In a test of a sex-selection technique, results consisted of 284 female babies and 15 male babies. Based on this result, what is the probability of a female being born to
a couple using this technique? Does it appear that the technique is effective in increasing the likelihood that a baby will be a female?
The probability that a female will be born using this technique is approximately
(Type an integer or decimal rounded to three decimal places as needed.)
Does the technique appear effective in improving the likelihood of having a female baby?
O No
O Yes

see the attached figure below to better understand the problem

Please give me a minute

The price is about $38

therefore

The answer is option C

The image of C under the translation described by this translation rule (x, y) → (x + 11, y - 8) is: (4, -6)

In Geometry, the translation of a geometric figure to the right simply means adding a digit (11) to the value on the x-coordinate (x-axis) of the pre-image while translating a geometric figure down simply means subtracting a digit (8) from the value on the y-coordinate (y-axis) of the pre-image.

Note: Each point on this graph represents 2 units.

Next, we would translate the image of C 11 units to right and 8 units down. Therefore, this transformation can be modeled by this translation rule:

(x, y)                              →               (x + 11, y - 8)

Point at C = (-7, 2)        →      Point at C' = (-7 + 11, 2 - 8) = (4, -6)

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The numeric value of the slope of the inverse function at x = -32 is given by:

(h^-1)'(-32) = 0.03.

To find the inverse of a function, we exchange x and y in the original function, then isolate y.

This means that if the original function has a point (x,y) graphed, the inverse will have point (y,x) graphed.

From it's graph, the function h(x) has these two following points:

(-4.552, -32) and (-4.555, -32.1)

Hence the inverse will have these two following points:

(-32, -4.552) and (-32.1, -4.555).

The slope is given by change in y divided by change in x, hence:

(h^-1)'(-32) = (-4.552 - (-4.555))/(-32 - (-32.1)) = 0.03.

Which is also equivalent to the derivative of the inverse function at x = -32.

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No, becuase not all the posible values of x make the inequality true.

For example, if x = 0

7(0) - 5 > 2

0 - 5 > 2

- 5 > 2 This is not true.

The methods which can be used to prove that the two triangles are congruent are:

Prove all three sets of corresponding angles are congruent.

Prove all three sets of corresponding sides are congruent.

Option C and Option D are the correct answer.

Corresponding angles are angles that occur on the same side of the transversal line and are equal in size.

We have,

To prove that two triangles are congruent, we need to show that the corresponding sides and corresponding angles are congruent.

So,

Prove all three sets of corresponding angles are congruent.

Prove all three sets of corresponding sides are congruent.

These two methods can be used to prove that the two triangles are congruent.

Thus,

The methods which can be used to prove that the two triangles are congruent are:

Prove all three sets of corresponding angles are congruent.

Prove all three sets of corresponding sides are congruent.

Option C and Option D are the correct answer.

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Answer: a) 216 beats     b) almost 16 minutes

Step-by-step explanation:

54 beats/minute x 4 minutes = 216 beats

855 beats / 54 beats/minutes = 15.83333 minutes

Hope this helps!

The most appropriate choice for stocks and net proceeds will be given by-

Net proceeds of Erin = $3533.9

What is stock and net proceeds?

Stock

Stock is a part of share set up by the company so that people can buy.

Net proceeds

After deducting all expenses, amount recieved by the seller after selling of stocks is called net proceeds.

Worth of stocks purchased by Erin  = $23510

Percentage paid to her broker = 1%

Amount paid to broker = [tex]\frac{1}{100}\times 23510[/tex]

                                      = $235.1

Now price of stocks increased to $27300

Net profit = $(27300 - 23510)

                = $3790

Net proceeds = $(3790 - 235.1 - 21)

                        =$3533.9

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1) Since we know the decimal places, then we can write out the following number:

Note the 3 decimal places after the dot is the thousandth's place. Note that we can either write the last digit or omit it.

The answer is the option C. (h + j + k)/3

Because to find the average of 3 quantities, you have to add them all and then divide the result by 3

ANSWER

• AB and EF

• BC and FG

• AC and EG

EXPLANATION

The order in which the vertices of the triangles are named gives us which sides are congruent. If ΔABC ≅ ΔEFG, then the pairs of corresponding congruent sides are,

To solve the exercise, replace in the expression the given values of c and d and then operate:

Therefore, the value of the evaluated expression is 38.1

We need to solve the inequality:

We can start by sketching the graph of the parabola:

Then, we need to find the points of the parabola below the x-axis.

The zeros of that parabola are given by:

And since the coefficient of x² is positive, the parabola opens upwards. So, its graph looks like this:

Thus, the points on the parabola below the x-axis are those for which:

The function f(6) has a value of 1./3

The graph that completes the question is added as an attachment

From the graph, we have the following points

(x, y) = (4, 1) and (1, 2)

We start by calculating the slope of the points using the following slope equation

Slope = (y₂ - y₁)/(x₂ - x₁)

Where x and y are defined above

So, we have

Slope = (2 - 1)/(1 - 4)

Evaluate

Slope = -1/3

At f(6), we have

x = 6

So, the point can be represented as (6, y)

Using the slope formula again, we have

Slope = (y₂ - y₁)/(x₂ - x₁)

Where

(x, y) = (4, 1) and (6, y)

This gives

Slope = (y - 1)/(6 - 4)

Evaluate

Slope = (y - 1)/2

So, we have

(y - 1)/2 = -1/3

Evaluate

y = -2/3 + 1

Evaluate

y = 1/3

Hence, the value of f(6) is 1/3

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At the CD's maturity in 2 years' time, the future value that you can collect is $4,347.22.

The future value (FV) of CD is the present value compounded at an interest rate of 4.25% for 2 years in the future.

We can compute the future value using the FV formula or an online finance calculator as below.

N (# of periods) = 2 years (24 months)

I/Y (Interest per year) = 4.25%

PV (Present Value) = $4,000

PMT (Periodic Payment) = $0

Results:

FV = $4,347.22 ($4,000 + $347.22)

Total Interest = $347.22

Thus, the 24-month CD purchased for $4000 will yield a future value of $4,347.22 at maturity.

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ANSWER

36°

EXPLANATION

A full circle has a central angle of 360°. If this figure represents 1/10 of a full circle, then its central angle is 1/10 of the central angle of the full circle:

Hence, the measure of the central angle in this figure is 36°.

Answer:

  1) 120 units

  2) see attachment

Step-by-step explanation:

Given a figure composed of 21 squares that each have an area of 25 square units, you want to know (1) the perimeter of the figure, and (2) how to rearrange it to have the same perimeter, but with sides that line up.

The perimeter is the sum of the lengths of the sides that form the boundary of the figure. The boundary consists of ...

for a total of 6·4 = 24 edges of the squares shown.

Each of the squares shown has an area of A = s² = 25 units², so a side length of s = √(25 units²) = 5 units.

The perimeter is the length of 24 of these edges, so is ...

  perimeter = 24 × 5 units = 120 units

The 21 squares shown in the figure can only be rearranged into rectangles that are 21 × 1 squares or 7 × 3 squares. These will have perimeters of 44 or 20 edges, respectively. Hence, it is not possible to have "sides of the squares line up" in a rectangle with the same perimeter.

The attached figure is the next best thing. It shows a 6 × 4 rectangle with three squares removed (to keep the total at 21). The number of horizontal and vertical edges total 24, as required to keep the same perimeter.

The answer is -3 2/3 + 1 = -2 3/5

It's a linear equation form  -3/ 2/3

What is linear equation?

An equation between two variables that, when plotted on a graph, produces a straight line or say first degree equation is known as linear equation.

An addition problem that has a sum of -3 2/3 may take different forms one of which is the answer supplied where; -3 2/3 is added to 1 and the result is -2 3/5

Therefore, the answer of  -3 2/3 is -2 3/5

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For Wesley:

distance = 7.7miles, time = 3.5h

For Xavier:

distance = 3.5 miles, time = 1.25h

For Yvette:

distance = 4.224 miles, time = 1.76h

For Zubin:

distance = 5.175 miles, time = 2.25h

Therefore, the complete table is as given below

The quotient of 33/402 is 0 and the remainder is 369

The division expression is given as

33/402

From the above expression, we have

Numerator = 33

Denominator = 402

As a general rule of quotient, when the denominator is greater than the numeration, then the quotient is 0

The division expression is given as

33/402

From the above expression, we have

Numerator = 33

Denominator = 402

As a general rule of quotient, when the denominator is greater than the numeration, then the remainder is 0

Remainder = Denominator - Numerator

This gives

Remainder = 402 - 33

Evaluate

Remainder = 369

This means that the remainder of 33/402 is 369

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Possible question

Find the quotient and remainder for the following expression using the division algorithm.

33/402

Answer:

4.58 gallons

Step-by-step explanation:

13$ in 2000 = 8 1/3 gallons

13$ in 2010 = 4.577 gallons

The graph represents a linear function with negative slope.

How does different type of graph and their equations look like?
1. Linear graph: It is of the form y= mx+ c

First-order variables are present in linear functions, and the graph's placement is determined by two constants. These operations graph into a line in every case. The slope of the line is determined by the constant m. The slope of the line will slope up if it is positive and down if it is negative.

2. Quadratic graph: y= ax^2+ bx+ c

These type of graphs have an U shaped curve and their slope can also be obtained by drawing a tangent.

3. Square root graph : F(x)=x is the parent function of all functions with the formula f(x)=a+b. Keep in mind that f(x)=x has an x0 domain and a y0 range. By translating the graph of f(x)=x to a units to the right and then b units up, the graph of f(x)=root x-a+b can be derived.

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Answer: C(x) > a(x) , meaning c(X) has the greatest average rate of change over the given interval.

Explanations :

• The greatest average rate of change = slope

• given by formula :

• The average rate of change over the given interval = 7-1 = 6

and

• We can see that b(x) has constant average rate of change at 2 , therefore this will not be considered for this purpose of the exercise.

and

• The average rate of change over the given interval =, 8 -1 = 7

in conclusion , C(x) = 7 , whereas a(x) = 6 ,

Therfore C(x) > a(x)

Question 8

We are to solve

This can be simplified to

Raising both sides of the equation to a power of 5 we have

By raising both sides of the equation to power of 1/14, we get

Simplifying this we get

The expression with a rational exponent as a radical expression is [tex]\sqrt[9]{3}[/tex]. Therefore, option B is the correct answer.

The given expression is [tex](3^{\frac{2}{3} } )^{\frac{1}{6} }[/tex].

Rational exponents are exponents of numbers that are expressed as rational numbers, that is, in [tex]a^\frac{p}{q}[/tex], a is the base and p/q is the rational exponent where q ≠ 0.

Now, the given expression can be solved as follows:

Using power law [tex](a^m)^n=a^{m\times n}[/tex], we get

[tex](3^{\frac{2}{3} } )^{\frac{1}{6} }=3^{\frac{2}{3}\times \frac{1}{6}}[/tex]

[tex]=3^{\frac{1}{9} }[/tex]

The equivalent expression to [tex]=3^{\frac{1}{9} }[/tex] is [tex]\sqrt[9]{3}[/tex].

The expression with a rational exponent as a radical expression is [tex]\sqrt[9]{3}[/tex]. Therefore, option B is the correct answer.

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X<4 means that the chosen number is less than four and probability if the event X<4, P(X<4) 2/5.

Let us say that we have to select one number between 0-9.

So, the total possible outcomes can be 10.

Let us say that a number x is chosen randomly,

The expression x<4 means that is the chosen number is X, then the number should must be less than 4, not even equal, it should be less than 4.

So, The probability of X<4, we should first find total favorable outcomes,

The total number less than 4 are 0,1,2,3.

So, the total favorable outcomes are 4.

We know,

Probability of event E is,

P(E) = total favorable outcomes/total number of outcomes.

So, P(X<4) = 4/10

P(X<4) = 2/5

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42 / 15-2^3

First, solve for the exponent:

42 / 15-8

Subtract:

42/7

Divide:

6

The steps that would be applied to solve the equation are:

multiplying both sides of the equation by 3

substituting 36 for p to check the solution

An equation is a statement in mathematics that consists of two or more expressions that are connected by an equal to sign.

The given equation is:

p / 3 = 12

In order to solve, the equation, p has to be made the subject of the formula.

In order to make the subject of the formula, take the following step:

Multiply both sides of the equation by the denominator of p. The denominator of p is 3.

3 x (p/3) = (12 x 3)

p = 36

Substitute for p using 36 to check the accuracy of the answer derived

36 / 3 =12

Here are the options:

subtracting 3 from both sides of the equation

multiplying both sides of the equation by 3

dividing both sides of the equation by 3

substituting 4 for p to check the solution

substituting 36 for p to check the solution

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Interquartile range of the scores is 7.

When values are ranked from lowest to highest, the IQR designates the middle 50% of those values. Find the median (middle value) of the bottom half and upper half of the data before calculating the interquartile range (IQR). Quartile 1 (Q1) and Quartile 3 are these values (Q3). The IQR represents the variation between Q3 and Q1. The strongest indicator of variability in data sets with outliers or skewed distributions is the interquartile range. It's unlikely to be impacted by outliers because it's based on numbers that come from the center half of the distribution.

Given Set

16, 12, 20,35,21,17,19,20,13,12,15

12, 12, 13, 15, 16, 17, 19, 20, 20, 21, 35

25 percentile(Q₁) = 13

50 percentile(Q₂) = 17

75 percentile(Q₃) = 20

Interquartile range = Q₃ - Q₁

Interquartile range = 20-13

Interquartile range = 7

Interquartile range of the scores is 7.

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