Question 7 of 10
AFGH is a right triangle.
9
6
G
√45
H
A. True
OB. False

Answer: the ratio of males who would buy the drink to females who would buy the drink is approximately 0.6560.

Step-by-step explanation:

Let's assume that there are 100 people in the focus group. Then, the number of males in the focus group is 47 and the number of females is 53.

Out of 47 males, 40% said they would buy the fruit drink, which is 0.4 x 47 = 18.8 males (rounded to the nearest whole number). Out of 53 females, 54% said they would buy the fruit drink, which is 0.54 x 53 = 28.62 females (rounded to the nearest whole number).

The ratio of males who would buy the drink to females who would buy the drink is:

18.8/28.62 = 0.6560 (rounded to the nearest ten-thousandth)

Therefore, the ratio of males who would buy the drink to females who would buy the drink is approximately 0.6560.

We want to write it in slope-intercept form:

y = mx + (b' = -12m - 2).

The slope of parallel lines is the same. The slopes of perpendicular lines are opposite reciprocals. To put it another way, if m=ab, then m=ba. To find the equation of a line, first determine the slope using the given information.

We can use the fact that parallel lines have the same slope to find the equation of a line that is parallel to a given line and passes through a given point.

Assume that the given line has the equation y = mx + b, where m represents the slope and b represents the y-intercept.

The slope of the line we are looking for is m because it is parallel to the given line. Because we don't know what the y-intercept of this line is, let's call it b'.

We now have two pieces of information regarding the new line:

It has the same slope as the given line (m).

It runs through the point (12,-2).

We can use this data to calculate the equation of the new line:

To begin, we can use the point-slope form of a line equation:

y - y1 = m(x - x1) (x - x1)

(x1, y1) denotes the point (12,-2) and m denotes the slope of the given line.

Substituting known values:

y - (-2) = m(x - 12) (x - 12)

Simplifying:

y + 2 = mx - 12m

We must now calculate the value of b' that makes this equation true for any point on the line. Because b' is the line's y-intercept, we can set x = 0 and solve for y:

y + 2 = m(0) - 12m

y = -12m - 2

As a result, the equation of the line parallel to the given line and passing through the point (12,-2) is:

y = mx - 12m - 2

Alternatively, we can write it in slope-intercept form:

y = mx + (b' = -12m - 2).

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The probability that John's drive to work will take between 36 and 40 minutes is 0.3413.

Probability is the measure of how likely an event is to occur. It is expressed as a number between 0 and 1, where 0 indicates that the event is impossible and 1 indicates that the event is certain to occur. Probability is used in many areas of life, such as gambling, finance, and science. It is also used to make decisions in everyday life, such as estimating the likelihood of rain or the chance of winning a bet.

Using the normal distribution, the probability of John's drive taking between 36 and 40 minutes can be calculated using the standard normal distribution table. The formula for calculating the probability is: P(x<X<y) = P(y) - P(x).

For the given problem, the lower boundary is 36 minutes and the upper boundary is 40 minutes. Using the standard normal distribution table, the probability of John's drive taking between 36 and 40 minutes can be calculated by subtracting the probability of 36 minutes from the probability of 40 minutes. This gives us a probability of 0.3413.

Therefore, the probability that John's drive to work will take between 36 and 40 minutes is 0.3413.

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The probability that John's drive to work will take between 36 and 40 minutes is 0.3829.

Probability is the measure of how likely an event is to occur. It is expressed as a number between 0 and 1, where 0 indicates that the event is impossible and 1 indicates that the event is certain to occur. Probability is used in many areas of life, such as gambling, finance, and science. It is also used to make decisions in everyday life, such as estimating the likelihood of rain or the chance of winning a bet.

The probability that John's drive to work will take between 36 and 40 minutes can be calculated using a normal distribution table. The mean of the distribution is µ = 38 minutes, and the standard deviation is σ = 5 minutes.

To calculate the probability, we need to convert the given range (36 minutes to 40 minutes) into standard normal scores. This is done by subtracting the mean (µ = 38 minutes) from the lower bound (36 minutes) and then dividing by the standard deviation (σ = 5 minutes). The result is a standard normal score of -0.4. The same calculation is carried out for the upper bound (40 minutes) and the result is a standard normal score of 0.4.

Using a normal distribution table, we can then determine the probability that John's drive to work will take between 36 and 40 minutes. This probability is equal to the area under the normal curve between the two standard normal scores of -0.4 and 0.4. The result is a probability of 0.3829.

Therefore, the probability that John's drive to work will take between 36 and 40 minutes is 0.3829.

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Answer:

Step-by-step explanation:

$8,500 -7.0%= $7,905

$8,500 - $7,905 = $595

The probability to three decimal places is 0.036 and the unfavorable consequence of this result will be that the patients who tested negative will not be treated and as such will spread the disease.

To find the probability of an event, we often use divide the total number of possible results by the total results. In this case, we are told to find the total number of persons who tested negative for the disease by the total number of positive cases. 320 + 12 persons tested positive for the disease. The sum is 332.

The total number of negative cases recorded from this sum is 12. Thus, the probability will be 12/332 = 0.036.  An unfavorable consequence of this​ error will be that the subjects who tested negative will not be treated and can thus spread the disease.

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Given:-

To find:-

Answer:-

Here since the given triangle is a right angled triangle, we may use the trigonometric ratios . We can see that perpendicular and base are involved in this question whose measures are "x" and "√10" respectively with respect to 60° angle. So here we may use the ratio of tangent as , in any right angled triangle,

[tex]\implies\tan\theta =\dfrac{p}{b} \\[/tex]

and here p = x , and b = √10 . So on substituting the respective values, we have;

[tex]\implies \tan\theta = \dfrac{x}{\sqrt{10}} \\[/tex]

Also the angle here is 60° , so that;

[tex]\implies\tan60^o =\dfrac{x}{\sqrt10} \\[/tex]

The value tan60° is √3 , so we have;

[tex]\implies \sqrt3 =\dfrac{x}{\sqrt10}\\[/tex]

[tex]\implies x =\sqrt{10}\cdot \sqrt{3}\\[/tex]

[tex]\implies x =\sqrt{10\cdot 3} \\[/tex]

[tex]\implies x =\sqrt{30} \\[/tex]

The value of √30 is approximately 5.48 , so that;

[tex]\implies \underline{\underline{\red{\quad x = 5.48\quad }}} \\[/tex]

Therefore the value of x is approximately 5.48 .

Answer:

The length of side x in simplest radical form is [tex]\sqrt{30}[/tex].

Step-by-step explanation:

From inspection of the given right triangle, we can see that the interior angles are 30°, 60° and 90°. Therefore, this triangle is a 30-60-90 triangle.

A 30-60-90 triangle is a special right triangle where the measures of its sides are in the ratio  1 : √3 : 2.  Therefore, the formula for the ratio of the sides is b: b√3 : 2b where:

We have been given the side opposite the 30° angle, so:

[tex]\implies b=\sqrt{10}[/tex]

The side labelled "x" is the side opposite the 60° angle, so:

[tex]\implies x=b\sqrt{3}[/tex]

Substitute the found value of b into the equation for x:

[tex]\implies x=\sqrt{10}\sqrt{3}[/tex]

[tex]\textsf{Apply the radical rule:} \quad \sqrt{a}\sqrt{b}=\sqrt{ab}[/tex]

[tex]\implies x=\sqrt{10 \cdot3}[/tex]

[tex]\implies x=\sqrt{30}[/tex]

Therefore, the length of side x in simplest radical form is [tex]\sqrt{30}[/tex].

[tex]\hrulefill[/tex]

We can also calculate the length of side x using the tangent trigonometric ratio:

[tex]\boxed{\tan \theta=\sf \dfrac{O}{A}}[/tex]

where:

From inspection of the given right triangle:

Substitute these values into the formula:

[tex]\implies \tan 30^{\circ}=\dfrac{\sqrt{10}}{x}[/tex]

[tex]\implies \dfrac{\sqrt{3}}{3}=\dfrac{\sqrt{10}}{x}[/tex]

[tex]\implies x\sqrt{3}=3\sqrt{10}[/tex]

[tex]\implies x=\dfrac{3\sqrt{10}}{\sqrt{3}}[/tex]

Rationalise the denominator by multiplying the numerator and denominator by √3:

[tex]\implies x=\dfrac{3\sqrt{10}}{\sqrt{3}}\cdot \dfrac{\sqrt{3}}{\sqrt{3}}[/tex]

[tex]\implies x=\dfrac{3\sqrt{10}\sqrt{3}}{3}[/tex]

[tex]\implies x=\sqrt{10}\sqrt{3}[/tex]

[tex]\implies x=\sqrt{10\cdot3}[/tex]

[tex]\implies x=\sqrt{30}[/tex]

Therefore, the length of side x in simplest radical form is [tex]\sqrt{30}[/tex].

Laura's answer should be: The cost of the cheaper radio is £18.

What is equations ?

An equation is a statement that two expressions are equal. It typically involves one or more variables (represented by letters) and mathematical operations such as addition, subtraction, multiplication, and division.

Let's call the cost of the cheaper radio "x". Then, according to the problem, the cost of the more expensive radio is 3x.

We know that the total cost for both radios is £72, so we can set up an equation:

x + 3x = 72

Simplifying the equation, we get:

4x = 7

Dividing both sides by 4, we get:

x = 18

Therefore, the cost of the cheaper radio is £18.

Therefore, Laura's answer should be: The cost of the cheaper radio is £18.

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answer: false

explanation: i took the test and got it right

As a result, the spot or points where the graph crosses the x-axis is not always the solution of a system of equations.

A solution in mathematics is the response to an issue or equation that meets specific requirements. The context of the issue or equation determines the kind of solution. For instance, in mathematics, the value of the variable(s) that makes an equation true is known as the solution. For instance, the answer to the equation 2x + 5 = 9 is x = 2, since the equation can be solved with x = 2.

given

False.

The values of the variables that fulfill every equation in a system of equations are represented by the system's solution.

A unique solution to a system of equations corresponds to the spot in the Cartesian plane where the equations' graphs intersect. This spot could be on the x-axis or not.

The graphs of the equations will be coincident or parallel lines that do not intersect and do not span the x-axis if a system of equations has an infinite number of solutions.

As a result, the spot or points where the graph crosses the x-axis is not always the solution of a system of equations.

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In Δ PRQ, The value of the missing variable x is 4.8.

Calculating the area οf a triangle. Use the fοrmula area = 1/2 * base * height tο calculate the area οf a triangle. Select a side tο serve as the base and calculate the triangle's height frοm that pοint.

Cοrrespοnding sides in similar triangles are prοpοrtiοnal. As a result, using the infοrmatiοn prοvided, we can calculate the fοllοwing prοpοrtiοn:

As Δ PQS ≅ Δ PRQ

Then according to CPCT

PQ ≅ PR

and

PS ≅ PQ

Then we have

7 ≅ 5+ x

5 ≅  7

Then

[tex]$ \frac{7}{5 + x} = \frac{5}{7}[/tex]

Cross multiply

[tex]$ \frac{7}{5 + x} = \frac{5}{7}[/tex]

7 × 7 = 5(5+ x)

49 = 25 + 5x

49 - 25 = 5x

24 = 5x

x = 24/5

x = 4.8

Thus, In Δ PRQ, The value of the missing variable x is 4.8.

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Complete question:

Parts of similar triangle are given as the Δ PQS ≅ Δ PRQ. Find the value of x.

Step-by-step explanation:

the perimeter of a rectangle is

2×length + 2×width

in our case

length = width + 3

and

2×length + 2×width = 30

using the first equation in the second :

2×(width + 3) + 2×width = 30

width + 3 + width = 15

2×width + 3 = 15

2×width = 12

width = 12/2 = 6 ft

length = width + 3 = 6 + 3 = 9 ft

Answer:

A. 1/2

D. 0.000003

E. 1.5

Step-by-step explanation:

The inequality 5 + x > 5 can be simplified as follows:

5 + x > 5

x > 5 - 5

x > 0

the pressure at a depth of 66 ft is 197,580 Pa, and the volume of the tank at this depth is 0.000505 L.

To find the pressure at a depth of 66 ft in a liquid, we can use the formula:

pressure = density x gravity x depth

Assuming the liquid in the tank is water, the density is 1000 kg/m³, and gravity is 9.81 m/s².

First, we need to convert 66 ft to meters:

66 ft x 0.3048 m/ft = 20.1168 m

Then, we can find the pressure at this depth:

pressure = 1000 kg/m³ x 9.81 m/s² x 20.1168 m = 197,580 Pa

To find the volume of the tank at this depth, we can use Boyle's Law, which states that the pressure and volume of a gas are inversely proportional at a constant temperature:

P₁V₁ = P₂V₂

where P₁ and V₁ are the initial pressure and volume (1 atm and 10 L, respectively), and P₂ and V₂ are the final pressure and volume.

We can rearrange this equation to solve for V₂:

V₂ = (P₁ x V₁) / P₂

Substituting the values, we get:

V₂ = (1 atm x 10 L) / (197,580 Pa / 1 atm) = 0.000505 L

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Answer: Cone is correct just switch cylinder and sphere.

Step-by-step explanation:

Answer: Switch the formula for the cylinder for the sphere. the formula for the cone is right

Step-by-step explanation:

Answer:

copy paste it on gool then you will find the same thing but it has it done

Step-by-step explanation:

Answer:

0.167

Step-by-step explanation:

if you divide 30/180 it will get you a decimal of 0.166666667 but if you were to divide 180 by 30 you will get 6

technecaly your answer would be 0.166666667 but you only take the first number in the decimal which is 0.1 then take six 0.16 then add the 7 0.167

that should end up being your answer if i did the math right

Answer:

Step-by-step explanation:

5/12 * 6/15 =30/180

1/6=1/6

which is true, Right-hand side is equal to left-hand side

A Right Triangle must satisfy the Converse of the Pythagorean Theorem: [tex]a^2 + b^2 = c^2[/tex]

From the given side lengths, let a = 8, b = 15, c = 17  (c cannot be less than a or b)

[tex]a^2 + b^2 = (8)^2 + (15)^2[/tex]

[tex]a^2 + b^2 = 64 + 225 = 289[/tex]

[tex]c^2 = (17)^2 = 289[/tex]

[tex]a^2 + b^2 = c^2 \ (289 = 289)[/tex]

Therefore, a Triangle with side lengths of 8, 15 and 17 is a Right Triangle

Note: Since the side lengths are positive integers and the GCF(8, 15, 17) = 1, they are a primitive Pythagorean Triple.

Answer:

  -15

Step-by-step explanation:

You want the average rate of change of g(x) = 3x² +3 on the interval [-9, 4].

The average rate of change is defined as ...

  AROC(g) = (g(b) -g(a))/(b -a)

We can evaluate this directly, or we can simplify it a bit first.

 AROC = ((3b² +3) -(3a² +3))/(b -a)

  = (3b² -3a²)/(b -a)

  = 3(b -a)(b +a)/(b -a)

  = 3(b +a)

The AROC on the interval [a, b] = [-9, 4] is then ...

  AROC = 3(4 +(-9)) = 3(-5)

  AROC = -15

__

Additional comment

In the attachment, a graphing calculator is used to evaluate the rate of change directly from the definition. It gives the same value, as expected.

Answer:

Orlando and Nancy will be at an elevation of -110 when they are at the same elevation.

Step-by-step explanation:

We can set up an equation to find the time it takes for Orlando and Nancy to be at the same elevation

We will use the variable T to represent the time in minutes

Orlando's elevation : -60 + 8t

Nancy's elevation : -35 + 12t

We will solve for t to see at what time the elevations were equal

-60 + 8t = -35 + 12t

-60 + 35 = 12t - 8t

-25 = 4t

4t = -25

t = -6.25

This means that both will be at the same elevation 6.25 minutes before Orlando goes down

To find the elevation they will be at that time, we will plug -6.25 into either expression.

-60 + 8t = -60 + 8(-6.25) = -110

Orlando and Nancy will be at an elevation of -110 when they are at the same elevation.

Answer:

$27

Step-by-step explanation:

$400 earns $6

$6÷$400= 0.015% interest

$1800 * 0.015% = $27

The correct answer to the given question is graph D

Given a set of data points, we are tasked with identifying the correct box plot representation.

We begin by arranging the data in ascending order, which gives us 12, 17, 21, 23, 24, 28, and 29 points.

Next, we use the properties of a box plot to eliminate incorrect representations.

The left end of the whisker should correspond to the smallest data point, and the right end to the largest.

Among the given graphs, only one satisfies this condition.

The middle point is identified as the fourth data point, which is 23.

Finally, we determine the lower and upper lines of the box to be 17 and 28, respectively.

The only graph that satisfies all conditions is graph D.

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The effective interest rate of the simple discount note is 6%.

The effective interest rate (EIR) of a simple discount note can be calculated using the following formula:

EIR = (Discount ÷ Face Value) x (360 ÷ t)

Where Discount is the difference between the face value and the discounted value, t is the time in days from the issuance of the note until its maturity, and 360 is the number of days in a year used for interest rate calculations.

In this case, the face value is $3,500, the bank discount rate is 11%, and the time to maturity is 24 months or 720 days.

Discounted value = Face value x (1 - Bank discount rate x t ÷ 360)

Discounted value = $3,500 x (1 - 0.11 x 720 ÷ 360)

Discounted value = $3,080

Therefore, the discount is $420 ($3,500 - $3,080).

Using the formula for EIR, we get:

EIR = ($420 ÷ $3,500) x (360 ÷ 720)

EIR = 0.06 or 6%

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The area of Jade's rectangular wall is equal to 11⅓ yd² expressed as a mixed fraction

Given the formula for calculating area of rectangle as A = bh

b = 4¼ yd

h = 2⅔

so we can calculate the area of the rectangular wall as follows:

4¼ yd × 2⅔ yd

expressing the values of b and h as improper fractions;

17/4 yd × 8/3 yd

by simplification;

34/3 yd²

34/3 expressed as a mixed number is 11⅓.

Therefore, the area of Jade's rectangular wall is equal to 11⅓ yd² expressed as a mixed fraction.

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Answer:

Step-by-step explanation:

To find the inventory turnover for Roselli's Machine Manufacturing Co, we need to use the formula:

Inventory turnover = Cost of goods sold / Average inventory

First, we need to find the cost of goods sold (COGS):

COGS = Sales - Gross profit

COGS = R120 000 - R50 000

COGS = R70 000

Next, we need to find the average inventory. We can use the quick ratio formula to find the current assets:

Quick ratio = (Current assets - Inventory) / Current liabilities

Rearranging the formula to solve for inventory, we get:

Inventory = Current assets - (Quick ratio x Current liabilities)

Plugging in the values we know, we get:

1.75 = (Current assets - Inventory) / R25 000

Current assets - Inventory = 1.75 x R25 000

Current assets - Inventory = R43 750

Inventory = Current assets - R43 750

Since the current ratio is 2.5, we know that:

Current assets / Current liabilities = 2.5

Solving for current assets, we get:

Current assets = 2.5 x R25 000

Current assets = R62 500

Substituting the values we found for inventory and COGS into the inventory turnover formula, we get:

Inventory turnover = COGS / Average inventory

Inventory turnover = R70 000 / [(R62 500 - R43 750) / 2]

Inventory turnover = R70 000 / (R18 750 / 2)

Inventory turnover = R70 000 / R9 375

Inventory turnover = 7.47

Therefore, the inventory turnover for Roselli's Machine Manufacturing Co is 7.47.

The ratio between the perimeter of triangle ABC and the perimeter of triangle XYZ is given as follows:

1/3.

The perimeter of a triangle is the total length of its three sides. To find the perimeter of a triangle, you need to add up the lengths of all three sides.

The ratio between the side lengths of triangle ABC and triangle XYZ is given as follows:

5/15 = 1/3.

The perimeter of a triangle is measured in units, as area the side lengths, hence they have the same ratio, and thus the ratio between the perimeter of triangle ABC and the perimeter of triangle XYZ is given as follows:

1/3.

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Based οn the true statements (i) and (ii), we can cοnclude that △ ABC is nοt cοngruent tο △ DEF.

Statement (i) tells us that if twο triangles are cοngruent, then they are similar. This means that cοngruence implies similarity. Hοwever, statement (ii) tells us that △ ABC is nοt similar tο △ DEF. This means that there is nο similarity between the twο triangles.

Therefοre, we cannοt cοnclude that the twο triangles are cοngruent, because cοngruence implies similarity and we have been given that there is nο similarity between them. In οther wοrds, the fact that △ ABC is nοt similar tο △ DEF means that we cannοt cοnclude anything abοut their cοngruence, because we dο nοt have enοugh infοrmatiοn tο determine whether they are cοngruent οr nοt.

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Answer:

Step-by-step explanation:

Let x be the measure of the first angle.

According to the problem, we know that:

The sum of the angles of the triangle is 180: x + y + z = 180

The sum of the second and third angles is five times the measure of the first angle: y + z = 5x

The third angle is 16 more than the second: z = y + 16

We can substitute the third equation into the second equation to get:

y + (y + 16) = 5x

Simplifying this equation, we get:

2y + 16 = 5x

We can rearrange this equation to get:

y = (5/2)x - 8

Now we can substitute this equation and the equation z = y + 16 into the first equation to get:

x + (5/2)x - 8 + (5/2)x + 8 = 180

Simplifying this equation, we get:

6x = 360

Dividing both sides by 6, we get:

x = 60

Now we can use this value of x to find y and z:

y = (5/2)x - 8 = (5/2)(60) - 8 = 58

z = y + 16 = 58 + 16 = 74

Therefore, the measures of the three angles are x = 60, y = 58, and z = 74.

Answer: Physical weathering, more specifically, ice wedging

Step-by-step explanation:

:D