The following table represents the highest educational attainment of all adult residents in a certain town. If an adult is chosen randomly from the town, what is the probability that they have a high school degree or some college, but have no college degree? Round your answer to the nearest thousandth.

The new price of the pants, after the discount is applied, is the one in option B:

P = $38.40

We know that the original price of the pants is $64, and we have a discount of 40%.

Then to find the new price of the pants, we need to multiply the original price by a factor (1 - 40%/100%) = (1 - 0.4) = 0.6

Then the new price of the pants, exluding the taxes, we will get that the new price is:

P = $64*0.6

P = $38.40

Then we can see that the correct option is B.

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The equation of the Damari's investment is B(x) = 30000 * 1.03ˣ

Damari's investment

Given that

Initial value, a = 30000

B(3) = 32306.72

The function is calculated as

B(x) = a * bˣ

Using B(3), we have

30000 * b³ = 32306.72

So, we have

b³ = 1.077

Take the cube root of both sides

b = 1.03

So, we have

B(x) = 30000 * 1.03ˣ

So, the function is B(x) = 30000 * 1.03ˣ

The boat of Sky's family

Here, we have

Initial value = 6000

Rate of depreciation = 6%

So, the function is

f(x) = 6000 * (1 - 6%)ˣ

So, we have

f(x) = 6000 * (0.94)ˣ

In 2024, we have

x = 2024 - 2021

x = 3

So, we have

f(3) = 6000 * (0.94)³

Evaluate

f(3) = 4983.50

This value is less than the offered value of $5000

This means that Sky's family should take the offer

The rule of the function

Here, we have the graph

From the graph, we have

Initial value, a = 8

Rate, b = 4.8/8

So, we have

Rate, b = 0.6

So, the function is

f(x) = 8 * 0.6ˣ

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Answer:

2x and 180 - 5x are complementary angles.

2x + 180 - 5x = 90

-3x + 180 = 90

-3x = -90

x = 30

Answer:

  x ≥ 5

Step-by-step explanation:

You want the domain of the equation y = √(x -5) -1.

The domain of the function is the set of x-values for which it is defined. The square root is not defined for negative values, so the domain is ...

  x -5 ≥ 0

  x ≥ 5 . . . . . . the domain of this function

__

Additional comment

The range is the set of y-values the function may produce. Here, that set of values is y ≥ -1.

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The values of x that satisfy the equation are x = (-4 + 2√6) / 5 and x = (-4 - 2√6) / 5

The values of x that satisfy the equation 5x² + 4x - 4 = 0 can be determined using the quadratic formula given below:

x = (-b ± √(b² - 4ac)) / (2a)

From the equation:

a = 5, b = 4, and c = -4.

Substituting these values into the quadratic formula:

x = (-(4) ± √((4)² - 4(5)(-4))) / (2(5))

Simplifying to solve for values of x

x = (-4 ± √(16 + 80)) / 10

x = (-4 ± √96) / 10

x = (-4 ± 4√6) / 10

x = (-4 ± 2√6) / 5

Hence, x = (-4 + 2√6) / 5 or x = (-4 - 2√6)

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Answer:

Step-by-step explanation:

5/12 pounds more

Answer:

area=20ft^2

Step-by-step explanation:

3ft×4ft=12ft^2

12ft÷2=6ft is the area of the smaller triangle

7ft×4ft=28ft^2

28ft÷2=14ft is the area of the larger triangle

6ft+14ft=20ft^2

The value of x in trapezoid KFGJ is 40.

Given information:

KFGJ is a trapezoid.

KF = 20

JG = x

MN is midsegment of trapezoid KFGJ.

MN = 30

To find the value of x in trapezoid KFGJ, we can use the fact that the midsegment MN of a trapezoid is parallel to the bases and its length is equal to the average of the lengths of the bases.

In this case, MN is given as 30, and we know that KF is one of the bases with a length of 20. To find the length of the other base JG, we can use the formula for the midsegment of a trapezoid:

MN = (KF + JG) / 2

Substituting the given values, we have:

30 = (20 + x) / 2

To solve for x, we can multiply both sides of the equation by 2:

60 = 20 + x

Subtracting 20 from both sides:

x = 60 - 20

x = 40

Therefore, the value of x in trapezoid KFGJ is 40.

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The required sample size for the confidence interval and given margin of error is given as follows:

n = 1037.

A confidence interval of proportions has the bounds given by the rule presented as follows:

[tex]\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]

In which the variables used to calculated these bounds are listed as follows:

The margin of error is given as follows:

[tex]M = z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]

The confidence level is of 99%, hence the critical value z is the value of Z that has a p-value of [tex]\frac{1+0.99}{2} = 0.995[/tex], so the critical value is z = 2.575.

As we have no estimate, the parameter is given as follows:

[tex]\pi = 0.5[/tex]

Then the sample size for M = 0.04 is obtained as follows:

[tex]M = z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]

[tex]0.04 = 2.575\sqrt{\frac{0.5(0.5)}{n}}[/tex]

[tex]0.04\sqrt{n} = 2.575 \times 0.5[/tex]

[tex]\sqrt{n} = \frac{2.575 \times 0.5}{0.04}[/tex]

[tex](\sqrt{n})^2 = \left(\frac{2.575 \times 0.5}{0.04}\right)^2[/tex]

n = 1037.

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Answer:

[tex]9^{\frac{1}{8}x }[/tex]

Step-by-step explanation:

The function in the question

[tex]\sqrt[4]{9} ^{\frac{1}{2}x }[/tex]

is equivalent to

[tex]9^{(\frac{1}{4})(\frac{1}{2} x) }[/tex]

where you multiply the powers and get the final answer

[tex]9^{\frac{1}{8}x }[/tex]

The values of c  on the interval [-5, 5] are c = -[tex]5^{1/4[/tex]) and c = [tex]5^{1/4[/tex].

According to the Mean Value Theorem for Integrals, if f(x) is continuous on the interval [a, b], then there exists a value c in [a, b] such that:

f(c) = 1/(b-a) . ∫(a to b) f(x) dx

For f(x) = x⁴ on the interval [-5, 5], we have:

∫(-5 to 5) x⁴ dx = (1/5) . (5⁵ - (-5)⁵)/5

= (1/5) . (3125 + 3125)

= 1250

So we need to find c such that f(c) = 1250/10 = 125.

f'(x) = 4x³, so we can use the Mean Value Theorem for Derivatives to find a value of c that satisfies the condition.

f'(c) = (1/(5-(-5)))  . ∫(-5 to 5) f'(x) dx

= (1/10)  . [f(5) - f(-5)]

= (1/10) . [(5⁴) - ((-5)⁴)]

= 100

Therefore, by the Mean Value Theorem for Derivatives, there exists a value c in [-5, 5] such that f'(c) = 100.

Now, we need to check if there exists a value c in [-5, 5] such that f(c) = 125.

f(c) = c⁴, so we need to solve the equation c⁴ = 125.

c = ±[tex]5^{1/4[/tex]

Both of these values are in the interval [-5, 5], so they satisfy the Mean Value Theorem for Integrals.

Therefore, the values of c that satisfy the Mean Value Theorem for integrals for f(x) = x⁴ on the interval [-5, 5] are c = -[tex]5^{1/4[/tex]) and c = [tex]5^{1/4[/tex].

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Answer:  x+2

Step-by-step explanation:

It is not factorable through grouping method.   You can test for factors if you divide the factor and it goes in evenly (no remainder) then, it is a factor.

I will use synthetic division to test:

X-8:

8    |     1         -14        56       -64

     |                  8       -48        64        

           1          -6          8           0         =>no remainder so yes this is a factor

X+2:

-2   |     1         -14        56       -64

     |                 -2        32        -176        

           1         -16        88       -240       => remainder so NOT factor

X-2:

2    |     1         -14        56       -64

     |                  2       -24        64        

           1         -12        32           0        =>no remainder so yes this is a factor

X-4:

4    |     1         -14        56       -64

     |                  4       -40        64        

           1         -10         16           0        =>no remainder so yes this is a factor

Approximately 5048 sports cars will have less than 150,000 miles on the odometer

Mean = 120,000

Standard deviation = 30,000

Total group = 6000

Total Miles = 150,0000

An odometer is a device used to gauge how far a wheeled vehicle has driven. The tool might be mechanical, electrical, or a hybrid of the two.

Calculating the Z score -

z = x - u/a

= 15,0000 - 12,0000/30000

= 30000/30000

= 1

Using the standard normal table, to determine the value -

P ( Z<1) = 0.8413

Calculating the total number of cars -

= P value x total group of cars

= 6000 x 0.8413

= 5047.7 or 5048

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Answer:

Step-by-step explanation:

To find out how many degrees the tank temperature should increase during the heating hours to maintain the average temperature, we need to calculate the temperature difference between the target average temperature of 67°F and the temperature during the unheated hours (50°F).

The difference in temperature is:

67°F - 50°F = 17°F

Since the heating hours account for the remaining hours of the day, which is 24 hours minus the 14 hours when no heating is required, we have:

24 hours - 14 hours = 10 hours

To maintain the average temperature of 67°F, the tank temperature should increase by 17°F during the 10 hours of heating.

To find the increase per hour, we divide the total temperature increase by the number of heating hours:

17°F / 10 hours = 1.7°F

Therefore, the tank temperature should increase by 1.7°F per hour during the heating hours to maintain the average temperature of 67°F.

The value of a3 in the Arithmetic sequence with a1 = -10 and d = -2 is -14.

The value of a3 in the arithmetic sequence, we can use the formula for the nth term of an arithmetic sequence:

an = a1 + (n - 1) * d

Where:

- an is the nth term in the sequence

- a1 is the first term of the sequence

- d is the common difference between consecutive terms

- n is the position of the term we want to find

In this case, we are given that a1 = -10 and d = -2. We want to find the value of a3, which corresponds to the third term in the sequence (n = 3).

Plugging in the values into the formula, we have:

a3 = a1 + (3 - 1) * d

  = -10 + 2 * (-2)

  = -10 - 4

  = -14

Therefore, the value of a3 in the arithmetic sequence with a1 = -10 and d = -2 is -14.

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Answer:

Step-by-step explanation:

Interior angle sum = 180

2x - 45  +  x  =  180

3x  -  45  =  180

x  -  15  =  60

x  =  75

The volume of the storage nook is 24 cubic feet.

To find the area of 8 puzzles, we multiply the area of one puzzle by 8:

Area of 8 puzzles = 1 square foot * 8 = 8 square feet

Now, to find the volume of the storage nook, we multiply the area of the floor by its height:

Volume of the nook = Area of the floor * Height

= 8 square feet * 3 feet

= 24 cubic feet

Hence, the volume of the storage nook is 24 cubic feet.

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Answers:

Choice A)  Segment AC = 2*sqrt(17)

Choice B)  Segment BD is 32 units long

Choice F)  Segment AB is approximately 33 units long.

==========================================================

Explanation:

The triangles are similar, so we can form this proportion

CD/DA = DA/BD

2/8 = 8/x

2x = 8*8

2x = 64

x = 64/2

x = 32

BD is 32 units long

This means one of the answers is choice B. It rules out choice D.

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

The legs of right triangle ABD are

Use the pythagorean theorem to find hypotenuse AB.

a^2 + b^2 = c^2

(AD)^2 + (BD)^2 = (AB)^2

8^2 + 32^2 = (AB)^2

(AB)^2 = 64 + 1024

(AB)^2 = 1088

AB = sqrt(1088)

AB = sqrt(64*17)

AB = sqrt(64)*sqrt(17)

AB = 8*sqrt(17)

AB = 32.984845

Segment AB is approximately 33 units long.

This tells us another answer is choice F. Choice C is false because 4*sqrt(5) = 8.94427

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

BC = BD + DC

BC = 32 + 2

BC = 34

BC is the hypotenuse of triangle ABC

Use the pythagorean theorem to determine AC.

a^2 + b^2 = c^2

(AB)^2 + (AC)^2 = (BC)^2

(sqrt(1088))^2 + (AC)^2 = (34)^2

1088 + (AC)^2 = 1156

(AC)^2 = 1156 - 1088

(AC)^2 = 68

AC = sqrt(68)

AC = sqrt(4*17)

AC = sqrt(4)*sqrt(17)

AC = 2*sqrt(17)

Another answer is Choice A. It rules out choice E because 2*sqrt(17) = 8.2462 approximately.

Answer:

Step-by-step explanation:

If  the sum of their ages 8 years ago was 48 then the present age​ of girl is 16 years.

Mrs. Sarfo is three times as old as her daughter, so her present age would be 3J years.

8 years ago, Joyce's age would have been J - 8, and Mrs. Sarfo's age would have been 3J - 8.

The sum of their ages 8 years ago was 48:

(J - 8) + (3J - 8) = 48

Simplifying the equation:

4J - 16 = 48

Adding 16 to both sides:

4J = 64

Dividing both sides by 4:

J = 16

Therefore, the present age of Joyce is 16 years.

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Safiya can use either ∛12 or ∛(1/6) to find a rational product when multiplied by ∛18. So, correct options are e and f.

The cube root of 18 is an irrational number because it cannot be expressed as a fraction of two integers. Safiya needs to find a rational number that, when multiplied by ∛18, results in a rational product. To do this, she needs to look for cube roots of numbers that are perfect cubes of integers.

Option a) ∛4 is a rational number, but it is not a perfect cube of any integer. Therefore, it is not a valid choice.

Option b) ∛18 is the given number and is not a perfect cube of any integer. Therefore, it is not a valid choice.

Option c) ∛3 is a rational number, but it is not a perfect cube of any integer. Therefore, it is not a valid choice.

Option d) ∛(1/18) is a rational number, but it is not a perfect cube of any integer. Therefore, it is not a valid choice.

Option e) ∛12 is a rational number and it can be expressed as ∛(2³ × 3). Therefore, it is a valid choice.

Option f) ∛(1/6) is a rational number and can be expressed as ∛(1/216). Therefore, it is a valid choice.

So, correct options are e and f.

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For positive acute angles A and B, if it is known that SinA= 11/61 and tan B=4/3, cos(A-B) = 224/305.

We can use the trigonometric identity cos(A-B) = cosA cosB + sinA sinB to find the value of cos(A-B).

First, we need to find the value of cosA and sinB:

Since sinA = opposite/hypotenuse, we can draw a right triangle with opposite side 11 and hypotenuse 61, and use the Pythagorean theorem to find the adjacent side:

cosA = adjacent/hypotenuse = √(61² - 11²)/61 = 60/61

Since tanB = opposite/adjacent, we can draw another right triangle with opposite side 4 and adjacent side 3, and use the Pythagorean theorem to find the hypotenuse:

hypotenuse = √(4² + 3²) = 5

sinB = opposite/hypotenuse = 4/5

Now we can substitute these values into the formula:

cos(A-B) = cosA cosB + sinA sinB

= (60/61)(3/5) + (11/61)(4/5)

= 180/305 + 44/305

= 224/305

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Reason of congruency for each of the triangle are :

(a) SAS rule

(b) Triangles are not congruent.

Given are some triangles where some of the angles and sides are given to be equal.

We have to find the reason of congruency.

(a) Given two sides are equal.

One of the triangle has an included angle of 110°.

Find the included angle of the other one.

Included angle = 180 - (40 + 30) = 110°

So two sides and included angle of one is equal to the corresponding sides and angle.

So congruency is SAS rule.

(b) Length of the hypotenuse of first triangle = √(2² + 4²) = √20 cm

Length of hypotenuse of other triangle = 4 cm

The lengths are not equal.

So they are not congruent.

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Answer:

500 and 4.3

Step-by-step explanation:

A decigram is one-tenth of a gram and a kilometer is one-thousandth of a meter. Using this information, we must multiply the given amounts by the values.

5000 × 0.1 = 500

4300 × 0.001 = 4.3

Thus, the answers [in order] are 500 and 4.3

Hope this helps and feel free to ask any questions.

Step-by-step explanation:

the square root of 5 can be written as 5 ^ (1/2).

We can then multiply the exponents, so it's 9/2.

So the answer could be written as 5 ^ (9/2).

The coefficients used to perform the synthetic division are given by the first option in this problem.

The standard format of the polynomial in this problem is given as follows:

[tex]6x^4 - 7x^3 + x^2 + 3[/tex]

Considering that x has a coefficient of zero, the order of the coefficients of  the polynomial function is given as follows:

6, -7, 1, 0 and 3.

The divisor is of:

x + 4.

Hence the term on the left box is of:

x + 4 = 0 -> x = -4.

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Step-by-step explanation:

3775  +  2890-1395 = total diving meters = 5270 m

Total movement = 3775  + ( 3775 - 1395 )   +  (2890 - 1395 ) = 7650 m

The point (4, - 1) will not be a solution to the system of linear inequalities shown.

The solution of the  linear inequalities is calculated by simplifying the  linear inequalities as follows;

The given linear inequalities;

y ≥ -x/4  + 7

y > 4x + 4

Solve the linear inequalities as follows;

4x + 4 ≥ -x/4 + 7

Collect similar terms together;

4x + x/4 ≥ 7 - 4

4x + x/4 ≥ 3

Multiply through by 4;

16x + x ≥ 12

17x ≥ 12

divide through by 17;

x ≥ 12/17

x ≥ 0.7

The value of y is calculated as;

y ≥ -x/4  + 7

y ≥ - (0.25 x 0.7) + 7

y ≥ 6.8

Since y is greater than or equal to 6.8, the point (4, - 1) will not be a solution to the system of linear inequalities shown.

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Answer:

7

Step-by-step explanation:

Since one card was removed:

6 = x/4

x = 6 X 4

x = 24

Then you sum the numbers on the five cards and subtract 24 from it

(2 + 5 + 7 + 8 + 9) - 24

= 31 - 24

= 7

Therefore card with number 7 was removed.