Answer:
...
Step-by-step explanation:
in the equation -2 - 6b = 32, the negative coefficient is ____??
Answer:
May be minus
Step-by-step explanation:
minus 2 and minus 6 means minus 8b than we have to find out the value of b so 8into 4 is equal to 32
2483 dividido 9 ayuda plis (help plis)
Answer: 275 \(\frac{8}{9}\)
Step-by-step explanation:
Ajar contains 24 blue marbles, 16 red marbles, and 14 white marbles. Find the simplified ratio
of total marbles to red marbles.
Answer:
Answer: 27:8
Step-by-step explanation:
There are 24 + 16 + 14 = 24+16+14= 54
54 marbles in total.
The ratio of total marbles to red marbles is 54 : 16, which simplifies to 27 : 8.
Answer: 27:8
Find the
15x^2 and 18
Answer:
I couldn't understand your question, please send once more
Answer: GCF = 3
~~~~~~~~~~~~
Hope this helps!
Question content area top
Part 1
Find the length x to the nearest whole number.
43°
22°
507
x
Question content area bottom
Part 1
x≈ enter your response here
(Round to the nearest whole number as needed.)
In the given triangle, the measure of side c is approximately 39 m
Trigonometry: Calculating the measure of side c in the triangleFrom the question, we are to calculate the measure of side c in the given triangle.
To determine the measure of side c, we will use SOH CAH TOA
sin (angle) = Opposite / Hypotenuse
cos (angle) = Adjacent / Hypotenuse
tan (angle) = Opposite / Adjacent
In the given diagram,
Angle = 29°
Opposite = 19 m
Hypotenuse = c
Thus
sin (29°) = 19 / c
0.4848 = 19 / c
c = 19 / 0.4848
c = 39.1914
c ≈ 39 m
Hence,
The measure of c is 39 m
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There are 32 founding members of an organization. The function y 3x + 32 can be used to determine the number of members in the organization
after 3 months.
I need help please.
Answer:
b
Step-by-step explanation:
the bottom two say the same thing twice and the first one forgot the last segment
helppp ill mark u as brainlist
Answer:
Is A or B
Step-by-step explanation:
Its not proportional because of the +30
Answer:
D I believe
Step-by-step explanation:
I think it is D
Angle of depression: A person standing on the top of the Petronas Tower I looks out
across the city and pinpoints her residence. If the angle of depression from the person's
eyes to her home is 5°, how far away (in feet and in miles) is the residence?
the extended fan sub-equation method and its applications for a class of nonlinear evolution equations
The extended fan sub-equation method is a mathematical technique used to solve nonlinear evolution equations.
We have,
The extended fan sub-equation method is a mathematical technique used to solve a class of nonlinear evolution equations.
It extends the traditional fan sub-equation method by introducing additional terms and parameters to enhance its applicability and effectiveness.
The method involves transforming the original nonlinear evolution equation into a set of sub-equations, which are then solved iteratively using various mathematical tools such as symmetry reductions, similarity transformations, and exact solutions.
The extended fan sub-equation method has been successfully applied to various nonlinear evolution equations in mathematical physics, such as the KdV equation, the Burgers equation, and the Fisher equation, providing valuable insights and solutions to these complex systems.
Thus,
The extended fan sub-equation method is a mathematical technique used to solve nonlinear evolution equations.
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Which equation represents a proportional relationship?
y=x+1
y=3x+3
y=4x
y=8+x
Answer:
y=4x
Step-by-step explanation:
All other equations have a y-intercept. When graphed, the y-value will not start at zero; in a proportional relationship, the y-value starts at zero and increases at a rate proportional to the x-value. :)
Complete each step to solve the inequality for x.
Remove the coefficient of "3" to get x by itself. How will
you do this?
-7+ 3x > 14
3x > 21
REMEMBER INVERSE OPERATIONS.
A. subtract 3 from both sides
C. divide both sides by 3
B. add 3 to both sides
D. multiply both sides by 3
The solution to the inequality is x > 7.
To remove the coefficient of "3" and isolate the variable x in the inequality -7 + 3x > 14, we need to perform inverse operations.
Since the coefficient of x is positive 3, we can eliminate it by dividing both sides of the inequality by 3. This ensures that we keep the inequality sign in the same direction.
The correct step to remove the coefficient of 3 and isolate x is:
C. Divide both sides by 3
Dividing both sides of the inequality by 3, we have:
(3x) / 3 > 21 / 3
x > 7
Therefore, the solution to the inequality is x > 7.
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2. Write the sign of the following products:
...8 times
. 99 times.
3. A medical shop owner, gains 3 on selling each face mask and loses 2 on
selling each sanitizer. In a particular week, she sells 50 masks and some
sanitizers, losing 10 in all. How many sanitizers does she sell?
Answer:
2. i) Positive
ii) Same sign as the original number
3. 80
Step-by-step explanation:
2. i) The sign of a number multiplied by itself an even number of times is always positive
Therefore, given that 8 is an even number, the sign of the product is negative
ii) The sign of a negative number multiplied by itself an odd number of times is always negative, while the sign of a negative number multiplied by itself an even number of times is always positive
Given that 99 is an odd number, if the number being multiplied by itself 99 times is negative, the product is negative
However, if the number being multiplied by itself 99 times is positive, the product is positive
Therefore, the product has the same sign as the number
3. The amount gained from the sale of each facemask, x = 3
The amount the shop owner loses on selling each sanitizer, y = 2
The number of mask she sells in a particular week = 50 masks
The amount of lost in the week = 10
The total gain or loss = The amount gained from the sale of facemask - The amount she loses from the sale of sanitizer
The amount gained from the face mask sales, A = 50 × 3 = 150
The total amount gained or lost = -10 = 10 lost
∴ -10 = 150 - The amount she loses from the sale of sanitizer
The amount she loses from the sale of sanitizer, Ts = 150 + 10 = 160
The number of sanitizers she sells, n = Ts/y
∴ n = 160/2 = 80
The number of sanitizers she sells = 80
At what rate of simple interest a certain sum will be doubled in 15 years?
Answer:
6.66 % per year.
Step-by-step explanation:
Hope it help you
Answer:
66 percent per year
Step-by-step explanation:
I hope this will help you
pls add me as brainliest.
an optical inspection system is used to distinguish among different part types. the probability of a correct classifi - cation of any part is 0.98. suppose that three parts are inspected and that the classifi cations are independent. let the random variable x denote the number of parts that are correctly classifi ed. determine the probability mass function of x.
In the given scenario, an optical inspection system is used to classify different part types. The probability of a correct classification for any part is 0.98.
We are interested in determining the probability mass function (PMF) of the random variable x, which represents the number of parts correctly classified. Since the classifications are independent, we can use the binomial distribution to model this situation. The PMF of x is given by the binomial distribution formula: P(x) = C(n, x) * p^x * (1-p)^(n-x), where n is the number of parts inspected, p is the probability of correct classification (0.98), and C(n, x) represents the binomial coefficient.
To determine the probability mass function (PMF) of the random variable x, we use the binomial distribution formula. The binomial distribution is applicable in this case because the classifications of the parts are independent events and have a fixed probability of success (correct classification) for each trial.
The PMF of x, denoted as P(x), represents the probability of obtaining exactly x parts correctly classified out of the total number of inspected parts. It is calculated using the binomial distribution formula:
P(x) = C(n, x) * p^x * (1-p)^(n-x),
where n is the number of parts inspected, p is the probability of correct classification (0.98), C(n, x) is the binomial coefficient, and x takes on values from 0 to n.
The binomial coefficient C(n, x) represents the number of ways to choose x successes from n trials and is calculated as C(n, x) = n! / (x! * (n-x)!), where "!" denotes the factorial function.
By plugging in the given values, we can calculate the PMF for each possible value of x. For example, if three parts are inspected (n = 3), the PMF of x can be calculated for x = 0, 1, 2, and 3 using the formula above.
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On a piece of paper graph y = 2x-4 then determine which answers
matches the graph you drew
The graph shown in the equation y = - 2x - 4 is the graph that corresponds to that equation. The answer is option (B).
What is graph?A data structure called a graph is used to show the mathematical connection between two or more objects. It is made up of nodes and edges, where nodes stand in for individual things and edges for the connections between them. In computer science, graphs are used to solve a variety of issues, including finding the shortest path between two points and figuring out whether a graph contains cycles. In addition, social networks, transportation networks, and many other kinds of networks can all be represented using graphs.
Option B's graph is the one that corresponds to the equation y = - 2x - 4.
The following is how the equation is written in slope-intercept form:
It is -2 degrees.
-4 is the intercept.
This shows that the slope of the graph is negative and that the trend line crosses the y axis at a negative four-degree angle.
The only graph with a negative slope and a -4 intercept is the one for option B.
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Complete question attached below,
Which product is represented by the model below
2(-6x-4)+3 = 3(3x-3)+4
Answer:
x = 0
Step-by-step explanation:
For this problem, we will simply solve the equation by isolating the variable x, to find the value of x.
2(-6x - 4) + 3 = 3(3x - 3) + 4
2*(-6x) + 2*(-4) + 3 = 3*(3x) + 3*(-3) + 4
-12x + -8 + 3 = 9x + -9 + 4
-12x + -5 = 9x + -5
12x + -12x + -5 = 12x + 9x + -5
-5 = 21x + -5
5 + -5 = 21x + -5 + 5
0 = 21x
0 = x
Hence, in this equation, the value of x is 0.
Cheers.
Answer:
x = 0
Step-by-step explanation:
\(2(-6x-4)+3=3(3x-3)+4\\\\-12x-8+3=9x-9+4\\\\-12x-5=9x-5\\\\-12x-5+5=9x-5+5\\\\-12x=9x\\\\-12x-9x=9x-9x\\\\-21x=0\\\\\frac{-21x=0}{21}\\\\ \boxed{x=0}\)
Hope this helps.
a diver begins at sea level and dives down 200 feet he ascends at a steady rate 12 1/3 for 4.5 minutes which of the following numerical expressions represents the final depth of the diver
A. 200 + 12 1/3 (4.5)
B. 200 - 12 1/3 (4.5)
C. -200 + 12 1/3 (4.5)
D. -200 - 12 1/3 (4.5)
The numerical expressions represent the final depth of the diver will be the negative 200 + 12 1/3 (4.5). Then the correct option is C.
What is Algebra?The analysis of mathematical representations is algebra, and the handling of those symbols is logic.
A diver begins at sea level and dives down 200 feet.
He ascends at a steady rate of 12 1/3 for 4.5 minutes.
Then the numerical expressions represents the final depth of the diver will be
Let the negative sign for the downward and the positive sign for upward.
Then we have
⇒ - 200 + 12 1/3 (4.5)
Then the correct option is C.
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I heed a lot of help Guys
Answer: The graph is translated to the left 9 units
Step-by-step explanation:
When the thing is negative it will move to the right it will be positive. When it's negative it will move to the left than it will be negative.
A window measures 33 inches. The scale factor to draw the dimensions of this window in a scale drawing is 1/3. What is the measure in the scale drawing?
\(33 \: inches \times \frac{1}{3} = 11 \: inches\)
The measure in the scale drawing would be 11 inches.
Terell jackson opened a savings account by depositing his $1,050 paycheck his bank pays 12% interest compound a monthly basis he doesn't make any other deposits or withdrawals after three years how much interest will he earn
Answer:
Interest= $516.93
Step-by-step explanation:
Giving the following information:
Initial investment (PV)= $1,200
Number of periods (n)= 12*3= 36 months
Interest rate (i)= 0.12/12 = 0.01 monthly
First, we need to calculate the future value of the investment using the following formula:
FV= PV*(1 + i)^n
FV= 1,200*(1.01^36)
FV= $1,716.93
Now, the interest earned:
Interest= 1,716.93 - 1,200
Interest= $516.93
The SAT is taken by high school students nationwide. In 2021, the mean score in South Carolina was 1036 with a standard deviation of 186. In 2021, North Carolina scores had a mean 1150 with a mean of 181. Samantha, a high school senior in South Carolina, scored 1100 on the SAT. Nick, a high school senior in North Carolina, scored 1200 on the SAT. Who has a better relative score? Why?
North Carolina has better relative score.
What is Standard deviation?
Standard deviation is the measure of dispersed the data is in relation to the mean. Low standard deviation means data are clustered around the mean, and high standard deviation indicates data are more spread out.
Given that;
In 2021,
The mean score in South Carolina = 1036
And, The standard deviation = 186
The mean score in North Carolina = 1150
And, The standard deviation = 181
Now,
Since, The z - score = X - μ / δ
Where, μ is mean and δ is standard deviation.
So, For South Carolina;
The z - score = X - μ / δ
= ( 1100 - 1036 ) / 186
= 64 / 186
= 0.34
And, For North Carolina;
The z - score = X - μ / δ
= (1200 - 1150) / 181
= 50 / 181
= 0.28
Thus, The higher the z - score is the better performer.
So, North Carolina has better relative score.
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Pls help due ASAP
Show workings
Answer:
66 degrees
Step-by-step explanation:
angle M=angle P
so:
15x-18=13x-8
reducing:
2x=10
x=5
angles M & P each are 57 degrees
180-57-57=angle L
66 degrees
Help please thank you!
The sum of twice one number and three times another is 9 . The difference of the numbers is 22 . Find the numbers.
The first number (x) is 15, and the second number (y) is -7.
So, the numbers are 15 and -7.
Let's assume the first number is represented by 'x', and the second number is represented by 'y'.
According to the given information:
1) The sum of twice one number and three times another is 9:
2x + 3y = 9
2) The difference of the numbers is 22:
x - y = 22
To solve this system of equations, we can use the method of substitution or elimination. Let's use the method of substitution:
From equation (2), we can express x in terms of y:
x = y + 22
Now we substitute this expression for x in equation (1):
2(y + 22) + 3y = 9
2y + 44 + 3y = 9
5y + 44 = 9
5y = 9 - 44
5y = -35
y = -35 / 5
y = -7
Now we can substitute the value of y back into equation (2) to find x:
x - (-7) = 22
x + 7 = 22
x = 22 - 7
x = 15
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Colton was given a box of assorted chocolates for his birthday. Each night, Colton treated himself to some chocolates. There were originally 30 chocolates in the box and Colton ate 2 chocolates each night. Write an equation for C,C, in terms of t,t, representing the number of chocolates remaining in the box tt days after Colton's birthday.
Given:
Initial number of chocolates in the box = 30
Colton ate 2 chocolates each night.
To find:
The equation for the number of chocolates remaining in the box t days after Colton's birthday.
Solution:
Let C be the chocolates remaining in the box and t is number of days after Colton's birthday.
Colton ate 2 chocolates each night. It means, the remaining number of chocolates decreased by 2 per day.
Initial number of chocolates in the box is 30 and it decreased by 2 per day. So, the equation for remaining chocolates is
\(C=30-2t\)
Therefore, the required equation is \(C=30-2t\).
Answer:
What the other person said.
:D
Step-by-step explanation:
Hello,
can F distribution ever be symmetric? What if we have df1=df2?
Explanation would be appreciated, thank you!
The F distribution is generally not symmetric; however, there is an exception when the degrees of freedom (df) in both the numerator (df1) and denominator (df2) are equal.
The F distribution is typically skewed to the right, meaning it has a longer tail on the right side. This asymmetry is due to the nature of the distribution and the fact that the values of the F statistic cannot be negative.
However, when the degrees of freedom in both the numerator and denominator are equal (df1 = df2), the F distribution becomes symmetric. This occurs because the variability between the groups (numerator) is equal to the variability within the groups (denominator), resulting in a balanced distribution. In this specific case, the F distribution resembles a symmetric bell-shaped curve.
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A population of 75 foxes in a wildlife preserve triples in size every 13 years. the function y equals 75 times 3 superscript x , where x is the number of 13 -year periods, models the population growth. how many foxes will there be after 39 years?
Answer:
675 Foxes
Step-by-step explanation:
y=75*3x
39/13=3
y=75*3*3
y=75*9
y=675
A taxi company charges $2.00 per ride plus
$0.30 for each of a mile ridden. If a taxi
ride costs $20.00, how many miles long was
the ride?