Answers
Answer:
D
Step-by-step explanation:
base= y2-y1
height = x3-x1
so (1/2)×(y2-y1)×(x3-x1)
Related Questions
Indigo goes out to lunch. The bill, before tax and tip, was $10.85. A sales tax of 3%
was added on. Indigo tipped 18% on the amount after the sales tax was added. The
total cost of the meal plus tip and tax was more than the cost of the bill by what
percent? Round to the nearest whole number.
Answers
The total cost of the meal plus tip and tax was more than 122% of the cost of the bill.
What is percent?
A percentage in mathematics is a number or ratio that is expressed as a fraction of 100. The abbreviations "pct.", "pct.", and occasionally "pc" are also used to indicate it, though the percent sign, "%," is most frequently used. A percentage has no dimensions and no standard measurement.
Indigo goes out to lunch.
The bill, before tax and tip, was $10.85.
A sales tax of 3% was added on.
Indigo tipped 18% on the amount after the sales tax was added.
The amount after adding sales tax is,
$10.85 x 3% = 0.3255
⇒ $10.85 + 0.3255 = $11.1755
Now to find the amount after tipped 18% on the amount after the sales tax was added.
$11.1755 x 18% = 2.01159
⇒ $11.1755 + 2.01159 = $13.18709
Hence, the amount after tipped 18% on the amount after the sales tax was added is $13.18709.
Let x be the percent of more than the cost of the bill of $13.18709.
⇒
[tex]\frac{10.85(x)}{100} = 13.18709\\ x = \frac{100 (13.18709)}{10.85}\\ x = 121.54[/tex]
Hence, the total cost of the meal plus tip and tax was more than 122% of the cost of the bill.
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PLEASE HELP!
The two lines graphed below are not parallel. How many solutions are there to
the system of equations?
Answers
The graphed two lines will have one solution.
Solutions of Pair of straight lines:Any line that isn't twisted or bent is said to be straight.
Intersecting Lines:Intersecting lines are two or more lines that have exactly one point in common. The point of junction is this central location that connects all of these lines.
A system of Intersecting Lines will have one unique solution
Parallel lines :Lines that are parallel to one another on a plane do not overlap or meet at any point. They are always parallel and equally spaced from one another.
A system of Parallel Lines will have no solution
Here we have
System of equations
Given that the two lines are not parallel line
As we can see that both lines meet at a point
So here we can conclude that both lines are Intersecting Lines
Therefore,
The graphed two lines will have one solution.
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If the scale factor from A to B is 8/5 Then the scale factor from B to A is...
Answers
The scale factor from B to A is 5/8. Since the scale-up and scale-down of A and B are reciprocal to each other. I.e, scaling of geometry can be reversed by the reciprocal of its scale factor.
What is meant by a scale factor and how is it calculated?Scale factor: A number that is multiplied by the components of an object to create an enlargement or reduction of the object.Scale factor = new length/original length There are two kinds of scaling. They are scale-up and scale-down.Scale-up is nothing but enlarging the shape and scale-down means reducing the shape.The scaling of an object or shape is reversed by finding the reciprocal of its scale factor. If the scale factor is greater than 1 then it goes under enlargement and if it is less than 1, then it goes under reduction.Calculation:The scale factor for the given shape to transform from A to B is 8/5.
So, the original shape is A and it is scaled up by the factor 8/5 and named B.
(Scaled up since scale factor (8/5 = 1.6) > 1)
So, the scaling from B to A is the reverse process of scale-up. That means scale-down. For this, the scale factor is reduced by taking its reciprocal. So, that the shape gets reversed.
The scale factor for scaling down from B to A is 1/(8/5) ⇒ 5/8.
Therefore, the scale factor from B to A is 5/8.
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Which of the following can be represented by the equation 3x = 24?(1 point)
Rita bought stickers and divided them among herself and two other friends. Each one received 24 stickers. How many stickers did Rita buy?
A survey was conducted to determine the favorite subject of seventh grade students. One-third of all surveyed, or 24 students, said math is their favorite subject. How many students were surveyed?
Andrew picks three words from a dictionary every week and lists them in his notebook. So far, he has listed 24 words. How many weeks has Andrew been doing this?
The cost of a pair of shoes is three times the cost of a shirt. If the cost of the shirt is $24, how much does the pair of shoes cost?
Answers
Answer:
The last answer is correct
Step-by-step explanation:
3x = 24 Divide both sides by 3
x = 8
A pair of shoes cost $8
Interpret parts of the algebraic expression to describe the real-world scenario.
The value of a comic book in dollars has been found to be 0.20y + 1.50, where y is the number of years since it was released.
By how much is the value of the comic increasing per year?
How much was the initial value of the comic?
Answers
The value of a comic book in dollars has been found to be 0.20y + 1.50, where y is the number of years since it was released. is
(a) [tex]0.2$[/tex]
(b) [tex]1.5$[/tex]
[tex]0.2 y+1.5 \longleftarrow \text { initial value }[/tex]
[tex]when $y$ increase one. the value increase $\$ 0.2$[/tex]
Travelling to movies and television programmes. An element of a comic book being in a popular film or television programme is a major factor in its value rising. Characters' comic book appearances have become far more valuable as they are integrated into the Marvel Cinematic Universe.
Marvel's first comic book just sold for $1.26m. Movies have contributed to the enduring popularity of superheroes, bringing in new audiences. The printed comic is still big business, worth over $1bn in North America alone.
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Solve for x them find the measure of the angle given...can someone please help me
Answers
The solution for the angle x in the figure is 130 degrees
How to determine the solution for x?From the question, we have the following parameters that can be used in our computation:
The transversal and the parallel line
By the theorem of vertical angles, we have the following equation
x = 5y
Also, we have the following equation
x = 2y - 78 --- by the theorem of corresponding angles
Substitute x = 2y - 78 in x = 5y
So, we have the following representation
5y = 2y - 78
Evaluate the like terms
3y = 78
Divide both sides by 3
y = 26
Substitute y = 26 in x = 5y
x = 5 * 26
Evaluate
x = 130
Hence, the value of x is 130
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Solve for x. 2.5x + 1.5
Answers
Which of the following shows that polynomials are closed under addition when two polynomials 4x2 - 8x - 7 and -5x + 16 are added?
Answers
The statement which shows that polynomials are closed under addition when two polynomials 4x² - 8x - 7 and -5x + 16 are added include the following: C. 4x² - 13x + 9 will be a polynomial
What is a polynomial function?In Mathematics, a polynomial function can be defined as a mathematical expression which comprises intermediates (variables), constants, and whole number exponents with different numerical value, that are typically combined by using mathematical operations such as the following:
Multiplication (product)AdditionSubtractionNext, we would add the two (2) given polynomials as follows;
(4x² - 8x - 7) + (-5x + 16)
4x² - 8x - 7 - 5x + 16
Rearranging the given polynomials by combining like terms, we have;
4x² - 8x - 5x + 16 - 7
4x² - 13x + 9
Therefore, the given polynomials are closed under addition.
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Complete Question:
Which of the following shows that polynomials are closed under addition when two polynomials 4x² - 8x - 7 and -5x + 16 are added?
a. 4x^2 - 13x + 9 may or may not be a polynomial
b. 4x^2 + 13x -23 may or may not be a polynomial
c. 4x^2 -13x + 9 will be a polynomial
d. 4x^2 + 13x - 23 will be a polynomial
An annual pass to the local zoo is
$40.00. The daily pass is $12.00.
What is the least number of times
you can visit the zoo with the
annual pass to make it the better
deal?
Answers
The equation obtained from the expressions of the cost of using the daily and annual pass indicates that the least number of times to visit the zoo to make the annual pass the better deal is 4 times
What is an equation?An equation consists of two mathematical expressions linked with an equals to '=' sign.
The cost of the annual pass to the local zoo = $40.00
The daily pass to the zoo = $12.00
The least number of times to visit the annual pass to make it a better deal
Let x represent the number of times of visiting the zoo, at the first visit, we get;
Cost of visiting the zoo using the annual pass = $40.00
Cost of visiting the zoo using the daily pass = $12 ×1 = $12
Therefore, at the very first visit, it cost more using the annual pass to visit the zoo
When the cost of visiting the zoo is the same using the annual and the daily pass, we get;
12 × x = 40.00Where x = The number of days of visiting the zoo
Therefore;
x = 40.00 ÷ 12.00 = 3.[tex]\overline{3}[/tex]
Therefore, after the third visit, or on the fourth visit, it becomes the better deal to make use of the annual pass.
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Ed is 5 years older than his wife. The sum of their ages is 59. How old is Ed? How old is his wife? Ed age: Wife age:
Answers
Answer:
ede 5 years old er = wife 25 Ed 34
To join a health club, a person must pay a $75 one-time fee plus a charge of $30 per month. This situation can be represented by an equation of the form
y
=
m
x
+
b
, where x = the time in months and y = the total cost in dollars. What is the value of m in the equation?
Answers
The value of m in the equation is 30.
How to illustrate the equation?An equation is the statement that illustrates the variables given. In this case, two or more components are taken into consideration to describe the scenario. It is vital to note that an equation is a mathematical statement which is made up of two expressions that are connected by an equal sign.
It is a relationship between two expressions that is expressed as an equality on either side of the equal to sign. An equation would be 3 = 18, for instance.
In this case, the person must pay a $75 one-time fee plus a charge of $30 per month.
This will be illustrated in the equation as:
y = 75 + 30x
where
x = the time in months and
y = the total cost in dollars.
The value of m is 30.
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PLEASE HELP!!!!
Write the quadratic equation whose graph has x-intercepts of -11 and 3 and passes through the point (1, 192)
A: y=8x^2+64x−264
B: y=8x^2−64x−264
C: y=−8x^2+64x+264
D: y=−8x^2−64x+264
Answers
The quadratic equation with the given x-intercepts and that passes through the point (1, 192) is the one in option D.
y = -8x^2 -64x + 264
What is the quadratic equation?If a quadratic equation has x-intercepts x₁ and x₂ and a leading coefficient a, we can write the quadratic equation as:
y = a*(x - x₁)*(x - x₂)
Here we know that the x-intercepts are -11 and 3, replacing that in the equation above we will get:
y = a*(x + 11)*(x - 3)
We also know that the line passes through the point (1, 192), replacing the values in the quadratic equation we will get:
192 = a*(1 + 11)*(1 - 3)
192 = a*12*-2
192 = -24*a
192/-24 = a
-8 = a
So the quadratic equation is:
y = -8*(x + 11)*(x - 3)
Expanding this, we will get:
y = -8x^2 -64x + 264
So the correct option is D.
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Question 6 of 10
What is the equation of a circle centered at the origin with radius 20?
OA. x³ + ³ = 400
OB. x³+y³ = 20
OC. x² + y² = 20
OD. x² + y² = 400
Answers
Answer:
x^2 + y^2 = 400
Step-by-step explanation:
the general equation of a circle is,
x^2 +y^2 = r^2
where x, y are the coordinates of the circle
r is the radius
A student has two options to purchase a laptop.
Option 1: Pay $540 plus 15% sales tax now.
Option 2: Pay exactly $120 now and then $58 each month for 9 months.
What is the approximate percent increase in how much the student pays with Option 2 versus Option 1?
Responses
Answers
Approximate percent increase in how much the student pays with Optin 2 versus Option is 20%
How to find Percentage?$540 plus 15% sales tax now.=$515
Pay exactly $120 now and then $58 each month for 9 months=$642
There is no dimension to percentages. As a result, it is known as a dimensionless number. When we say a number is 50% of anything, we mean that it is 50% of everything.As in 0.6%, 0.25%, etc., percentages can also be expressed as decimals or fractions. The grades earned in any topic are calculated in terms of percentages in academics. Ram, for instance, scored 78% in his final exam. This percentage is determined using Ram's overall grade point average (GPA) across all disciplines. We must apply a different formula, like the one shown below, to determine the percentage of a number.X Equals P% of NumberIf we don't use the percent sign, we must write the calculations above as P/100 * Number = X.To learn more about Percentage refer to:
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Given f(x) = 6x − 8 and g(x) = −5x + 2, what is (f − g)(x)?
Answers
The expression which represents the composite function (f - g) (x) as required in the task content is; 11x - 10.
Which expression represents the composite function; (f - g) (x)?It follows from the task content that the expression which represents the composite function (f - g) (x) as required in the task content be determined.
Since the given functions are;
f(x) = 6x − 8 and g(x) = −5x + 2
The composite function; (f - g) (g) is equivalent to;
f (x) - g (x)
Therefore, we have;
(f - g) (x) = 6x - 8 - (-5x + 2)
(f - g) (x) = 6x + 5x - 8 -2
(f - g) (x) = 11x - 10.
On this note, the required expression which represents (f - g) (x) is; 11x - 10.
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what is the probability that you will draw 4 kings when you draw 4 cards from a standard 52-card deck?
Answers
The probability that we will draw 4 kings from the 52-card deck be 1/270725.
Given, we draw 4 cards from a standard 52-card deck
we have to find the probability that we draw 4 kings
As, we know that the deck of cards contain 4 kings of two red and two black.
we have to choose 4 kings from 4 kings in the deck
Number of ways to choose 4 kings from the deck of cards = C(4 , 4)
Now, total number of ways in which 4 cards can be chosen be,
C(52 , 4)
So, the probability of drawing 4 kings from the deck of cards be,
P(E) = C(4 , 4)/C(52 , 4)
P(E) = 4×3×2 / 52×51×50×49
P(E) = 1 / 13×17×25×49
P(E) = 1/270725
Hence, the required probability be 1/270725
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drag and drop the quantity on the right column with a number from the left column
Answers
Answer: 27, 65, 29, 77, 37
Step-by-step explanation:
The number of diagonals of an [tex]n[/tex]-gon is [tex]\frac{n(n-3)}{2}[/tex].
The number of apothems of an [tex]n[/tex]-gon is [tex]n[/tex].
Answer:
Step-by-step explanation:
The volume of a right cylinder is found by the formula V equals pi r squared h. Two cylinders both have a height of 10 centimeters. One has a volume of 2009.6 cubic centimeters. The other has a volume of 196.25 cubic centimeters. What is the radius of each cylinder? (Use 3.14 as an approximation of pi.)
Answers
The radii of the cylinders found using the formular for the volume of a cylinder, and the 2009.6 cubic centimeter and 196.25 cubic centimeter volumes of the cylinders, indicates;
The radius of the 2009.6 cm³ cylinder is 8 centimeters
The radius of the 196.25 cm³ cylinder is 2.5 centimeters
What is a cylinder?A cylinder is a solid that has three dimensions, consisting of two circular, parallel bases that enclose a curved pipe like surface in between.
The volume of one cylinder = 2009.6 cubic centimeters
The volume of the other cylinder = 196.25 cubic centimeters
The height of each cylinder, h = 10 centimeters
The formula for finding the volume of a cylinder is; V = π·r²·h
Where;
r = The radius of the cylinder
h = The height of the cylinder
The formula for finding the volume of a cylinder indicates;
r² = V/(π·h)
r = √(V/(π·h))
The radius of the cylinder of volume 2009.6 cubic centimeters, r₁ is therefore;
r = √(2009.6/(3.14 × 10) = 8
The radius of the 2009.6 cubic centimeters volume cylinder is r₁ = 8 cm
The radius, of the 196.25 cubic centimeters cylinder, r₂, is therefore;
r₂ = √(196.25/(3.14×10)) = 2.5
The radius of the 196.25 cubic centimeter volume cylinder, r₂ = 2.5 cm
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[A.5A] What is the solution to 2(m+6)-5-3(m-2) ?
Answers
Answer:
-m + 13
Step-by-step explanation:
given the four digits 2, 4, 6, and 7, how many different positive two-digit integers can be formed using these digits if a digit can be repeated in an integer?
Answers
There are 12 different positive two digit integers can be formed using these digits if a digit can be repeated in an integer.
Integer:
An integer is zero (0), a positive integer (1, 2, 3, etc.), or a negative integer with a minus sign (-1, -2, -3, etc.). A negative number is the additive reciprocal of the corresponding positive number. In mathematics languages, sets of integers are often denoted by a bold Z or a bold {Z}.
Given the question :
The number of different positive two integer number can be obtained by:
P(4, 2) = 4P2
We know that:
[tex]^nP_r[/tex] = n! / (n - r)!
⁴P₂ = 4! / (4 - 2)!
⁴P₂ = 4! / 2!
⁴P₂ = (4 * 3 * 2 * 1) / ( 2 * 1)
⁴P₂ = 24 / 2
⁴P₂ = 12
Hence, 12 different positive two-digit integers can be formed using these digits if a digit may not be repeated in an integer.
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help me plsssss
i put the image below
if u can see it
help asap
Answers
Answer:
q= 1.09
Step-by-step explanation:
the works there its a little messy tho
7 need help
A reflection maps AABC onto AXYZ. List the corresponding congruent pairs of angles of the two triangles.
Answers
In triangle ABC, the first angle is A. In triangle XYZ, the first angle is X. That should make sense since angles A and X are both vertices in both triangles. Thus:
∠A≅∠X
If we refer to the picture, angles Y and C are both base angles, and since they are reflected, they correspond:
∠C≅∠Y
Lastly, angles B and Z are reflected, thus they must be corresponding:
∠B≅∠Z
So, the second option is correct.
Answer:
Option C) ∠C ≅ ∠Z, ∠B ≅ ∠Y, ∠A ≅∠X------------------------------------------
ΔABC and ΔXYZ are congruent triangles.
Corresponding angles map as per the order of vertices:
∠A to ∠X, ∠B to ∠Y and ∠C to ∠Z so these are the pairs of congruent angles.The congruent pairs of angles are:
∠A ≅∠X, ∠B ≅ ∠Y and ∠C ≅ ∠ZThis is matching option C.
Write the equation for a line that passes through the given points Write the equation in slope- intercept form
. (6,-4), (6,5)
Answers
The equation of the line, in slope-intercept form, that passes through the given points, (6,-4) and (6,5) is: x = 6.
How to Write the Equation of a Vertical Line?An vertical line can be written in slope-intercept form as x = a, because the line has no y-intercept and the change in x values in the slope formula is equal to zero.
The value of a in the equation is the point on the x-axis where the vertical line intercept, irrespective of the change in y-values up the line.
Given the line goes through the points, (6, -4) and (6, 5), it means the line is a horizontal line because they both have the same x-value, 6.
Therefore, the value of a is 6. The equation of the line would be x = 6.
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11. What is the equation of the line that has a slope of 0 and passes through the point (9,-4)?
Answers
Answer:
y = 9
Step-by-step explanation:
The line that has a slope of 0: y = 0*x + ?
pass through the point (9,-4): 9 =0*(-4) + ?, we can get 9.
So the answer is y = 9.
Answer: y=0x-4
Step-by-step explanation:
y=mx+b
-4 = (0)(9)+b
b = -4
y = -4
Find the perimeter of the triangle XYZ with verticles X (1, 3) , Y(-4, -1) and Z(4, -1). Round your answer to two decimal places
Answers
Answer:
The perimeter is approximately 6.40.
Step-by-step explanation:
To find the perimeter of a triangle with vertices X (1, 3), Y (-4, -1), and Z (4, -1), we can first find the distance between each pair of points using the distance formula.The distance between points X and Y is:
$d(X,Y) = \sqrt{((1 - (-4))^2 + (3 - (-1))^2)} = \sqrt{25 + 16} = \sqrt{41}$
The distance between points Y and Z is:$d(Y,Z) =
\sqrt{((-4 - 4)^2 + ((-1) - (-1))^2)} = \sqrt{0 + 0} = 0$
The distance between points X and Z is:
$d(X,Z) = \sqrt{((1 - 4)^2 + (3 - (-1))^2)} = \sqrt{9 + 16} = \sqrt{25}$
We can then find the perimeter of the triangle by adding up the lengths of the sides. In this case, the perimeter is $d(X,Y) + d(Y,Z) + d(X,Z) = \sqrt{41} + 0 + \sqrt{25} = \sqrt{41} + \sqrt{25} = 6.40\ldots$.
Rounded to two decimal places, the perimeter is approximately 6.40.
There are 24 men and 25 women running a race. What is the ratio of the number of female runners to the total number of runners?
Answers
Answer:
5/9 In fraction form. In decimal form 0.51 and in percentage form %51
Step-by-step explanation:
To find the ratio of the number of female runners to the total number of runners, we can divide the number of female runners by the total number of runners and express the result as a fraction. There are 25 female runners, and there are a total of 24 men + 25 women = 49 runners. Therefore, the ratio of the number of female runners to the total number of runners is 25/49. This fraction can be reduced to 5/9.
3. Students at Polk Middle School are given a fitness test. The results of their tests are shown in the table. Use the table to answer questions a-c. a. Find the time it takes each student to run . Evian:_ Toby:_ Jillian:_ b. Which student is running at the fastest rate? Expl c. Jillian is trying out for the cross country team. To make the team, she must run in less than . Will Jillian make the team? Explain.
Answers
The time for each of them to cover 1 mile is; Evian = 10 min, Toby = 9 min and Jillian = 12 min. The fastest is Toby and No, Jillian can't make the team.
What is unit rate?A unit rate means a rate for one of something.
Given that, Students at Polk Middle School are given a fitness test.
The fitness test result is;
Evian can run [tex]1\frac{1}{2}[/tex] miles in 15 minutes, Toby can run 2/3 miles in 6 minutes and Jillian can run 3/4 miles in 9 minutes
a) The rate of running in 1 mile = (total miles covered)/(total time taken)
Evian =
3/2 miles in 15 minutes
1 mile = 15x2/3
1 mile = 10 minutes
Toby =
2/3 mile in 6 minutes
1 mile = 6x3/2
1 mile = 9 minutes
Jillian =
3/4 miles in 9 minutes
1 mile = 9x4/3
1 mile = 12 minutes.
b) Since, Toby is covering 1 mile in the least minutes in comparison with other two, therefore Toby is fastest among them.
c) Jillian's rate = 1 mile in 12 minutes
Speed = 1/9 miles per minute
Therefore, she will cover 7/2 miles in = 12x7/2 = 42 minutes
That means, she can't make the team.
Hence, the answers are a) Evian = 10 min, b) Toby = 9 min and Jillian = 12 min, the fastest one is Toby and Jillian can't make the team.
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Solve for x.
Graph the solution.
3x + 1 < 2x - 4
Answers
Step-by-step explanation:
3x + 1 < 2x - 4
3x-2x <-4-1
x<-5
You have won a new PS 5 system in a rafflel With a bit of research, you have determined that the cost of a new PS 5 system is $712 with tax. If you know that the value of gaming consoles decreases each year by 12%, based on the previous year's value, what will your PS 5 system be worth after 6 years?
Answers
The salvage value of the PS 5 system after 6 years will be $640.
Explain the term depreciation?Depreciation is the estimated decrease in value of fixed assets over the course of a fiscal year. The amount of an asset's value has indeed been used is shown through depreciation. It enables businesses to purchase assets over a predetermined length of time and generate income from those assets.The formula for the depreciation;
Depreciation per year = (cost of asset - salvage value)/ (useful life of assets)
For the stated question-
Cost of new PS 5 system = $712.salvage value to be find.Depreciation per year = 12%useful life of assets = 6 years.12 = (712 - salvage value)/ (6)
salvage value = 712 - 12x6
salvage value = $640.
Thus, the salvage value of the PS 5 system after 6 years will be $640.
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One angle measures 170°, and another angle measures (6k 44)°. if the angles are vertical angles, determine the value of k. k = 12 k = 20 k = 21 k = 126
Answers
Answer: the answer is 21
Step-by-step explanation:
If one angle measures 170°, and another angle measures (6k + 44)° and both are vertical angles that means the second angle should be the same as the first angle.
Vertical angles are congruent meaning they have an equal measure.
Now we have to find k
(6k + 44) = 170
subtract 44 - 44 and 170 - 44
(6k) = 126
divide 6 by 6, that leaves with just k on the left.
126 divided by 6 equals to 21
k = 21
Hope this helps!
