x-coordinate = -7
Step-by-step explanation:
\( - 16 = 3x + 5 \\ - 21 = 3x \\ x = - 7\)
substitute -16 in y
A movie theater wanted to determine the average rate that their diet soda is purchased. An employee gathered date on the amount of diet soda remaining in the machine y for several hours after the machine is filled x the following scatter plot and line of fit was created to display the data.
Find the y interpret of the line of fit and explain its meaning in the context of the date.
A. The y-intercept is -5.1 the machine starts with 5.1 ounces of diet soda.
B. The y-intercept is 40.5 the machine starts with 40.5 ounces of diet soda.
C. The y-intercept is -5.1 the machine loses about 5.1 fluid ounces of diet soda each hour.
D. The y-intercept is 40.5 the machine loses about 40.5 fluid ounces of diet soda each hour.
The y-intercept is 40.5 the machine starts with 40.5 ounces of diet soda.
Option B is the correct answer.
We have,
From the graph plot,
We see that,
The y-intercept is when x = 0.
This means,
At 0 hours, the amount of diet soda is 40.5.
Now,
y = 40.5 means the machine starts with 40.5 ounces of diet soda.
Thus,
The y-intercept is 40.5 the machine starts with 40.5 ounces of diet soda.
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due to an increased use of insecticides the monarch butterfly population in the Midwest is decreasing, the population is one tenth as large as the prior year. The starting population is 100,000write an equation to model the situationwhat will the population be after 5 years
Given that the population is one-tenth as large as the prior year and that the starting population is 100,000, we have the sequence:
a_ 1 = 100000
a_ 2 = 10000
a_ 3 = 1000
a_ 4 = 100
a_ 5 = 10
Then:
\(\mathrm{A\:geometric\:sequence\:has\:a\:constant\:ratio\:}r\mathrm{\:and\:is\:defined\:by}\:a_n=a_1\cdot r^{n-1}\)In this case, we have r = 1/10 and the equation that models this situation is:
\(a_n=100000\left(\frac{1}{10}\right)^{n-1}\)After 5 years, the population will be:
\(\:a_5=100000\left(\frac{1}{10}\right)^{5-1}=10\text{ }\)Solve for a
2x-2=-3x+13
X =
To solve for x, we need to isolate x on one side of the equation. To do this, we can first move all the terms that do not contain x to the right side of the equation by adding 3x and 2 to both sides:
2x - 2 + 3x + 2 = -3x + 13 + 3x + 2
5x = -3x + 15
8x = 15
Dividing both sides by 8, we get:
x = 15/8
= 1.875
Therefore, the value of x is approximately 1.875.
The value of x in equation 2x-2= -3x+13 is 3
To solve this equation we need to find the value of x so that all x terms should be one side and all constants should be at ones side:
2x+3x=13+2
5x=15
Now divide both side with 5 then, we get:
5x/5=15/5
x=3
Therefore, the value of x is 3
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arkadaşlar 81×56 kaç
Answer:
big
Step-by-step explanation:
pp
Answer:
4536
Step-by-step explanation:
Hesap makinesi kulan
The median for the data: 10,12,15,16,8, 7 is
Answer:
11
Step-by-step explanation:
7,8,10,12,15,16
12+10=22÷2=11
Answer:
11
Step-by-step explanation:
10, 12, 15, 16, 8, 7
Write the numbers in increasing order:
7, 8, 10, 12, 15, 16
The median is the middle number if there is an odd number of numbers.
Here we have an even number of numbers (6), so the median is the arithmetic mean (average) of the two middle numbers.
median = (10 + 12)/2 = 22/2 = 11
A $2,700 principal earns 5% interest, compounded annually. After 4 years, what is the balance in the account
Answer:
Step-by-step explanation:
67001
G6 M4 L19
POSSIBLE PO!
Jenna and Allie work together at a piano factory. They both were hired on January 3, but Jenna was hired in 2005, and Allie was hired in 2009
If both workers continue working at the piano factory, when Allie has 20 years of experience on the job, how many years of experience will Jenna ha
on the job?
2.
3
Answer:
24. because 2009-2005+20 = 24. hope that helps
Find the value of x for the triangle.
The sum of all the angles in a triangle is 180 degrees, so we get the equation:
\(55 + 54 + (x + 74) = 180\\x + 183 = 180\\x = -3\)
The value of x is -3.
Hope that helps!
Answer:
(x+74)+55+54=180
x= -3
What is the perimeter of a square whose area is x^2+2x+1 square feet
Area and perimeter assignment. (9th Grade geometry)
Thus, the perimeter of the shown triangle using the distance formula is found as 13.45 units.
Explain about the perimeter:A path that encircles a region is referred to as a perimeter. Adding the lengths of every one of the sides together is the simplest formula for calculating the perimeter. The word circumference, that only encompasses a circle's perimeter, is used to describe the distance around a circle.
Given that:
coordinates of triangle: A(5,3) , B(1,5) and C(3,0)Perimeter = sum of all sides
Perimeter = AB + BC + CA
Estimate each distance using the distance formula:
d = √(x2 - x1)² + (y2 - y1)²
AB = √(1 - 5)² + (5 - 3)²
AB = √(-4)² + (-2)²
AB = √(16 + 4)
AB = √20
BC = √(3 - 1)² + (0 - 5)²
BC = √(2)² + (-5)²
BC = √(4 + 25)
BC = √29
CA = √(5 - 3)² + (3 - 0)²
CA = √(2)² + (3)²
CA = √(4 + 9)
CA = √13
Perimeter = AB + BC + CA
Perimeter = √20 + √29 + √13
Perimeter = 4.47 + 5.38 + 3.60
Perimeter = 13.45 units.
Thus, the perimeter of the shown triangle using the distance formula is found as 13.45 units.
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What is 2/6 as a decimal
Answer: 0.333 repeating
Step-by-step explanation:
From a survey of 100 college students, a marketing research company found that 55 students owned iPods, 25 owned cars, and 5 owned both cars and iPods.
How many students do not own either a car or an iPod?
Answer:
Correct option is B)
n(AUB)=n(A)+n(B)−n(A∩B)
=75+45−35
=85
number of students owing car or stereos=85
number of students neither car nor stereo =100−85=15
The number of students who do not own either a car or an iPod is 25.
What is union of sets?Union of two given sets is the smallest set which contains all the elements of both the sets.
What is intersection of sets?Intersection of two given sets is the largest set which contains all the elements that are common to both the sets
What is the formula for union of two sets?The union of two sets is given by
n(A∪B) = n(A) + n(B) -n(A∩B)
Where,
A and B are the two sets.
∪ is the union
∩ is the intersection.
According to the given question.
Total number of students in a college = 100
Total number of students who own iPods, n(A) = 55
Total number of students who own cars, n(B) = 25
Number of students who own both cars and iPods, n(A∩B) = 5
Therefore,
The number of students who own cars or iPods is given by
n(A∪B) = n(A) + n(B) - n(A∩B)
⇒n(A∩B) = 55 + 25 - 5
⇒ n(A∪B) = 75
So, the number of students who do not own either a car or an iPod
= 100 - 75
= 25
Hence, the number of students who do not own either a car or an iPod is 25.
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The sum of deviations of n observations about 25 is 25 and the sum of deviations of the same n observations about 35 is −25. The mean of observations.
Answer:
30Step-by-step explanation:
please refer to the attachment above
Consider the regular hexagon shown below. What is the area of the hexagon? (attached image)
A. 64.5 cm^2
B. 30cm^2
C. 21.5 cm^2
D. 10.75 cm^2
ANSWER ASAP PLEASE
. Find the exact area and circumference of a circle whose diameter is 8 meters. Show your work.
Answer: A=50.27, c=25.13
Step-by-step explanation:
Which of the following functions is equal to f(x)=csc(x-9pi)+2 ? Select 3 answers
B. f(x) = csc(x - pie ) + 2 = - csc(x) + 2
C. f(x) = - csc(x - 2pie) + 2 = - csc(x) + 2
F. f(x) = - sec(x - 9pie/2 ) + 2 = - sec( x - 4pie - pie/2 ) + 2
= - sec(x - pie/2) + 2 = - csc(x) + 2
Jason is buying wings and hot dogs for a party. One package of wings costs $7. Hot dogs cost $5 per package. He must spend no more than $40. Write and inequality to represent the cost of Jason’s food for the party. Jason knows that he will be buying at least 5 packages of hot dogs. Write an inequality to represent this situation. Graph both inequalities. Give two options for Jason when buying wings and hot dogs.
An inequality to represent the cost of Jason’s food for the party is
An inequality to represent this situation "Jason knows that he will be buying at least 5 packages of hot dogs" is
The two options for buying wings and hot dogs include the following:
One (1) package of wings and five (5) packages of hot dogs.Two (2) packages of wings and five (5) packages of hot dogs.How to write the required system of linear inequalities?In order to write a system of linear inequalities to describe this situation, we would assign variables to the number of packages of hot dogs and number of packages of wings respectively, and then translate the word problem into algebraic equation as follows:
Let the variable x represent the number of packages of wings.Let the variable y represent the number of packages of hot dogs.Since one package of wings costs $7 and Hot dogs cost $5 per package, and he must spend no more than $40, a linear inequality which represents this situation is given by;
7x + 5y ≤ 40
Additionally, since Jason knew he would buy at least 5 packages of hot dogs, a linear inequality which represents this situation is given by;
y ≥ 5
Next, we would use an online graphing calculator to plot the above system of linear inequalities as shown in the graph attached below.
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7. Find the measure of KLM and M
Answer:
m∠KLM = 64° ; m∠M = 26°
Step-by-step explanation:
(20x + 4)° = (6x + 4)° + (8x + 18)°
20x + 4 = 14x + 22
6x = 18
x = 3
m∠KLM = (20×3 + 4)° = 64°
m∠M = 90° - 64° = 26°
Dado cot B = 0.57736, determina la medida del ángulo B.
The measure of angle B is approximately equal to 56.31 degrees, rounded to two decimal places.
What is a angle measure?An angle measure is a numerical value that represents the amount of rotation between two intersecting lines, line segments or rays. It is typically measured in degrees, although other units of measurement such as radians and grads may also be used. The size of an angle can range from 0 degrees (corresponding to no rotation or a straight line) to 360 degrees (corresponding to a full rotation). In geometry, angles are used to describe the relationships between lines and shapes, and are an important concept in fields such as trigonometry and calculus.
To find the measure of angle B given cot B = 0.57736, we can use the inverse tangent function.
The tangent of an angle is the ratio of the opposite side to the adjacent side,
So cot B = adjacent side / opposite side.
By taking the inverse tangent of both sides and substituting cot B for adjacent side / opposite side, we arrive at the equation
B = arctan(cot B).
Evaluating arctan(cot B) using a calculator gives us the measure of angle B as,
B = arctan(cot B) = 56.31° (rounded to two decimal places)
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The complete question is: "Given cot B = 0.57736, determine the measure of angle B".
For any positive integer n, the value of n! is the product of the first n positive integers. For example, 4! = 4 * 3 * 2 * 1 =24. What is the greatest common divisor of 5! and 7! ?
The greatest common divisor of 5! and 7! is 840.
To find the greatest common divisor (GCD) of 5! and 7!, we need to calculate the prime factorization of both numbers.
First, let's calculate the prime factorization of 5!:
5! = 5 * 4 * 3 * 2 * 1 = 120.
The prime factorization of 120 is 2^3 * 3 * 5.
Now, let's calculate the prime factorization of 7!:
7! = 7 * 6 * 5! = 7 * 6 * 120 = 5040.
The prime factorization of 5040 is 2^4 * 3^2 * 5 * 7.
To find the GCD of 5! and 7!, we need to find the common factors in their prime factorizations. We take the smallest exponent for each prime factor that appears in both factorizations.
From the prime factorizations above, we can see that the common factors are 2^3, 3, 5, and 7. Multiplying these factors together gives us:
GCD(5!, 7!) = 2^3 * 3 * 5 * 7 = 8 * 3 * 5 * 7 = 840.
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Solve 3exponent3-2=9
Answer: No solution. 27=9
PLEASE HELP ASAP!!
A study estimated that the number of water bottles recycled by a household and the number of household members are correlated with r = 0.79.
According to this correlation coefficient, how is the number of recycled water bottles expected to change as the number of household members increases?
It will increase.
It will decrease.
It will stay the same.
Answer:
increase
Step-by-step explanation:
because if there is more members well need more water
The dance team is selling headbands to raise
money for dance team jackets. They need
to sell 1,260 headbands. The headbands must
be divided equally among the three coaches.
Each coach is in charge of 10 dancers. If all
the headbands must be sold, how many
headbands will each dancer on the team
need to sell?
Answer:
42 headbands per dancer
Step-by-step explanation:
Selling 1260 headband
Divide by the three coaches
1260/3
420 per coach
Divide by each dancer under a coach
420/10 = 42
Each dancer must sell 42 headbands
A person places $48800 in an investment account earning an annual rate of 3.1%,
compounded continuously. Using the formula V = Pert, where Vis the value of the
account in t years, P is the principal initially invested, e is the base of a natural
logarithm, and r is the rate of interest, determine the amount of money, to the
nearest cent, in the account after 13 years.
When a person places $48,800 in an investment account at an annual rate of 3.1% compounded continuously, using the formula, V = \(Pe^rt\), the amount of money (future value) after 13 years is $73,019.78.
What is compounding?Compounding refers to the process or interest system that computes periodic or continuous interest on both the principal and accumulated interest.
We can solve for the future value of an investment under continuous compounding using an online finance calculator as follows:
Using the formula V = \(Pe^rt\)
Principal (P) = $48,800.00
Annual Rate (R) = 3.1%
Compound (n) = Compounding Continuously
Time (t in years) = 13 years
Result:
V = $73,019.78
V = P + I where
P (principal) = $48,800.00
I (interest) = $24,219.78
Calculation Steps:
First, convert R as a percent to r as a decimal
r = R/100
r = 3.1/100
r = 0.031 rate per year,
Solving the equation for V:
V = \(Pe^rt\)
V = \(48,800.00(2.71828)^(0.031)(13)\)
V = $73,019.78
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I MEED HELPP WITH THIS PAGE PLSSS
9. The value of x is 7
10. In the figure x = 10
11. The relationship is that their sum is 180 degrees
This relationship is known as the Same-Side Interior Angles Theorem.
12. The statement is true.
Supporting statement: If the two lines are parallel, then the alternate exterior angles created by the transversal line are equal
14 < 3 = 94 degrees
How to find the value of x9. The value of x is solved using the knowledge of corresponding angles are equal
< A = < B
4x = 3x + 7
x = 7
10. In the figure < 3 and < 6 are alternate internal angles which is equal
7x - 10 = 5x + 10
7x - 5x = 10 + 10
2x = 20
x = 10
11. The relationship between the interior angles on the same side is that their sum is 180 degrees
This relationship is known as the Same-Side Interior Angles Theorem. It is a fundamental concept in geometry and is used to solve problems involving parallel lines and transversals.
12. The statement is true.
Supporting statement: If the two lines are parallel, then the alternate exterior angles created by the transversal line are equal
13. The measure of w is solved using the idea of vertical angels
w + 85 = 148
w = 148 - 85
w = 63
14. The mistake is that < 5 is not corresponding angle to < 2
The correct solution is < 3 = < 5 alternate internal angles
< 3 + 86 = 180 supplementary angles
< 3 = 180 - 86
< 3 = 94 degrees
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write a lab report on density
You don't give much information but I will give you the definition of "density".
In all simpleness, the definition of density is the compactness of a substance.
Density can be found with the formula; p = m/v
p = density
m = mass
v = volume
Best of Luck!
Write a sequence of dilations and transformations that map circle B onto circle A and that shows the two circles you created are similar.
We have start with circle B, which is a circle with radius equals to 3 and centered at (4, 4).
The circle A has a radius equals to 4. If we dilate the image of the circle B around the center of circle A by the ratio between the radius, we're going to have circle A.
Translation means the displacement of a figure or a shape from one place to another. If we translate the circle B 8 units to the left, The image is going to have the same center as circle A.
The transformations that takes circle B to circle A are a dilation around (4, 4) by a factor of 4/3, and then a horizontal translation of 8 units to the left.
What are the coordinates of the image a ABC after a dilation with center (0,0) and a scale factor of 3? Explain how you got your answers.
Answer:
1) List the coordinates ΔABC
A(2,2) , B(4,6), C(6,2)2) State the rule of dilation
(x,y) → (3x,3y)3) Apply the rule:
A´. (2,2) A´(3(2),3(2)) =A´(6,6)B´. (4,6) B´(3(4),3((6)= B´(12,18)C´. (6,2) C´(3(6),3(2))=C´(18,6)Ans: A´(6,6) B´(12,18)C´(18,6)
-----------------------------
hope it helps...
have a great day!!
Answer:
A(6,6) B(12,18)C (18,6)
Step-by-step explanation:
hope it helps you...
Identify the vertex and axis of symmetry of the quadratic function.f(x)= - 3(x + 2)^2 + 5
We are given the equation of a parabola, and we are asked to find its vertex and axis of symmetry
The general form of a quadratic equation is the following
\(f(x)=a(x-h)^2+k\)Written in this form, the point (h,k) represent the vertex of the parabola, that means that in the equation given by the problem
\(f(x)=-3(x+2)^2+5\)The vertex is the point
\((h,k)=(-2,5)\)To find the axis of symmetry we need to expand the equation by solving the parenthesis and simplifying
\(f(x)=-3(x^2+4x+4)+5\)\(f(x)=-3x^2-12x-12+5\)\(f(x)=-3x^2-12x-7\)Written in this form, we have that the axis of symmetry is given by
\(x=-\frac{b}{2a}\)where the coeficient b and a, come from the equation, knowing that the general form is the following
\(f(x)=ax^2+bx+c\)therefor, the axis of symmetry is equal to
\(x=-\frac{-12}{2(-3)}=-2\)Please help with this question please and thank you
Answer:
I need help with this too!!!
Step-by-step explanation:
Answer:
what does it mean?
Step-by-step explanation:
I do not understand.