Mathematics High School

Calculate 6.75% tax on $2,305

Answers

Answer 1

2305x0.0675=155.5875

Related Questions

find the sum of the first 30 terms of the equation below: an=4n+1

Answers

Let n = 30

We are actually looking for a_30.

a_30 = 4(30) + 1

a_30 = 120 + 1

a_30 = 121

Answer:

1,890 is the sum of the first 30 terms of the equation .

Step-by-step explanation:

[tex]a_n=4n+1[/tex]

if , n = 1

[tex]a_1=4\times 1+1=5[/tex]

If, n = 2

[tex]a_2=4\times 2+1=9[/tex]

If, n = 3

[tex]a_3=4\times 3+1=13[/tex]

The arithmetic sequence comes out to be:

5, 9, 13........

a = 5

d = [tex]a_2=a_1=9-5=4[/tex]

The sum of first 30 terms is given by:

[tex]S_n=\frac{n}{2}\times (2a+(n-1)d)[/tex]

[tex]S_{30}=\frac{30}{2}\times (2\times 5+(30-1)\times 4)[/tex]

[tex]S_{30}=1,890[/tex]

1,890 is the sum of the first 30 terms of the equation .

what percent is the fraction 2/10 equal to

Answers

the fraction 2/10 is equal to 20%

2 / 10 = 0.2

0.2 as a percent is 20%

Your answer is 20%

simplify 1/5 b - 5 (2/5 a - 1/10 b) +4 a
simplify
A 2a - 3/10 b
B 2a + 7/10 b
C 2a - 7/10 b
D 2a +3/10 b

Answers

the answer to this question is letter c

the proportion of the perimeter of two similar polygons is blank the proportion of any pair of corresponding side lengths

A. greater than
B. equal to
C. less than
D. variable to

Answers

The ratio of perimeters is the same as the ratio of corresponding side lengths in similar polygons.

Please help me thank you.

Answers

It's going to be the symmetric property of equality. The property states that if [tex]a = b[/tex] then the equation [tex]b = a[/tex] is equivalent to the other equation.

Explain two ways to find the volume of a plastic cube.

Answers

Note that the length of EACH SIDE of a cube is the same.

1) Volume = s³ ; or; V = s³ .

in which; V = volume (in "cubic units");
s = the side length of any one of the sides of the cube.
_______________________________________________________
2) Volume = length * width * height ; or, ( "V = L * w * h) .
_______________________________________________________

V=a^3 and volume=Length × Width × Height are the two ways to calculate the volume of cube.

What is three dimensional geometry?

Three-dimensional space is a geometric setting in which three values are required to determine the position of an element.

A cube is a three-dimensional figure with 6 faces, 8 vertices and 12 edges.

In a cube all the sides are equal like a square.

So the volume of cube can be measured by

V=a^3

where a is the measure of a side.

And the volume of cube can also be found by

volume=Length × Width × Height

Hence V=a^3 and volume=Length × Width × Height are the two ways to calculate the volume of cube.

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3y - 5z = -23
4x +2y +3z = 7
-2x - y - z = -3

In your answer, can you please show work so that I can understand it myself

Answers

Starting off, we can multiply the third equation by 2 and add it to the third to get rid of both the x and y variables. Next, we get z=1. Plugging that into 3y-5z=-23, we get 3y-5=-23. Adding 5 to both sides, we get 3y=-18. After that, we can divide both sides by 3 to get y=-6. Plugging that into -2x-y-z=-3, we get -2x+6-1=-3=-2x+5. Subtracting 5x from both sides, we get -2x=-8. After that, we can divide both sides by -2 to get x=4.

Perform the indicated operation. square root of 8 + square root of 50

Answers

Square root of 8 = 2.82842712475

Square root of 50 = 7.07106781187

Sum = 9.89949494

If you would like to round, you can go ahead and round 9.89949494 to 9.9

The diameter of a small gear is 16 cm this is 2.5 more than 1/4 of the diameter of a larger gear ehat is the diameter of the larger gear

Answers

let's say the diameter of the larger gear is "x".

the small one has a diameter of 16cm, we know that, this is 2.5 more than (1/4)x.

[tex]\bf 16=\cfrac{1}{4}x+2.5\implies 16-2.5=\cfrac{x}{4}\implies 13.5=\cfrac{x}{4}\implies 4(13.5)=x \\\\\\ 54=x[/tex]

Write the base of −(−6)^5.

Answers

Giving directions, describing an object etc, if you're in school it depends on the subject but note taking.

Rectangle ABCD is transformed to AB’C’D’ by a dilation .What is the scale factor used for the dilation ?

Answers

the scale factor should be 3

Answer: The required scale factor that is used for the dilation is 3.

Step-by-step explanation: Given that the rectangle ABCD is transformed to A'B'C'D' by a dilation.

We are to find the scale factor that is used for the dilation.

We know that

the scale factor of dilation is defined as

[tex]S=\dfrac{\textup{the length of a side of the dilated figure}}{\textup{the length of the corresponding side of the original figure}}.[/tex]

From the graph, we see that

in rectangle ABCD, the length the side AB is 2 units

and

the length of the corresponding side A'B' in the dilated rectangle A'B'C'D' is 6 units.

Therefore, the scale factor of dilation is given by

[tex]S=\dfrac{A'B'}{AB}=\dfrac{6}{2}=3.[/tex]

Thus, the required scale factor that is used for the dilation is 3.

A symmetrical binomial distribution with large sample size can be approximated by a __________

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typical distribution?

Solve the equation
9|9-8x|=2x+3 show work.

Answers

as you already know, an absolute value expression is a piece-wise in effect.

[tex]\bf 9|9-8x|=2x+3\implies |9-8x|=\cfrac{2x+3}{9}\\\\\\ \begin{cases} +(9-8x)=\cfrac{2x+3}{9}\\\\ -(9-8x)=\cfrac{2x+3}{9} \end{cases}\\\\ -------------------------------\\\\ 9-8x=\cfrac{2x+3}{9}\implies 81-72x=2x+3\implies 78=74x \\\\\\ \cfrac{78}{74}=x\implies \cfrac{39}{37}=x\\\\ -------------------------------\\\\ -(9-8x)=\cfrac{2x+3}{9}\implies -9+8x=\cfrac{2x+3}{9} \\\\\\ -81+72x=2x+3\implies 70x=84\implies x=\cfrac{84}{70}\implies x=\cfrac{6}{5}[/tex]

Final answer:

To solve the equation 9|9-8x|=2x+3, follow these steps: remove the absolute value by considering both positive and negative cases, combine like terms, solve for x, and simplify the solutions.

Explanation:

To solve the equation 9|9-8x|=2x+3, we need to isolate the variable x. Let's start by removing the absolute value by considering both positive and negative cases.

Case 1: Positive

9-8x = 2x+3

Combine like terms: -8x - 2x = 3 - 9

-10x = -6

Divide both sides by -10: x = -6/-10

Simplify: x = 0.6

Case 2: Negative

-(9-8x) = 2x+3

Distribute the negative sign: -9+8x = 2x+3

Combine like terms: 8x - 2x = 3 + 9

6x = 12

Divide both sides by 6: x = 12/6

Simplify: x = 2

Therefore, the solutions to the equation are x = 0.6 and x = 2.

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Look at the figure. If doing a two-column proof, what will be the very last statement?

Question 1 options:

X = 15

MN¯¯¯¯¯¯¯ = RS¯¯¯¯¯

Division Property of Equality

3x+3 = 5x-27

Save

Answers

When doing a two-column proof, the very last statement is usually the statement to be proved.

In the given question, we are required to prove that x = 15

Therefore, the very last statement of the two-column proof for the given figure is x = 15.

A pair of shoes costs $25 to make. This means that you need to charge a price of at least ___ just to cover your cost.

Answers

I believe the answer is $50.

Answer: $25

Step-by-step explanation: you are not trying to make a profit. You are just trying to cover your cost and they cost $25 to make.

Factor this polynomial expression. 2x2 + 12x + 18

Answers

2(x-2)(x-4) this should be the correct answer. Hope this helps :)

Answer: 2(x+3)(x+3)

i just took the test

factor by grouping: 12x^3-20x+3x-5

Answers

1,728x-23x-5
1,705x-5

There are no rational roots
F(x) = 4x^2+1
Group 1: 3x-5
Group 2: 12x3-20x2

This is going to take a long time to explain so the answer is just (12x2 - 12x - 5) • (x + 1)

Which type of statement has the form " if A, then B"?

Answers

Proof by Contraposition.

Let me know if I was correct or horribly wrong.

Answer: Conditional statement

Step-by-step explanation:

In discrete mathematics, a conditional statement denoted by "if R then S " is an if-then statement where R represents a hypothesis and S represents a conclusion.

For example : If a number is divisible by 6 ,then it must be divisible by 2 ."

Here, Hypothesis R: " number is divisible by 6"

Conclusion S: "it must be divisible by 2"

Hence, an conditional statement has the form " if A, then B" .

How many numbers are divisible by 100 between 1 and 6296?

Answers

62 numbers are divisible by 100 into a whole number

Which line is parallel to a line that has a slope of 3 and a y-intercept at (0, 0)?

line AB
line CD
line FG
line HJ

Answers

Line HJ is parallel to a line that has a slope of 3 and a y-int at (0,0). If you wrote this in slope intercept form, it is y=3x+0. The only line that has such a slope is the red one.

Answer:

line HJ

Step-by-step explanation:

we know that

The equation of the line that has a slope of [tex]3[/tex] and a y-intercept at [tex](0, 0)[/tex] is equal to

[tex]y=3x[/tex] -----> is a proportional relationship

Remember that

If two lines are parallel , then their slopes are the same

Find the slope of the line HJ

[tex]H(-1,-4), J(1,2)[/tex]

The formula to calculate the slope between two points is equal to

[tex]m=\frac{2+4}{1+1}[/tex]

[tex]m=\frac{6}{2}[/tex]

[tex]m=3[/tex]

therefore

The line HJ is parallel to the line [tex]y=3x[/tex]

Which expression is equal to (-12-2i)+(2+2i)

a) 10
b) -10
c) 10-4i
d)-10-4i

Answers

The answer would be B)-10. Hope this helps!:)

How can the pythagorean theorem be used to classify acute, right, and obtuse triangles?

Answers

you're familiar with the Pythagorean Theorem. ... triangle is equal to the sum of the squares of the other two sides, then the triangle is a right triangle.

If Juan paid $21.30 for 7.1 pounds of salmon, what was the price of 1 pound of salmon?

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First divide 21.30 by 7.1 and you'll get the unit price of 1 of 3.

So for 1 pound of salmon its $3.

How to Graph y=4/5x-7

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Final answer:

To graph the equation y = 4/5x - 7, plot the y-intercept at -7 and use the slope to find a second point before drawing a line through the two points.

Explanation:

To graph the equation y = 4/5x - 7, follow these steps:

Start by plotting the y-intercept at -7 on the y-axis.Use the slope 4/5 to find a second point by moving up 4 units and to the right 5 units. Plot this point.Draw a straight line through these two points to represent the graph of y = 4/5x - 7.

The graph of a piecewise-defined function is shown below.

On the interval (x≤0, x≤1, x<1, x<0) the function is given by the rule (x= - 1, y= - 1, y=1, x=1), and on the interval (x≥0, x>1, x≥1, x>0) the function is given by the rule (y= - 1, x= - 1, y= 1, x= 1).

Answers

Note that the from [tex]-\infty[/tex] to 0, that is the left part, the function is the line y=1.

Similarly, from 0 (not included) to [tex]\infty[/tex], the function is y=-1.

Thus the function is given by the rule:

y=1, for x≤0,
y=-1, for x>0.

Remark: a horizontal line at height c, from the x-axis, is the graph of the function y=c.

Answer:

one of these is wrong cause i got a three out of four but thats better than nothing i guess.

Step-by-step explanation:

x≤0, y=1, x≥1, this one is the one i think is wrong but y=-1

solve the inequality
6n-3 > -18

a. n > -2.5
b. n > -3.5
c. n < -2.5
d. n > 2

Answers

-6n < -12
n > 2 {divided each side by -6 and changed the inequality sign}

B.) n > 2

A ship is carrying 10,250 pounds of individually boxed TV sets. If each box weighs 20.5 pounds, how many boxes are on the ship?

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There are 500 boxes on the ship

divide total weight by weight of each box

10250 / 20.5 = 500 boxes total

What is the product of −412 and 212 ? Enter your answer as a mixed number, in simplified form, in the box.

Answers

Given that the statement requires the answer as a mixed number, it is evident that the factors involve fractions and not actually - 412 and 212.

It seems that the two factors are - 4 + 1/2 and 2 + 1/2.

Let's use latex for better underestanding:

[tex](-4 \frac{1}{2} ).(2 \frac{1}{2} ) = (-4 - \frac{1}{2} ).(2+ \frac{1}{2} )=(- \frac{9}{2} ).( \frac{5}{2})=- \frac{45}{4} = -( \frac{44 + 1}{4} ) = - 11 \frac{1}{4} [/tex]

Answer: - 11 1/4

If you subtract twelve from twice a number, the result is eight. what is the number?

Answers

2x - 12 = 8
2x = 8 + 12
2x = 20
x = 20/2
x = 10 <== ur number

Let's represent the number with Y
Twice the number will be 2Y
12 is subtracted from it. That will be;
2Y-12
And it is equal to 8
2Y-12=8
-12 will go over the equality sign to become +12
2Y=8+12
2Y=20
Divide both sides by 2
Y=20/2
Y=10
The number is 10
Have a nice day

If the area of a square is 49 square inches, how long must each side be?

Answers

Area of a square=(side)²
or,49 = (side)²
or,side = √49 or 7

So, each side is 7 inch long

Hello There!

As you may know, all sides of a square are equal.
Area = side².
In this case:
49 = side²
side = √49
side = 7.
Each side is 7 square inches.

Hope This Helps You!
Good Luck :)

- Hannah ❤

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