Alex takes a full-time position that pays a salary of $58,000 per year. What is her pre-tax monthly income? Do not include a "$" in your answer.

please explain

Answer:

(11 , -7)

Step-by-step explanation:

Note that x = 9, y = -9. Plug in the corresponding numbers to the corresponding variables.

(x + 2, y + 2)

(9 + 2, -9 + 2)

Simplify.

(11, -7)

(11 , -7) is your image point.

~

1. The monomial, x, a factor of  the expression x2 + 15x "represents the side length, in centimeters, of the photo." So Choice A.

2. The binomial, (x + 15), a factor  of the expression x2 + 15x is Choice D because x is the length of the photo plus the 15 cm left of the frame.

3. The first-degree term of  the expression x2 + 15x is the area of the photo since "x" is the length. So, Choice C.

4. The second-degree term of  the expression x2 + 15x is the area of the frame around the picture. That leaves us with Choice B.

Answer:

A-1

B-4

C-3

D-2.

Step-by-step explanation:

We are given that  Patricia has a square shaped photo of her soccer team that she plans to given her coach.She decided to put the photo in a rectangular frame that is 15 cm longer than the length of the picture .

Let x be the length of side of  of square shaped photo

Then length of side of rectangular shaped frame=[tex]x+5[/tex]

We are given that the area of framed picture in quadratic expression where x represents the side length in cm of photo

[tex] x^2+15x[/tex]

[tex] x(x+15)[/tex]

The area of square=[tex] side\times side [/tex]

The area of photo=[tex] side \times side[/tex]

Therefore, the area of photo =[tex] x\times x=x^2[/tex]

The area of frame =area of framed picture- area of photo=[tex]x^2+15x=x^2=15x[/tex]

A. The length of the photo

1.The monomial x a factor of the expression

B.The area of the frame around the picture

4. The second- degree term of the expression[tex]x^2+15x[/tex]

C.The are of the photo

3.The first -degree term of the expression[tex] x^2+15x[/tex]

D.The length of the frame

2.The binomial (x+15),a factor of the expression[tex]x^2+15 x[/tex]

Answer: A-1

B-4

C-3

D-2.

Answer:

Option D (20 ≤ x ≤ 70; Rodney needs to make at least 20 more hamburgers but no more than 70).

Step-by-step explanation:

The given inequality is 30 ≤ x + 10 ≤ 80 . There are basically two inequalities. One is 30 ≤ x + 10 and x + 10 ≤ 80. x is the number of hamburgers that are to be made, 10 is the number of hamburgers already made, 30 is the lower limit of the hamburgers required, and 80 is the upper limit of the hamburgers required. The question requires to solve the inequality. To solve this, the inequality will be separated as done above.

1)

30 ≤ x + 10.

20 ≤ x.

2)

x + 10 ≤ 80.

x ≤ 70.

Now combining the two inequality gives:

20 ≤ x ≤ 70. So Rodney needs to make at least 20 more hamburgers but no more than 70. Therefore, Option D is the correct answer!!!

Answer:

20 ≤ x ≤ 70; Rodney needs to make at least 20 more hamburgers but no more than 70

Step-by-step explanation:

Let

x ----> the numbers of hamburgers that Rodney needs to make

we know that

[tex]x+10\geq 30[/tex] ----> inequality A

[tex]x+10\leq 80[/tex] -----> inequality B

Solve the inequality A

[tex]x\geq 30-10[/tex]

[tex]x\geq 20\ hamburgers[/tex]

Solve the inequality B

[tex]x\leq 80-10[/tex]

[tex]x\leq 70\ hamburgers[/tex]

so

The solution of the system of inequalities is the interval

[20,70]

[tex]20 \leq x \leq 70[/tex]

All whole numbers greater than or equal to 20 hamburgers and less than or equal to 70 hamburgers

therefore

Rodney needs to make at least 20 more hamburgers but no more than 70.

Answer:

  A.  ASA

Step-by-step explanation:

Two angles and the side between them are marked congruent. In the congruence theorem designators, A stands for Angle, and S stands for side. When there is a congruent side between two corresponding congruent angles, the ordering of the designators is A - S - A.

The ASA postulate applies.

The ASA, AAS, and SAA postulates can all be used to prove that triangles are congruent, depending on the given congruent parts. ASA stands for Angle-Side-Angle, AAS is Angle-Angle-Side, and SAA is Side-Angle-Angle (similar to ASA). If none of these postulates apply, the triangles might not be congruent.

In Mathematics, to determine whether two triangles are congruent, various postulates are employed. The options given, ASA, AAS, and SAA, are all valid postulates in which to demonstrate congruence.

The ASA postulate (Angle-Side-Angle) proves that if two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the triangles are congruent.

The AAS postulate (Angle-Angle-Side) proves that if two angles and a non-included side of one triangle are congruent to two angles and a non-included side of another triangle, then the triangles are congruent.

The SAA postulate, also known as the ASA postulate, stands for Side-Angle-Angle. If the two angles and the side opposite one of them in a triangle are congruent to the corresponding parts in another triangle, the triangles are congruent.

If none of the above postulates apply, the triangles may be not congruent.

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Answer:

Step-by-step explanation:

The cubic equation ...

  (x -3)(x -1)(x +5) = 80

has one real root: x = 5. Using that value for x, the dimensions become ...

  length = 5 - 3 = 2

  width = 5 - 1 = 4

  height = 5 + 5 = 10

The dimensions are (length, width, height) = (2, 4, 10).

_____

We cannot tell the thrust of the problem, since it has only one solution. Perhaps you're supposed to write the cubic in standard form and use the Rational Root theorem to find possible values of x. That form can be found to be ...

  (x -3)(x -1)(x +5) -80 = 0

  x³ +x² -17x -65 = 0

Descartes' rule of signs tells you there is one positive real root. The rational root theorem tells you possible rational roots are factors of 65:

  1, 5, 13, 65

We know that x must be greater than 3 (so all dimensions are positive). Thus possible values of x are 5, 13, 65, and we're pretty sure that 65 is way too large.

Answer:

Prakhar is 13 years older than his youngest sister.

Step-by-step explanation:

if we let his younger sisters age be x, and prakar is 13 years older,

then prakar's age is (13 + x)

The statement that represents the expression 13 + x is " Prakhar is 13 years older than his youngest sister".

The expression consists of at least one variable and constants with basic arithmetic operators.

Statement 1: Andrea has 13 eggs and bought 13 more

Here there is no use of variables. So, Andrea has a total of 26 eggs. "false"

Statement 2: Victoria has 13 flowers. This is greater than the number of flowers Elisa has.

The expression that represents this statement is V > E (the number of flowers that Victoria and Elisa have are denoted by V and E)

So, this also does not represent the given equation. "false"

Statement 3: Prakhar is 13 years older than his youngest sister.

Consider the age of Prakhar's younger sister = x

So. Prakhar's age becomes x + 13 or 13 + x

Thus, it represents the given expression. "true"

Statement 4: Kai is 13 blocks from home. Jack is a greater distance away.

These are not connected or related to one another. So, no variable is used and it doesn't form an expression. "false"

Therefore, statement 3 is a true expression and it is represented by the expression "13 + x".

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For this case we have that by definition, a direct variation is given by:

[tex]y = kx[/tex]

Where:

k: It is the constant of proportionality of the variables.

On the other hand, we have that the inverse variation is given by:

[tex]y = \frac {k} {x}[/tex]

Where:

k: It is the constant of proportionality of the variables.

In this way, the correct option is: [tex]y = \frac {9} {x}[/tex]

ANswer:

Option A

Answer: Option A

[tex]y = \frac{9}{x}[/tex]

Step-by-step explanation:

It is said that two variables x and y vary inversely if the increase of one of the variables causes the other to decrease.

This is represented by the following equation

[tex]y = \frac{k}{x}[/tex]

Where k is known as variation constant

To answer this question, identify among the options given that the form has

[tex]y = \frac{k}{x}[/tex]

The answer is the option A. with k = 9

Answer:

22.3 km²

Step-by-step explanation:

you are given the diameter is 5[tex]\frac{1}{3}[/tex] km

radius = 1/2 x 5[tex]\frac{1}{3}[/tex] = 2.667 km

area = π * radius² = 3.142 * 2.667² = 22.3 km²

See attachment for solution steps and answer.

Answer:

m + 15

Step-by-step explanation:

Start at the end and work backwards to the beginning of the sentence.  Most times these work like that.  I'll start with "m", then I know that 15 more than "m" is m + 15.  It would be the same thing to express that particular problem as 15 + m because addition is commutative.  But subtraction is not.

"15 less than m" is m - 15, wheras

"m less than 15" is 15 - m.  

This matters because if m = 10, for example, 10 - 15 = -5 where 15 - 10 = 5

5 and -5 are not the same answer.

Answer:

12.85 inches

Step-by-step explanation:

Angle ACP = Angle DPB = 92 degrees

because they are vertical angles

We are finding arc length, which is circumference

C = 2* pi *r

but we are only find 92 degrees of the 360 in a circle

C = 2 * pi * r * 92/360

  = 2 * pi *8 *92/360

  = 4.09 pi inches

 = 12.84562329

 = 12.85 inches

Answer:

Last answer

4.09 π

Step-by-step explanation:

Assuming CD and AB are straight lines and P is the center of the circle,

∠BPD = ∠CPA = 92°

r = 8 in

Minor Arc Length BD,

= (92/360) * 2πr

= (92/360) * 2π(8)

= 4.09 π

1.

[tex]|\Omega|=15^2=225\\|A|=5\cdot4=20\\\\P(A)=\dfrac{20}{225}=\dfrac{4}{45}[/tex]

2.

[tex]|\Omega|=15^2=225\\|A|=6\cdot5=30\\\\P(A)=\dfrac{30}{225}=\dfrac{2}{15}[/tex]

Answer:

A. y = 3 cos (1/2) x.

Step-by-step explanation:

The y-intercept is 3  so it will contain 3 cos x (because  y = cos x passes through (0, 1).

The graph of 3 cos x has been stretched horizontally  by a factor 2 ( 3 cos x would pass through (π/2, 0) whereas the given graph passes through  (π, 0).

So the equation is 3 cos(1/2) x

The function which represents the graph is  A. y = 3 cos (1/2) x.

A graph is the representation of the data on the vertical and horizontal coordinates so we can see the trend of the data.

The y-intercept is 3  so it will contain 3 cos x (because y = cos x passes through (0, 1).

The graph of 3 cos x has been stretched horizontally by a factor of 2 ( 3 cos x would pass through (π/2, 0) whereas the given graph passes through  (π, 0).

Therefore the function which represents the graph is  A. y = 3 cos (1/2) x.

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Answer:

The height does not lie on the base because it is perpendicular to the base.

Step-by-step explanation:

Jalen's error is that the height of a cone does not lie entirely at the base of the cone. Only the diameter and the radius lie entirely on the base of a cone.

A cone is a three-dimensional object that  tapers smoothly from a flat circular base to its vertex. The diameter of a circle is a straight line that touches two points on the circumference of a circle and also passes through the center. The radius is half of the diameter.

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Answer:

1950 cubic units

Answer:

[tex]1040[/tex] cubic units

Step-by-step explanation:

The volume of any oblique geometric shape is equal to the product of area of its base and the height from which its top extends to its bottom base.

Mathematically, it can be represented as -

[tex]V = (Area_{base} * height)\\[/tex]

Substituting the given values in above equation, we get -

[tex]V = (10 * 13) * 8 \\V = 1040\\[/tex] cubic unit.

Answer:

The image of Y is Y’. Have a good day.

Answer: first option.

Step-by-step explanation:

Knowing that the transformation T maps triangle XYZ onto triangle X'Y'Z', you can identify from the figure that the triangle XYZ is the preimage, because it is the original shape and the triangle X'Y'Z' is the image, because is the shape obtained after the transformation.

You can observe in the figure that the image of the vertex X is the vertex X', the image of the vertex Y is the vertex Y' and the image of the vertex Z is the vertex Z'.

Therefore, the conclusion is: The image of Y is Y'.

Answer:

y=2x-3

when two lines are parallel, they have the same slope.

in the formula y=mx+b, m=slope of the line

we know 2 will be the slope for the line passing through (4,5)

next plug in (4,5) into the formula with 2 as the slope

4=x 5=y

next 5=2(4)+b

and you end up with

y=2x-3 when you simplify

Answer:

C.

Step-by-step explanation:

To solve for x you have to move the -5y to the other side of the equals sign.  Since the opposite of subtracting is adding, we will add 5y to both sides to get

x = 5y + 6

Choice C

The value of x − 5y = 6 is x = 5y + 6.

Given:

x − 5y = 6

To find the value of x, bring the variable to the left side and bring all the remaining values to the right side. Simplify the values to find the result.

Solve the value of x, then

x - 5y = 6

Simplifying the above equation, we get

x = 6 + 5y

Therefore, the correct answer is option C) x = 5y + 6.

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Answer:

5

Step-by-step explanation:

Distance from B to B' is equal to the distance from A to A', AA'=5 so BB'=5

Answer:

Approximately 7 deaths per minute.

Step-by-step explanation:

Answer:

$532.50 / (number of members)

Step-by-step explanation:

Let m represent the number of members.

The net income (after subtracting the cost of the popcorn) was $532.50.

Thus, the amount of $ raised per member of the club was $532.50/m

Answer

(627.50-95)/m

Step-by-step explanation:

got 100%

Answer:

[tex]8g+16h=8(g+2h)[/tex]

Step-by-step explanation:

The given expression is

[tex]8g+16h[/tex]

To factor this polynomial, we just need to extract the common factor. Or you can see as the greatest common factor.

What is the greatest common factor between 8 and 16?

16: 1, 2, 4, 8, 16.

8: 1, 2, 4, 8.

You can observe that the greatest common factor is 8, so we extract it from both numbers

[tex]8g+16h=8(g+2h)[/tex]

Notice that we placed the GCM in the front as a product, if we don't do that, it would be completely wrong, because we can change the equivalence of the expression. Now, notice that each variable have different coefficients, that is because if you extract the GCM, you need to placed its quotients as coefficients.

Therefore, the factor of the polynomial is

[tex]8g+16h=8(g+2h)[/tex]

Answer:

The correct answer is last option

5/7

Step-by-step explanation:

It is given that, eight white balls and twenty black balls are in a bag

To find the probability

From the above data we get,

number of white balls = 8

Number of black balls = 20

total number of balls = 8 + 20 = 28

Probability of getting black ball = number of black ball/Total number of balls

 = 20/28 = 5/7

The correct answer is last option

5/7

Answer: It moves the graph down by 1/4

Step-by-step explanation:

I used demos and the graph had a change making it lower coordinates by a fourth.

The probability of drawing a second green marble, given that the first marble is green is:

                    [tex]\dfrac{3}{8}[/tex]

Let A denote the event that first marble is green.

B denote the event that the second marble is green.

A∩B denote the event that both the marbles are green.

Let P denote the probability of an event.

We are asked to find:

                      P(B|A) i.e. probability of drawing a second green marble, given that the first marble is green.

We know that:

[tex]P(B|A)=\dfrac{P(A\bigcap B)}{P(A)}[/tex]

Probability of drawing one green marble is 2/5  i.e.

          [tex]P(A)=\dfrac{2}{5}[/tex]

The probability of drawing two green marbles from the urn without replacement is 3/20 i.e.

[tex]P(A\bigcap B)=\dfrac{3}{20}[/tex]

Hence, we have:

[tex]P(B|A)=\dfrac{\dfrac{3}{20}}{\dfrac{2}{5}}\\\\\\i.e.\\\\\\P(B|A)=\dfrac{3\times 5}{20\times 2}\\\\\\P(B|A)=\dfrac{3}{8}[/tex]

Answer:

3/50

Step-by-step explanation:

Answer:

A. right angle

B. complementary angles

Step-by-step explanation:

<EFH is right angle

<EFG + <GFH = 90 (complementary angles, sum = 90)

Answers

A. right angle

B. complementary angles

There are multiple types of angles which can be found in geometry such as right angles (90°), acute angles (less than 90°), obtuse angles (greater than 90° but less than 180°), and straight angles (180°). Other structures like Trigonal Bipyramidal also exhibit specific angles of 90° or 120°. Trigonometry and the concept of reflection also involve dealing with angles.

In attempting to understand the types of angles that you may be referencing in your query, I am basing this response on the idea that you're asking about geometrical angles, or those about the incline referenced. In simple geometrical terms, there are a few principal types of angles we can name:

Based on the provided information, we might also be looking at the angles in a Trigonal Bipyramidal formation. Here the angles can be of 90° or 120°. The atoms attached to this structure can either be equatorial (in the plane of the triangle) or axial (above or below the plane of the triangle). Determining these from reason might require some knowledge of trigonometry. Additionally, the concept of angle of incidence and angle of reflection in the law of reflection also comes into play when dealing with angles and their measures.

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Answer:

Infinite number of solutions

Step-by-step explanation:

Since the equations are both the same, we have an infinite number of solutions! The solutions lie on the graph y = -2x+5.

The system of equations given represents the same line with infinitely many solutions,.

The system given is y = -2x + 5 and y = -2x + 5. Both equations are identical, which means they represent the same line. Therefore, every point on the line y = -2x + 5 will satisfy both equations, indicating that the system has infinitely many solutions. The slope of the line is -2 and the y-intercept is 5. This aligns with the standard form of a linear equation, y = mx + b, where m represents the slope and b represents the y-intercept.

Answer:

[tex]\dfrac{18}{5}<x<4\\ \\3.6<x<4[/tex]

Step-by-step explanation:

The picture shows three isosceles tirangles with the same legs. The base of each triangle is 12 units, 5x-3 units and 17 units.

Since the angles at vertex of each isosceles triangles are 27°, 28° and 29°, then the lengths of the bases satisfy the double inequality

15<5x-3<17

Add 3 to this inequality

15+3<5x-3+3<17+3

18<5x<20

Divide it by 5:

[tex]\dfrac{18}{5}<x<4\\ \\3.6<x<4[/tex]

Answer:

Step-by-step explanation:

| x - y | = 5

x * y = 126

x = -9; y = -14

x + y = -23

I'm not sure this may help you since I don't know how well you are at mental math so I just used guess and check by checking which pair of numbers would work.

Since the numbers are 5 apart, and they're both negative, I check which pair is equal to 126.

-6 * -11 = 66

...

-9 * -14 = 126

Remember to start from a reasonable area.  

Also, I just realized that you can use the process of elimination for this question last minute.  Since both numbers are negative, they add up to a negative number so you can cross off C and D.  You can cross of B since the only way to end up with a sum of -5 is if you end up having 0 and -5, and 0 * (-5) = 0.

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Answer:

A

- 23

Step-by-step explanation:

Two negative numbers differ by 5

Let the smaller one be x

Let the larger one be y

y - x = 5                    this will give you a plus. Let us suppose the numbers are -20 and -25.  - 25 is smaller than - 20. Which would you rather be, 20 dollars in debt or 25 dollars in debt?

So using -20 - - 25 = 5

y = x + 5                   Obtained by adding x to both sides.

xy = 126

You can eliminate C and D. Both are positive. That's not what the question says.

xy = 126                          Put  y = x + 5 in for y.

x(x + 5) = 126                  Remove the brackets

x^2 + 5x = 126                Subtract 126 from both sides.

x^2 + 5x - 126 = 0           Factor

(x + 14)(x - 9) = 0

You cannot use x - 9 = 0 because 9 is not a negative number.

x + 14 = 0

x = - 14

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

y = x + 5

y = -14 + 5

y = - 9

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

The sum of the two numbers is

- 14 + -9 = - 23

Answer:

Step-by-step explanation:

C

The equivalent expression is option (B) x^2/3 is the correct answer.

An equivalent expression is an expression that has the same value but does not look the same. When you simplify an expression, you're basically trying to write it in the simplest way possible.

For the given situation,

The expression is [tex](x^{\frac{4}{3} }x^{\frac{2}{3} } )^{\frac{1}{3} }[/tex]

The equivalent expression can be obtained as

⇒ [tex](x^{\frac{4}{3}+\frac{2}{3} } )^{\frac{1}{3} }[/tex]                       [ ∵ [tex]x^{a} x^{b}=x^{a+b}[/tex]]

⇒ [tex](x^{\frac{6}{3}} )^{\frac{1}{3} }[/tex]

⇒ [tex]x^{(\frac{6}{3}) (\frac{1}{3}) }[/tex]                         [∵ [tex]x^{(a)(b)}=x^{ab}[/tex]]

⇒ [tex]x^{\frac{6}{9} }[/tex]

⇒ [tex]x^{\frac{2}{3} }[/tex]

Hence we can conclude that the equivalent expression is option (B) x^2/3 is the correct answer.

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Answer:

23ºC to 25ºC (74° F - 77° F)