Answer:
1+1
Step-by-step explanation:
A brown paper bag contains some marbles;some blue and some white .The bag has a ratio of blue to white marbles of 3:6 .If the bag has 17 blue marbles how many white marbles are in the bag
Answer:
22.5
Step-by-step explanation:
v flight getting in intend kitchen dandruff gtg bunny
Please answer !!!!!!!! Will mark brainliest !!!!!!!!!!!!
Answer:
B)
D)
Step-by-step explanation:
B) 1 and 13 are x intercepts so true
D) greatest profit is when price is 7; after that profit is getting smaller because function is decreasing
Help please fast thank you
Answer:
if ur going left to right it would be d
Step-by-step explanation:
I haven’t came across one of these questions so not sure how to solve
m∠F = 140º
1) Since that trapezoid is a quadrilateral, then we can affirm that the Sum of their interior angles is:
\(\begin{gathered} S_i=180(n-2) \\ S_i=180(4-2) \\ S_i=180(2) \\ S_i=360 \end{gathered}\)Note that "n" refers to the number of sides:
Notice also that angle H is a right angle since this is not an Isosceles Trapezoid
So we can write out the following
9x +14x +4x + 90 = 360º
27x = 360 -90
27x = 270
x =10
Alternatively, angles between parallel lines are supplementary
2) To find out the measure of angle ∠F We'll need to plug x=10 into that expression:
m∠F = 14x
m∠F = 140º
4.Name three different ways to strike a line through text. E.g.
LINE OF TEXT.
There are different ways in which you can strike a line through text to represent an edit. Here are three of the most common methods:
1. Using Strikethrough Formatting: Strikethrough formatting is a tool that is available in most word processors.
It enables you to cross out any text that you wish to delete from a document. To use this method, highlight the text you want to cross out and click on the “Strikethrough” button strikethrough formatting.
2. Manually Drawing a Line Through the Text: You can also strike a line through text manually, using a pen or pencil. This method is suitable for printed documents or hand-written notes.
3. Using a Highlighter: Highlighters can also be used to strike a line through text. Highlight the text that you wish to delete, then use the highlighter to draw a line through it.
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Please help 30 points
The number of lattes sold daily by two coffee shops is shown in the table.
Shop A Shop B
55 45
52 42
56 57
48 48
57 11
30 10
45 46
41 43
Based on these data, is it better to describe the centers of distribution in terms of the mean or the median? Explain.
Mean for both coffee shops because the data distribution is symmetric
Median for both coffee shops because the data distribution is not symmetric
Mean for shop B because the data distribution is symmetric; median for shop A because the data distribution is not symmetric
Mean for shop A because the data distribution is symmetric; median for shop B because the data distribution is not symmetric
Answer: correct option is mean for shop A because the data distribution is symmetric; median for shop B because the data distribution is not symmetric
Step-by-step explanation:
According to the given data the correct statement is Mean for shop A because the data distribution is symmetric; median for shop B because the data distribution is not symmetric.
Note that the two values of Shop B (10 and 11) are alot lower than the other values.
Thus the correct option is Mean for shop A and Median for shop B.
As part of an annual review of its accounts, a discount brokerage selects a random sample of 26 customers. Their accounts are reviewed for total account valuation, which showed a mean of $32,700, with a sample standard deviation of $9,000. (Use t Distribution Table.) what is a 98% confidence interval for the mean account valuation of the population of customers? (Round your answers to the nearest dollar amount.) 98% confidence interval for the mean account valuation is and tween
The 98% confidence interval for the mean account valuation of the population of customers is between approximately $29,086 and $36,314.
To calculate the confidence interval, we can use the t-distribution since the population standard deviation is unknown and the sample size is relatively small (26 customers). With a 98% confidence level, we need to find the critical value from the t-distribution table. For a two-tailed test, the degrees of freedom would be n - 1, which is 26 - 1 = 25.
Using the t-distribution table or statistical software, we find that the critical value for a 98% confidence level with 25 degrees of freedom is approximately 2.787.
Next, we can calculate the margin of error, which is obtained by multiplying the critical value by the standard error of the mean. The standard error of the mean (SE) is given by the sample standard deviation divided by the square root of the sample size. In this case, SE = 9000 / √26 ≈ 1766.088.
The margin of error is then 2.787 * 1766.088 ≈ 4917.936.
Finally, we can construct the confidence interval by subtracting and adding the margin of error to the sample mean. The lower bound of the confidence interval is the sample mean minus the margin of error: 32700 - 4917.936 ≈ 29,086. The upper bound is the sample mean plus the margin of error: 32700 + 4917.936 ≈ 36,314.
Therefore, the 98% confidence interval for the mean account valuation of the population of customers is approximately $29,086 to $36,314.
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What is the number of possible turns for a square
Answer:
4 is the answer
hope this helps
(12t) / (6s) t= 3 and s=2
Answer:
12×3 = 36
6×2 = 12
36/12 = 3
Step-by-step explanation:
cmiiw
The value of the expression (12t) / (6s) when t= 3 and s=2 is 3.
What is PEMDAS?The abbreviation PEMDAS is used to indicate the sequence of steps to be taken when resolving expressions with multiple operations. P is for "parentheses," E is for "exponents," M is for "multiplication," D is for division, A is for addition, and S is for subtraction.
We have the expression,
(12t) / (6s)
To find the value of expression:
When t = 3 and s =2.
Substitute the value of t and s to the expression,
(12t) / (6s)
= {12(3)} / {6(2)}
By using the PEMDAS,
first, we solve the parenthesis.
(12t) / (6s)
= {12(3)} / {6(2)}
= (36 / 12)
Now, applying division operation.
= (36 / 12)
= 3
Therefore, the value is 3.
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x + Зу = -18
2х - Зу = 27
Can someone help me pls
The terms are: 1. Unlike terms. 2. Like terms. 3. Like terms. 4. Unlike terms. 5. Unlike terms. 6. Like terms.
What are like terms in algebraic expression?The term "like terms" in algebra refers to terms that have the same variable raised to the same power. Only the numerical coefficients can vary in terms that are similar to algebra. We can combine similar terms to make algebraic expressions simpler, making it much simpler to determine the expression's outcome.
Like terms are ones whose exponent power and variables are the same. These variables' coefficients might differ. Terms that have variables and exponents that differ from one another are said to be unlike terms.
Hence,
1. Unlike terms.
2. Like terms.
3. Like terms.
4. Unlike terms.
5. Unlike terms.
6. Like terms.
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Express in standard form :
42634.7
Answer:
ans is 42635 when expressed in standard form
Step-by-step explanation:
triangle ABC has vertices A(5, 12) B(13, 13) and C (11,5). show that the triangle ABC is. scalene triangle
Answer:
AB =√( (13 - 5)² + (13-12)²) = √(8² + 1²) = √65
BC = √( (13 - 11)² + (13-5)²) = √(2² + 8²) = √68
AC =√( (11 - 5)² + (5-12)²) = √(6² + 7²) = √85
AB ≠ BC ≠ AC ∴ ABC is Scalene
Step-by-step explanation:
A scalene triangle is a triangle in which all the sides are different lengths.
In order to prove that ABC is scalene, we need to calculate the sidelengths and show them to be different.
The line between points A(x₁, y₁) and B(x₂, y₂) can be denoted AB.
the difference in x-coordinate is x₂ - x₁, and the difference in y-coordinates is y₂ - y₁.
this forms a triangle of length x₂ - x₁ and height y₂ - y₁ and the hypotenuse AB can be calculated using pythagoras' theorem:
AB = √((x₂ - x₁)² +(y₂ - y₁)²)
The triangle ABC with vertices A(5, 12) B(13, 13) and C (11,5) is a scalene triangle.
What is Triangle?A triangle is a three-sided polygon that consists of three edges and three vertices.
The given three vertices of triangle ABC are A(5, 12) B(13, 13) and C (11,5).
We know that in a scalene triangle all the three sides lengths are different.
Let us find distance of AB,BC, CA
Distance=√(x₂-x₁)²+(y₂-y₁)²
A(5,12), B(13, 13)
AB=√(13-5)²+(13-12)²
=√8²+1²=√64+1=√65
B(13, 13) C (11,5).
BC=√(11-13)²+(5-13)²
=√4+64=√68
C (11,5).A(5,12),
CA=√(5-11)²+(12-5)²
=√(-6)²+(7)²
=√36+49=√85
The lengths of triangle ABC are different so the triangle is Scalene.
Hence the triangle ABC with vertices A(5, 12) B(13, 13) and C (11,5) is a scalene triangle.
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On a map with a scale of 1 : 50000 , the distance between two adjacent farmhouses is 3.2cm.What is the corresponding distance on the ground in kilometers.(
Answer:
1.6 kilometres
Step-by-step explanation:
Well, multiply 3.2cm with 50000 and there's your answer. That's the point of the scale, it gives you a quick and easy way to convert distances on the map to distances in nature.
I'll make it even easier for you, I'll convert to kilometers. You have centimeters on map, so take 2 zeros off and you have meters, take 3 more zeros off, and you have kilometers. That makes it 3.2*0.5 which is 1.6 kilometers, or approximately one american imperial mile.
NEED HELP ASAP! ILL GIVE BRAINLIEST
Let us also recall that it took the bus 36 s to cover 400 m, that the student was 200 m ahead of the bus, and it took the student 1.70 s to accelerate.
(a) What is the distance covered by the bus, from the moment the student starts chasing it and till the moment when the bus passes by the stop? You can use either equations or the v(t) graph. Give your answer in meters.
(b) What is the distance covered by the students in these 36 s (from the beginning of her race and till the bus passes by the stop)? You can use either equations or the v(t) graph. Give your answer in meters.
(c) Hence, by how much does the student miss the bus? Give the answer in meters. Use your answers from parts (a) and (b)
(c) The student misses the bus by the difference between the total distances covered by the bus and the student.
(a) To determine the distance covered by the bus from the moment the student starts chasing it until the moment the bus passes by the stop, we need to consider the relative motion between the bus and the student. Let's break down the problem into two parts:
1. Acceleration phase of the student:
During this phase, the student accelerates until reaching the bus's velocity. The initial velocity of the student is zero, and the final velocity is the velocity of the bus. The time taken by the student to accelerate is given as 1.70 s.
Using the equation of motion:
v = u + at
where v is the final velocity, u is the initial velocity, a is the acceleration, and t is the time, we can calculate the acceleration of the student:
a = (v - u) / t
= (0 -\(v_{bus}\)) / 1.70
Since the student starts 200 m ahead of the bus, we can use the following kinematic equation to find the distance covered during the acceleration phase:
s = ut + (1/2)at^2
Substituting the values:
\(s_{acceleration}\) = (0)(1.70) + (1/2)(-\(v_{bu}\)s/1.70)(1.70)^2
= (-\(v_{bus}\)/1.70)(1.70^2)/2
= -\(v_{bus}\)(1.70)/2
2. Constant velocity phase of the student:
Once the student reaches the velocity of the bus, both the bus and the student will cover the remaining distance together. The time taken by the bus to cover the remaining distance of 200 m is given as 36 s - 1.70 s = 34.30 s.
The distance covered by the bus during this time is simply:
\(s_{constant}_{velocity} = v_{bus}\) * (34.30)
Therefore, the total distance covered by the bus is:
Total distance = s_acceleration + s_constant_velocity
= -v_bus(1.70)/2 + v_bus(34.30)
Since the distance covered cannot be negative, we take the magnitude of the total distance covered by the bus.
(b) To determine the distance covered by the student during the 36 s, we consider the acceleration phase and the constant velocity phase.
1. Acceleration phase of the student:
Using the equation of motion:
s = ut + (1/2)at^2
Substituting the values:
\(s_{acceleration}\) = (0)(1.70) + (1/2\(){(a_student)}(1.70)^2\)
2. Constant velocity phase of the student:
During this phase, the student maintains a constant velocity equal to that of the bus. The time taken for this phase is 34.30 s.
The distance covered by the student during this time is:
\(s_{constant}_{velocity} = v_{bus}\) * (34.30)
Therefore, the total distance covered by the student is:
Total distance =\(s_{acceleration} + s_{constant}_{velocity}\)
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The multiplicity of a root r of the characteristic equation of A is called the algebraic multiplicity of r as an eigenvalue of A. (true or false)
The multiplicity of a root r of the characteristic equation of A is called the algebraic multiplicity of r as an eigenvalue of A.
The above statement is True.
Eigenvalue:
An eigenvalue is a special set of scalar values associated with the most probable system of linear equations in a matrix equation. Eigenvectors are also called eigenvalues. It is a non-zero vector which can be modified by at most its scalar factor after applying a linear transformation.
According to the Question:
If the geometric multiple of the eigenvalues is greater than or equal to 2, the linearly independent set of eigenvectors is no longer unique to the multiple as before. For example, for the diagonal matrix A=[3003], one could also choose the eigenvectors [11] and [1−1], or any pair of two linearly independent vectors.
Sometimes vectors are simply expanded to vector times matrix. If this happens, this vector is called the eigenvector of the matrix and the "stretch factor" is called the eigenvalue. Example: Given a square matrix A, λ is the eigenvalue of A, and the corresponding eigenvector x is
Ax = λx.
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Which type of map is this?
Answer:
goo
Step-by-step explanation:
Mary had a 3-inch piece of ribbon. She cut it in half. How long were the new pieces?.
3 inch.
to find:the length of the new pieces.
solution:to find the length of the new piece's you'll have to divide 3 by 2.
3/2
= 1.5 inch
so, the length of the new pieces is 1.5 inch.
Please help with this math problem I’ll mark you brainiest
What is this number in standard form?
(3×100)+(1×110)+(4×11,000)
pls help tysm
The number (3×100)+(1×110)+(4×11,000) in standard form will be 4.4410 × 10⁴
How to calculate the value?It should be noted that standard form simply means a way of presenting numbers as a mathematical expression.
The number given is illustrated as:
= (3×100)+(1×110)+(4×11,000)
= 300 + 110 + 44000
= 44410
This will be expressed in standard form as:
= 4410
= 4.4410 × 10⁴
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Write the greater number between 8/21 and 2/63.
AC is a diameter of OE, the area of the
circle is 289 units2, and AB = 16 units.
Find BC and mBC.
B
A
C
E. plssss hurry !!
The measure of arc BC is 720 times the measure of angle BAC.
Given that AC is the diameter of the circle and AB is a chord with a length of 16 units, we need to find BC (the length of the other chord) and mBC (the measure of angle BAC).
To find BC, we can use the property of chords in a circle. If two chords intersect within a circle, the products of their segments are equal. In this case, since AB = BC = 16 units, the product of their segments will be:
AB * BC = AC * CE
16 * BC = 2 * r * CE (AC is the diameter, so its length is twice the radius)
Since the area of the circle is given as 289 square units, we can find the radius (r) using the formula for the area of a circle:
Area = π * r^2
289 = π * r^2
r^2 = 289 / π
r = √(289 / π)
Now, we can substitute the known values into the equation for the product of the segments:
16 * BC = 2 * √(289 / π) * CEBC = (√(289 / π) * CE) / 8
To find mBC, we can use the properties of angles in a circle. The angle subtended by an arc at the center of a circle is double the angle subtended by the same arc at any point on the circumference. Since AC is a diameter, angle BAC is a right angle. Therefore, mBC will be half the measure of the arc BC.
mBC = 0.5 * m(arc BC)
To find the measure of the arc BC, we need to find its length. The length of an arc is determined by the ratio of the arc angle to the total angle of the circle (360 degrees). Since mBC is half the arc angle, we can write:
arc BC = (mBC / 0.5) * 360
arc BC = 720 * mBC
Therefore, the length of the arc BC equals 720 times the length of the angle BAC.
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2. How can we correctly set up our trig equation to solve for x in the image below?
If you have all the answers please put those aswell in order. for example
1. a
2. b
3.c
The trigonometry equation to solve for x is tan(37) = x/12
How to set up the trigonometry equation to solve for xFrom the question, we have the following parameters that can be used in our computation:
The triangle
Where, we have
Opposite of 37 = x
Adjacent of 37 = 12
using the above as a guide, we have the following:
tan(37) = Opposite/Adjacent
substitute the known values in the above equation, so, we have the following representation
tan(37) = x/12
Hence, the equation is tan(37) = x/12
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hello can you help me with this plane trigonometry question please and thank you for your time for doing this
hello
\(\theta=\frac{7\pi}{6}\)\(\sin \theta=\frac{\sin 7\pi}{6}\)we need to first convert the values into degrees first
\(\begin{gathered} 2\pi=360 \\ \frac{7\pi}{6}=x \\ 2\pi x=\frac{7\pi}{6}\times360 \\ 2x\times6=7\times360 \\ 12x=2520 \\ x=\frac{2520}{12} \\ x=210 \\ \theta=210^0 \end{gathered}\)now we can convert the values in degrees to surds form
\(\begin{gathered} \sin 210=-\frac{1}{2} \\ \frac{\sin 7\pi}{6}=-\frac{1}{2} \end{gathered}\)now let's solve for cosine
\(\begin{gathered} \cos 210=-\frac{\sqrt[]{3}}{2} \\ \frac{\cos 7\pi}{6}=-\frac{\sqrt[]{3}}{2} \end{gathered}\)i have no idea about how to do it.
The blanks are filled as follows
Step one
Equation 2x + y = 18 Isolate y,
y = 18 - 2x
How to complete the stepsStep Two:
Equation 8x - y = 22, Plug in for y
8x - (18 - 2x) = 22
Step Three: Solve for x by isolating it
8x - (18 - 2x) = 22
8x - 18 + 2x = 22
8x + 2x = 22 + 18
10x = 40
x = 4
Step Four: Plug what x equals into your answer for step one and solve
y = 18 - 2x
y = 18 - 2(4)
y = 18 - 8
y = 10
So the solution to the system of equations is x = 40 and y = 10
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bruh please help i’ve been trying to do this for two days and i can’t figure it out :// pls help lol i’m struggling
Answers:
x = 13
y = 24
=========================================================
Explanation:
Refer to the diagram below.
The triangle has interior angles (7x-31), 63, and some unknown angle, which we'll call z. This angle z is congruent to (5x-8) as the angles are alternate interior angles.
Alternate interior angles are congruent when we have parallel lines like this.
So z = 5x-8
Add up the three angles inside the triangle, set the sum equal to 180, and solve for x
(angle1)+(angle2)+(angle3) = 180
(7x-31)+63+(5x-8) = 180
12x+24 = 180
12x = 180-24
12x = 156
x = 156/12
x = 13
--------------------------
The angle z mentioned earlier is adjacent to the (4y+27) angle. These two angles form a straight line. They are considered a linear pair. This means they are supplementary (they add to 180)
z+(4y+27) = 180
(5x-8)+(4y+27) = 180
5x + 4y + 19 = 180
5(13) + 4y + 19 = 180
65 + 4y + 19 + 180
4y + 84 = 180
4y = 180-84
4y = 96
y = 96/4
y = 24
find the measure of the missing angles.
d = ?
e = ?
f = ?
Help please I put a picture
Answer:
Q' is at 0, 1.
J' is at 5, 3.
H' is at 3, 5.
Step-by-step explanation:
Whoopsiedaisy nearly botched it up
1000^m / 100^n writen as 10^z
express z in terms of ^m and ^n
\(1000^m / 100^n\) can writen as \(10^z\) where z = 3m - 2n in terms of ^m and ^n evaluated using exponential law.
1000 can be written as \(10^3\) and 100 as\(10^2\). So it looks like this:
\(1000^m / 100^n = (10^3)^m / (10^2)^n\)
Utilizing the exponential control law (that's, \((a^b)^c = a^(b*c)),\)
A power law may be a numerical expression that depicts the relationship between two factors, where one variable changes exponentially with changes within the other. In particular, the power law can be expressed as
\(y = ax^b\)
where y= dependent variable, x = independent variable, a=constant, and b = power law exponent. This condition implies that the subordinate variable increments (or diminishes) exponentially as the free variable increments.
Control laws are commonly utilized to show marvels in different areas such as material science, science, financial matters, and social sciences. For example, it can represent the relationship between city size and economic activity, population growth over time, or the relationship between earthquake intensity and frequency.
we can simplify this expression to
\((10^3)^m / (10^2)^n = 10^(3m) / 10^(2n) = 10^(3m - 2n)\)
Therefore z = 3m - 2n.
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