Answer:
what? im confused
Step-by-step explanation:
Answer:
A protractor is a tool used to measure angles in degree. There are two basic types of protractors. One that measures 180º (half a circle). One that measures 360º (a full circle).
Identify the metaphors by dragging and dropping each example into the correct category. The sky is a blanket of stars Metaphors Similes The sky is like a blanket stars His words are as sharp as daggers His words are daggers , His words are live daggers
Answer:
the sky is a blanket of stars and his words are daggers are metaphors the rest are similes
Step-by-step explanation:
i did it on edg
Metaphors:
The sky is a blanket of stars
His words are daggers
Similes:
The sky is like a blanket of stars
His words are as sharp as daggers
His words are live daggers
We have,
Metaphors and similes are both figures of speech used to make comparisons between two unrelated things.
They create vivid and imaginative descriptions by equating or likening one thing to another.
Metaphors directly state that one thing is another thing, without using "like" or "as."
They make a direct comparison by asserting that something is something else.
For example, "The sky is a blanket of stars" compares the sky to a blanket of stars, implying that the sky is vast and filled with numerous stars.
Similes, on the other hand, use "like" or "as" to make a comparison between two things.
They highlight similarities by stating that one thing is like or resembles another thing.
For instance, "The sky is like a blanket of stars" implies that the sky shares some characteristics with a blanket of stars, such as its vastness and the sense of being covered.
Thus,
Metaphors:
The sky is a blanket of stars
His words are daggers
Similes:
The sky is like a blanket of stars
His words are as sharp as daggers
His words are live daggers
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Problem 7-28 A student selects his answers on a true/false examination by tossing a coin (so that any particular answer has a .50 probability of being correct). He must answer at least 70% correctly in order to pass. Find his probability of passing when the number of questions is
To find the probability of passing the true/false examination when the number of questions is n, we need to use binomial distribution. We need to plug in the values and calculate the probability of passing for a specific number of questions n
Let X be the number of correct answers the student gets. Since the probability of getting a correct answer is 0.50, we have X ~ Bin(n, 0.50).
To pass the exam, the student must answer at least 70% of the questions correctly. This means that X must be greater than or equal to 0.70n. We can write this as:
P(X >= 0.70n) = 1 - P(X < 0.70n)
Using the binomial distribution formula, we can find the probability of getting less than 0.70n correct answers:
P(X < 0.70n) = ∑(i=0 to 0.70n-1) (n choose i) * 0.50^i * 0.50^(n-i)
We can use a calculator or software to evaluate this sum. For example, if n = 50, we get:
P(X < 0.70n) = P(X < 35) = 0.0738
Therefore, the probability of passing the exam when the number of questions is 50 is:
P(X >= 0.70n) = 1 - P(X < 0.70n) = 1 - 0.0738 = 0.9262
So, the student has a 92.62% chance of passing the exam if there are 50 true/false questions and he answers them by tossing a coin.
To find the probability of passing the true/false examination with a 70% correct answer requirement, we will use the binomial probability formula. The binomial probability formula is:
P(X = k) = C(n, k) * p^k * (1-p)^(n-k)
Where:
- P(X = k) is the probability of getting k correct answers out of n questions
- C(n, k) is the number of combinations of n items taken k at a time
- p is the probability of getting a correct answer (0.50 in this case)
- n is the number of questions
- k is the number of correct answers
Since we need to find the probability of passing when the number of questions is not specified, let's assume there are n questions. To pass the exam, the student must answer at least 70% of the questions correctly. Therefore, k must be greater than or equal to 0.7n.
The probability of passing the exam can be calculated by summing up the probabilities of getting at least 70% correct answers:
P(passing) = sum(P(X = k)) for k = ceil(0.7n) to n
Where ceil() is the ceiling function that rounds up to the nearest integer.
Now we need to plug in the values and calculate the probability of passing for a specific number of questions n. Please provide the number of questions on the examination to get the exact probability of passing.
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If 15 ounces of candy cost $3.75 what is the price per unit
Answer:
$0.25 per ounce
Step-by-step explanation:
3.75 divided by 15 is 0.25
Answer:
0.25 per ounce
Step-by-step explanation:
3.75 divided by 15 is 0.25
T/F: if the slope (b) of ŷ is positive, then the correlation coefficient (r) must also be positive.
True. The correlation coefficient (r) must also be positive, indicating a strong positive linear relationship between the two variables.
The correlation coefficient (r) measures the strength and direction of the linear relationship between two variables. It ranges from -1 to 1, where a value of -1 indicates a perfectly negative linear relationship, a value of 1 indicates a perfectly positive linear relationship, and a value of 0 indicates no linear relationship. If the slope (b) of ŷ is positive, it means that as the independent variable increases, the dependent variable also increases.
In addition to the above explanation, it is important to note that while a positive slope (b) of ŷ indicates a positive linear relationship between two variables, it does not necessarily mean that the correlation coefficient (r) will always be positive. For example, if there is a weak positive linear relationship between two variables, the correlation coefficient (r) may still be positive but not as strong as if there was a strong positive linear relationship. Similarly, there may be situations where the correlation coefficient (r) is positive but the slope (b) of ŷ is not positive, such as in a curvilinear relationship where the relationship between the two variables is not linear.
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The shapes nelow are shaded to show two different fraftions, Are the fractions equivalent? Use the drop down menus to best explain your answerr
Answer:
Yes they are equivalent.
Step-by-step explanation:
They each represent one half.
Simplify (5.1)(5.12)4.
(5.1)6
(5.1)7
(5.1)8
(5.1)9
The simplified expression of (5.1)(5.1^2)^4 is (5.1)^9
How to simplify the expression?The expression is given as:
(5.1)(5.12)4
Rewrite the expression properly as follows:
(5.1)(5.1^2)^4
Rewrite the expression properly as follows:
(5.1)(5.1^2)^4 = (5.1) * (5.1^2)^4
Apply the power law of indices
(5.1)(5.1^2)^4 = (5.1) * (5.1^8)
Apply the power law of indices
(5.1)(5.1^2)^4 = (5.1)^(1 + 8)
Evaluate the sum
(5.1)(5.1^2)^4 = (5.1)^9
Hence, the simplified expression of (5.1)(5.1^2)^4 is (5.1)^9
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A diverse workforce can provide a source of competitive advantage by suggesting goods and services that will allow the company to increase its market by ______.
A diverse workforce can provide a source of competitive advantage by suggesting goods and services that will allow the company to increase its market by catering to a broader customer base.
When an organization embraces diversity and inclusion, it brings together individuals from different backgrounds, cultures, experiences, and perspectives. This diverse pool of employees can offer unique insights and ideas that might otherwise go unnoticed, leading to innovative product development and improved customer experiences.
By having a workforce that represents a wide range of demographics, including race, ethnicity, gender, age, sexual orientation, and more, a company can better understand the needs and preferences of various customer segments. This understanding enables them to develop and market products and services that resonate with a larger audience, ultimately increasing market share and revenue.
A diverse workforce enhances creativity and problem-solving abilities within the organization. Diverse teams bring different ways of thinking and approaching challenges, fostering an environment of innovation and adaptability. This can lead to the development of groundbreaking solutions that meet the evolving demands of an increasingly diverse consumer market.
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I have a bag of stickers that is 6/8 of my sticker collection. I give 4/8 of my entire stick collection to my sister. What fraction of my sticker collection do i have left?
Answer: 2/8
Step-by-step explanation:
Think of it as 6 - 4. We know that 6 - 4 is 2, so the same thing apple is to 6/8 - 4/8. So, you have 2/8!
what is the probability of spinning an a
The required probability of spinning A is 25% as of the given conditions.
What is probability?Probability can be defined as the ratio of favorable outcomes to the total number of events.
Here,
A circle is divided into 8 equal parts,
The percentage of each part is given as,
= 100/8
= 12.5%
Now,
Each section is named after A, B, and C
We have 2A, 3B and 3C
The probability of spinning A is given as,
= 2 / 8
= 1/4
= 0.25 or 25%
Thus, the required probability of spinning A is 25% as of the given conditions.
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ten less than four times a number is 50
the equation is -----the solution is ------
Answer:
2.5
Step-by-step explanation:
50÷4-10
50=(4x)-10
Equation:
(4*n)=50
Solution:
(4*n)-10=50
(4*n)-10-10=50-10
(4*n)=40
4*10=40
n=40
t = 0.007x² +0.003.x
How many objects are required to keep the computer busy for exactly 9
seconds?
Round to the nearest whole object.
PLEASE HELP‼
A biologist measured the length and mass of 20 reptiles. the equation
y = 0.3x - 2 is the line of the best fit for data, where x is the length, in centimeters, and y is the mass in grams.
Based on the equation, what is the approximate length of a reptile that has a mass of 20.5 grams?
a. 62 cm
b. 66 cm
c. 70 cm
d. 75 cm
Please answer quickly!!
D. 75 cm
Step-by-step explanation:
fill in the y with 20.5, so you get 20.5=0.3x-2. Add the 2 to the 20.5 so you get 22.5=0.3x. Divide both by 0.3 to get 75=x.
sorry if it's a bd explanation, hope this helps :)
Answer:
75 cm
Step-by-step explanation:
This is Maps Testing I did it already
A function of x is shown on the coordinate plane. Over which intervals is the function increasing ??
Quickest gets brainlest
Answer:
B
Step-by-step explanation:
The function is increasing anywhere the slope is positive. This corresponds to the intervals -4<x<-2 and 0<x<2. So, answer B is correct.
PLEASE HELP
The local pet store has a fish tank on display at the community
fair. Darren is responsible for draining the tank at the end of the
fair. The pet store manager provides him with this information
from when they drained the tank at the end of the fair last year.
A. How many gallons did the fish tank hold?
B. When will the tank be empty?
The amount of water the fish tank of the local pet store can hold is 175 gallons
The tank will be empty after 7.29 hours
From the table given:
The water in the tank drained at a constant rate. Hence, the amount of water in the tank is inversely proportional to time.We could calculate the drain rate of water per hour ;
Drain rate = change in volume ÷ change in time
Drain rate = (163 - 169) ÷ (1/2 - 1/4) = -6 ÷ 0.25 = - 24 gallons per hour
Amount of water which drains per 0.25 hour = (25 ÷ 4) = 6 gallons
The capacity of the fish tank is the volume of water in the tank at time, t = 0
At t = 0.25 ; volume = 169At t = 0 ; volume = 169 + 6 = 175 gallonsTime when Tank will be empty
Full tank + (drain rate per hour × time) = 0
175 + (-24 × t) = 0
175 - 24t = 0
-24t = - 175
t = 175 ÷ 24
t = 7.29 hours
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Provide the answers for the blank boxes,
Using the Pythagorean theorem, FA = 9.5 feet.
AB = BD = DF = \(\frac{1}{3}\) FA = \(\frac{1}{3}\) (9.5) ≈ 3.2 feet
What is Pythagoras Theorem?Pythagoras theorem states that for a right angled triangle, the square of the hypotenuse is the sum of the squares of base and altitude.
(1) From the figure,
We have a right angled triangle, where FA is the hypotenuse.
Length of base = FG / 2 = 6 / 2 = 3 feet
Length of altitude = 3 feet + 3 feet + 3 feet = 9 feet
Using Pythagoras Theorem,
Hypotenuse = √(base² + Altitude²)
FA = \(\sqrt{3^2+9^2}\) = √90 = √(9×10) = 3√10 = 9.4868 ≈ 9.5 feet
(2) Horizontal lines cut off congruent segments on the vertical transversal.
So they cut off congruent segments on the length FA.
So, AB = BD = DF
(3) Now, AB + BD + DF = FA
Since, AB = BD = DF,
3 DF = FA or DF = FA / 3
So, DF = \(\frac{1}{3}\) FA
(4) We have FA = 9.5 feet.
So, DF = \(\frac{1}{3}\) FA = \(\frac{1}{3}\) × 9.5 = 3.167 ≈ 3.2 feet
Hence the missing parts are found.
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5 points
homer bought 7 pounds of hamburger and got $2 in change from a 20
dollar bill. what was the cost per pound? *
A 18.21
B 2.57
C not enough info
D 14.00
F 6
Other:
Answer:
2.57
Step-by-step explanation:
you do 20-2 to find out how much she spent(18 dollars)
then take that and do price divided by amount(18 divided by 7)
and you get 5.7
The median set is 18 what is the missing number
The missing number in the median set is 6.
We are given that;
Median set=18
Now,
To find the missing number, you need to know the number of elements in the set and their order. The median is the middle value of a set when it is arranged in ascending or descending order. If the set has an odd number of elements, the median is the exact middle value. If the set has an even number of elements, the median is the average of the middle two values.
For example, if the set is {2, 4, 6, 8, 10}, the median is 6 because it is the middle value. If the set is {3, 5, 7, 9}, the median is (5 + 7) / 2 = 6 because it is the average of the middle two values.
Therefore, by median the answer will be 6.
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What is the simplest form of sqrt(a ^ 7) ?
Answer: a^3 sqrt(a)
Step-by-step explanation: just did it :)
A painter charges a flat fee of $100 and $35 per hour (for up to 8 hours), h, that he spends painting. This relationship can be represented by the function f(h)=100+35h where f(h) represents the total amount the painter charges.
Answer:
I don't know
Step-by-step explanation:
But the question you asked i think you have add and stuff
The graph of f(x) and g(x) are shown below
If f(x) = (x + 7)?, which of the following is g(x), based on the translation?
O g(x) = (x + 9)2
O g(x) = (x + 5)2
O g(x) = (x + 7)2 + 2
O g(x) = (x + 7)2 - 2
Answer:
c
Step-by-step explanation:
What is the slope of the lime that passes through the points (-8, 3) and (-8, 2)?
Wiwite your answer im simplest form
two factory plants are making tv panels. yesterday, plant a produced 12,000 panels. three percent of the panels from plant a and 10% of the panels from plant b were defective. how many panels did plant b produce, if the overall percentage of defective panels from the two plants was 6%? numberofpanelsproducedbyplantb:12000
The percentage of defective panels from the two plants was 6% number of panels produced by plant are 6000.
Let x be the quantity of tv panels that the Company B produced. It is said on this object that 10% of those panels are faulty.
The quantity of faulty panels from Company B is consequently identical to 0.020x.With the illustration above, the entire quantity of panels produced with the aid of using the 2 corporations is identical to 12000 + x. The percent of general faulty panels to the entire panels produced may be expressed via the equation, ((12000)(0.02) + 0.010x) / (12000 + x) )(100)= Dividing the equation with the aid of using 100 (240 + 0.010x) / (12000 + x) = 0.06Cross-multiplying the denominator of the left-hand facet to the proper hand facet of the equation,240 + 0.010x = 360 + 0.06xTransposing like terms, 0.02x = 120Dividing the equation with the aid of using 0.02. x = 6000Read more about panel:
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On a train the ratio of children to adults is 7:4 If there are 63 children on the train how many adults are on the train
Answer:
let the number of children and adult be 7x and 4x
as per question
7x=63
x=63/7=9
no. of adult= 4x= 4*9=36
Step-by-step explanation:
Show that ΔxΔH x
⩾ℏ [uncertointy pninciple hold] where, (Δx) 2
=δ⟨x 2
⟩−⟨x⟩ 2
(ΔP x
) 2
=⟨P x
2
⟩−⟨P x
⟩ 2
The Cauchy-Schwarz inequality have shown that ΔxΔP ≥ ℏ/2, confirming the uncertainty principle.
To show that the uncertainty principle holds, we need to demonstrate that \(\Delta x \Delta p > h/2\), where \(\Delta x\) and \(\Delta p\) are the uncertainties in position and momentum, respectively, and ℏ is the reduced Planck constant.
Let's start with the uncertainty in position, \(\Delta x\). It is defined as the square root of the expectation value of x squared, \(\delta x^2\), minus the square of the expectation value of x. Mathematically, this can be written as \(\Delta x^2 = \delta x^2 - x^2\)
Similarly, the uncertainty in momentum,\(\Delta p\), is given as \(\Delta p^2 = p_x_^_2 - p_x^2\)
Now, we want to prove that ΔxΔP ≥ ℏ/2.
Substituting the expressions we have \((\delta x^2- x^2) (p_x - p_x^2 )\)
Expanding the left side of the inequality, we get \(\delta x^2 p_x^2 - \delta x^2 p_x - x^2 p_x^2 + x^2p_x^2 \geq h^2/4 + x^2p_x^2- \delta x^2p_x^2\)
Recognizing that the term in parentheses is equal to \(\Delta p^2\), we have \(\delta x^2 p_x^2 - \delta x^2 p_x - x^2 p_x^2 + x^2p_x^2 \geq h^2/4 + x^2p_x^2\)
Applying the Cauchy-Schwarz inequality, we know that \(x^2 \Delta p^2\geq x^2(h/2)^2\), which can be written as ⟨x⟩(ΔP)^2 ≥ ℏ^2/4.\(x \Delta p^2 \geq h^2/4\)
The left side of the inequality is now greater than or equal to \(h^2/4+h^2/4 = h^2/2\)
Therefore, we have shown that ΔxΔP ≥ ℏ/2, confirming the uncertainty principle.
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What is the vertex of the function x^2+x-5
Answer:
y=(x+1/2)^2-21/4
Step-by-step explanation:
What is the volume of a cylinder, in cubic feet, with a height of 13 feet and a base
diameter of 4 feet? Round to the nearest tenths place.
Answer:
163.3
Step-by-step explanation:
3.14*r^2*h
h=13
4/2 = 2
r=2
2^2 = 4
3.14*4 = 12.56
12.56*13 = 163.28
Rounded = 163.3
I believe the answer is 163.3
Daisy has 14 pairs of gloves. Carla has twice as many pairs of gloves as Daisy. Carla has "twice as four times as many" pairs of gloves as Ellie. How many pairs of gloves does Ellie have?
Answer: 14 x 2 = 24
24 x 4 is 96
Step-by-step explanation:
So if I’m not wrong its 96
Rectangle PQRS is graphed on a coordinate plane with vertices P(–2, 1), Q(–2, 4), R(–4, 4), and S(–4, 1), as shown below.
Rectangle PQRS is reflected over the y–axis and then translated 2 units to the left. What are the coordinates of P'?
(1, 0)
(0, 1)
(4, 1)
(–4, –1)
Answer:
last one (4,1)
Step-by-step explanation:
5x + 2y = 29
8x - y = 51
Simultaneously
Answer:
x=131/21
y=-23/21
Step-by-step explanation:
Given:
5x+2y=29
8x-y=51
Eliminate y variable and solve for x:
5x+2y=29
+ 16x-2y=102
_________
21x=131
x=131/21
Plug x into either original equation and solve for y:
5x+2y=29
5(131/21)+2y=29
655/21+2y=29
655/21+2y=609/21
2y=-46/21
y=-46/42
y=-23/21
What is the best way to study Geometry?
Answer:
diagramming, knowing your properties well, understand and know the angles, and have a good math understanding
Step-by-step explanation:
hope this helps