You can afford a $1100 per month mortgage payment. You've found a 30 year loan at 8% interest.
a) How big of a loan can you afford?
b) How much total money will you pay the loan company?
c) How much of that money is interest?

The exact value of sin(θ) given that cos(θ) = -2√5/5 is √5/5

The given trigonometry ratio is

cos(θ) = -2√5/5

By the trigonometry ratio, we have

sin²(θ) + cos²(θ) = 1

Substitute cos(θ) = -2√5/5 into the above equation

So, we have the following representation

sin²(θ) + (-2√5/5)² = 1

Evaluate the exponent

sin²(θ) + 4/5 = 1

Subtract 4/5 from both sides

This gives

sin²(θ) = 1/5

Take the square root of both sides

√sin²(θ) = √1/5

Evaluate the square root

sin(θ) = ±1/√5

Sin is positive in quadrant II

So, we have

sin(θ) = 1/√5

Rationalize

sin(θ) = 1/√5 * √5/√5

This gives

sin(θ) = √5/5

This gives the value of sin(θ)

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The equation of the quadratic function in standard form as required in the task content is; f(x) = -x² + 12x - 43.

It follows from the task content that the standard form equation of the quadratic function is to.be determined.

Since the standard form equation can be derived from the vertex form equation as follows;

f(x) = a (x - h)² + k

f(x) = a (x - 6)² - 7

Hence, to find the value of a, Substitute x = 8 and f(x) = -11 so that we have;

-11 = a (8 - 6)² - 7

-11 = 4a - 7

4a = -4

a = -1.

Hence, the equation in vertex form is; f(x) = -1 (x -6)² - 7 and when expressed in standard form we have;

f(x) = -1(x² - 12x + 36) - 7

f(x) = -x² + 12x - 43

Therefore, the required equation in standard form is; f(x) = -x² + 12x - 43.

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Answer:

Step-by-step explanation:

there are fifty two cards in a deck, of which 26 are black and 26 are red, in addition there are 4 queens, including two of each color.

so:

P(getting red queen) = 2/52

P(getting black card) = 26/52

The null and alternative hypotheses for the research will be H0: µ ≥ 60 vs Ha: µ < 60

In statistical hypothesis testing, null and alternative hypotheses are utilized. A test's null hypothesis always predicts that there will be no effect or relationship between variables, whereas the alternative hypothesis outlines your research prediction of an effect or link.

A null hypothesis is a straightforward contradiction of an alternative hypothesis. This implies that if one of the two hypotheses is correct, the other is incorrect.

The null and alternative hypotheses are two claims about a population that are mutually exclusive. In this case, the hypothesis are illustrated above.

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Total cost of work in process Work in process inventory, ending=$1,320,000

The scenario dictates that the computation of the provided data be as follows:-

Buying raw materials will cost $1,800,000.

$20k is the opening stock of raw materials.

Raw material closing stock: $3,140,000.

Purchase of raw materials plus opening stock of raw materials minus closing stock of raw materials equals direct material used.

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The value of a, and c is 1, -3, and 0;, using the factorization of factors.

What is factorization of expressions?

To factorize an algebraic statement, we first identify the terms' greatest common factors and then arrange the terms into groups in accordance with those groups. In plain English, factorization is the process through which an algebraic statement gets expanded in the opposite direction.

Not every term may share a factor in some algebraic formulas. For instance, have a look at the algebraic formula 12a + n -na - 12. There is no specific factor that unites the terms in this statement, yet the first and last terms share a factor of 12. The common factor between the second and third terms is n. Consequently, the terms can be rearranged as follows:

12a + n - na - 12= 12a - 12 + n - an

12a - 12 - a plus n = 12(a - 1) -n (a -1)

Following regrouping, each term's common component may be shown to be (a-1): 12a + n -na - 12=(a-1) (12 – n)

In the given question,

The expression is:

[tex]\frac{31x^{2}y}{x^{5}y}[/tex]

and after simplifying the expression, we get:

[tex]\frac{31}{x^{3}}[/tex]

So, Now comparing the equation, with a[tex]x^{b}[/tex]×[tex]y^{c}[/tex], we get;

b = -3;

c = 0;

a = 1;

Hence, The value of a, and c is 1, -3, and 0;

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Answer:

The slope of this line is undefined.

The employee's new wage per hour is $10.83. The percentage increase of the original wage to his new​ wage is 3%.

A percent increase means how much a percentage has gone up over time. To find this number, one would need to find the difference between the original value and the final value, subtracting to find the exact total of the decrease. The formula for percent increase equals to "Increase / original number (value) x 100".

Given data:

First, we find 3% of $10.51 to get new wage per hour

= 0.03$ * $10.51

= $0.32

Then, we add this increase to $10.51.

= $10.51 + $0.32

= $10.83

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The missing values of the ordered pairs using the given equation are:

x = -1; y = 8

The table is:

x  | y  

-3   8

-1,   2

To find the missing values of an ordered pair that satisfies a given equation, plug n the given value of one of the variables into the equation and solve to find the value of the other variable.

The equation given is y = -3x - 1

Find the missing value of the ordered pair (-3, y) by plugging in x = -3 into the equation given:

y = -3(-3) - 1

y = 8

Find the missing value of the ordered pair (x, 2) by plugging in y = 2 into the equation given:

2 = -3x - 1

2 + 1 = -3x - 1 + 1

3 = -3x

x = 3/-3

x = -1

The ordered pairs are: (-3, 8) and (-1, 2).

Therefore, we would have:

x  | y  

-3   8

-1,   2

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Answer:

  see attached (red)

Step-by-step explanation:

You want the graph of the transformed triangle defined by the lines y=x, x=6, y=-1/3x+4 after rotation 270° and reflection across the y-axis.

A graph of the lines shows the vertices of the triangle are ...

  A(3, 3), B(6, 6), C(6,2)

Rotation 270° is described by the transformation ...

  (x, y) ⇒ (y, -x)

Reflection across the y-axis is described by ...

  (x, y) ⇒ (-x, y)

Then the composition of these transformations is ...

  (x, y) ⇒ (-y, -x) . . . . . . . . equivalent to reflection over y=-x

Applying this composition to the triangle vertices, we find its final location to be ...

  A(3, 3) ⇒ A''(-3, -3)

  B(6, 6) ⇒ B''(-6, -6)

  C(6,2) ⇒ C''(-2, -6)

The triangle with these vertices is shown in red in the attachment.

Answer:

She should choose the second cylinder-shaped box with a diameter of 30 cm and a height of 20 cm.

Step-by-step explanation:

The volume of a cylinder with a diameter of 20 cm (radius of 10 cm) and a height of 40 cm:

[tex]V=\pi{r^2h}[/tex]

[tex]V=\pi{(10^2)(40)}[/tex]

[tex]V\approx{12566.37\text{ cm}\textsuperscript{3}}[/tex]

The volume of a cylinder with a diameter of 30 cm (radius of 15 cm) and a height of 20 cm:

[tex]V=\pi{r^2h}[/tex]

[tex]V=\pi{(15^2)(20)}[/tex]

[tex]V\approx{14137.17\text{ cm}\textsuperscript{3}}[/tex]

Therefore, if Vesa wants to buy more popcorn, she should choose the second cylinder-shaped box with a diameter of 30 cm and a height of 20 cm.

The sign of coordinate of x of a point after the reflection along the y-axis will be interchanged thus the coordinate of K'(2,5).

A pair of numbers that employ the horizontal and vertical distinctions from the two reference axes to represent a point's placement on a coordinate plane. typically expressed by the x-value and y-value pairs (x,y).

The given point K(-2,-5)

If we reflect a point(x,y) along the y-axis then the coordinate after reflection converts as K'(-x,y)

The reflection of K(-2,-5) along the y-axis will be  K'(2,5).

Hence "The sign of coordinate of x of a point after the reflection along the y-axis will be interchanged thus the coordinate of K'(2,5)".

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By using Pythagoras Theorem, it can be verified that

The hypotenuse of a triangle with shorter sides 1 unit each is not an integer

What is Pythagoras Theorem?

Pythagoras Theorem states that in a right angled triangle, the square of the hypotenuse is equal to the square of the sum of Perpendicular and base

According to the question given,

Shorter sides are 1 unit each

Let the length of the hypotenuse be h units

By Pythagoras Theorem,

[tex]h^2 = 1^2 + 1^2\\h^2 = 2\\h = \sqrt{2} \ units[/tex]

[tex]\sqrt{2}[/tex] is not an integer

So the hypotenuse here is not an integer.

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The function operation (f - g)(x) of the functions f(x) = -3x² + 2x - 3 and g(x) = 2x² - 3x + 4 is -5x² + 5x - 7.

A function is simply a relationship that maps one input to one output.

Given the functions in the question;

To determine the function operation (f - g)(x), replace the function designators with the real functions and simplify.

(f - g)(x) = f(x) - g(x)

(f - g)(x) = ( -3x² + 2x - 3 ) - ( 2x² - 3x + 4 )

Apply distributive property to eliminate the parenthesis.

(f - g)(x) = ( -3x² + 2x - 3 ) - ( 2x² - 3x + 4 )

(f - g)(x) = -3x² + 2x - 3 - 2x² + 3x - 4

Collect and add like terms

(f - g)(x) = -3x² - 2x² + 2x + 3x - 3 - 4

(f - g)(x) = -5x² + 5x - 7

Therefore, the function operation (f - g)(x) is -5x² + 5x - 7.

Option A is the correct answer.

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The two expressions to be evaluated are

The problem asks for two expressions with positive and negative numbers

the positive numbers in the expressions are 2x and 4x

the negative numbers in the expressions are -5 and -3

At x = 5.

evaluating the first expression gives

y = 2x - 5

y = 2 * 5 - 5

y = 10 - 5

y = 5

evaluating the second expression gives

y = 4x - 3

y = 4 * 5 - 3

y = 4 * 2

y = 8

One of the expressions evaluated has error and on is error free

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The two quadratic equations are; y = x² + 2·x - 3 and y = -x² - 2·x + 3

Given,

x - intercepts = (−3,0) and (1,0).

The x-intercepts are given by the point at which the y-value of the equation are zero.

Therefore;

The quadratic equation are;

(x + 3)·(x - 1) = 0

x² + 2·x - 3 = 0

Quadratic equations;-

The polynomial equations of degree two in one variable of type f(x) = ax2 + bx + c = 0 and with a, b, c, and R R and a 0 are known as quadratic equations. It is a quadratic equation in its general form, where "a" stands for the leading coefficient and "c" for the absolute term of f. (x).

Here,

The equation can also be written in the form;

(-x - 3)·(x - 1) = 0

-x² - 2·x + 3 = 0

The quadratic equations are;

y = x² + 2·x - 3 and y = -x² - 2·x + 3

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The size of angle x in the isosceles triangle is:78°.

A triangle that has two sides that have congruent lengths is called an isosceles triangle. The base angles of the isosceles triangle are the angles that are opposite the congruent lengths, they are also equal to each other.

The triangle in the image below has two congruent sides, therefore, it is an isosceles triangle and the angles opposite its congruent sides will also be equal to each other.

Therefore:

x = 1/2(180 - 24)

x = 1/2(156)

x = 78°

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Step-by-step explanation:

sqrt(7) is larger than 2 (2² = 4) but smaller than 3 (as 3² is 9).

sqrt(220) is larger than 14 (14² = 196) but smaller than 15 (15² = 225).

so, the integers between them are

3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

these are 12 integer values.

Answer:

b)  64 to 76 inches.

Step-by-step explanation:

In a normal distribution, 95% of the population is within 2 standard deviations of the mean.

Given values:

Given that the mean height is 70 inches and the standard deviation is 3 inches:

[tex]\implies \mu -2 \sigma = 70-2(3)=64[/tex]

[tex]\implies \mu+2 \sigma = 70+2(3)=76[/tex]

Therefore, an appropriate height range for 95% of all people in the sample would be:

Answer:

See below

Step-by-step explanation:

y = 2x+1     <====  is in form   y = mx + b   where 'm' is the slope

       ....arrange the other into this form

y = 2x-3         <===== this has the same slope as the other line

                          so the two lines are PARALLEL

Periods are the rows that span the periodic table. Families or groups are the columns that go from Page 2 up.

The maximal energy level of the electrons serves as a marker for the period (or row) in the periodic table that an atom belongs to (1 through 7). The table has 7 periods, hence there are 7 energy levels. The first period's atoms have electrons in the first energy level. The second period's atoms have electrons in two different energy states. The third period's atoms have electrons in three different energy levels. The fourth period's atoms have electrons in four different energy levels. Typically, the number of the period itself is the same as the number of energy levels in each period. The first period's atoms have electrons in the first energy level.

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Answer:

Step-by-step explanation:

You want the measures of the named angles in the given figure, given c=30°.

A right angle is 90°.

A linear pair totals 180°.

Vertical angles are congruent.

Angles that make up a right angle total 90°.

Angle 'a' is marked as a right angle, so a = 90°.

Angle b is complementary to angle c, so is ...

  b + c = 90°

  b = 90° -c = 90° -30° = 60°

Angle c is given as 30°.

Angle d is part of a linear pair with angle c, so is ...

  d = 180° -30° = 150°

Angle e is a vertical angle with respect to angle c, so is congruent to it.

  e = 30°

The quadratic equation f(x) = - (x + 2)² + 17 represents the graph shown.

In this problem we have the definition of a quadratic equation in its vertex form, whose definition is explained below:

f(x) = a · (x - h)² + k

Where:

We need to determine the quadratic equation related to a graph shown.

First, determine the coordinates of the vertex:

(h, k) = (- 2, 17)

Second, find the vertex constant:

a = [f(x) - k] / (x - h)²

a = (13 - 17) / (0 + 2)²

a = - 4 / 4

a = - 1

Third, write the resulting function:

f(x) = - (x + 2)² + 17

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Step-by-step explanation:

the exponential growth function is

f(t) = v0 × (1 + k)^t

1977 to 1989 is 12 years (t).

a)

so, we have

467 = 209 × (1 + k)¹²

467/209 = (1 + k)¹²

12th root(467/209) = 1 + k = 1.069295033...

k = 0.069295033...

b)

f(t) = 209 × 1.069295033...^t

c)

2009 = 32 years after 1977

f(32) = 209 × 1.069295033...³² = $1,783.478472... ≈

≈ $1,783.48

d)

double the value of 209 is 418.

418 = 209 × 1.069295033...^t

2 = 1.069295033...^t

t = log1.069295033...(2) =

= log(2)/log(1.069295033...) = 10.34554457... ≈

≈ 10.3 years

e)

2221 = 209 × 1.069295033...^t

2221/209 = 1.069295033...^t

t = log1.069295033...(2221/209) =

= log(2221/209)/log(1.069295033...) =

= 35.27452616... years ≈

≈ 35.3 years

35 years would mean end of 2012. so, 35.3 years would be early 2013.

Answer:

Step-by-step explanation:

What is Set Theory Formula?

The set formula is given in general as n(A∪B) = n(A) + n(B) - n(A⋂B), where A and B are two sets and n(A∪B) shows the number of elements present in either A or B and n(A⋂B) shows the number of elements present in both A and B.

In a set theory, there are three major types of operations performed on sets, such as: Union of sets (∪) Intersection of sets (∩) Difference of sets (–)

Set Operations include Set Union, Set Intersection, Set Difference, Complement of Set, and Cartesian Product of Set

Set Union

The union of sets A and B (denoted by A ∪ B) is the set of elements that are in A, in B, or in both A and B. Hence, A ∪ B = { x | x ∈ A OR x ∈ B }.

n(A∪B) = n(A) + n(B) − n(A∩B)

Set Intersection

The intersection of sets A and B (denoted by A ∩ B) is the set of elements which are in both A and B. Hence, A ∩ B = { x | x ∈ A AND x ∈ B }.

n(A∩B) = n(A)+n(B)−n(A∪B)

Set Difference

The set difference of sets A and B (denoted by A - B) is the set of elements that are only in A but not in B. Hence, A - B = { x | x ∈ A AND x ∉ B }.

Complement of a Set

The complement of a set A (denoted by A’) is the set of elements which are not in set A. Hence, A' = { x | x ∉ A }. More specifically, A'= (U - A) where U is a universal set that contains all objects.

The complement of a universal set is an empty set U′ = ϕ. The complement of an empty set is a universal set ϕ′ = U.

Cartesian Product / Cross Product

The Cartesian product of n number of sets A1, A2, ... An denoted as

A1 × A2 ... × An can be defined as all possible ordered pairs

De-Morgan's Law - The De Morgan's law states that for any two sets A and B, we have (A ∪ B)' = A' ∩ B' and (A ∩ B)' = A' ∪ B'

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The length of the other two sides of the rectangular garden is 6 meters and the perimeter of the garden is 18 meters.

According to the question,

We have the following information:

Two sides of a rectangular garden are 3 meters long. The area of the garden is 18 square meters.

We know that the following formula is used to find the area of rectangle:

Length*width = 18

Length*3 = 18

Length = 18/3

Length of the rectangular garden = 6 meters

Now, perimeter of the rectangular garden:

2(length+width)

2(6+3)

2*9

18 meters

Hence, the length of the other two sides of the rectangular garden is 6 meters and the perimeter of the garden is 18 meters.

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With the help of substitution the answer to the equation is - (-9/2 , 5/2)

acc to our question -

Hence,The solution to the equation is (-9/2, 5/2) using substitution.

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