Answer:
line plot
Step-by-step explanation:
At the city museum, child admission is $5.40 and adult admission is $9.40. On Tuesday, three times as many adult tickets as child tickets were sold, for a total
sales of $974.40. How many child tickets were sold that day?
The number of tickets sold will be equal to 29.
What is an expression?The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.
Let x represent the number of child tickets that were sold
Let y represent the number of adult tickets that were sold
5.30x +9.40y= 1206
The number of adult tickets sold was three times greater than the number of child tickets,
y= 3x
Substitute 3x for y in the equation,
5.40x + 9.40y= 974.40
5.40x + 9.40(3x)= 974.40
5.40x + 28.2x= 974.40
33.6x= 974.40
Divide both sides by the coefficient of x which is 33.5,
x= 974.40/33.6
x = 29
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What are the 5 ways to prove congruence?
The five ways to prove the congruence theorem are listed as,
SSS TheoremSAS TheoremASA TheoremAAS TheoremRHS TheoremHere we have to find the 5 ways to prove congruence.
As we all know that, according to the concept of triangle, then term congruence referred as if two shapes are congruent if and only if they have the exactly the same sides and exactly the same angles.
Based on these we have derived 5 sub theorem, from the congruence theorem, they are listed as,
1) SSS (side, side, side)
2) SAS (side, angle, side)
3) ASA (angle, side, angle)
4) AAS (angle, angle, side)
5) HL (hypotenuse, leg)
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Alyssa is 1.65 meters tall. At 11 a.m., she measures the length of a tree's shadow to be 27.75 meters. She stands 23.5 meters away from the tree, so that the tip of her shadow meets the tip of the tree's shadow. Find the height of the tree to the nearest hundredth of a meter.
Answer:
The tree is 10.77 meters tall.
Step-by-step explanation:
The given diagram is an example of similar triangles. Look at the image I attached to my response to see this problem in terms of triangles.
The triangle that is formed by Alyssa and her shadow and the triangle that is formed by the tree and its shadow is an example of similar triangles because they both share an internal angle.
As per the similar triangles theorem, the ratios of the corresponding sides of both sides are proportional.
Thus, we have to make a proportion of the corresponding sides of both triangles to solve for the height of the tree. Let x = the height of the tree.
Proportion: [tex]\frac{BE}{BC} = \frac{DE}{AC}\\[/tex]
BE = 4.25 meters
BC = 27.75 meters
DE = 1.65 meters
AC = x meters
[tex]\frac{4.25}{27.75} = \frac{1.65}{x}[/tex]
Now, cross multiply to solve for x.
[tex]4.25x = 1.65(27.75)\\4.25x = 45.7875\\x = 10.77[/tex]
∴ The tree is 10.77 meters tall!
The height of the tree to the nearest hundredth of a meter is,
⇒ 10.77 meters
We have to given that;
Alyssa is 1.65 meters tall. At 11 a.m., she measures the length of a tree's shadow to be 27.75 meters. She stands 23.5 meters away from the tree.
Now, we can make a proportion of the corresponding sides of both triangles to solve for the height of the tree.
And, Let us assume that,
x = the height of the tree
Hence, We get;
⇒ (27.75 - 23.5) / 27.75 = 1.65 / x
Solve for x;
⇒ 4.25 / 27.75 = 1.65 / x
Cross multiply we get;
⇒ 4.25x = 1.65 x 27.75
⇒ 4.25x = 45.78
⇒ x = 10.77 meters
Thus, The height of the tree to the nearest hundredth of a meter is,
⇒ 10.77 meters
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Pleaseeeee helppp. I'm so confused.
Answer:
x ≤ 2
Step-by-step explanation:
Brainliest pls btw did it help
Can anyone help me answer this question?
Let A, B, C e sets. Which of the following properties is the cumulative law?
a. A ∪ B = B ∪ A
b. A ∩ B = B ∩ A
c. A ∩ B = B ∪ A
d. (A ∪ B) ∪ C = A ∪ (B ∪ C)
The property that represents the commutative law of sets is given as follows:
d. (A ∪ B) ∪ C = A ∪ (B ∪ C)
What is the commutative law of sets?The cumulative law of sets states that the order in which the union operation is made does not change the resulting set of these multiple union operations.
The symbol that represents the union operation is given as follows:
∪.
Hence statement d is the correct statement of the commutative law of sets, as:
In (A ∪ B) ∪ C, the union of A and B is first obtained, and then united with set C.In A ∪ (B ∪ C), the union of B and C is first obtained, and then united with set A.For both cases, the resulting set is the same.
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how many ways are there that no two students will have the same birth date in a class of size 60?
The number of ways in a class of size 60 where no two students will have the same birth date is 365 x 364 x 363 x 362 x ........... x 306.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
Number of students = 60
We will assume 365 days in a year.
Now,
The first student will have 365 possible days for his birthday.
The second student will have 364 possible days for his birthday.
In this way,
The last student will have (365 - 59) possible days for his birthday.
Now,
The number of possible ways for 60 students.
= 365 x 364 x 363 x 362 x ........... x 306
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If your starting balance is $250, what is your new balance after a withdrawal of $56.50 and a deposit of $25.00?
Answer:
$218.5
Step-by-step explanation:
its $218.5 because 250 - 56.50 = 193.5 and 193.5 + 25.00 + 218.5
Is equidistant from all points on the circle?
The point from which all the points on a circle are equidistant is called the center of the circle, and the distance from that point to the circle is called the radius of the circle. A circle is named with a single letter, its center.
Every point in a circle is equally distance from the center. Similar to a sphere, every point on a sphere is equally distance from the center.
Two equal chords on a circle indicate that they are equally spaced from the circle's center.
The incenter of a triangle is the point that is equally far from each of its sides. A median is a line segment that has one of its endpoints in the vertex of a triangle and the other endpoint in the midpoint of the side opposite the vertex. The three medians of a triangle meet in the centroid.
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Matt shot an 86 on the golf course on Monday then on Friday he shot a 95 what is the percentage of change rounded to the nearest 10th of a percent?
Answer:
increase 10.5 percent
Step-by-step explanation:
..
find the x number i will gave 10 points
Answer:
x is 5 cm
Step-by-step explanation:
x is half of the diagonal and we can see that the diagonal is 10 cm
and half of 10 is
. a pole is carried down a hallway 9 ft wide. at the end of the hall, there is a right-angled turn into a narrower hallway 6 ft wide. what is the length of the longest pole that can be carried horizontally around the corner?
Using the geometry of the right angle triangle. Since, The narrower hallway is 6ft. The answer is 6ft.
What do you mean by geometry?A subfield of mathematics called geometry examines the dimensions, placements, angles, and sizes of objects.
What is a right angle triangle?A right triangle is one that has an interior angle of 90 degrees. The hypotenuse, which is also the side of the right triangle that faces the right angle, is its longest side. The height and base make up the two arms of the right angle.
Larger hallway= 9 ft
narrower hallway=6 ft
Since, After turning in the corner, The pole should be carried through the 6ft wide hall. The maximum length of the pole is 6ft.
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What degree is a 3 to 1 slope?
Answer:
Slope
Angle (degrees) Gradient Grade (%)
2 to 1 = 3.493 to 1 = 5.244 to 1 = 6.99Therefore, the correct answer is 5.24
What does range mean *?
The range of possibilities for variation or the boundaries between them: the price spectrum for steel; many different styles. the size or scope of a process, action, or operation .
what is range ?The range of values between the highest and lowest values for a certain data collection is known as the statistical range. It is also possible to show the range by comparing the highest and lowest observational values. The sample interval is found by subtracting the highest value from the lowest. For continuously varying variables, the sample range is a key measure of variability.
here ,
Between the lowest and greatest numbers, there is a range. In the example, the lowest value is 2, and the highest is 9.
The range therefore equals 9 x 2 = 8.
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What is the median of 8 5 7 9 11 6?
For the given observation 5,6,7,8,9,11 the Median is 7.5
The median is one of the metrics of central tendency. The middle value in a group of numbers is known as the median. It divides a given data sample into the higher half and the lower half. At least half of the observations fall below the median and at least half of the observations fall above the median.
If a data collection contains an even number of observations, the median can be determined as follows:
Sort the information either by ascending or by descending.
Identify the (n/2)nd and [(n/2) + 1] th observations if there are an even number of observations (let's say n).
The median of the provided data is equal to the average of the top two observations (as determined in step 2).
Here n = 6, So [6/2 + (6/2)+1}/2
=> Median = 7.5.
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What is the formula for horizontal and vertical?
Horizontal asymptotes is a horizontal line and its equation is y=k
vertical asymptotes is a vertical line and its eqaution is x=k
In these given lines we can find horizontal and vertical asymptotes.
What is the formula for horizontal asymtotes?To find the horizontal asymptotes ,we compare the degree of the numerator with the degree of denomenator.
f(x)=ax^n/bx^m
if degree of numerator is greater than degree of denominator then does not exist horizontal asymptotes.
what is the formula for vertical asymptotes?To find the vertical asymptotes , we use
f(x)= p(x)/q(x)
To set the denominator q(x) to zero ,and solve the value for x.
where p(x) and q(X) are polynomial functions and q(x) [tex]\neq[/tex] 0
vertical asymptotes is x=k where k represents real zero of q(x).
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There are 6 seniors on student council. Two of them will be chosen to go to
an all-district meeting. How
many ways are there to choose the students who
will go to the meeting?
Decide if this is a permutation or a combination, and then find the number of
ways to choose the students who go.
By using the property of combination, it can be calculated that -
This is a problem of combination.
There are 15 ways to choose the students who will go to the meeting
What is combination?
Combination is the process of selection some objects from a group of items where the order of the selection do not matter
This is a problem of combination
Number of seniors = 6
Number of students will go to the all district meeting = 2
Number of ways to choose the students who will go to the meeting =
[tex]{6 \choose 2}[/tex]
= [tex]\frac{6!}{(6 - 2)! \times 2!}[/tex]
= 15
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What is the volume of a pyramid with a base area of a square and a height of a cube?
The volume of the pyramid with the given base area of square and height of the cube is given by: V = ( 1/3) × ( y)² × (h).
As given in the question,
Base of the given pyramid is square in shape.
Base area of the pyramid is given by:
Let 'y' be the side length of the square base.
Area of the square base = ( side length )²
= y²
let 'h' be the height of the cube
Volume (V) of the pyramid = ( 1/3 ) × Base area × height
⇒Volume of the pyramid = ( 1/3 ) × y² × h
Therefore, the volume of the pyramid with square base and height of the cube is equal to Volume of the pyramid = ( 1/3 ) × y² × h.
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Find the output for f(x) = -3x+4 when x =-5
PLEASE SHOW WORKKK
I NEED THIS ASAP
Answer:
f(x)=19
Step-by-step explanation:
x=-5
f(x)=-3(-5)+4
f(x)=15+4
f(x)=19
I think this is how you do it, but I haven't done these problems in a while so I could be incorrect.
Is negative and positive infinity the same?
No, negative infinity and positive infinity are not the same. Negative infinity is a amount of number that is less than any other number, while positive infinity is a number that is greater than any other number.
Negative infinity is a number that is less than any other number. It is represented by a negative sign followed by an infinity symbol, and it is usually written as "-∞". Negative infinity is the opposite of positive infinity, which is a number that is greater than any other number. Positive infinity is usually written as "+∞". Negative infinity is used in mathematics to signify the smallest possible number or the lower limit of a range, while positive infinity is used to signify the largest possible number or the upper limit of a range. The two numbers are not the same, as they represent opposite extremes of a range. Negative infinity is the lowest possible number and positive infinity is the highest possible number.
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what is the slope between (7,-4) and (2,-4)
Answer:
0
Step-by-step explanation:
Rise over run.
Difference between y is 0.
Difference between x is 5.
0/5 = 0.
Answer:
m = 0
Step-by-step explanation:
Slope is rise/run or (y2 - y1) / (x2 - x1)
We see the y stay the same, and the x decrease by 5, so the slope is
m = 0/5
how many integers between 2022 and 2388 have four distinct digits arranged in an increasing order
Answer:
Step-by-step explanation:
360
John spent $75 on a shopping trip for new clothes last week. He had expected to spend $100 on clothes. Complete the table.
A 6-column table with 1 row. Column 1 is labeled Approximate Value with entry 100 dollars. Column 2 is labeled Exact Value with entry 75 dollars. Column 3 is labeled Error with entry 25 dollars. Column 4 is labeled Absolute Error with entry 25 dollars. Column 5 is labeled Ratio with entry e. Column 6 is labeled Percent Error with entry f.
What is the ratio? e =
What is the percent error
The ratio of the error is; 0.3333
The Percent error of the given problem is; 33.33%
How to find the percentage error?We are given;
Amount spent by John on shopping = $75
Amount expected to spend = $100
Since this is what was given then it means we will have the following;
The approximate value to be spent = 100 dollars
Exact Value spent = 75 dollars
Therefore, the error made is;
Error = Approximate value - Exact value
Error = 100 - 75
Error = 25 dollars
Thus, the error when it is absolute is;
Absolute Error = ±25 dollars
Now, the ratio will be;
Ratio(e) = Error/exact value spent
e = 25/75 = 0.3333
Percent Error = error * 100%
Percent error = 0.3333 * 100%
Percent error = 33.33%
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How do you find the missing side of a triangle without a calculator?
We can find out the missing values of the sides of a triangle by using trigonometry functions like sin, cos, and tan.
If one angle and perpendicular are given then the other side means hypotenuse can be found out by sin function.
Sin Ф = perpendicular/hypotenuse
If one angle and hypotenuse are given then the other side means base can be found out by the Cos function.
CosФ = base/ hypotenuse
If one angle and base are given then the other side means perpendicular can be found out by the tan function.
Tan Ф= perpendicular/ base
Therefore the missing sides can be found by trigonometric function while one angle is given.
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determine the average rate of change in concentration of b from t=0 s to t=212 s.
The average rate of change in concentration of b from t= 0 s to t = 212 s as calculated from the data given above is 0.004811 m/s.
The average rate of change is given by the formula ,
concentration change / time change.
First we will calculate the rate of change for A
rate change = 0.140 - 0.650 = -0.510 M
time difference = 212 s − 0 s = 212 s
Rate of concentration change = -0.510 M / 212 s = -0.002405 M/s
The - sign indicates that the [A] is decreasing with time.
In order to calculate the concentration rate of B we will write it in the form of stoichiometry
B = 2 x 0.002405 = +0.004811 m /s
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The square root of a negative number is supposed to not exist/be an imaginary number.
Am I right? Is this operation right?
Answer: You are correct, because negative number don't have real square roots
Step-by-step explanation:
Use graph paper, or the Distance Formula, to graph the points. Find the
distance between the given points. When necessary, round to the nearest
tenth.
(-6, -3) and (6, 2)
Answer: I think it's 13
Step-by-step explanation: So we need to fill in the distance formula. It's d=√((x_2-x_1)²+(y_2-y_1)²).
-6=x_1
-3=y_1
6=x_2
2=y_2
Now you plug in your coordinates to the formula, so you get d=√((6--6)²+(2--3²)
(6-(-6)²=144
(2-(-3²)=-7
So now 144+25=169
The square root of 169 is 13, so d=13. That should be your answer! Let me know if it's right
At which root does the graph of f x x 5 3 x 2 2 touch the x axis?
The root of the graph of f(x) = [tex](x-5)^{3} + (x+2)^{2}[/tex] touches the x axis at -2 and 5.
What is root of graph ?
A rooted graph is a graph in which one node is labeled in a special way so as to distinguish it from other nodes. The special node is called the root of the graph.
What is axis ?
An axis in mathematics is defined as a line that is used to make or mark measurements.
Have given , f(x) = [tex](x-5)^{3} + (x+2)^{2}[/tex]
⇒ [tex](x-5)^{3} * (x+2)^{2}[/tex]= 0.
But if ab = 0 ⇒ either a = 0 or b = 0 or both zero.
⇒ [tex](x-5)^{3}[/tex]= 0 and \[tex](x+2)^{2}[/tex] = 0
⇒ (x - 5) = 0 and x + 2 = 0
⇒ x = 5 and x = - 2.
The root of the graph of f(x) = [tex](x-5)^{3} + (x+2)^{2}[/tex] touches the x axis at -2 and 5.
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Simplify 9x - x + 4xy - 2xy pls be fast
Answer: 8x + 2xy
Step-by-step explanation:
9x - x + 4xy - 2xy
8x + 2xy
We can only compare the 9x with -x and the 4xy with the -2xy
Six lines are drawn, no two of which are parallel. If no more than two of the lines pass through any one point, what is the number of triangles formed?
Answer: I believe 20.
Take one pair of lines. They will intersect at a point (no lines parallel). The other four lines will intersect at different points (no more than two lines through one point) giving four triangles. There are 6C2 = 15 different pairs of lines so 15*4 = 60 triangles. However, each triangle will come from three different points so we need 60/3 = 20 distinct triangles.
EDIT: Now that I’m more awake, it occurs to me there is a much easier answer. Since no two lines are parallel and no three lines are coincident, every combination of three lines must form a triangle. There are 6C3 = 20 triangles.
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
combinations
C(n,r)= n! / (r! * (n−r)!)
n = 6 : total number of lines
r = 3 : because its 3 lines to make a triangle
6 lines
6C3 = 20 triangles
quora glenn clemens
mathplanet
WILL MAKE BRAINLIEST!!! Cheese is sold in packages of 8 and buns are sold in packages of 12. Harvey makes each burger with 1 patty and 1 bun. Harvey wants to buy enough cheese and buns to make burgers with no cheese or buns left over. At least how many burgers will Harvey make?