Give an example of a scatter plot with 5 points that has a correlation of r=0 on the axes below. How did you arrive at your scatter plot?

thanks, this is a answer (:

The lengths of the longest sides of the similar triangles are:40 and 16 respectively.

To calculate the lengths of the longest side of each triangle, recall that the corresponding sides of similar triangles are proportional to each other.

Therefore, we have the following:

Longest side of the first triangle = 3x - 8

Longest side of the second triangle = x

Shortest side of the first triangle = 15

Shortest side of the second triangle = 6

Thus:

3x - 8 / x = 15/6

Cross multiply:

6(3x - 8) = 15x

18x - 48 = 15x

18x - 15x = 48

3x = 48

x = 16

Longest side of the first triangle = 3x - 8 = 3(16) - 8 = 40

Longest side of the second triangle = x = 16

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Answer: There are different ways to approach this problem, but one possible method is to use the concept of percentile rank and cumulative distribution function (CDF) of the data.

Assuming we have a data set of distances that residents on this street traveled to work in a week, we can first calculate the CDF of the data, which gives the probability of observing a value less than or equal to a certain distance. For example, if there are 100 residents and 20 of them traveled 50 miles or less, then the CDF at 50 miles is 20/100 = 0.2.

Once we have the CDF, we can find the percentile rank of a given distance by multiplying the CDF by 100. For example, if the CDF at 85 miles is 0.75, then the percentile rank of a resident who traveled 85 miles is 0.75 x 100 = 75%.

Since we do not have the actual data, we cannot calculate the CDF directly. However, we can make some assumptions and estimates based on the information given. For example, if we assume that the distribution of distances is roughly normal with a mean of 30 miles and a standard deviation of 15 miles, then we can use the properties of the standard normal distribution to estimate the percentile rank of 85 miles.

Specifically, we can standardize the distance by subtracting the mean and dividing by the standard deviation:

z = (85 - 30) / 15 = 3.33

Then, we can use a standard normal distribution table or calculator to find the percentile rank of z, which is the same as the percentile rank of 85 miles in this distribution.

According to the table or calculator, the area under the standard normal curve to the left of z = 3.33 is approximately 0.9993. This means that about 99.93% of the distances in this distribution are less than 85 miles. Therefore, the percentile rank of a resident who traveled 85 miles is approximately 100 - 99.93 = 0.07, or 7%.

Since none of the answer choices match this result exactly, we can choose the closest option, which is (b) 70.

The area of the trapezoid is 159.8m²(1dp)

A trapezoid is a quadrilateral with one pair of opposite sides parallel.

The area of a trapezoid is expressed as;

A = 1/2( a+b)h

where a and b are the parallel sides

Here ;

a = 23.6 m

b = 14.9m

sin 59= h/9.7

h = sin59 × 9.7

h = 8.3

Area = 1/2( 23.6+14.9) 8.3

Area = 319.55/2

Area = 159.8m² ( 1dp)

therefore the area of the trapezoid is 159.8m²

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The Penders' total expenditure for the month of July is $126.45 less than the amount they had budgetd.

To solve for total expenditure, we total the amount of money spent for the month and minus it by the total amount of money budgeted for the month. Or you some the balance.

9. How much more or less were the Penders' total expenditures for the month of July than the amount they had budgeted? (2 points)

Expense Summary for Paul and Diana Pender for the Month of July 20                

                                        Amount B.     Amount S.        Difference

(Food/Groceries)

Food/Groceries               $290.00          $302.60       a. -12.6

(Household Expenses)    

Electricity                          $45.00            $44.35         b. 0.65

Heating                             $80.00             $0.00          c   80

Cell Phone                      $35.00              $35.00         d.   0

Water                               $24.50              $31.70          e.   -7.20

Cable/Internet                 $95.00              $95.00         f       0

(Transportation)

Gasoline/Oil                    $85.00               $101.70      g     -16.7

Parking/Tolls                    $70.00             $50.00        h.     20

(Personal)

Clothing                           $60.00                $31.75          i   28.25

Credit Card(s)                 $50,00                 $60.00          j   -10

Pocket Money                $80.00                 $93.75          k.   -13.75

(Entertainment)

Movies/Theater              $20.00                $35.00          L   -15

Sporting Events              $65.00                 $32.00         m.  33

Recreation                     $22.00                   $63.80         n.  -41.80

Dining Out                     $140.00                 $158.40        o.    -18.40

(Fixed)

Rent/Mortgage              $625.00               $625.00        p.  0

Furniture                      $125.00                  $125.00         q 0

Savings                          $250.00                $150.00        r  100

Contributions                 $8.33                       $8.33          S.  0                

                                      $2169.83               $2042.38

$290 + $45 + $80 + $35 + $24.50 + $95 + $85 + $70 + $60 + $50 + $80 + $20 + $65 + $22 + $140 + $625 + $125 + $250 + $8.33 = 2169.83

$302.60 + $44.35 + $0 + $35 + $31.70 + $95 + $101.70 + $50 + $31.75 + $60 + $93.75 + $35 + $32 + $63.80 + $158.40 + $625 + $125 + $150 + $8.33 = 2043. 38

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There are 45 ways to combine one level from each of the growth factors.

To find the total number of ways to combine one level from each of the growth factors, we need to multiply the number of levels for each growth factor.

For lighting, there are three levels: low, medium, and high.

For age, there are five levels: 1 month, 2 months, 3 months, 4 months, and 5 months.

For temperature, there are three levels: 20 °C, 22 °C, and 24 °C.

To find the total number of ways to combine one level from each growth factor, we multiply the number of levels for each growth factor:

3 (for lighting) x 5 (for age) x 3 (for temperature) = 45

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The value of x is 4 from the given figure with circle

We have to find the value of x in the given figure

3(3+5)=x(2+x)

Apply distributive property

24=2x+x²

x² +2x-24=0

x² +6x-4x-24=0

x(x+6)-4(x+6)=0

(x-4)(x+6)=0

x=4 or x=-6

The value should be positive

Hence, the value of x is 4 from the given figure with circle

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Answer:

565,482

Step-by-step explanation:

As the mosquito population grows by a constant rate of 6% each day, we can use the exponential growth formula to create an equation to find the number of mosquitoes in the city "t" days after May 10th.

[tex]\boxed{y=a(1+r)^t}[/tex]

where:

Given the size of the mosquito population on May 10th is 210,000:

Given the growth rate is 6%:

Substitute the values of a and r into the formula to create an equation for the number of mosquitos in the city "t" days after May 10th.

[tex]y=210000(1+0.06)^t[/tex]

[tex]y=210000(1.06)^t[/tex]

To calculate how many mosquitoes will inhabit the city on May 27th, substitute t = 17 into the equation.

[tex]\implies y=210000(1.06)^{17}[/tex]

[tex]\implies y=210000(2.69277278...)[/tex]

[tex]\implies y=565482.285011...[/tex]

[tex]\implies y=565482\; \sf(nearest\;whole\;number)[/tex]

Therefore, the number of mosquitoes that will inhabit the city on May 27th is approximately 565,482 to the nearest whole number.

It would take a penguin approximately 4.5 hours to travel 112.5 miles at a speed of 25 miles per hour.

To find out how long it would take a penguin to travel 112.5 miles at a rate of 25 miles per hour, we can use the formula:

time = distance ÷ speed

Substituting the values given in the question, we get:

time = 112.5 miles ÷ 25 miles per hour

Simplifying this expression, we get:

time = 4.5 hours

Therefore, it would take a penguin approximately 4.5 hours to travel 112.5 miles at its maximum speed of 25 miles per hour. It's worth noting that this calculation assumes that the penguin would maintain a constant speed throughout its journey, which may not always be the case in reality. Factors such as weather conditions, terrain, and the penguin's energy levels could all affect its speed and travel time.

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The cost of packaging per weight unit of the box is x^2/(x + 2)

From the question, we have the following parameters that can be used in our computation:

Cost = x^2

Weight = x + 2

The cost of packaging per weight unit is calculated as

Unit rate = Cost/Weight

Substitute the known values in the above equation, so, we have the following representation

Unit rate = x^2/(x + 2)

Hence, the unit cost is x^2/(x + 2)

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An amount of $17.63 was worth 125.93 yuan in 2017 when 1 yuan was worth 0.14 U.S dollar.

We must divide the dollar amount by the exchange rate of yuan to dollars on that date to get the worth of yuan in 17.63 dollars on March 8, 2017

Convert 17.63 dollars to yuan. We get:

= 17.63 * (1/ 0.14)

= 125.928571429

= 125.93 yuan

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The length of arc BC is 8/3 feet.

To find the length of arc BC, we first need to find the measure of angle BOC, where O is the center of the circle. Since angle BAC is 1/3 of one radian, and the central angle BOC intercepts the same arc BC, we know that angle BOC is three times angle BAC, or one radian.

Since the radius of the circle is 8 feet, the circumference is 2πr, or 16π feet. Since angle BOC is one radian, it subtends an arc on the circumference that is 1/2 of the total circumference, or 8π feet.

Therefore, the length of arc BC is 1/3 of arc BOC, or 8π/3 feet.

To find the length of arc BC, we will follow these steps:

1. Identify the given information: The radius of the circle is 8 feet, and the angle BAC is 1/3 of a radian.

2. Determine the central angle in radians: Since angle BAC is 1/3 of a radian, the central angle (θ) of the circle that corresponds to arc BC is also 1/3 of a radian.

3. Calculate the length of arc BC using the formula: Arc length (L) = radius (r) × central angle (θ).

In this case, r = 8 feet and θ = 1/3 radian.

L = 8 × (1/3)
L = 8/3

4. Simplify the expression: L = 8/3 feet.

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The correct answer is option D) 22,25,33,35,37,40,45.

To create a box plot, we need to find the minimum value, the maximum value, the median, and the quartiles of the data set.

Now, let's check which of the given data sets matches the information provided in the box plot:

A) 22,29,34,36,39,45: This data set does not have a minimum value of 20 or a maximum value of 45, so it cannot be represented by the given box plot.

B) 20,30,35,40,45: This data set has the correct minimum and maximum values, but it does not have a median of 32.5 or an IQR of 10, so it cannot be represented by the given box plot.

C) 22,25,35,35,35,35,36,44,45: This data set has the correct minimum and maximum values and a median of 32.5, but it does not have an IQR of 10. The Q₁ and Q₃ values are also different from the given box plot, so it cannot be represented by the given box plot.

D) 22,25,33,35,37,40,45: This data set has the correct minimum and maximum values, a median of 32.5, and an IQR of 10. The Q1 and Q3 values also match the given box plot. Therefore, this data set could be represented by the given box plot.

So, the correct answer is option D) 22,25,33,35,37,40,45.

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An inscribed square is a square whose vertices lie on the circumference of a circle.

An inscribed square is a square that is drawn inside a circle, in such a way that all four vertices of the square lie on the circle's circumference. In other words, the square is inscribed within the circle.

To construct an inscribed square, the circle's diameter is divided into four equal parts, and perpendicular lines are drawn at the endpoints of each division. These lines intersect at the center of the circle. The length of each side of the square is then equal to the radius of the circle. The square can be seen as inscribed because its vertices all lie on the circle's circumference.

An inscribed square has some interesting properties, such as the fact that its diagonal is equal in length to the diameter of the circle that circumscribes it. Additionally, the area of an inscribed square can be used to approximate the area of a circle, and vice versa.

Hence, An inscribed square is a square whose vertices are on the circle's circumference.

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The surface area of the rectangular prism is 544 square centimeters.

The figure can be observed to be a large rectangle at the center with two identical smaller rectangles by the sides

area of rectangle = length × width

area large rectangle at the center = 28 cm × 16 cm

area large rectangle at the center = 448 cm²

area of one identical rectangle by the side = 8 cm × 6 cm

area of one identical rectangle by the side = 48 cm²

area of 2 identical rectangle by the side = 96 cm²

Surface area of the rectangular prism = 448 cm² + 96 cm²

Surface area of the rectangular prism = 544 cm²

Therefore, the surface area of the rectangular prism is 544 square centimeters.

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Let's denote Molly's age as "M" and her father James' age as "J". We know that James is currently 33 years old (J = 33) and his age is three times Molly's age minus three years (J = 3M - 3).We need to find how many years from now (let's call this "Y") will James' age be twice Molly's age. In other words, in Y years, James will be 2 times older than Molly (J + Y = 2(M + Y)).

Now let's solve the problem step by step:

1. We know that J = 33 and J = 3M - 3. So, we can write the equation as: 33 = 3M - 3.
2. Add 3 to both sides: 36 = 3M.
3. Divide both sides by 3: M = 12. So, Molly is currently 12 years old.

Next, we need to find Y:

1. We know that J + Y = 2(M + Y). Substitute J and M with their values: 33 + Y = 2(12 + Y).
2. Simplify the equation: 33 + Y = 24 + 2Y.
3. Subtract Y from both sides: 33 = 24 + Y.
4. Subtract 24 from both sides: Y = 9.

So, in 9 years from now, James will be twice Molly's age.

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The expressions when simplified are (x^2-2x-35) ÷ (x^2-6x+8) × (x^2-2x) = x(x + 5)(x - 7)/(x - 4) and (x^2 - x - 12) - (x^2 - 4x - 21) = 3x + 9

From the question, we have the following expressions that can be used in our computation:

(x^2-2x-35) ÷ (x^2-6x+8) × (x^2-2x)

Factorize

So, we have

(x + 5)(x - 7) ÷ (x - 2)(x - 4) × x(x - 2)

Apply the product rule

(x + 5)(x - 7) × 1/(x - 2)(x - 4) × x(x - 2)

Cancel out the common factors

So, we have

(x + 5)(x - 7) × x/(x - 4)

Multiply

x(x + 5)(x - 7)/(x - 4)

For (x^2 - x - 12) - (x^2 - 4x - 21), we have

(x^2 - x - 12) - (x^2 - 4x - 21) = 3x + 9

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The amount of brown sugar called for in the recipe is 1134.0 grams, tenths of a gram rounded up. By dividing 40 ounces by the conversion value of 28.35 grams per ounce, you can calculate this and get 1134.0 grams.

Rounding to the closest tenth of a gram is necessary to convert 40 ounces to grams. To do this, multiply the weight in ounces by the conversion factor of 28.35 (1 ounce = 28.35 grams).

Therefore, 40 ounces of brown sugar are equivalent to:

40 ounces x 28.35 grams per ounce = 1134 grams

Because 1 gram only roughly equates to 0.04 ounces, it is vital to keep in mind that this is an estimation. This conversion factor may change based on the situation and the material being measured.

Hence, The amount of brown sugar required for the recipe is roughly 1134 grams.

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Using circle theorems, the indicated measures are:

1. m<Q = 55°      2. m<E = 39°    3. m(KN) = 190°    4. m<UTS = 69°

1. In the first problem, the circle theorem we would apply is the angle of intersecting tangents theorem, which is:

m<Q = 1/2(235 - (360 - 235)

m<Q = 55°

2. The circle theorem we would apply is the angle of intersecting secants theorem, which is:

m<E = 1/2(139 - 61)

m<E = 39°

3. Apply the angle of intersecting secant and tangent theorem, which is:

65 = 1/2(m(KN) - 60)

130 = m(KN) - 60

m(KN) = 130 + 60

m(KN) = 190°

4. The circle theorem to use is the angle of intersecting tangents theorem, which is:

11x - 8 = 1/2[(37x - 10) - (14x + 13)]

2(11x - 8) = 37x - 10 - 14x - 13

22x - 16 = 23x - 23

22x - 23x = 16 - 23

-x = -7

x = 7

m<UTS = 11x - 8 = 11(7) - 8

m<UTS = 69°

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the total number of distinct intersection points in the interior of the octagon is (20*5)/2 - 24 = 49. Therefore, the answer is (a) 49.

The number of intersections is equal to the number of intersections between each pair of the 20 diagonals. We can count the number of intersection points by counting the number of ways to choose 4 diagonals out of the 20, and then counting the number of intersection points for each set of 4 diagonals.

To count the number of intersection points for a set of 4 diagonals, note that each intersection point is determined by the intersection of two lines. Thus, we can count the number of intersection points by counting the number of pairs of lines that intersect, and subtracting the number of intersections that occur at the vertices of the octagon.

Each diagonal intersects 5 other diagonals, so there are (20*5)/2 = 50 pairs of diagonals. However, this overcounts each intersection point twice, so we need to divide by 2 to get the total number of intersection points.

At each vertex, 3 diagonals intersect. There are 8 vertices, so there are 8*3 = 24 intersections that occur at the vertices of the octagon.

Thus, the total number of distinct intersection points in the interior of the octagon is (20*5)/2 - 24 = 49. Therefore, the answer is (a) 49.

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The measure of angle C in the quadrilateral is 65 degrees.

A quadrilateral is simply a closed polygon that has four sides, four vertices and four angles

The sum of the interior angles of any quadrilateral is 360°.

The figure in the image is a quadrilateral.

Since the sum of the interior angles of any quadrilateral is 360°.

Hence:

Angle A + Angle B + Angle C + Angle D =  360°

Plug in the given values

90 + 115 + 90 + C = 360

295 + C = 360

C = 360 - 295

C = 65°

Therefore, angle C is 65°

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Answer:

2³×5²

Step-by-step explanation:

200 as a product of prime factors is 2×2×2×5×5, which is 2³×5²

Answer: Based on the given scatter plot, it appears that the relationship between the number of mold spores and the number of hours is non-linear and may be better represented by an exponential function rather than a linear function. Therefore, option 4 (an exponential function) would best model this data.

Step-by-step explanation: In the given scatter plot, the number of mold spores is decreasing as the number of hours increases, but not at a constant rate. This indicates that the relationship between the two variables is non-linear.

An exponential function is a type of non-linear function that has the general form:

y = ab^x

where a and b are constants and x is the input variable. In this case, we can think of the number of mold spores as the output variable (y) and the number of hours as the input variable (x).

An exponential function is a good choice for modeling this data because it captures the idea that the rate of mold growth (or decay) changes over time. For example, when there are many mold spores present, the rate of growth may slow down due to competition for resources, and as the number of spores decreases, the rate of decay may also slow down due to the decreased availability of food for the mold.

In contrast, a linear function (such as a straight line) assumes that the rate of change is constant over time, which does not seem to be the case for this data. Therefore, an exponential function would be a better fit for modeling the relationship between the number of mold spores and the number of hours in this experiment.

a. The first quarter's interest for the deposit that Bailey makes in a savings account paying 4¹/₂% interest compounded quarterly is $81.00.

b. The first quarter's balance is $7,281.00.

c. The second quarter's interest for the deposit that Bailey makes in a savings account paying 4¹/₂% interest compounded quarterly is $81.91.

d. The second quarter's balance is $7,362.91.

e. The third quarter's interest for the deposit that Bailey makes in a savings account paying 4¹/₂% interest compounded quarterly is $82.83.

f. The third quarter's balance is $7,445.74.

g. The first quarter's balance is $7,529.51.

h. The fourth quarter's interest for the deposit that Bailey makes in a savings account paying 4¹/₂% interest compounded quarterly is $83.76.

i. The total interest earned in the first year by the account is $329.51.

The interest type is the compound interest system.

The compound interest system charges interest on accumulated interest and the principal, unlike the simple interest system that charges interest on only the principal for each period.

N (# of periods) = 4 quarters (1 year x 4)

I/Y (Interest per year) = 4¹/₂% = 4.5%

PV (Present Value) = $7,200

PMT (Periodic Payment) = $0

Results:

FV = $7,529.51

Total Interest = $329.51

Period     PV                  PMT          Interest                FV

1         $7,200.00         $0.00          $81.00         $-7,281.00

2         $7,281.00         $0.00          $81.91          $-7,362.91

3         $7,362.91         $0.00         $82.83         $-7,445.74

4         $7,445.74        $0.00          $83.76         $-7,529.51

Year #1 end

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To find the limit of the given function as t approaches infinity, we'll analyze the function:

lim (t → ∞) (t + t^2) / (5t - t^2)

Step 1: Factor out the highest power of t in the numerator and the denominator.

t^2(1/t + 1) / t^2(-1 + 5/t)

Step 2: Simplify the expression by canceling out the t^2 terms.

(1/t + 1) / (-1 + 5/t)

Step 3: Evaluate the limit as t approaches infinity.

lim (t → ∞) (1/t + 1) / (-1 + 5/t)

As t approaches infinity, the terms 1/t and 5/t both approach 0.

(0 + 1) / (-1 + 0)

Step 4: Simplify the expression to find the limit.

1 / -1 = -1

So, the limit of the given function as t approaches infinity is -1.

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The probability that it will rain on Thursday, given that it is sunny on Sunday, is 0.5 or 50%. To set up the transition matrix for this Markov chain, we use the probabilities given in the question. The matrix would be:

P = [ 3/5 1/5 1/5 ]
   [   0  3/5 3/5 ]
   [ 1/5 3/5 1/5 ]

Each row represents the current state, and the entries in the row represent the probabilities of transitioning to each of the three states (in the same order as the states are listed).

To determine the probability that it will rain on Thursday if it is sunny on Sunday, we need to calculate the probability of being in the rainy state on Thursday, given that we are in the sunny state on Sunday. We can use matrix multiplication to find this probability. Starting with the row vector [0 0 1] (representing the initial state of being in the rainy state), we multiply it by the transition matrix three times (since we are interested in the probability on Thursday, which is three days away from Sunday):

[0 0 1] x P x P x P = [0.15 0.35 0.5]

So, the probability that it will rain on Thursday, given that it is sunny on Sunday, is 0.5 or 50%.

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The number of feet that the player A must run to reach the home team's basket using the distance formula is 64.5 feet to the nearest tenth of a feet.

Given a coordinate grid which shows the movement of the player A on a basketball court using the coordinate grid.

Position of player A = (-3, 2)

Home team's basket is at (6, 0)

We have to find the distance between the two points.

using the distance formula,

Distance between the home team's basket and player A is,

Distance = √(6 - -3)² + (0 - 2)²

               = √(9² + 2²)

               = √85 units

Given that each unit is 7 feet.

Distance = 7 × √85 units = 64.5 feet

Hence the distance from player A to the basket is 64.5 feet.

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Theorem 9.6.1 states that when the origin is an asymptotically stable critical point, the system will approach the origin as t → ∞. In order for the origin to be asymptotically stable, the eigenvalues of the Jacobian matrix evaluated at the origin must have negative real parts.

This means that the system is stable and any small perturbation away from the origin will eventually decay and return to the origin.

To determine stability, we can use the Routh-Hurwitz stability criterion or examine the signs of the eigenvalues of the Jacobian matrix. If all eigenvalues have negative real parts, the system is asymptotically stable.

If some eigenvalues have zero real parts, we need to further analyze the system to determine stability.

Overall, in order for the origin to be asymptotically stable, the system must satisfy certain conditions that ensure stability and decay towards the origin over time.

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False.

The number of vectors in the span of a set of vectors depends on the linear independence of the vectors.

The number of vectors in the span of a set of vectors depends on the linear independence of the vectors. If a set of vectors is linearly independent, then only the zero vector is in the span of the set. If a set of vectors is linearly dependent, then the span of the set contains infinitely many vectors.

So, the number of vectors in span {a1, a2, a3} can be 1, 2, or 3, depending on whether the set {a1, a2, a3} is linearly dependent or independent.

For example, if a1 = (1,0,0), a2 = (0,1,0), and a3 = (0,0,1), then {a1, a2, a3} is a linearly independent set, and the span of {a1, a2, a3} is just the set of all linear combinations of these vectors, which is the entire space R3. So, there are infinitely many vectors in the span of {a1, a2, a3}.

On the other hand, if a1 = (1,0,0), a2 = (2,0,0), and a3 = (0,1,0), then {a1, a2, a3} is a linearly dependent set, since a2 is a scalar multiple of a1. In this case, the span of {a1, a2, a3} is just the set of all linear combinations of a1 and a3, which is a plane in R3. So, there are infinitely many vectors in the span of {a1, a2, a3}.

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To show that if one set is a subset of another then the other's complement is a subset of the first's complement, we can use the definition of set complement and subset.

Let's assume that A is a subset of B, which means that every element of A is also an element of B. We want to show that the complement of B, denoted by B', is a subset of the complement of A, denoted by A'.

To prove this, we need to show that every element of B' is also an element of A'. Let x be an arbitrary element of B'. By definition, x is not an element of B. Since A is a subset of B, x cannot be an element of A either. Therefore, x must be an element of A', which means that B' is a subset of A'.

In summary, if A is a subset of B, then B' is a subset of A'.

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