PLEASE HELP!!
4. (01.01 LC)
Where is the answer to the expression 3 - 6 located on a horizontal number line? (1 point)
3 units to the left of 3
3 units to the right of 3
6 units to the right of 3
6 units to the left of 3

The answer is  20.45 years. The mean age of the combined distribution of both men and women in the course is approximately 20.45 years.(Option-c)

Since we know the percentages of men and women enrolled in the sociology course, we can use them to calculate the weighted average of the mean ages for men and women.

Let the combined distribution of both men and women be represented by the random variable X. We know that X is a weighted average of the mean ages for men and women, with weights equal to their respective percentages. That is:

X = 0.54*M + 0.46*W

We're asked to find the mean age of X. To do that, we need to find the expected value of X, which is the same as the mean of X. So we need to calculate E(X):

E(X) = E(0.54*M + 0.46*W)

By linearity of expectation, we know that:

E(aX + bY) = aE(X) + bE(Y)

So we can simplify E(X) as:

E(X) = 0.54*E(M) + 0.46*E(W)

We're given the mean ages for M and W, so we can substitute these values into the equation:

E(X) = 0.54*20.7 + 0.46*20.2

Simplifying, we get:

E(X) = 20.45 years (option-c)

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Answer:

1

Step-by-step explanation:

3/9 + 2/3

Simplify the first fraction by dividing the top and bottom by 3

1/3 + 2/3

Since the denominators are the same, add the numerators

3/3

1

The asset's variance is approximately 0.0358, and its standard deviation is approximately 0.1891.

To calculate the variance and standard deviation of the asset's returns, we'll follow the steps mentioned earlier using the given probability distribution:

⇒ Calculate the expected return (μ):

μ = (0.27 * 0.25) + (0.18 * 0.25+) + (0.10 * 0.30) + (0.04 * 0.20+)

  = 0.0675 + 0.045 + 0.03 + 0.008

  = 0.1505

⇒ Calculate the variance (σ^2):

σ^2 = [(0.27 - μ)^2 * 0.25] + [(0.18 - μ)^2 * 0.25+] + [(0.10 - μ)^2 * 0.30] + [(0.04 - μ)^2 * 0.20+]

Substituting the values and simplifying:

σ^2 = [(0.27 - 0.1505)^2 * 0.25] + [(0.18 - 0.1505)^2 * 0.25+] + [(0.10 - 0.1505)^2 * 0.30] + [(0.04 - 0.1505)^2 * 0.20+]

    = [(0.1195)^2 * 0.25] + [(0.0295)^2 * 0.25+] + [(-0.0505)^2 * 0.30] + [(-0.1105)^2 * 0.20+]

    = 0.017972 + 0.00021617 + 0.0030309025 + 0.01459516

    = 0.0358141325

⇒ Calculate the standard deviation (σ):

σ = √(σ^2)

  = √(0.0358141325)

  ≈ 0.1891

Therefore, the asset's variance is approximately 0.0358 and the standard deviation is approximately 0.1891.

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Answer:

D the slope of the line is 1/2 and the y intercept is 0 so the answer is y = 1/2x + 0 or just y = 1/2x

We are given a differential equation with an initial value problem. We will be using Euler's method to compute the approximate y-values of the solution at different x-values with the given step size.

Using the given differential equation: y′ =2−3x+2y, we know that y(0) = 3.We need to compute the approximate y-values of the solution at different x-values with the given step size of 0.5. To do that we will be using Euler's method. The Euler's method is as follows:

y1 = y0 + h(y′0)

where,y0 = 3 (initial value of y at x = 0)h = 0.5 (step size)

y′0 = 2−3x0+2y0 (the differential equation at x0 = 0, y0 = 3)

y1 = 3 + 0.5(2 - 3(0) + 2(3))= 6y2 = y1 + h(y′1)

where,y1 = 6 (the value of y at x = 0.5)

y′1 = 2−3x1+2y1 (the differential equation at x1 = 0.5, y1 = 6)

y2 = 6 + 0.5(2 - 3(0.5) + 2(6))= 12y3 = y2 + h(y′2) where,y2 = 12 (the value of y at x = 1)

y′2 = 2−3x2+2y2 (the differential equation at x2 = 1, y2 = 12)

y3 = 12 + 0.5(2 - 3(1) + 2(12))= 22y4 = y3 + h(y′3)

where,y3 = 22 (the value of y at x = 1.5)

y′3 = 2−3x3+2y3 (the differential equation at x3 = 1.5, y3 = 22)

y4 = 22 + 0.5(2 - 3(1.5) + 2(22))= 36

Thus, we used the Euler's method with step size 0.5 to compute the approximate y-values of y1≈y(0.5), y2≈y(1), y3≈y(1.5), and y4 ≈y(2) of the solution of the initial-value problem y′ =2−3x+2y, y(0) = 3.

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Answer:

AAS

Step-by-step explanation:

Answer:

EZ 3rd one think bout it commmon since

Step-by-step explanation:

Answer:

The slope is 0

Step-by-step explanation:

y = -4  is a horizontal line

Horizontal lines have a slope of zero

a) The different possible samples, assuming 2 ages are randomly selected with replacement, are:

A. (56, 56), (56, 46), (56, 60), (46, 46), (46, 60), (60, 60)

B. (56, 46), (56, 60), (46, 56), (46, 60)

C. (56, 46), (56, 60), (46, 60)

D. (56, 56), (56, 46), (56, 60), (46, 56), (46, 46), (46, 60), (60, 56), (60, 46), (60, 60)

b) To find the range of each sample, we subtract the minimum age from the maximum age. The sampling distribution of the ranges can be summarized in the following table representing the probability distribution:

Sample Range  Probability

2               2/9

10              3/9

14              3/9

c) To compare the population range to the mean of the sample ranges, we need the population range. Since the given information only provides the ages of the government officials when they died, the population range cannot be determined. Therefore, we cannot compare the population range to the mean of the sample ranges.

Note: The actual range of the population would depend on the complete set of ages of government officials, which is not provided in the given information.

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Answer:

x = -3

Step-by-step explanation:

3(4x + 8) = - 35+23​

Combine like terms

3(4x + 8) =-12

Divide by 3

3/3(4x + 8) = -12/3

4x+8 = -4

Subtract 8 from each side

4x+8-8 = -4-8

4x = -12

Divide by 4

4x/4 = -12/4

x = -3

Answer:

x= -3

Step-by-step explanation:

first distribute 3 into the parenthesis

than it will result in 12x+24=-35+23. Than add -35+23

Than it will result in 12x+24=-12. Than subtract 24 from each sides.

This will result in 12x=-36. Than divide 12/-36 than you get -3 for x

Answer:

1. d

2. c

3. b

4. a

Step-by-step explanation:

Answers:

1. d

2. c

3. b

4. a

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

Explanation:

For problem 1, subtracting a negative is the same as adding a positive. The two negatives cancel out

In problem 2, we can add a negative to mean we're subtracting. One way to think of it is like adding on debt to your bank balance.

Problem 3 is similar to problem 2. The first term -17 isn't changed.

Problem 4 is similar to problem 1. The only difference is that the 17 is negative this time around.

Answer:

$19.44

Step-by-step explanation:

5.4 gallons in the ​12-gallon tank on the coldest day of the year.

1 gallon = $3.60

5.4 gallons = x

Cross Multiply

x = 5.4 gallons × $3.60 /1 gallon

x = $19.44

Therefore, you spent $19.44 on gas

Answer:

b

Step-by-step explanation:

The domain of the graph is the value on the x-axis. Domain = 0≤y≤50,where x≥0

Since we are not given the required graph. I am going to explain in a general way that is applicable to any form of a graph

Domains are input values of a function for which the function exists.

For a graph, they are values of the curve or line function along the x-axis.

Using the attached graph for instance. The domain of the graph is the value on the x-axis. Domain = 0≤y≤50,where x≥0

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Answer: D

Steps: CXLI = 141 seconds

Plz mark brainliest:)

Answer:

PQ = 46

Step-by-step explanation:

PM = 6x - 49

MQ = 47 - 2x

6x - 49 = 47 - 2x

8x - 49 = 47

8x = 96

x = 12

PM = 6x - 49

      = 6(12) - 49

      = 23

MQ = 47 - 2x

      = 47 - 2(12)

      = 47 - 24

      = 23

PQ = PM + MQ

     = 23 + 23

     = 46

Answer:

A. By extracting square roots

1. x = 13

4. x = 6

2. b = 5/3

5. t = 9

3. y = 1/3

B. By factoring

1. x = -7

3. x = -7 or x = 2

2. m = -8 or m = -2

4. y = -5 or y = 1

C. By completing the square

1. x = 2 or x = 3

2. x = 10 or x = -8

3. x = 3 or x = -4

D. Using the quadratic formula

1. x = 2 or x = -7

2. x = 1 or x = -5

3. x = 3 or x = -4.5.

Step-by-step explanation:

A. By extracting square roots

1. x² = 169

Extracting square roots from both sides of the equation gives;

√(x²) = x and √169 = 13

∴ √(x²) = √169 = 13

x = 13

4. (x - 2)² = 16

Extracting square roots from both sides of the equation gives;

√(x - 2)²= √16 = 4

However;

√(x - 2)² = x - 2

∴ x - 2 = √16 = 4

x - 2 = 4

x = 4 + 2 = 6

x = 6

2. 9·b² = 25

√(9·b²) = √25 = 5

√(9·b²) = √9 × √(b²) = 3·b

∴ 3·b = √25 = 5

3·b = 5

b = 5/3

5. 2·(t - 3)² - 72 = 0

2·(t - 3)²  = 72

(t - 3)²  = 72/2 = 36

t - 3 = √36 = 6

t = 6 + 3 = 9

t = 9

3. (3·y - 1)² = 0

√(3·y - 1)² = √0

∴ 3·y - 1 = 0

3·y = 0 + 1 = 1

y = 1/3

B. By factoring

1. x² + 7·x = 0

By factoring, we have;

x·(x + 7) = 0

(x + 7) = 0/x = 0

x + 7 = 0

x = 0 - 7 = -7

x = -7

3. x² + 5·x - 14 = 0

Noting that 7 × (-2) = -14 and 7 + (-2) = 5, we get;

x² + 5·x - 14 = (x + 7)·(x - 2) = 0

∴ x = -7 or x = 2

2. m² + 8·m = -16

m² + 8·m + 16 = 0

Which gives;

m² + 8·m + 16 = (m + 8) × (m + 2) = 0

m = -8 or m = -2

4. 2·y² + 8·y - 10 = 0

Which gives;

2·(y² + 4·y - 5) = 0

y² + 4·y - 5 = 0/2 = 0

y² + 4·y - 5 = (y + 5) × (y - 1) = 0

y = -5 or y = 1

C. By completing the square

1. x² + 5·x + 6 = 0

x² + 5·x =  -6

Adding (5/2)² to both sides of the equation gives;

x² + 5·x + (5/2)² =  -6 + (5/2)²

Which gives;

(x + 5/2)² =  -6 + (5/2)² = 1/4

x + 5/2 = ±√(-6 + (5/2)²) = ±√(1/4)

x + 5/2 = ±1/2

x = 5/2 - 1/2 or x = 5/2 + 1/2

∴ x = 2 or x = 3

2. x² + 2·x = 8

x² + 2·x + (2/2)² = 8 + (2/2)²

2/2 = 1 and (2/2)² = 1² = 1

∴ x² + 2·x + (2/2)² = 8 + (2/2)² gives;

x² + 2·x + 1 = 8 + 1 = 9

(x + 1)² = 9

x + 1 = ±√9

x = 1 + 9 or x = 1 - 9

x = 10 or x = -8

3. 2·x² + 2·x = 24

2·(x² + x) = 24

x² + x = 24/2 = 12

x² + x = 12

x² + x + (1/2)² = 12 + (1/2)²

(x + 1/2)² = 12 + (1/2)² = 49/4

√(x + 1/2)² = √(49/4) = ±7/2 = ± 3.5

x + 1/2 = ±3.5

x = -1/2 + 3.5 or x = -1/2 - 7/2

x = -0.5 + 3.5 or x = -0.5 - 3.5

x = 3 or x = -4

D. Using the quadratic formula

1. x² + 5·x = 14

Simplifying, gives;

x² + 5·x - 14 = 0

The quadratic formula for the equation, a·x² + b·x + c = 0, is given as follows;

[tex]x = \dfrac{-b\pm \sqrt{b^{2}-4\cdot a\cdot c}}{2\cdot a}[/tex]

Comparing with the equation in the question, we get;

[tex]x = \dfrac{-5\pm \sqrt{5^{2}-4\times 1\times(-14)}}{2\times 1} = \dfrac{-5\pm \sqrt{81}}{2} = \dfrac{-5\pm 9}{2} = \dfrac{-5+ 9}{2} \ or \dfrac{-5 - 9}{2}[/tex]

x = 4/2 or x = -14/2

x = 2 or x = -7

2. 2·x² + 8·x - 10 = 0

quest

2. 2·x² + 8·x - 10 = 0

[tex]x = \dfrac{-8\pm \sqrt{8^{2}-4\times 2\times(-10)}}{2\times 2} = \dfrac{-8\pm \sqrt{144}}{4} =\dfrac{-8+ 12}{4} \ or \dfrac{-8 - 12}{4}[/tex]

x = 4/4 or x = -20/4

x = 1 or x = -5

3. 2·x² + 3·x = 27

Rewriting the above equation in the form a·x² + b·x + c = 0, we get;

2·x² + 3·x - 27 = 0

Which gives;

[tex]x = \dfrac{-3\pm \sqrt{3^{2}-4\times 2\times(-27)}}{2\times 2} = \dfrac{-3\pm \sqrt{225}}{4} =\dfrac{-3+ 15}{4} \ or \dfrac{-3 - 15}{4}[/tex]

x = 12/4 = 3 or x = -18/4 = -4.5

x = 3 or x = -4.5.

Answer:

(a) he total realized gain is $1,123,200.

(b) § 1250 gain realized in 2019 is, $276,480.

(c) The § 1231 gain realized in 2019 is, $77040.

Step-by-step explanation:

(a)

Compute Skylar's total realized gain under the installment sales method as follows:

Cash Received = $144,000

Note Receivable = $1,440,000

Total Selling Price = Cash Received + Note Receivable

                               = $144,000 + $1,440,000

                               = $1,584,000

Cost of Property = $1,152,000

Deducted Depreciation = $691,200

Adjusted Bias = Cost of Property - Deducted Depreciation

                       = $1,152,000 - $691,200

                       = $460,800

Total Realized Gain = Total Selling Price - Adjusted Bias

                                 = $1,584,000 - $460,800

                                 = $1,123,200

Thus, the total realized gain is $1,123,200.

(b)

§ 1250 gain will be same as the amount of depreciation that was in excess of the straight-line amount.

Thus, § 1250 gain realized in 2019 is, $276,480.

(c)

Total Realized Gain = $1,123,200

§ 1250 gain realized in 2019 = $276,480

§ 1231 gain = Total Realized Gain - § 1250 gain realized in 2019

                  = $1,123,200 - $276,480

                  = $846,720

The total selling price was, $1,584,000.

Compute the percentage of § 1231 gain of the selling price as follows:

§ [tex]\text{ 1231 gain}\%=\frac{846,720}{1,584,000}\times 100=53.45455\%\approx 53.5\%[/tex]

Thus, 53.5% of the cash received will be the § 1231 gain.

§ 1231 gain realized in 2019 = $144,000 × 53.5% = $77,040.

Thus, the § 1231 gain realized in 2019 is, $77040.

The distance from the center of a circle to the edge is called the radius of the circle. In this case, the distance is given as 4 units.

Therefore, the radius of the circle is 4 units.

The formula for the circumference of a circle is C = 2πr, where C is the circumference and r is the radius. If you want to find the circumference of the circle, you can use this formula by substituting the radius value.

The radius of a circle is the distance from the center of the circle to any point on the edge of the circle. If the distance from the center of the circle to the edge of the circle is 4, then the radius of the circle is 4.

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Answer:

B

Step-by-step explanation:

Hope this helps

Answer:

They can order ≤ $24 in order for the inequality to be correct

Answer:

hiiiii

Step-by-step explanation:

Answer:

-.-_-.- rlly dont use this just to find friends

Step-by-step explanation:

I think the answer of this question is number b. quadratic

Answer:

I can

Step-by-step explanation:

i can

Answer: bro u need to give us the answer choices not just the answer

Step-by-step explanation:

Answer:

Rollerskates: 9 miles/hr

Bike: 17.5 miles/hr

Step-by-step explanation:

How fast→ referring to speed

Speed= distance/ time

Rollerskates:

Distance= ¾ mile

Time= 5 mins

Since the question wants the speed to be in miles per hour, convert the time from minutes to hours.

60 mins= 1 hr

1 min= 1/60 hr

Time= 5/60 hr

Speed

[tex] = \frac{3}{4} \div \frac{5}{60} \\ = \frac{3}{4} \times \frac{60}{5} \\ = 9 \: miles/hr[/tex]

Bike:

Distance= 3.5 miles

Time

= 12 mins

= 12/60 hr

= ⅕ hr

Speed

= distance ÷ time

= 3.5 ÷ ⅕

= 3.5 ×5

= 17.5 miles/hr

Answer:

The midpoint is ( 1.5, -1.5)

Step-by-step explanation:

To find the x coordinate of the midpoint, add the x coordinates of the endpoint and divide by 2

( -2+5)/2 = 3/2 =1.5

To find the y coordinate of the midpoint, add the y coordinates of the endpoint and divide by 2

( 3-6)/2 = -3/2 =-1.5

The midpoint is ( 1.5, -1.5)

Answer: b = p - a -c  

Step-by-step explanation:

p= a + b + c  Solving for b means getting b on one side by itself.

p = a + b + c    To solve for b first subtract a from both sides to get,

-b         -b

p - a =  b + c   Now subtract  c from both sides   to get

-c              -c

p - a - c = b

b = p - a -c

Answer:

Step-by-step explanation:

Perimeter P = a + b + c

find b

P - a - c = b

b = P - a - c