Select the correct answer A developer buys an empty lot to build a small house. What is the area of the lot?
A. 323 yd²
B. 183 yd²
C. 193 yd²
D. 171 yd²​

The angle of pairs = 170.

The scalar product is the product between two vectors whose result is a scalar.

Where A and B are the vectors, |A| and |B| are the modules of the vectors and θ at the angle between them.

The vector is given in Cartesian coordinates and the unit vectors in these coordinates are perpendicular.

We look for the modulus of each vector.

In conclusion using the dot product we can find the angle between the two vectors is:

Hence, the angle θ = 170º

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Answer:

x ≥ 4

Step-by-step explanation:

-4 ( 8 - 3x ) ≥ 6x - 8

First, solve the brackets.

- 32 + 12x ≥ 6x - 8

Subtract 6x from both sides.

- 32 + 12x - 6x ≥ - 8

- 32 + 6x ≥ - 8

Add 32 to both sides.

6x ≥ - 8 + 32

6x ≥ 24

Divide 6 by both sides.

x ≥ 4

A circle is a two-dimensional figure with a radius and circumference of 2 x pi x r.

The area of a circle is given as:

Area = πr²

The total sector of a circle is 360°

The area of the sector of 270° is 37.68 square meters.

A circle is a two-dimensional figure with a radius and circumference of 2 x pi x r.

The area of a circle is given as:

Area = πr²

We have,

The radius of the circle = 4 m

The total sector of a circle is 360°

The area of the sector with 270°.

= (270°/360°) x πr²

= 0.75 x πr²

= 0.75 x 3.14 x 4²

= 37.68

= 37.7 square meters

Thus,

The area of the sector of 270° is 37.68 square meters.

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Answer:

40

Step-by-step explanation:

2 x 10⁷/5 x 10⁵ = 2/5 x 10^5-7 = 2/5 x 10² = 2 x 100/5

There were 40 times more white-tailed deer in 2000 than in 1905

The following relation are said to be the functions:

{(-5, 1), (-2, 0), (-1, 1), (2, 4), (6,3)}

Relation:

Relation in math is a set of ordered pairs defining the relation between two sets.

Given,

Here we have the following relation

{(-5, 1), (-5, 0), (-2, 1), (-1, 4), (6, 2)}

{(-5, 1), (-2, 0), (-2, 2), (3, 4), (6, 2)}

{(-5, 1), (-2, 0), (-1, 1), (2, 4), (6,3)}

{(-5, 3), (-2, 0), (-1, 2), (6, 4), (6,3)}

Now, we need to identify the which relations are the functions.

We know that the function means the relation in math such that each element of the domain is related to a single element in the codomain.

While we check this condition with each relation then we get,

{(-5, 1), (-5, 0), (-2, 1), (-1, 4), (6, 2)}

This one is not a relation because here -5 take two output values.

{(-5, 1), (-2, 0), (-2, 2), (3, 4), (6, 2)}

This one is not a relation because here -2 take two output values.

{(-5, 1), (-2, 0), (-1, 1), (2, 4), (6,3)}

This one is a function because each domain has exactly one co domain

{(-5, 3), (-2, 0), (-1, 2), (6, 4), (6,3)}

This one is not a relation because here -6 take two output values.

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Answer:

The answer you are looking for is 0.35 foot per second.

Step-by-step explanation:

Formula = divide the speed by 20

(Or in this case 7 divided by 20).

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5 inches

I just randomly guessed

Answer: B

Step-by-step explanation:

For 237,629 the 6 is located in the hundreds section so its value is approx. 600.

Now when you multiply 600 by 10 you get 6000

So the number of 6 should be located in the 6,000 range which is only in answer B 426,579

Answer:

B- 426,579

Step-by-step explanation:

The value of 6 in 237,629 is 600

600×10=6,000

Which answer has 6,000 as the value of 6?

- Answer B: 426,579

Answer:

(simplify 26³)

26³ = 17,576

= 17,576 + 5 = 3³+57

(simplify 3³)

3³ = 27

= 17,581 = 27+57

= 17,581 ≠ 84

Answer:

I'm assuming it's just a conversion of mm into cm?? in that case it will be 2.4 cm

The length of the horizontal distance of the ramp if The entrance to Mrs. Giles's business is 28 inches higher than the parking lot in front of her store is 28 feet.

Comparing one quantity to another is what it is. For instance, the weight ratio is 1:3 if you weigh 30 kg and your father weighs 90 kg.

Given:

The ratio of vertical and horizontal distance = 1:12,

The vertical distance of  Mrs. Giles's business  = 28 inches,

If for every one unit of vertical distance, the ramp must have 12 units of horizontal distance, so or 28 inches vertical distance the horizontal distance would be = 28 × 12 = 336 inches,

([tex]1 feet = 12inches[/tex])

= 336 / 12 = 28 feet

Therefore, The length of the horizontal distance of the ramp if The entrance to Mrs. Giles's business is 28 inches higher than the parking lot in front of her store is 28 feet.

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The cost, in dollars, of each baseball is B. $6.00.

The first customer paid $60.00 for 4 baseballs and 2 gloves. This will be expressed as:

4b + 2g = 60

The second customer paid $84.00 for 5 baseballs and 3 gloves. This will be:

5b + 3g = 84

Collect both expressions

4b + 2g = 60

5b + 3g = 84

Multiply equation i by 3

Multiply equation ii by 2

12b + 6g = 180

10b + 6g = 168

Subtract

2b = 12

Divide

b = 12/2

b = 6

The baseball is $6.

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$17690 is the amount Michael owed his dad .

 Equations and equations of maximum degree 1 are also called "linear equations". The linear equation formula can be written as Y = mx + b. where m is the slope of the line, b is the y-intercept, and x and y are the variables. Slope indicates the direction and slope of the line. . This is because (0,y) is the point where the line intersects the y-axis.

The amount Michael owes is given by :

y = - 290x +18,560

x = number of months ; y = amount owed

Amount owed after 3 months :

Put x = 3 in the equation :

y= - 290(3) +18,560

y = - 870 + 18560

y = 17690

According to the general form of a linear equation :

y = mx + c

Where, m = slope ; c = intercept

The slope = - 290 ; Intercept = 18560

Slope is the change in y per unit change in x ; The slope means that amount owed, y decreases by 290 per month

The intercept shows that the original amount borrowed is 18560

Amount Michael owes his father decreases by 290 per month.

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Answer:

48 square inches

Step-by-step explanation:

A=1/2 bh

A=(1/2)(8)(12)

A=(4)(12)

A=48 square inches

you can also multiply 8 x 12 then divide by 1/2 or 2 which is still 48. either way is correct but since the formula is half of the base times height that is the step i followed. Also area is always whatever measurement used (in this case inches) squared.

The probability of drawing two queens without replacement from ths standard deck is 1/221.

Probability is the likelihood that an event will occur.

In a standard deck of cards, the total number of cards is 52.

There are 4 queens, the probability of drawing the first queen is 4/52.

After the first draw, there'll be 3 queens left and 52 cards. Therefore, the probability will be:

= 4/52 × 3/51

= 1/13 × 1/17

= 1/221

The probability is 1/221.

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a) The inequality is

P + S + M > 60

b) The solution of the inequality is:

P > 19

Where P is Pedro's age.

c) The oldest brother has more than 21 years-

Let's define the variables:

p = Pedro's age.

S = Sebastian's ae

M = Manuel's age

We know that the sums of their ages is more than 60, then:

P + S + M > 60

This is the inequality.

b) We know that the brother are one year apart, then:

S = P + 1

M = P + 2

replacing that we get:

P + P + 1 + P + 2 > 60

3P + 3 > 60

3P > 60 - 3

3P > 57

P > 57/3 = 19

P > 19

So Pedro has more than 19

c) The oldest brother is 2 years older than Pedro, then:

M > 19 + 2

M > 21

Manuel is more than 21 years old.

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Answer:

$13,720.00

Step-by-step explanation:

Calculate simple interest using the equation A = P(1 + rt)

A = $41,720.00

Interest = total repayment - original cost

$41,720.00 - 28,000 = $13,720.00

The polynomial in standard form is equal to 2 · x³ + 12 · x² - 64.

Cubic equations have three roots. In this problem we need to derive a cubic equations whose three real roots (r₁, r₂, r₃) and leading coefficient (a) are given. The procedure consists in substituting on factor form of a cubic polynomial and expanding the resulting expression until standard form is obtained.

First, substitute on the factor form of the cubic equation:

y = 2 · (x - 2) · (x + 4)²

Second, expand the polynomial until its standard form is found:

y = 2 · (x - 2) · (x² + 8 · x + 16)

y = 2 · (x³ + 8 · x² + 16 · x - 2 · x² - 16 · x - 32)

y = 2 · (x³ + 6 · x² - 32)

y = 2 · x³ + 12 · x² - 64

The polynomial is equivalent to 2 · x³ + 12 · x² - 64.

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After using conversion of measurements , the answer is

60 km = 37.28 miles and 600km = 372.83 miles.

What is conversion of measurements?

  By multiplying or dividing a number, a conversion factor can be used to change one set of units to another. If a conversion is required, it must be done using the correct conversion factor to get an identical value. The correct conversion factor, for instance, is 12 inches to 1 foot when converting between inches and feet. We must convert between different units in order to have accuracy and prevent measurement confusion.

Here the given we need to convert them km into miles.

To convert km to miles we need to divide the value by 1.609 .

=> 60 km

=> 60/1.609

=> 37.28 miles.

Now ,

=> 600 km

=> 600/1.609

=> 372.83 miles.

Therefore after conversion of measurement answer is

60 km = 37.28 miles and 600km = 372.83 miles.

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The values of x and y are 4 and 3 respectively, this forms an ordered pair of (1,3) and (4,-3).

Given the equation and ordered pair the question;

To determine, the y-value, plug the x-value into the equation and solve for y.

6x + 3y = 15

Plug in x = 1

6(1) + 3y = 15

6 + 3y = 15

3y = 15 - 6

3y = 9

y = 9/3

y = 3

To determine, the x-value, plug the y-value into the equation and solve for x.

6x + 3y = 15

Plug in y = -3

6x + 3( -3 ) = 15

6x - 9 = 15

6x = 15 + 9

6x = 24

x = 24/6

x = 4

Therefore, the ordered pair are (1,3) and (4,−3).

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The slope of the line that is parallel to the line -7x-5y=-6 is -7/5

It is possible to determine a line's direction and steepness by looking at its slope. Finding the slope of lines in a coordinate plane can aid in anticipating whether the lines are parallel, perpendicular, or none at all without actually using a compass.

Any two unique places along the line may be used to determine the slope of any line. When two different places on a line are considered, the slope of a line formula compares the vertical change to the horizontal change in each case. We shall comprehend how to discover the slope in this piece, along with some of its uses.

Given, line is -7x-5y=-6

We have to write the given line in slope-intercept form

Then, y= (-7/5)x+(6/5)

The slope-intercept form is y= mx +c

By using the slope-intercept form,

Slope=(-7/5)

The lines that are parallel to y= (-7/5)x+(6/5) have the same slope of -7/5

Therefore, the slope of the line that is parallel to the line -7x-5y=-6 is -7/5

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Answer:

No

Step-by-step explanation:

It does not make sense becuse 6x9=54

And 4x9(2)=72 so it would make no sense

The required equation of g(x) for reflection of f(x)=x-2 across the y-axis is g(x)=-x-2.

Reflection is basically a mirror image of the shape, in which the image of a given figure changes accordingly to a given line or axis.

Given that,

f(x)=x-2

To find the required equation  for g(x) that is reflected across the y-axis, Use reflection property,

According to reflection property,

Reflection Across the y-axis, the x change in -x and the remaining part of the equation remains same.

The equation of f(x) changes in g(x) as g(x)=-x-2,

So, the equation of g(x)=-x-2 .

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Answer: 2-i

Step-by-step explanation:

multiply the fraction by 3-i/3-i

Answer:

x = 12 m

Step-by-step explanation:

the area (A) of a rectangle is calculated as

A = length × width

here A = 44 , then

x × 3 [tex]\frac{3}{4}[/tex] = 44 ( change mixed number to improper fraction )

x × [tex]\frac{11}{3}[/tex] = 44 ( multiply both sides by 3 to clear the fraction )

11x = 132 ( divide both sides by 11 )

x = 12 m

The differentiation of the given function is [tex]9x^2tan(x^4)[/tex] + [tex]12x^{6}sec^2(x^4)+8x^3sec^2(x^4)[/tex].

In the given question we have to differentiate the given function with respect to x.

The given function is f(x)= [tex]tan(x^4)\cdot(3x^3+2)[/tex].

We have to differentiate the given function so we differentiate using the Product Rule.

The Product Rule of Differentiation is

d/dx[h(x)g(x)]=h(x) d/dx g(x)+g(x) d/dx h(x)

In the given function the value of

h(x) = [tex]tan(x^4)[/tex] and g(x) = [tex](3x^3+2)[/tex]

So;

f'(x)= [tex]tan(x^4)[/tex]d/dx [tex](3x^3+2)[/tex] + [tex](3x^3+2)[/tex] d/dx [tex]tan(x^4)[/tex]............(1)

We firstly find the value of d/dx [tex](3x^3+2)[/tex] and d/dx [tex]tan(x^4)[/tex].

We firstly find the value of d/dx [tex](3x^3+2)[/tex]

As we know that d/dx of x^n =nx^(n-1) and d/dx a=0

So;

d/dx [tex](3x^3+2)[/tex]= 3 d/dx [tex]x^3[/tex]+d/dx 2

d/dx [tex](3x^3+2)[/tex]=3(3[tex]x^2[/tex])+0

d/dx [tex](3x^3+2)[/tex]=9[tex]x^2[/tex]

Now finding the value of d/dx tan([tex]x^4[/tex])

d/dx [tex]tan(x^4)[/tex] = d/dx [tex]tan(x^4)[/tex] d/dx [tex]x^4[/tex]

d/dx [tex]tan(x^4)[/tex]= [tex]sec^2(x^4)\cdot(4x^3)[/tex]

d/dx [tex]tan(x^4)[/tex]= [tex]4x^3sec^2(x^4)[/tex]

Now putting the values of differentiation in equation 1

f'(x)= [tex]tan(x^4)\cdot9x^2[/tex] + [tex](3x^3+2)\cdot4x^3sec^2(x^4)[/tex]

f'(x)= [tex]9x^2tan(x^4)[/tex] + [tex]3x^3\cdot4x^3sec^2(x^4)+2\cdot4x^3sec^2(x^4)[/tex]

Simplifying

f'(x)= [tex]9x^2tan(x^4)[/tex] + [tex]12x^{3+3}sec^2(x^4)+8x^3sec^2(x^4)[/tex]

f'(x)= [tex]9x^2tan(x^4)[/tex] + [tex]12x^{6}sec^2(x^4)+8x^3sec^2(x^4)[/tex]

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Answer:

The first column is usually for the categories of the data set and the second or third column is usually for the frequency of each category.

The number written on the right of each category is its frequency

Step-by-step explanation: