Answer:
74 , 138
Step-by-step explanation:
12 + 2 = 14
14 + 4 = 18
18 + 8 = 26
26+16 = 42
42+32= 74
74+64 =138
please make my answer as brainelist
A spinner is split into eight wedges numbered 0-7.
Drag the numbers into the correct position to complete the
Venn diagram. Then use the diagram to answer the probability
questions.
The required Venn diagram is given in the picture.
What is the Venn diagram:The graphic representation of the differences and affinity between the two concepts is a Venn diagram.
In order to solve problems based on these sets, we can use a Venn diagram to depict the logical relationship among sets and their contents.
Note: "The set of natural numbers starts from 1, hence '0' is not included in the set of natural numbers."
Here we have
A spinner is split into eight wedges numbered 0-7
The set of numbers = 0, 1, 2, 3, 4, 5, 6 and 7
The set of numbers that is less than 5 = {0, 1, 2, 3, 4 }
The set of numbers that are natural numbers = {0, 1, 2, 3, 4, 5, 6, 7 }
The set number that natural number and less than 5 = {1, 2, 3, 4 }
Hence,
The required Venn diagram is given in the picture.
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[ Complet Question is given in picture ]
find the number of different ways that 570 contestants can win different first, second and third prizes.
184,219,440 ways.
What is contestant?
A participant in a contest or competition is known as a contestant. A contestant is someone who challenges election results.
There are 570 contestants, and any one of them can win the first prize.
One of the remaining 569 people can receive the second prize.
Third may be assigned to any of the remaining 568.
We can accomplish this in 570*569*568 ways
= 184,219,440 ways.
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What is the equation for g(x)g(x)g, left parenthesis, x, right parenthesis ? Choose 1 answer: Choose 1 answer: (Choice A) A g(x)=\left|x+0.2\right|g(x)=∣x+0.2∣g, left parenthesis, x, right parenthesis, equals, open vertical bar, x, plus, 0, point, 2, close vertical bar (Choice B) B g(x)=|x-0.2|g(x)=∣x−0.2∣g, left parenthesis, x, right parenthesis, equals, vertical bar, x, minus, 0, point, 2, vertical bar (Choice C) C g(x)=-0.2|x|g(x)=−0.2∣x∣g, left parenthesis, x, right parenthesis, equals, minus, 0, point, 2, vertical bar, x, vertical bar (Choice D) D g(x)=0.2|x|g(x)=0.2∣x∣
Answer:
How do the graphs of the functions f(x) = ()x and g(x) = ()x compare? The graphs are reflections of each other over the y-axis. The graph of g(x) shows exponential decay, while the graph of f(x) shows exponential growth.
Answer:
C
Step-by-step explanation:
Help: I am stuck on this maths question on quadratics and turning points (image attached).
I have got 2 marks out of 4 but I am unsure how to get the last two marks because I have already got my answer (-2.5) but it does not give me anything.
Here is what I have written:
y intercept = (0,-14)
roots = (2,0), P
0=2^2+2b-14
0=4+2b-14
0=2b-10
2b=10
b=5
y=x^2+5x-14=0
then we have to complete the square
half 5 = 2.5
(x+2.5)^2 = (x+2.5)(x+2.5) = x^2-5x-6.25
find the difference:
-14-(2.5)^2=-20.25
flip the signs
turning point = (-5/2,-81/4)
The x-coordinate of the turning point is -20.25
Answer:
the x- coordinate of the turning point = - 2.5
Step-by-step explanation:
given
x² + bx + c
c is the value of the y- coordinate where the curve crosses the y- axis, so c= - 14
x² + bx - 14
given x = 2 is a root , then equating to zero gives
2² + 2x - 14 = 0
4 + 2x - 14 = 0
- 10 + 2x = 0 ( add 10 to both sides )
2x = 10 ( divide both sides by 2 )
x = 5
then equation is
x² + 5x - 14 = 0 ← in standard form
(x + 7)(x - 2) = 0 ← in factored form
equate each factor to zero and solve for x
x + 7 = 0 ⇒ x = - 7
x - 2 = 0 ⇒ x = 2
the roots are x = - 7, x = 2
the x- coordinate of the vertex is at the midpoint of the roots , that is
x- coordinate of the turning point = (- 7 + 2) ÷ 2 = - 5 ÷ 2 = - 2.5
Given that the curves are formed from quarter circles,
find the area of the shaded region.
Give your answer in terms of π.
Answer:
π. value 27/2 please ithink this is thank for you
help please !!! it's 6th grade math
Answer:
$150
Step-by-step explanation:
$30 x 3 = 90
$20 x 3 = 60
90 + 60 = $150
hope this helps! (:
I need answers NOW!
BRAINLIEST FOR WHO CAN ANSWER!
cuál es el resultado de 1/3 + 5/6?
Answer:
it will be 1 1/6 or 7/6
Step-by-step explanation:
Hope this helped
Extra points!
Help me if y’all can! Thanks so much!!
Anyone know the answer ?
Answer:
74 is the answer
Step-by-step explanation:
64+42=106
180-106=74
hope this helped!
Answer: 74°
42+64=106
180-106=74
I hope this helps :
the different between two possitive nymbers is 48. the lesser number is 1/3 of the greater number. what are the two positive numbers
Let's call the greater number "x" and the lesser number "y". According to the problem, we know that:
x - y = 48 (since the difference between the two numbers is 48)
y = (1/3)x (since the lesser number is one third of the greater number)
Now we can substitute the second equation into the first equation:
x - (1/3)x = 48
Simplifying this equation, we get:
(2/3)x = 48
Multiplying both sides by 3/2, we get:
x = 72
Now that we know x, we can use the second equation to find y:
y = (1/3)x = (1/3)(72) = 24
So the two positive numbers are 72 and 24.
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If 34+ f(x) + x²(f(x))2 = 0 and f(2)= -2, find f'(2). f'(2) = Given that 2g(x) + 7x sin(g(x)) = 28x2 +67x + 40 and g(-5) = 0, find ! (-5) f(-5) = -
The function f'(2) is 32 / 7 and f(-5) = -445.
To find f'(2) for the equation 3^4 + f(x) + x^2(f(x))^2 = 0, we need to differentiate both sides of the equation with respect to x. Since we are evaluating f'(2), we are finding the derivative at x = 2.
Differentiating the equation:
d/dx [3^4 + f(x) + x^2(f(x))^2] = d/dx [0]
0 + f'(x) + 2x(f(x))^2 + x^2(2f(x)f'(x)) = 0
Since we are looking for f'(2), we can substitute x = 2 into the equation:
0 + f'(2) + 2(2)(f(2))^2 + (2)^2(2f(2)f'(2)) = 0
Simplifying the equation using the given information f(2) = -2:
f'(2) + 8(-2)^2 + 4(-2)(f'(2)) = 0
f'(2) + 8(4) - 8(f'(2)) = 0
f'(2) - 8f'(2) + 32 = 0
-7f'(2) + 32 = 0
-7f'(2) = -32
f'(2) = -32 / -7
f'(2) = 32 / 7
Therefore, f'(2) = 32 / 7.
For the second part of the question, we are given the equation 2g(x) + 7x sin(g(x)) = 28x^2 + 67x + 40 and g(-5) = 0. We need to find f(-5).
Since we are given g(-5) = 0, we can substitute x = -5 into the equation:
2g(-5) + 7(-5)sin(g(-5)) = 28(-5)^2 + 67(-5) + 40
0 + (-35)sin(0) = 28(25) - 67(5) + 40
0 + 0 = 700 - 335 + 40
0 = 405 + 40
0 = 445
Therefore, f(-5) = -445.
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A town's annual snowfall is normally distributed with a mean of 50 inches and a standard deviation of 9 inches. In what percentage of years is the snowfall between 32 and 50 inches? a. 95% b.34% c. 47.5% d. 68%
The correct answer is approximately 47.5% (option c).
Based on the given information, the town's annual snowfall is normally distributed with a mean of 50 inches and a standard deviation of 9 inches. To find the percentage of years with snowfall between 32 and 50 inches, we need to calculate the z-scores for both values and use a z-table or calculator.
For 32 inches:
z = (32 - 50) / 9 = -18 / 9 = -2
For 50 inches:
z = (50 - 50) / 9 = 0 / 9 = 0
Using a z-table or calculator, we find the area to the left of z = 0 is 0.5, and the area to the left of z = -2 is approximately 0.0228.
To find the percentage of years with snowfall between 32 and 50 inches, subtract the two areas:
0.5 - 0.0228 = 0.4772
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In the relationship y=3x, if x is reduced by 1/3, how will y change? Responses It will triple.
If x is reduced by 1/3, 3x will be reduced by 1/3 x 3 = 1
Because y = 3x, y will also be reduced by 1.
Larry earned $11 walking his neighbors' dogs on Saturday. He earned some extra money on Sunday doing the same thing. Write an expression with a variable that shows the total amount of money Larry has earned Saturday and Sunday.
Answer:
y= 11+x
Step-by-step explanation:
Given data
Larry earned $11 walking his neighbors' dogs on Saturday
Also, he earned some extra amount say x dollars on Sundays
let the total earnings be y
Therefore the total earnings can be expressed as
y= 11+x
Q: Three planes are flying parallel to one another. The distance between plane 1 and plane 2 is half the distance between plane 2 and plane 3. Plane 2 is flying along the path given by the equation 3x-4y=17. When plane 1 is at the point (4,5), how far (in metres) is plane 2 from plane 3?
*Ik the answer is 10 metres but how do you get the answer?*
Rational numbers are fractions and their opposites. All of these numbers are rational numbers. Show that they are rational by writing them in the form (a)/(b) or (a)/(b).
Answer:
0.2 = 1/5
0.333 = 1/3
-1.000001 = -1 1/1000000
-√4 = -2
3√1000 = 30
√1/9 = 0.11111... = 1/9
i need help with this question
Answer:
726 ft
Step-by-step explanation:
The perimeter is the sum of the 4 sides, that is
x + x + 274 + x + 27 + x + 74 = 3279, that is
4x + 375 = 3279 ( subtract 375 from both sides )
4x = 2904 ( divide both sides by 4 )
x = 726
what is (-54)(6) equal to ?
So what do I do?? Like I can graph but there only one number
Answer:
The fact that there is only one number is okay, just continue the way you usually would.
For example find two points:
when x=0: y=-3(0), y=0
when x=2: y=-3(2), y=-6
(0,0) and (2,-6) are two points on the line. Connect them and extend the line.
what is 1/3 of 540 help
Answer:
180
Step-by-step explanation:
1/3 of 540 is just 540/3 which is equal to 180
Answer: 180.00
Step-by-step explanation:
One third of 540 is simply one third times 540,
One/third x 540
Furthermore, you can convert "one" to "1" and "third" to "3" and then the equation and answer is: 180.00
A significance test about a proportion is conducted using a significance level of 0.05. The sample statistic is 0.12. The p-value is 0.03.
a) If H0 were true, for what probability of a Type I error was the test designed?
b) What conclusion (reject or fail to reject) would you make for this test?
c) If this test resulted in a decision error, what type of error was it?
With a significance test about a proportion is conducted using a significance level of 0.05, sample statistic is 0.12, p-value is 0.03.
a) If H0 were true, the test was designed for a probability of a Type I error of 0.05.
b) Based on the p-value of 0.03, you would reject the null hypothesis.
c) If this test resulted in a decision error, it would be a Type II error.
a) If H0 were true, the test was designed for a probability of a Type I error of 0.05. When conducting a hypothesis test, we set a significance level, often denoted by alpha (α), to control the probability of making a Type I error.
A common value for alpha is 0.05, which means that we are willing to accept a 5% chance of making a Type I error.
b) Based on the p-value of 0.03, which is less than the significance level of 0.05, you would reject the null hypothesis. This means that the sample statistic provides enough evidence to suggest that the population proportion is different from the hypothesized value.
c) If this test resulted in a decision error, it would be a Type II error. A Type II error occurs when you fail to reject a false null hypothesis. In this case, the p-value of 0.03 suggests that the population proportion is different from the hypothesized value, so if the null hypothesis were actually false and you still failed to reject it, it would be a Type II error.
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true or false? john graunt is said to be the first to employ quantitative methods to describe population vital statistics.
Answer:
True
Step-by-step explanation:
The given statement "John Graunt is said to be the first to employ quantitative methods to describe population vital statistics" is true as he was interested in how various factors affected mortality rates and population growth.
Quantitative methods are used to quantify and assess data. These techniques are employed by statisticians and scientists in a variety of fields, including psychology, economics, and public health. Quantitative data can be transformed into statistical analyses to make sense of patterns, patterns, and relationships.
John Graunt was a London haberdasher who lived from 1620 to 1674. He is known as the father of vital statistics, and he was the first to employ quantitative methods to describe population vital statistics.
Graunt was interested in how various factors affected mortality rates and population growth, and he used statistical methods to investigate these issues.
In summary, John Graunt is said to be the first to employ quantitative methods to describe population vital statistics.
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A group of students in college of engineering studied the following subjects: 25% studied mathematics subject 20% studied electronics subject 55% studied Communications subject 10% studied both electronics and communications subjects 1- Draw Venn diagram 2- If a student is randomly selected what is the probability that he studied Communications or electronics or both subjects? 3- If a student is randomly selected what is the probability that he studied mathematics and Communications subjects?
Venn diagram:
The percentage of students that studied mathematics = 25%
The percentage of students that studied electronics = 20%
The percentage of students that studied Communications = 55%
The percentage of students that studied both electronics and Communications subjects = 10%
P(studied Communications or electronics or both subjects)
= P(studied Communications) + P(studied electronics) - P(studied both electronics and Communications subjects)
= 55% + 20% - 10%
= 65%
Therefore, the probability that a student studied Communications or electronics or both subjects is 65%.
P(studied mathematics and Communications subjects)
= P(studied mathematics) × P(studied Communications)
= 25% × 55%
= 13.75%
Therefore, the probability that a student studied mathematics and Communications subjects is 13.75%.
Drawing a Venn diagram, we have 25% studying Mathematics (M), 20% studying Electronics (E), and 55% studying Communications (C).10% studied both Electronics and Communications.
Therefore, the percentages become as follows: M = 25% - 10% = 15% E = 20% - 10% = 10% C = 55%.
Part 2 - To obtain the probability that a student studied Communications or Electronics or both subjects
P(Communication or Electronics) = P(Communication) + P(Electronics) - P(Communication and Electronics) = 55% + 20% - 10% = 65%.
The probability that a student studied Communications or Electronics or both subjects is 65%.
Part 3 -To obtain the probability that a student studied Mathematics and Communications subjects,
P(Mathematics and Communications) = P(Mathematics) * P(Communications) = 25% * 55% = 13.75%.
The probability that a student studied Mathematics and Communications subjects is 13.75%.
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Please help me and I’ll give you five stars and a Thanks
please help with the question asked
Answer:
C, None of the above
Step-by-step explanation:
Step 1: Expand the brackets
-7 - 3(-4e-3)
-7 + 12e + 9
Step 2: Collect like terms
12e + 2
Because the answer is not a or b the answer is 'None of the Above'
Hey there! I'm happy to help!
Let's use the distributive property to undo the parentheses. We multiply the number next to the parentheses by each number inside of the parentheses.
-7+3(-4e-3)
-7-12e-9
We combine like terms.
-16-12e
This means that Answer B is incorrect. Answer A could still be correct though as it could have equal value to -16-12e.
-4(3e+4)
We use distributive property.
-12e-16
We see that these have the same value, so the correct answer is A.
Have a wonderful day! :D
Your house is at point c. a post office is located directly west of your house at point d. let point e represent your school,
which is directly west of the post office. find the distance from your house to your school if cd = 1.7 miles and de = 2.4
miles.
a 3.1 miles
b. 41 miles
c. 4.3 miles
d. 5.1 miles
The distance between your house and school is 4.1 miles.
According to the given question.
Point c represents your house.
Point d represents post office which is directly west to the point c i.e from house.
And point e represents school which is west of the post office.
Also, it is given that the distance between house and post office, cd is 1.7 miles.
And the distance between the post office and school,de is 2.4 miles.
Now, if we see the attached figure we can say that
cd + de = ce
⇒ 1.7miles + 2.4miles = 4.1 miles
Hence, the distance between your house and school is 4.1 miles.
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brainliest to first RIGHT answer what is w?
don't steal my points -_-
croissant shop has plain croissants, cherry croissants, chocolate croissants, almond crois- sants, apple croissants, and broccoli croissants. Assume each type of croissant has infinite supply. How many ways are there to choose a) three dozen croissants. b) two dozen croissants with no more than two broccoli croissants. c) two dozen croissants with at least five chocolate croissants and at least three almond croissants.
There are six kinds of croissants available at a croissant shop which are plain, cherry, chocolate, almond, apple, and broccoli. Let's solve each part of the question one by one.
The number of ways to select r objects out of n different objects is given by C(n, r), where C represents the symbol of combination. \(C(n, r) = (n!)/[r!(n - r)!]\)
To find out how many ways we can choose three dozen croissants, we need to find the number of combinations of 36 croissants taken from six different types.
C(6, 1) = 6 (number of ways to select 1 type of croissant)
C(6, 2) = 15 (number of ways to select 2 types of croissant)
C(6, 3) = 20 (number of ways to select 3 types of croissant)
C(6, 4) = 15 (number of ways to select 4 types of croissant)
C(6, 5) = 6 (number of ways to select 5 types of croissant)
C(6, 6) = 1 (number of ways to select 6 types of croissant)
Therefore, the total number of ways to choose three dozen croissants is 6+15+20+15+6+1 = 63.
No Broccoli Croissant Out of six different types, we have to select 24 croissants taken from five types because we can not select broccoli croissant.
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select the correct answer
which of these mappings is a function
Answer:
B. X
Step-by-step explanation:
the other functions have same x and different y which makes them non existant