8. the z-table gives the area under the standard normal curve to the left of z. what does the t-table give?

The transformed function is f(x)=(-2*((x+5)²)-3) and green is graph.

The vertical shift depends on the value of k. The vertical shift is described as follows:

g(x) = f (x) + k - The graph is shifted up k units.

g(x) = f (x) − k - The graph shifts down units.

we have,

f(x)=x²

reflected in the x-axis

f(x)=-(x)²

vertically stretched by a factor of 2

f(x)=2*x²

shifted five units to the left

f(x)=(x+5)²

shifted three units to dawn

f(x)=x²-3

we can write all together

f(x)=(-2*((x+5)²)-3)

graphing red original function green is transformed function.

the complete question is-

The graph of f(x) = x^2 is reflected in the x-axis, vertically stretched by a factor of 2, shifted five units to the left, and shifted three units down.

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The probability that among 250 randomly selected subjects treated with the drug, exactly 10 of them experience nausea is 0.1317, or 13.17%

The number of subjects experiencing nausea follows a binomial distribution with parameters n=250 (number of trials) and p=0.1 (probability of success, i.e., experiencing nausea). The probability of exactly k subjects experiencing nausea is given by the probability mass function:

where (n choose k) is the binomial coefficient "n choose k", which represents the number of ways to select k subjects out of n.

Using this formula with n=250, p=0.1, and k=10, we get:

This gives a probability of approximately 0.1317, or 13.17%.

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The value of x is equal to 4.8 units.

In Mathematics and Geometry, the volume of a triangular prism can be determined or calculated by using the following formula:

Volume = base area × height of the prism.

Assuming the variable x represent the length of one side of its base. Since the height of this triangular prism measures 11 units and its volume measures 130.9 cubic units, the value of x can be determined as follows;

Base area of triangle = 1/2 × x × 5

Base area of triangle = 5x/2 square units.

Volume of triangular prism = base area × height of the prism.

130.9 = 5x/2 × 11

130.9/11 = 5x/2

11.9 = 5x/2

5x = 23.8

x = 4.8 units.

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Missing information:

The question is incomplete and the complete question is shown in the attached picture.

The new coordinates would be

W' (12 , 6)

X'( 24 , 18 )

Z'(24 ,6 )

What exactly does coordinate geometry mean?

The term "coordinate geometry" refers to the study of geometry using coordinate points (or analytic geometry). Calculating distances between points, segmenting lines into m:n pieces, finding a line's midpoint, figuring out a triangle's area in the Cartesian plane, and other operations are all achievable with coordinate geometry.

Remember that the rule for a dilation by a factor of k about the origin is

 (x,y) = (kx, ky)

Identify the coordinates of the points W, X and Z. Then, apply a dilation by a factor of 3 about the origin to find W', X' and Z', the new coordinates after the dilation.

  w = (4,2)

   x = ( 8, 6 )

   z = ( 8,2)

Apply a dilation by a factor of 3:

  W(4,2) ⇒ W'(3 * 4, 3 * 2) = W' (12 , 6)

 X(8 ,6 ) ⇒ X'(3 * 8 , 3 * 6 ) = X' ( 24 , 18 )

 Z(8 , 2 ) ⇒ Z'(3*8 , 3 * 2) = Z'(24 ,6 )

Therefore, the new coordinates would be

W' (12 , 6)

X'( 24 , 18 )

Z'(24 ,6 )

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Slope intercept form of the given equation is y=16/5x-16/5

The line with m as the slope, m and c as the y-intercept is the graph of the linear equation y = mx + c. where, m and c are real integers in the slope-intercept form of the linear equation.

The slope, m, refers measure of how steep a line is. Sometimes, the gradient of a line is referred to as its slope. A line's y-intercept, ab, the y-coordinate of the location where the line's graph crosses the y-axis.

16x-5y=16

Writing equation in slope intercept form

16-5y=16

-5y=16-16x

y=16/-5 +16/5x

y=16/5x-16/5.

hence, Slope intercept form of the given equation is y=16/5x-16/5

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Answer:

Step-by-step explanation:

look get 8 then 7 then you get 5 and luh tyler.

The best interpretation of the interval is: We are 95% confident that the mean time for response is between 2.8 minutes and 12.3 minutes. Option D is correct

A confidence interval is a measure of how accurately an estimate (such as the sample average) corresponds to the actual population parameter. It is a range of values that the researcher believes is very likely to include the actual value of the population parameter.

Here, a 95 percent confidence interval for the mean time, in minutes, for a volunteer fire company to respond to emergency incidents is determined to be (2.8. 12.3). Thus, we can say that we are 95% confident that the mean time for response is between 2.8 minutes and 12.3 minutes. Therefore, option D is correct.

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The equation of the line that passes through (6,6) and is parallel to 3x - 2y = 4 is y = (3/2)x - 3.

The formula for equation of line is expressed as;

y = mx + b

Where m is slope and b is y-intercept.

To find the equation of the line passing through (6,6) that is parallel to 3x - 2y = 4.

We need to find the slope of the given line first.

3x - 2y = 4

-2y = -3x + 4

y = (3/2)x - 2

The slope of the given line is 3/2.

Since the line we want to find is parallel to this line, it will have the same slope.

Therefore, we can use the point-slope form of the equation of a line to write the equation:

y - y1 = m( x - x1 )

Plug in m = 3/2 and (x1,y1) : (6,6)

y - 6 = (3/2)(x - 6)

Simplifying:

y - 6 = (3/2)x - 9

y = (3/2)x - 3

Therefore, the equation of the parallel line is y = (3/2)x - 3.

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Answer:

1.45 pounds

Step-by-step explanation:

6.6 divided by 4

The perimeter of an isosceles triangle is the sum of the length of the sides. In this case, the perimeter is 56 inches. The ratio of the sides is [tex]5:4.[/tex]

To calculate the lengths of the sides and base, we need to first calculate the lengths of the two equal sides. To do this, divide the perimeter (56 inches) by the sum of the ratio (5 + 4) which is 9. This gives us a result of 6.2 inches for the two equal sides.

To calculate the length of the base, multiply the two equal sides by the ratio of 5:4, which gives us a result of 7.5 inches for the base.

Therefore, the lengths of the sides and the base of the triangle are: two equal sides of 6.2 inches, and a base of 7.5 inches.

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Answer: 0.9 or 9/10

Step-by-step explanation:

The question asks how many miles did Camila walk in all, so we have to add 1/2 mile and 2/5 of a mile.

1/2 + 2/5 = 9/10

Answer:

9/10 of a mile

Step-by-step explanation:

1/2 + 2/5

= 5/10 + 4/10

=9/10

No, the given statement about the lab experiment is not reasonable.

If Max places 1.98 grams of powdered substance into each glass plate and he needs to place the substance into 3 glass plates, then the total amount of the powdered substance he needs is 1.98 x 3 = 5.94 grams. This is greater than the amount Max estimates to be in the container (4.5 grams).

Therefore, it is not reasonable to assume that there are only 4.5 grams of  the powdered substance in the container when Max needs to use more than that amount for his experiment.

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Complete Question:

In chemistry lab, there are 9.52 grams of powdered substance in a container. Max needs to place substance into each of 3 glass plates. The amount of powdered substance he places into each glass plate is 1.98 grams. Max estimates that there are 4.5 grams of the powdered substance in the container. Is the statement reasonable?

Answer:

To evaluate f(x)=1/2x-3 for each value of x, we substitute each value into the function and simplify:

(a) f(-8) = (1/2)(-8) - 3 = -4 - 3 = -7

(b) f(0) = (1/2)(0) - 3 = 0 - 3 = -3

(c) f(3) = (1/2)(3) - 3 = 1.5 - 3 = -1.5

(d) f(10) = (1/2)(10) - 3 = 5 - 3 = 2

Therefore, the values of the function for each value of x are:

(a) f(-8) = -7

(b) f(0) = -3

(c) f(3) = -1.5

(d) f(10) = 2

The quadrilateral given is a square and the measure of the angles as required are as follows;

It follows from the task content that the given quadrilateral is a square.

Recall, that the four interior angles of a square sum up to 360° in which case, each vertices is a right angle.

Additionally, the diagonals of a square intersect at a point to form right angle at the point.

Also, each diagonals is a bisector of the angles at the vertices.

Therefore, we have that;

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The function f(x) = 5/(x+3), vertical asymptote at x = -3,  domain of the function is all real numbers except x = -3,  range is all real numbers except 0.

A function is a mathematical object that takes one or more inputs (usually represented as variables) and produces a single output. In other words, a function is a relation between sets of inputs and outputs that associates each input value with exactly one output value.

A function can be represented by an equation or a graph. The most common way to write a function is in the form f(x) = y, where x is the input variable and y is the output variable. The function f maps each value of x to a corresponding value of y.

Functions can be classified based on their properties, such as their domain (set of allowable input values), range (set of output values), and behavior (e.g., increasing, decreasing, constant, etc.). Some common types of functions include linear, quadratic, exponential, trigonometric, and logarithmic functions.

The function f(x) = 5/(x+3) has a vertical asymptote at x = -3, since the denominator becomes zero at that point.

The domain of the function is all real numbers except x = -3, since division by zero is undefined.

To find the range, we can consider what happens to the function as x approaches -3 from both sides. As x approaches -3 from the left (i.e., as x gets closer and closer to -3 from values less than -3), the function becomes increasingly negative. As x approaches -3 from the right (i.e., as x gets closer and closer to -3 from values greater than -3), the function becomes increasingly positive. This means that the range of the function is all real numbers except 0.

Therefore, the asymptote is x = -3, the domain is all real numbers except x = -3, and the range is all real numbers except 0.

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The probability that a woman chosen at random from this population is more than 67 inches tall is approximately 0.1492 or 14.92%.

To find the probability that a woman chosen at random from this population is more than 67 inches tall, we need to calculate the z-score for this height and then find the corresponding probability from the standard normal distribution.

The z-score is calculated as:

z = (x - μ) / σ

where x is the value we want to find the probability for, μ is the mean of the distribution, and σ is the standard deviation.

In this case, x = 67, μ = 64.3, and σ = 2.6. Substituting these values into the formula, we get:

z = (67 - 64.3) / 2.6

= 1.04

Next, we look up the probability corresponding to a z-score of 1.04 in a standard normal distribution table or using a calculator. The probability of a z-score being less than 1.04 is 0.8508.

Since we are interested in the probability of a woman being more than 67 inches tall, we need to subtract this probability from 1:

P(x > 67) = 1 - P(z < 1.04)

= 1 - 0.8508

≈ 0.1492

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The x-intercept and y-intercept of the graph of -7x + 3y = 21 are -3 and 7 respectively.

The x-intercept of a graph is the point where a line crosses the x-axis, while the y-intercept of a graph is the point where a line crosses the y-axis.

Therefore, the x-intercept is the value of x when y = 0 while the y-intercept is the value of y when x = 0.

Hence, let's find the x and y-intercept of -7x + 3y = 21

x-intercept

-7x + 3(0) = 21

-7x = 21

x = 21 / -7

x = -3

Y-intercept

-7x + 3y = 21

-7(0) + 3y = 21

3y = 21

y = 21 / 3

y = 7

Therefore,

x-intercept = (-3, 0)

y -intercept = (0, 7)

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The number of feet away is the base of the ladder from the end of the slide, g, as shown is 3 ft.

The base of the ladder from the end of the slide forms a right triangle.

Hypotenuse² = opposite² + adjacent²

Hypotenuse = 5 ft

Opposite = 4 ft

Adjacent = g

So,

Hypotenuse² = opposite² + adjacent²

5² = 4² + g²

25 = 16 + g²

subtract 16 from both sides

25 - 16 = g²

9 = g²

find the square root of both sides

√9 = g

g = 3 ft

In conclusion, the base of the ladder is 3 ft away from the end of the slide.

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Answer:

Step-by-step explanation:

The solution (16, 2) means 16 small gloves and 2 large gloves can be made in less than or equal to 16 hours and cost less than or equal to $40 in materials to make.

The period of the Markov chain is 2.

The period of this Markov chain is determined by the number of times you have to go through the probability transition matrix before you return to the same state. The period for this Markov chain is 2, as you can see from the probability transition matrix below:

 P(i,j)   State 0   State 1    State 0   0.5   0.5    State 1   0.3   0.7  


Starting from State 0, the probability of transitioning to State 0 is 0.5, and the probability of transitioning to State 1 is 0.5. If we start from State 1, the probability of transitioning back to State 0 is 0.3, and the probability of transitioning back to State 1 is 0.7.

Therefore, it takes two steps for the chain to return to its original state and the period of this Markov chain is 2.

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Answer:

Step-by-step explanation:

The radical form for each expression is given as follows:

How to obtain the radical form of each expression?

The general format of the exponential expression is given as follows:

To obtain the radical form, we have that:

a is the radicand.

n is the exponent.

m is the root.

Hence the radical form of the exponential expression is given as follows:

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The statement "The graph cοntains the pοint (0, 0)" is true.

Quadratic functiοns are used in different fields οf engineering and science tο οbtain values οf different parameters. Graphically, they are represented by a parabοla.

The statements that are true abοut the functiοn and its graph are:

1.The graph οf the functiοn is a parabοla.

2.The graph οf the functiοn οpens dοwn.

3.The graph cοntains the pοint (0, 0).

The functiοn [tex]f(x) = x^2 - 5x + 12[/tex] is a quadratic functiοn, which means its graph is a parabοla. The leading cοefficient οf the functiοn is pοsitive, which means the parabοla οpens dοwn.

Tο find the value οf f(-10), we can substitute -10 fοr x in the functiοn and evaluate:

[tex]f(-10) = (-10)^2 - 5(-10) + 12 = 100 + 50 + 12 = 162[/tex]

Therefοre, the statement "The value οf f(–10) = 82" is false.

The pοint (20, -8) is nοt οn the graph οf the functiοn, because if we substitute x = 20 in the functiοn, we get:

[tex]f(20) = 20^2 - 5(20) + 12 = 200 - 100 + 12 = 112[/tex]

Therefοre, the statement "The graph cοntains the pοint (20, –8)" is false.

On the οther hand, the pοint (0, 0) is οn the graph οf the functiοn, because if we substitute x = 0 in the functiοn, we get:

[tex]f(0) = 0^2 - 5(0) + 12 = 12[/tex]

Therefοre, the statement "The graph cοntains the pοint (0, 0)" is true.

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The quantity cosecant squared of theta minus 1 can be simplified as 1/(cosecθ)² - 1. So, the correct answer is -1/tanθ.

Cosecant, denoted as csc, is a trigonometric function that is the reciprocal of the sine function. It is the ratio of the side opposite the angle over the hypotenuse in a right triangle.

This can be further simplified by multiplying the numerator and denominator of the fraction by the cosecant of theta to get the expression 1 - cosec²θ/cosecθ.

Rearranging this expression gives -cosec²θ/cosecθ.

The cosecant of theta can be further simplified by using the identity cosecθ = 1/sinθ.

Substituting this into the expression gives -1/sin2θ.

The sine of theta can then be further simplified by using the identity

sinθ = 1/tanθ.

Substituting this into the expression gives -1/tan²θ.

Finally, using the identity tan²θ = tanθ/1 simplifies the expression to -1/tanθ.

Therefore, the correct answer is -1/tanθ.

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Question:

The expression the quantity cosecant squared of theta minus 1 end quantity over cotangent of theta simplifies to which of the following?

A. 1

B. 0

C. -cotθ

D. -1/tanθ

Answer:

8

Step-by-step explanation:

2=3

3÷2=1.5

1.5×5=7.5

round up to get 8

The graph that would have x - intercepts if the functions are graphed on the xy- coordinate plane, is C) y = 3 sec x.

An x-intercept is a point where the graph intersects the x-axis, which means the value of y is 0 at that point.

We can analyze the functions randomly.

y = csc x + 3

The cosecant function is the reciprocal of the sine function, so csc x = 1 / sin x. For this function to have x-intercepts, we need 1 / sin x + 3 = 0. However, this equation cannot be satisfied since the minimum value of 1 / sin x + 3 is greater than 0. Therefore, there are no x-intercepts for this graph.

y = 3 sec x

The secant function is the reciprocal of the cosine function, so sec x = 1 / cos x. For this function to have x-intercepts, we need 3(1 / cos x) = 0. This equation can be satisfied when cos x = 0, which occurs at x = (2n + 1)π/2, where n is an integer. Therefore, this graph has x-intercepts.

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Using fraction, the total number of cupcakes is obtained to be 5.

What is fraction?

In mathematics, a fraction is used to denote a portion or component of the whole. It stands for the proportionate pieces of the whole. Numerator and denominator are the two components that make up a fraction. The numerator is the number at the top, and the denominator is the number at the bottom.

If 4 cupcakes represent 80% of the order, then we can use proportional reasoning to find the total number of cupcakes.

Specifically, if x is the total number of cupcakes, then we can write -

4/x = 80/100

where the left-hand side represents the fraction of the order that is Nom-Nom-Nom cupcakes, and the right-hand side represents the percentage of the order that is Nom-Nom-Nom cupcakes.

Solving for x, we get -

x = 4 / (80/100) = 5

So the total number of cupcakes is 5. Since 4 of them are Nom-Nom-Nom cupcakes, the remaining 1 cupcake must be a Wow cupcake.

Therefore, in total there are 5 cupcakes.

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I've been waiting to order your cupcakes all day! I'll have 4 Nom-Nom-Nom cupcakes -- that's 80% of my order. The rest of the order are Wow.
Find the total number of cupcakes.

An exponential equation, y = (20) 3ᵗ, shows the number of infected people from an outbreak of whooping cough. The number of Infected people reach 1000 after 3.56 weeks.

We have an equation that shows the number of people infected from a whooping cough outbreak. This equation is y is equal to 20 times 3 to the power of t, i.e. y = (20) 3ᵗ -- (1)

where y--> number of infected people

t--> time in weeks

An exponential equation is an equation with exponents where either the exponent or part of the exponent is a variable. As we see 't' is variable so, eqution (1) is an exponential equation. We have to determine time in weeks when the number of infected people count reach 1,000. Substitute, y = 1000 in (1)

=> 1000 = (20)3ᵗ

Dividing by 20 both sides

=> 1000/20 = 3ᵗ

=> 50 = 3ᵗ

Taking natural logarithm both sides,

=> ln(50) = ln( 3ᵗ)

=> ln(50) = t ln(3)

=> t = ln(50)/ln(3)

=> t = 3.56

Hence, required value of t is 3.56 weeks.

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