Answer:
This is false because any number divided by 0 is undefined.
A model of Seattle, Washington space Needle is 20 inches tall The actual Space Needle is approximately 600 feet tall a: what does the 1 inch represent in the model? what is the scale? b: what is the scale factor model ?
Answer: 30
Step-by-step explanation: 600/20=30 so each inch on the scale represents 30 feet in real life.
HURRYY!!!
Beginning with Rodney’s first month of high school, his father deposits $5 into Rodney’s savings account. Each month after the first month, his father deposits $2 more than the previous month. The total amount deposited in Rodney’s account after four years can be represented using the expression . How much total money has been deposited?
$2,496
$2,544
$2,640
$2,688
Answer:
A
Step-by-step explanation:
Edge 2021
The sum of the 48 terms will be $2,496. Then the correct option is A.
What is the arithmetic sum of sequence?Let a₁ be the first term, n the number of the terms, and l be the last term of the sequence.
Then the sum of all the terms will be given as,
S = [n (a₁ + l )] / 2
Let a₁ be the first term and d is the common difference between the terms. Then the nth term will be given as
\(\rm a_n = a_1 + (n - 1)d\)
Beginning with Rodney’s first month of high school, his father deposits $5 into Rodney’s savings account.
Each month after the first month, his father deposits $2 more than the previous month.
Then the first term is $5 and the common difference is $2.
The total amount deposited in Rodney’s account after four years can be represented using the expression.
Then the total number of the terms will be
n = 4 x 12
n = 48 months
Then the 48th term of the sequence will be
a₄₈ = 5 + (48 – 1) · 2
a₄₈ = 5 + 47 · 2
a₄₈ = 5 + 94
a₄₈ = 99
Then the sum of the 48 terms will be
S = 48 (5 + 99) / 2
S = 24 × 104
S = $2,496
Then the correct option is A.
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How is 80.106 written in expanded form?
A. (8×10)+(1×110)+(6×1100)
B. (8×10)+(1×110)+(6×11,000)
C. (8×10)+(1×1100)+(6×11,000)
D. (8×10)+(1×1100)+(6×110,000)
\(=59(F−32)\)
The equation above shows how temperature F, measured in degrees Fahrenheit, relates to a temperature C, measured in degrees Celsius. Based on the equation, which of the following must be true?
A temperature increase of 1 degree Fahrenheit is equivalent to a temperature increase of
5
9
degree Celsius.
A temperature increase of 1 degree Celsius is equivalent to a temperature increase of 1.8 degrees Fahrenheit.
A temperature increase of 59
A degree Fahrenheit is equivalent to a temperature increase of 1 degree Celsius.
A) I only
B) II only
C) III only
D) I and II only
Answer:
Think of the equation as an equation for a line y = m x + b where in this case C = 5 9 ( F − 32 ) or C = 5 9 F − 5 9 ( 32 ) You can see the slope of the graph is 5 9 , which means that for an increase of 1 degree Fahrenheit, the increase is 5 9 of 1 degree Celsius. C = 5 9 ( F ) C = 5 9 ( 1 ) = 5 9 Therefore, statement I is true. This is the equivalent to saying that an increase of 1 degree Celsius is equal to an increase of 9 5 degrees Fahrenheit. C = 5 9 ( F ) 1 = 5 9 ( F ) ( F ) = 9 5 Since 9 5 = 1.8, statement II is true. The only answer that has both statement I and statement II as true is D, but if you have time and want to be absolutely thorough, you can also check to see if statement III (an increase of 5 9 degree Fahrenheit is equal to a temperature increase of 1 degree Celsius) is true: C = 5 9 ( F ) C = 5 9 ( 5 9 ) C = 25 81 ( which is ≠ 1 ) An increase of 5 9 degree Fahrenheit leads to an increase of 25 81 , not 1 degree, Celsius, and so Statement III is not true. The final answer is D.
Translate the answer, t2 = a3, into words: the of the orbital period, t, of a planet is equal to the of the average distance, a, of the planet from the sun
According to the Kepler's third law, the squares of the period of a planet's orbit is proportional to the cube of the semimajor axis.
According to Kepler's third law,
t2 = a3
Kepler's third law compares the orbital period and radius of orbit of a planet to those of other planets. This comparison between period and radius being made is that the ratio of the squares of the periods to the cubes of their average distances from the sun is the same for every one of the planets. It provides an accurate description of the period and distance for a planet's orbits about the sun. The square of the period of a planet's orbit is proportional to the cube of its semimajor axis. Kepler's Third Law depends on the total mass of the two bodies involved.
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Answer:
square and cube is the answers
Step-by-step explanation:
Can I get help please
The amount of money that I will have at the end of 20 years would be =$4,480. That is option D
What is compound interest?Compound interest is defined as the interest that is being earned on an account which is based on the rate and the time the investment was made.
The total amount invested (p)= $2,000
The rate of investment (r) = 5%
The time of investment(t)= 12 year
The compound interest warm from that account;
= P×T×R/100.
= 2,000×12×5/100
= 120000/100
= $1200
For the next 8 years with the rate of 8% ;
= 2,000×8×8/100
= 128000/100
= $1280
The total compound interest = $1200+$1280= $2,480
Therefore, the amount of money that I will have at the end of 10 years would be = 2000+2480 = $4,480
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Question 4 of 32 Jacob is a construction worker who earns a yearly income given by the expression 2000x + 3000, where x is the number of hours he works each week. Carlos works with Jacob and earns a yearly income given by the expression 3800x – 40000. A manager predicts that if Carlos and Jacob each work 35 hours, they will earn the same amount of money.
PART A:The number of hours that makes the equation true is
Options: 24, 27, 29,31,34
PART B:Round your answer to the nearest whole number. The manager's prediction is
Options: equal to, less than, greater than
the actual number of hours that Carlos and Jacob need to work to earn the same amount of money.
Answer:
Kindly check explanation
Step-by-step explanation:
Given the expression :
Jacob's yearly income :
2000x + 3000 ; x = number of hours worked per week.
Carlos income :
3800x - 40000
Managers prediction = 35
Jacob.: 2000(35) + 3000 = 73000
Carlos : 3800(35) - 40000 = 93000
Carlos will earn more than Jacob given the manager's prediction.
Number of hours required so they can earn the same amount :
2000x + 3000 = 3800x - 40000
3000 + 40000 = 3800x - 2000x
43000 = 1800x
x = 43000/1800
x = 23.88
x = 24 hours
1. True or False
3 € {1, 2, 3, 4, 5}
True
O False
the anwser for this is true
Answer:
I also think it's true because it mostly made sense to me.
A multiple choice test has 15 questions, and each question has 5 answer choices (exactly one of which is correct). A student taking the test guesses randomly on all questions. Find the probability that the student will actually get at least as many correct answers as she would expect to get with the random guessing approach.
The probability: P(X ≥ E(X)) = 1 - P(X < 0) - P(X < 1) - P(X < 2) - P(X < 3)
To find the probability that the student will get at least as many correct answers as expected with random guessing, we need to calculate the cumulative probability of the binomial distribution.
In this case, the number of trials (n) is 15 (number of questions), and the probability of success (p) is 1/5 since there is only one correct answer out of five choices.
Let's denote X as the random variable representing the number of correct answers. We want to find P(X ≥ E(X)), where E(X) is the expected number of correct answers.
The expected value of a binomial distribution is given by E(X) = n * p. So, in this case, E(X) = 15 * (1/5) = 3.
Now, we can calculate the probability using the binomial distribution formula:
P(X ≥ E(X)) = 1 - P(X < E(X))
Using this formula, we need to calculate the cumulative probability for X = 0, 1, 2, and 3 (since these are the values less than E(X) = 3) and subtract the result from 1.
P(X < 0) = 0
P(X < 1) = C(15,0) * (1/5)^0 * (4/5)^15
P(X < 2) = C(15,1) * (1/5)^1 * (4/5)^14
P(X < 3) = C(15,2) * (1/5)^2 * (4/5)^13
Finally, we can calculate the probability:
P(X ≥ E(X)) = 1 - P(X < 0) - P(X < 1) - P(X < 2) - P(X < 3)
By evaluating this expression, you can find the probability that the student will actually get at least as many correct answers as expected with the random guessing approach.
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Which of these expressions are equivalent to 4x+2(2x−5)−(3−5x) ? Choose the TWO correct answers.
a- 3x−13
b- 13x−13
c- 8x−5−3−5x
d- 8x−10−3−5x
e- 8x−10−3+5x
Answer:
4x+2(2x−5)−(3−5x) = 8x-10-3+5x
Step-by-step explanation:
We need to find the equivalent expression to 4x+2(2x−5)−(3−5x).
Using distributive property as follows :
a(b+c) = ab+ac
4x+2(2x−5)−(3−5x) = 4x+4x-10-3+5x
= 8x-10-3+5x
Option (e)
Hence, the correct option is (e) "8x-10-3+5x"
What is the value of x?
The value of x in the diagram is 9
What is an equilateral triangle?equilateral triangle is a triangle that has all its sides equal in length. Since the three sides are equal therefore the three angles, opposite to the equal sides, are equal in measure. Therefore, it is also called an equiangular triangle, where each angle measure 60 degrees. Just like other types of triangles, an equilateral triangle also has its area, perimeter and height formula
From the diagram all the sides are equal which means it is an equilateral triangle in which each angle is equal to 60°
To find x,
7x -3 = 60
7x = 60 + 3
7x = 63
x = 63/7
x = 9
In conclusion the value of x is 9
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Balena has a garden in the shape of a circle of radius 10 m.
He is going to cover the garden with grass seed to make a lawn.
Grass seed is sold in boxes.
Each box of grass seed will cover 46 m' of garden.
Balena wants to cover all the garden with grass seed.
Work out an estimate for the number of boxes of grass seed Balena needs.
Show your working out.
Answer:
7
Step-by-step explanation:
→ Work out area of circle
π × 10² = 100π = 314.159 (3 decimal places)
→ Divide area of circle by box area
314.159 ÷ 46 = 6.8295
→ Round answer as you can't get a decimal of a box
7
The area of a circle is given as πr².
The number of boxes of grass seeds required to cover the garden is 9 boxes.
What is a circle?A circle is a round-shaped figure that has no corners or edges.
The area of a circle is given as:
Area = πr²
We have,
The radius of the circle = 10 m
Area of the garden:
= πr²
We can take,
π = 22/7 = 3.14
= 3.14 x 10 x 10
= 314 m²
The area of a box of grass seeds:
= 46 m²
The number of boxes of grass seeds to cover the garden area:
= 314 / 46
= 6.8 boxes
Thus,
The number of boxes of grass seeds required to cover the garden is 9 boxes.
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Who can help me out with this I’ll mark brainliest
Answer:
15
Step-by-step explanation:
d=square root of w squared and l = square root of 9 squared and 12 squared = 15
the answer is 15 picture linked below
Anne goes out to lunch every Friday. On average she spends around $18 each time. How much money can she save in one year if she stops going out for lunch each week?
Answer:52x18=936$
Step-by-step explanation:
have a total of 52 weeks in a year, save $18 each week, multiply $18 by the number of weeks in a year and then you get the answer
When solving equations with square roots it is important to
Answer:
make sure the value of x is positive-check the solution to ensure it is a rational number
Step-by-step explanation:
Two cyclists start at the same time from opposite ends of a course that is 45 miles long. One cyclist is riding at 14 mph and the second cyclist is riding at 16 mph. How long after they begin will they meet
If the distance is 45 miles and speed of both cyclist is 14 and 16 miles per hour then they will take time of 1.5 hour to meet.
Given First cyclist is riding at 14 miles per hour and second at 16 miles per hour. The distance is 45 miles.
We know that speed is the distance covered by an object in a particular period of time.
Speed=distance/time.
It is expressed as kilometers per hour or miles per hour, etc.
If both riders are riding towards each other then the speed will be 16+14 =30 miles per hour.
Distance=45 miles.
Time =distance/speed
=45/30
=1.5
Hence if first cyclist is riding at 14 miles per hour and second is riding at 14 miles per hour and the distance is 45 miles then they will meet after 1.5 hours.
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Which of the following sets of ordered pairs can be modeled by a linear equation?
A {(2, 3), (2, 4), (2, 5), (2, 6)}
B {(3, -3), (1, 1), (0, 3), (-1, 5)
C {(-2, 2), (0, 0), (2, 2), (4,8)
Answer:
A[2,3],(2,4),(2,5),(2,6)
Ciphers, such as the enigma machine, that rearrange the sequence of characters based on a fixed rule are known as ______________.
Ciphers, such as the enigma machine, that rearrange the sequence of characters based on a fixed rule are known as substitution cipher.
A type of encryption known as a replacement cypher employs a key to substitute certain plaintext chunks with the ciphertext in a predetermined manner.
Single letters, pairs of letters, triplets of letters, combinations of the aforementioned, etc. are all acceptable "units." The receiver decodes the text using the inverse substitution technique to ascertain what the original message was.
Cyphers for transposition and substitution are similar. In a transposition cypher, the plaintext's units are not changed; instead, they are rearranged in a brand-new, frequently extremely complex pattern. A substitution cypher modifies the units themselves while preserving the order of the units from the plaintext in the ciphertext.
The substitution cypher can take many different shapes. If a cypher only functions with single letters, it is referred to as a simple substitution cypher; a polytrophic cypher, on the other hand, functions with larger groups of letters.
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find |u ⨯ v|. 25 two vectors that begin at the same point are given. the first vector, labeled |u|
The magnitude of the cross product |u ⨯ v| can only be determined when the components or properties of the vectors are known
What is vectors?
"vectors," then to find the magnitude of the cross product |u ⨯ v|, we need information about the vectors |u| and |v|, such as their components or properties. Without those details, we cannot calculate the magnitude of the cross product.
The magnitude of the cross product |u ⨯ v| represents the length or magnitude of the vector resulting from the cross product operation between two vectors, |u| and |v|. The magnitude of the cross product can be calculated using the formula:
|u ⨯ v| = |u| * |v| * sin(θ)
where |u| and |v| are the magnitudes (lengths) of the vectors |u| and |v|, respectively, and θ is the angle between the two vectors.
The cross product of two vectors produces a new vector that is perpendicular (or orthogonal) to both the original vectors. The magnitude of the cross product gives us the length of this resulting vector.
To compute the magnitude, we need information about the magnitudes of the vectors and the angle between them. However, in your question, you have only provided information about the first vector |u|, but no information about the second vector |v| or any additional details. Without knowing the magnitudes or any relevant information about the second vector, we cannot calculate the magnitude of the cross product.
If you provide the magnitudes or any relevant details about the second vector |v|, I can help you calculate the magnitude of the cross product |u ⨯ v| using the formula mentioned above.
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I'll give brainliest.
Answer:
is this algebra
Step-by-step explanation:
Answer:
1.)
A.) The graph does represent a proportional relationship because if you calculate the slope, it's 2/3, which is consistent throughout the line and with the given points.
Slope calculation:
\(\frac{y2-y1}{x2-x1} \\\\\frac{6-4}{9-6} \\\\\frac{2}{3}\)
B.) The coordinate (0,0) represents that no laps have been completed nor has the time started
C.) The coordinate I chose is (6,4). It represents that 4 laps were completed in 6 minutes
2.) The values to represent a proportional relationship because once calculating the slope, which is 13, you can try it with other points. Even though there's some values missing between (6,78) and (10,130), the slope remains the same.
Slope Calculation:
\(\frac{y2-y1}{x2-x1} \\\\\frac{130-39}{10-3} \\\\\frac{91}{7} \\\\\frac{13}{1}\)
3.)
A.) The constant of proportionality is 7/4 or 1.75
B.) y = 7/4x
4.) She'll run 8 miles because since 3/4 of an hour equates to 6 miles and there's 1/4 missing, 2 miles is 1/3 of 6 miles and 1/4 is 1/3 of 3/4 , so 1/4+1/4+1/4 = 3/4. She can run 8 miles (4*2) in 1 hour (4*1/4 hour)
Find the volume of the solid generated by revolving the region bounded by the lines and curves y=x7,y=0,x=16, and x=19 about the x-axis. The volume is
V = 2π * [(1/9)(19²9 - 16²9)] Calculating this expression will give us the volume of the solid generated.
To find the volume of the solid generated by revolving the region bounded by the curves y = x²7, y = 0, x = 16, and x = 19 about the x-axis, we can use the method of cylindrical shells.
The volume of a solid generated by revolving a curve y = f(x) about the x-axis between x = a and x = b is given by the integral:
V = ∫[a,b] 2πx * f(x) dx
In this case, the region is bounded by y = x^7, y = 0, x = 16, and x = 19. The lower limit of integration is 16, and the upper limit is 19.
V = ∫[16,19] 2πx * (x²7) dx
Let's evaluate this integral:
V = 2π ∫[16,19] x²(8) dx
Using the power rule for integration, we can integrate term by term:
V = 2π * [(1/9)x²9] evaluated from 16 to 19
V = 2π * [(1/9)(19²9 - 16²9)]
Calculating this expression will give us the volume of the solid generated.
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Can some help with this problem
Answer:
20 degrees.
Step-by-step explanation:
The interior angles of a triangle add up to 180 degrees. One of them, bottom right, is already shown as 70 degrees. You can find the bottom left angle by subtracting 110, the supplementary angle, from 180 (the number of degrees in a straight line). The top angle, 2x, is equal to 40 degrees. (180-70-70 = 40). 40/2 = x, so x = 20 degrees.
Which statement from "Ain't I a Woman?" is an example of pathos?
Well, children, where there is so much racket there must be something out of kilter.
That man over there says that women need to be helped into carriages, and lifted over ditches, and to have the best place everywhere.
I have borne thirteen children, and seen most all sold off to slavery, and when I cried out with my mother’s grief, none but Jesus heard me!
If my cup won’t hold but a pint, and yours holds a quart, wouldn’t you be mean not to let me have my little half-measure full?
Answer:
The answer is C
Step-by-step explanation:
I just took the test, got it wrong, just so I could answer this, I answered b, but it's c
Answer:
C is the answer :)
Step-by-step explanation:
got it right on the test
. Mr. Jargon, the gold seller, ordered 2500 grams of silver, .80 kilograms of brass, and 1700 grams of copper. How many kilograms of metal did she order in all? _______ kilograms
Answer:
5 kilograms
Step-by-step explanation:
There is a thousand grams in one kilogram so divide the silver and copper by 1,000 to get 1.7 and 2.5 then add them all together.
Could I plz get a crown just two away from leveling up!!
Please help me!!! Thank you so much
Step-by-step explanation:
\(\frac{(x + 2)}{4} = - 2 \\\)
multiply everything by 4
\(x + 2= - 2 \times 4 \\ x + 2 = - 8\)
subtract 2
\(x = - 8 - 2 \\ x = - 10\)
the answer is -10
I will give BRAINLIEST. Could someone answer the question with a short explanation?
Answer:
7=y 6=x m=2
Step-by-step explanation:
(6,7)
Points are always x, y.
Pls somebody help me with this
Answer:
Length of VX = 20 units
Step-by-step explanation:
W is a point on the line segment VX.
Therefore, length of VX = length of VW + length of WX
Given in the question,
VX = 4x
VW = 3x
WX = 5
By substituting these values in the equation,
4x = 3x + 5
4x - 3x = 5
x = 5
Therefore, length of VX = 4x
= 4(5)
= 20 units
Question 6 Next, you select the basic statistics that can help your team better understand the ratings system in your data. Assume the first part of your code is: trimmed_flavors_df %>% You want to use the summarize() and mean() functions to find the mean rating for your data. Add the code chunk that lets you find the mean value for the variable Rating.
Based on the ratings system and the summarize() and mean() functions, the code chunk to add is summarize(mean(Rating)) and the mean rating is 3.185933.
How do you find the mean rating?To find the mean rating, the complete code should be trimmed_flavors_df %>% summarize(mean(Rating)).
This code would allow you to see the mean rating of your data by combining the summarize() and mean() functions such that you can display summary statistics.
Because of the "mean()" function, the statistic that will be displayed is the mean rating which in this case would be 3.185933.
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The segments shown below could form a triangle.
A
с
B
4
9
B
15
A
A. True
B. False
Answer: True.
Step-by-step explanation:
do the math and u will see
No, The segments shown below could not form a triangle.
What is mean by Triangle?A triangle is a three sided polygon, which has three vertices and three angles which has the sum 180 degrees.
Given that;
Three line segment with measure 9 , 4 and 15 are shown.
We know that;
The sum of two sides of a triangle are always greater than the third side,
Here, 9 + 4 = 13 < 15
Hence, The segments shown below could not form a triangle.
Thus, The segments shown below could not form a triangle.
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Please can you help me