Mathematics High School

Jack Watkins earns a base salary of $1500 a month, plus a 4% commission on the sales he makes. What is his gross pay of his sales for the month are $8000.

A. 1520
B. 1532
C. 1700
D. 1820

Answers

Answer 1
Jack Watkins earns a base salary of $1500 a month, plus a 4% commission on the sales he makes. What is his gross pay of his sales for the month are $8000. 
solution:
Gross pay=(salary)+(commissions)
base salary=$1500
commission=4%
monthly sales=$8000
commissions earned in cash
=4/100×8000
=$320

thus
Gross salary=320+1500=$1820

Related Questions

What are the similarities and differences between these data sets in terms of their centers and their variability?

Data Set A: 14, 21, 24, 28, 28, 35

Data Set B: 18, 19, 21, 25, 29, 32



Select from the drop-down menus to correctly complete the statements.

Comparing the centers of the data sets, the median for Data Set A is (less than, greater than, equal to) the median for Data Set B. The mean for Data Set A is (less than, greater than, equal to) the mean for Data Set B.

Answers

the median for data A is greater.
the mean for data A is greater.

Answer:

a

Step-by-step explanation:

Find the number if the square root of another number that is 6 greater than this number is equal to the number itself.

Answers

Answer:

The number is 3 and the another number is 9

Step-by-step explanation:

Let

x-------> the number

y-----> another number

we know that

[tex]y=x+6[/tex] ----> equation A

[tex]\sqrt{y}=x[/tex] ----> equation B

Substitute equation A in equation B

[tex]\sqrt{x+6}=x[/tex]

squared both sides

[tex]x+6=x^{2} \\x^{2}-x-6=0[/tex]

Using a graphing tool

solve the quadratic equation

see the attached figure

The solution is  x=3

Find the value of y

[tex]y=x+6[/tex] -------> [tex]y=3+6=9[/tex]

The members of a chorus agree to buy at least 250 tickets for and outside concert. They buy 20 fewer ow tickets that balcony tickets. What is the lowest number of balcony tickets bought

Answers

135 tickets on the balcony and 115 ow tickets. 

This is because you can set balcony equal to x and ow equal to x - 20. Then you can add them together and set equal to 250. Simplify and solve for x. 

A wood board is one of a 6 different parts in a shelf kit. the width, depth, and height dimensions of the board are 42 inches x 8 inches x .75 inches, respectively. the board is made from southern yellow pine, which has an air dry weight density of .021 lbs/in.3. (watch the units of measure)

Answers

the complete question is
A wood board is one of a 6 different parts in a shelf kit. the width, depth, and height dimensions of the board are 42 inches x 8 inches x .75 inches, respectively. the board is made from southern yellow pine, which has an air dry weight density of .021 lbs/in.3. (watch the units of measure)
1) What is the volume of the wood board? Precision = 0.00
2) What is the surface area of the wood board? Precision = 0.00
3)What is the weight of the wood board? Precision = 0.00
4) If one gallon of paint will cover 35,000 square inches, how many gallons would be needed to give two coats of paint to 15,000 boards? Round your answer to the nearest gallon

Part 1) What is the volume of the wood board? Precision = 0.00
we know that
volume=L*W*H-----> 42*8*0.75----> 252 in³

the answer Part 1) is 252 in³

Part 2) What is the surface area of the wood board? Precision = 0.00

surface area=2*area of the base+perimeter of the base*height

area of the base=42*8----> 336 in²
perimeter of the base=2*[42+8]----> 100 in
height=0.75 in


surface area=2*336+100*0.75----> 672+75----> 747 in²

the answer Part 2) is 747 in²

Part 3)What is the weight of the wood board? Precision = 0.00

we know that
density=mass/volume-----> mass=density*volume
density=0.021 lbs/in³
volume=252 in³
mass=0.021*252----> 5.292 lbs

the answer Part 3) is 5.29 lbs

Part 4) If one gallon of paint will cover 35,000 square inches, how many gallons would be needed to give two coats of paint to 15,000 boards? Round your answer to the nearest gallon

if 1 gallons cover------------> 35000 in²
x -----------------------> 747 in² (one board)
x=747/35000-----> x=0.021 gallons per 1 board
so
15000*0.021------> 320.14 gallons
but remember ------> two coats of paint
so
320.14*2-----> 640.28 gallons------> 640 gallons

the answer Part 4) is 640 gallons

In a factory, a parabolic mirror to be used in a searchlight was placed on the floor. It measured 40 cm tall and 90 cm wide. Find an equation of the parabola with its vertex at the origin.

Answers

Equation of a parabola that opens up with vertex at it's origin: x^2=4py
point on the parabola:(45,40)
equation:
45^2=4p(40)
4p=45^2/40=40.625
thus
x^2=(50.625)y

Answer: x^2=(50.625)y

The average age of the children at a campout is shown in the box plot below. Which statement is true about the box plot? The youngest age is 7. It is skewed right. More of the children were close to 12 years old than 6 years old. Half of the children were between 6 and 9 years old.

Answers

The answer is c. More of the children were close to 12 years old than 6 years old.

The statement that is true about the box plot is that: C. more of the children were close to 12 years old than 6 years old.

What is a Box Plot?

A box plot shows how a data is distributed, as it displays the five-number summary.

here, we have,

The five-number summary of the box plot representing the average age of children is:

Min = 6 (youngest age)

Lower quartile (Q1) = 9 (25% of the children are below 9)

Median = 10

Upper quartile = 11 (50%, which is half of the children are between 9 years and 11 years old)

Max = 12 (oldest)

Therefore, the statement that is true about the box plot is that: C. more of the children were close to 12 years old than 6 years old.

Learn more about box plot on:

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How many solutions does 15x+11=8x

Answers

Hello there!

How many solutions does 15x + 11 = 8x


Answer: 1 solution
-------------------------------------------------------------------------------------------------------

Explanation:


To solve this, we must isolate the x.

15x + 11 = 8x

We will subtract 15x from each side to isolate the x.

15x + 11 = 8x
- 15x         -15x

11 = -7x

Finally, we must simplify this by dividing each side by -7

11 = -7x
---    ----
-7     -7


Our answer is: -11/7 = x

Ths means that this equation only has one solution.


I hope I helped!

Let me know if you need anything else!

~ Zoe


Hi there,

To get the number of solutions that the equation is giving, we are going to need to solve the equation. Here’s how to find the solution...

15x+11= 8x

If we collect it sorta like terms we are going to get:

11=8x-15x

11=-7x dividing both of the sides by -7 we get:

x=-7/11


The number of solutions you have is 1. So your answer would be one.

What's the probability a number is odd given that it's an integer between 0 and 11?

Answers

A odd number lie between 0 and 11(0 and 11 not included), it means that total of ten numbers, starting from {1,2,3........,10} form our sample space.

sample space=s={1,2,3....,10}=total 10 numbers
So,
m=total no. of odd numbers{1,3,5,7,9} in our sample space=5 numbers
 
probability that number is odd=p=m/s
p=5/10=0.5
  

If the surface area of a sphere is 256π cm2, what is the radius?
4 cm
8 cm
12 cm
16 cm

Answers

8.

If you rearrange the equation for surface area to solve for r then you can plug the 256pi into the equation and get 8. 

The formula for surface area of the sphere is -

Surface area of sphere = 4πr²

Now, the surface area of sphere is given to us as = 256π cm²

Thus,

4πr² = 256π cm²

While equating the equations, we will get

4r² = 256 cm²

r² = 64 cm²

64 is the square of 8, thus the radius of sphere will be = 8 cm.

The correct answer will be = 8 cm radius

Ellen needs to buy 180 inches of ribbon to wrap a present. The store sells ribbon only in whole yards. How many yards does Ellen need to buy to have enough ribbion

Answers

If very 36 inches is a yard and you divide 180 inches by 36 you would be left with 5 so see would need 5 yards of ribbon  

A boy flies a kite with a 100-foot-long string. The angle of elevation of the string is 48°. Find the vertical distance between the kite and the point at which the boy is holding the string.

Answers

The vertical distance will be given by:
sinθ=opposite/hypotenuse
where:
θ=48°
opposite=h
hypotenuse=100 ft
thus
sin 48=h/100
hence
h=100 sin48
h=74.315 ft

Answer: 74.315 ft

Using the sine function of trigonometry, the vertical distance between the kite and the point where the boy is holding the string is calculated to be approximately 74.31 feet when the string's angle of elevation is 48 degrees.

To find the vertical distance between the kite and the point at which the boy is holding the string, we can use trigonometric functions, specifically the sine function which is defined as the ratio of the opposite side to the hypotenuse in a right triangle. Since we know the length of the string, which acts as the hypotenuse of the triangle, and the angle of elevation, we can set up our equation as follows:s

sin(48°) = opposite/hypotenuse

sin(48°) = vertical distance/100 feet

W then multiply both sides by the hypotenuse (100 feet) to solve for the vertical distance:

vertical distance = 100 feet \sin(48°)

To get the numerical value, we use a calculator to find:

vertical distance ≈ 100 feet * 0.7431

vertical distance ≈ 74.31 feet

Therefore, the vertical distance between the kite and the point where the boy is holding the string is approximately 74.31 feet.

y varies directly as x and y = 18 when x= 1/2. write an equation that relates y and x

Answers

[tex]\bf \qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array}\\\\ -------------------------------\\\\ \textit{we also know that } \begin{cases} y=18\\ x=\frac{1}{2} \end{cases}\implies 18=k\cfrac{1}{2}\implies 18=\cfrac{k}{2} \\\\\\ 36=k\qquad therefore\qquad \boxed{y=36x}[/tex]

What is the equivalent decimal? Drag the answer into the box to match the fraction. ​ 5/45 ​

Answers

the decimal for is .1 the one is repeating 
what you do is divide 5 into 45 to make it a decimal

40 points!!!!!!!!!!!!!! *If one of the legs of a right triangle is 4 in and the hypotenuse is 8 in, find the length of the other leg (use a calculator if necessary). Can you guess the measures of the acute angles?

Answers

Using pythagoras length of the other leg  = sqrt ( 8^2 - 4^2) = sqrt 48 = 4 sqrt3

the ratio of the sides of the triangle = 8 : 4 :4 sqrt3 = 2:1:sqrt3   so this is a 
30-60-90 degree triangle

what is the complete factorization of the polynomial below
x^3-4x^2+x-4?

A. (x-4)(x+i)(x-1)
B. (x+4)(x+i)(x-i)
C. (x+4)(x-i)(x-i)
D. (x-4)(x-i)(x-i)

Answers

Answer:

B. (x+4)(x+i)(x-i)

Step-by-step explanation:

Let [tex]P(x)=x^3-4x^2+x-4[/tex]

We can factor this polynomial by grouping:

[tex]P(x)=x^2(x-4)+1(x-4)[/tex]

We factor further to obtain:

[tex]P(x)=(x^2+1)(x-4)[/tex]

[tex]P(x)=(x^2-\sqrt{-1}^2)(x-4)[/tex]

We apply difference of two squares to get:

[tex]P(x)=(x-i)(x+i)(x-4)[/tex]

Answer:

(x+1)(x-1)(x+4)

Step-by-step explanation:

Determine if the graph is symmetric about the x-axis, the y-axis, or the origin.

r = 5 + 4 cos θ

Answers

Explaining how to determine the symmetry of a polar graph based on the given equation r = 5 + 4 cos θ.

To determine the symmetry of the graph r = 5 + 4 cos θ, we can substitute (-θ) for θ in the equation and check if the resulting polar equation remains the same, indicating symmetry about the origin.

If replacing (-θ) gives us the same equation, the graph is symmetric about the y-axis. If replacing (π - θ) gives the same equation, then the graph is symmetric about the x-axis.

In this case, replacing (-θ) in r = 5 + 4 cos θ gives r = 5 + 4 cos(-θ), which simplifies to r = 5 + 4 cos θ, indicating symmetry about the y-axis.

For an angle Θ with the point (12, −5) on its terminating side, what is the value of cosine?

−5
12
negative 5 over 13
12 over 13

Answers

Given that the point (12,-5) which takes the form (x,y), This implies that:
opposite=-5
adjacent=12
thus using using Pythagorean theorem, the hypotenuse will be:
c^2=a^2+b^2
plugging the values we obtain:
c^2=(12)^2+(-5)^2
c^2=144+15
c^2=169
thus
c=13
but
cos θ=adjacent/ hypotenuse
therefore:
cos θ=12/13

Answer is option . D

Jamal is 167 cm tall. Which expression finds Jamal’s height in dekameters? Use the metric table to help answer the question.

Answers

we know that
1 cm is equal to -----------> 0.001 dekameters
so
167 cm------------------> X
x=167*0.001------> x=0.167 dekameters

Expression to finds Jamal’s height in dekameters
[Jamal’s height in cm]*0.001  or [Jamal’s height in cm]/1000

Answer:

It is D

Step-by-step explanation:

Can somone help me with this 1 problem? QRST is a parallelogram. Determine the measure of ∠Q
Q (4x+10) bottom left
R (9x+1) top left
S (5x-3) top right
T bottom left


Answers

(In the picture, QRST looks like a rhombus, so I will assume that it is a rhombus.)

In a rhombus, opposite angles are congruent based on the alternate interior angle theorem. In other words, R and T along with Q and S are both alternate interior angle pairs.
(You can actually test this by printing out a rhombus, cutting out the angles, and matching up the opposite ones.) 

We know that Q is equal to 4x + 10, but we need to solve for x. Since Q and S are congruent, we can set them equal to each other:
1) 4x + 10 = 5x - 3
2) 4x + 13 = 5x
3) 5x = 4x + 13
4) x = 13
Now let's plug 13 in for Q:
5) 4(13) + 10 = 52+10 = 62

I got m<Q = 62 degrees. Hope this helps!

In the parallelogram QRST then measure of  ∠Q is 62 degrees.

What is Quadrilateral?

A quadrilateral is a four-sided polygon, having four edges and four corners.

Given that  QRST is a parallelogram.

We have to find the measure of ∠Q.

Both pairs of opposite sides are parallel, quadrilateral QRST is a parallelogram.

∠Q= ∠S

4x+10=5x-3

We have to find the value of to find ∠Q measure.

10+3=5x-4x

13=x

Now let us plug in the value of x in ∠Q measure.

∠Q = 4x+10

Now plug in x value in ∠Q

∠Q = 4(13)+10

=52+10

=62 degrees

Hence, in the parallelogram QRST then measure of  ∠Q is 62 degrees.

To learn more on Quadrilateral click:

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Sina played basketball on a rectangular court that was 74 feet by 42 feet. after the game, she walked across the court diagonally from one corner to the opposite corner. approximately what distance did sina walk in feet?

Answers

Distance walked = 85.088 feet


The distance Sina walked would be equal to the length of the diagonal of rectangle.

As every angle in a rectangle is 90 degree. So, we can apply Pythagoras theorem in right triangle formed by sides,

Base- 74 feet, Altitude-  42 feet and Hypotenuse- Diagonal

Base^2 + Altitude ^ 2 = Hypotenuse ^2

74^2 + 42 ^ 2 = Diagonal ^2

On solving,

Diagonal = 85.088 feet

To calculate the distance Sina walked diagonally across the basketball court, we utilize the Pythagorean theorem using the court's length and width. The calculation gives us a diagonal distance of approximately 85 feet.

To calculate the distance Sina walked across the rectangular basketball court diagonally, we can use the Pythagorean theorem. This theorem states that in a right triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the lengths of the other two sides. Since the court is 74 feet long and 42 feet wide, these dimensions can be considered the two shorter sides of a right triangle, with the diagonal Sina walked being the hypotenuse.

The Pythagorean theorem formula is:

[tex]c^2 = a^2 + b^2[/tex]

Where c is the length of the hypotenuse, and a and b are the lengths of the other two sides. Substituting the known values:

[tex]c^2 = 742 + 422\\c^2 = 5476 + 1764\\c^2 = 7240[/tex]

To find c, we take the square root of 7240:

c ≈ 85.09 feet

Therefore, Sina walked approximately 85 feet diagonally across the basketball court.

It costs $5.75 to enter an arcade and $0.50 to play an arcade game. You have $7.25. Write an equation that represents the number g of games you can play.

Answers

5.75+3(.50) because it’s 5.75 and then add .50 3 times to get 7.75. Meaning you can play 3 games...
Hope that helps
You'll need probably
About 11 games

In ΔPQR, what is sin Q written as a decimal?

Answers

sin Q = oppo. / hypo
sin Q = 9/15
sin Q = 0.6
Hi there!

The sine of an angle is opposite over hypotenuse. Looking at angle Q, we know the opposite side is 9 and the hypotenuse is 15. These numbers give us this equation: sin Q = 9/15. Upon solving this equation, the result is approximately 56.5.

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!

Please help with geometry

Answers


[tex]\pi . {12}^{2} . \dfrac{300}{360} + {12}^{2} \dfrac{ \sqrt{3} }{4} \\ {12}^{2} ( \dfrac{5.\pi}{6} + \dfrac{ \sqrt{3} }{4} ) \\( 120\pi + 36 \sqrt{3} ) {cm}^{2} [/tex]
It's a equilateral triangle. The area of the white region is the area of a sector minus the area of a triangle.
[tex]\dfrac{60^o}{360^o}=\dfrac{1}{6}[/tex] 
The sector is 1/6 of the circle, therefore the area of the sector is 1/6 of area of the circle.
 The formula of an area of the circle: [tex]A_O=\pi r^2[/tex] 
 The area of the sector: 
[tex]A_s=\dfrac{1}{6}\cdot\pi\cdot12^2=\dfrac{1}{6}\pi\cdot144=24\pi\ m^2[/tex]
 The formula of an area of the equilateral triangle: [tex]A_\Delta=\dfrac{a^2\sqrt3}{4}[/tex]
 [tex]A_\Delta=\dfrac{12^2\sqrt3}{4}=\dfrac{144\sqrt3}{4}=36\sqrt3\ m^2[/tex]  

The area of the segment: [tex]A_{sg}=A_s-A_\Delta\to A_{sg}=(24\pi-36\sqrt3)m^2[/tex]
  The area of the shaded region: 
[tex]A=A_O-A_{sg}\to A=144\pi-(24\pi-36\sqrt3)=144\pi-24\pi+36\sqrt3\\\\=\boxed{A=(120\pi+36\sqrt3)m^2}[/tex]

An earthquake strikes and an isolated area is without food or water. three crews arrive. one can dispense needed supplies in 4545 ​hours, a second in 9090 ​hours, and a third in 6060 hours. how long will it take all three crews working together to dispense food and​ water?

Answers

It'll take 10 hours for the crew to finish the work.

1 person takes 20h, the second would hake 30h, third 60h. 
 1/20+1/30+1/60=1/10

There is a ratio of 5 girls to 3 boys in the class in the chorus.there are 24 boys in the chorus how many girls are in the chorus

Answers

40 because 40 girls to 24 boy is equivalent to 5 girls to 3 boys if you divide them by 8  

The mass of a grain of sand is about 10^-3 gram. About how many grains of sand are in a 10kg bag of sand?

Answers

10000000

Divide the mass of the bag by the mass of sand. First you need to convert kg to g
The mass of a grain of sand is about 10 to the -3 power gram. 
About how many grains of sand are in the bag of sand

Answer

10 kg* (1000 g/ 1 kg)* (1 grain of sand/ 10^(-3) g)= 10^7 grains of sand. 
(Note that the units cancel out so you get the answer) 
The final answer is 10^7 grains of sand. 
Hope this helps~

Please help!!! Mark is learning to snowboard. The club charges $10 per hour for snowboard lessons and $40 for the lift ticket and a snowboard rental. Which value represents the rate of change for this scenario?

Answers

h represents the number of hours:
10h + 40
(40 represents, well $40)
the answer is 40 + 10h

A distribution of numbers has the following five-number summary:
20.2, 22.4, 30.0, 37.6, 39.8
True or False? These numbers can be used to calculate the standard deviation of the distribution.
Please Answer quickly! I need this done ASAP! Please.

Answers

The answer is False; I put True and it was wrong

The correct answer is:


False.


Explanation:


Using the five number summary, we can estimate the standard deviation.


The quartiles are about 0.67 standard deviations from the mean; this could be used to estimate the standard deviation.


However, we cannot accurately calculate the standard deviation using only the fie number summary.

PLEASE HELP 20 POINTS

Answers

Hello!

A sample of Bromine-82 begins at 80 mL. We are given that this value will decrease by half of its current amount every 35 hours. First, we'll determine the number of times that 35 goes into 140. This will reveal the number of times we should divide the sample by 2:

140 ÷ 35 = 4

We have now proven that there are 4 periods of 35 hours in 140 hours. This means that we will divide the sample in half a total of 4 times, as follows:

1. 80 ÷ 2 = 40
2. 40 ÷ 2 = 20
3. 20 ÷ 2 = 10
4. 10 ÷ 2 = 5

We have now proven that an 80 mL sample of Bromine-82 will be reduced to only 5 mL after 140 hours. Therefore, the correct answer is 5 mL.

I hope this helps!
To solve this problem, we have to use the half-life formula, where A represents the remaining amount, P is the initial amount, t is the time that has passed, and h is the substance's half-life:

[tex]A = P( \frac{1}{2} )^{\frac{t}{h} } [/tex]

This is what it looks like with the values from this scenario plugged in:

[tex]A = 80( \frac{1}{2} )^{\frac{140}{35} } \\ A = 5[/tex]

There are 5 mL of the 80 mL Bromine sample left after 140 hours.

Calculate the length of AC to one decimal?

Answers

We first need to divide the trapezium into a triangle(lets call it A) and a rectangle(lets call it B). We do this by marking a line colored red in the diagram given below from point B to E.
As one side of the rectangle is given length of 4cm, the parallel other must also be equal to 4cm. Hence, Length of A to E is equal to 11cm-4cm=7cm.
Now, we use this length of 7 cm as this is opposite to our desired angle(a colored green) and by making 16cm our hypotenuse we find angle a to be 25.9°. [tex]sin x^{-1}(7/16)=25.9^{o} [/tex]
Next we find angle b by adding angle a with 90. hence getting 115.9°.
Finally we consider our triangle ABC to find the length of AC. We know one angle and length of two sides and can easily use cosine rule to find the remaining length AC. The equation and working is shown in diagram.
Answer= 18.1

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