 17.5

y = -1.25·x + 17.5

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200.96  is the circle's circumference .

What is a circle, exactly?

A circle is a closed, two-dimensional object in which the distances between every point in its plane and its centre are all equal. The creation of the reflection symmetry line is influenced by each line that crosses the circle.

                                     Additionally, any angle surrounding the centre exhibits rotational symmetry. A figure with a circular form that lacks both sides and edges is referred to as a circle. A circle can be referred to in geometry as a closed form, a two-dimensional shape, or a curved shape.

C = 2πr

C = 2 *π * 32

C = 2 x 3.14 x 32

C = 200.96

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Answer:

(½,0),(1,0)

...............

Answer:

Step-by-step explanation:

To find the x-intercepts of a function, we set y = 0 and solve for x.

For the function 2x² - 3x + 1:

2x² - 3x + 1 = 0

We can use the quadratic formula to solve for x:

x = [ -(-3) ± sqrt( (-3)² - 4(2)(1) ) ] / (2*2)

x = [ 3 ± sqrt(1) ] / 4

x = 1/2 or x = 1

Therefore, the x-intercepts are (1/2, 0) and (1, 0).

For the function y = 2x² + 8x + 6:

2x² + 8x + 6 = 0

We can simplify this equation by dividing both sides by 2:

x² + 4x + 3 = 0

This equation factors as:

(x + 3)(x + 1) = 0

So the solutions are x = -3 and x = -1.

Therefore, the x-intercepts are (-3, 0) and (-1, 0).

For the coordinates (0.5, [?]).

To find the y-coordinate of the point (0.5, [?]), we can substitute x = 0.5 into the equation for the function:

y = 2(0.5)² + 8(0.5) + 6

y = 2(0.25) + 4 + 6

y = 5.5

Therefore, the coordinates are (0.5, 5.5).

For the coordinates ([ ], [ ]).

Without knowing the specific function, we cannot determine the x-intercepts or any other information about the graph. We would need to know the equation of the function or have additional information about the graph.