Answer:
£6
Step-by-step explanation:
Let the amount Paul gets be p.
Let the amount Malachy gets be m.
Let the amount Gordon gets be g.
Therefore:
p + m + g = 10 __________(1)
Gordon gets twice as much as Malachy, therefore:
g = 2m
Malachy gets 3 times as much as Paul, therefore:
m = 3p ____________(2)
=> g = 2(3p) = 6p _________(3)
Put 2 and 3 in 1:
p + 3p + 6p = 10
10p = 10
p = 10/10 = £1
Putting this value in (3):
g = 6 * 1 = £6
Gordon gets £6.
Solve for x
I need help
The value of x, in the triangle shown is: C. 5.25.
How to Solve for x in Similar Triangle?In the image given, the triangles shown are similar to each other, which means that their corresponding side lengths are proportional to each other.
Therefore, we would have the following proportion:
x / 2 = 16.8 / 6.4
Cross multiply:
6.4 * x = 16.8 * 2
6.4x = 33.6
6.4x/6.4 = 33.6/6.4
x = 5.25
The correct value of x is: C. 5.25.
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Two sides and an angle (SSA) of a triangle are given. Determine whether the given measurements produce one triangle, two triangles, or no triangle at all. Solve each triangle that results a = 10
b = 13.6 A = 33°
From the calculation, all three inequalities are satisfied, which means that the given measurements produce one triangle.
To determine whether the given measurements produce one triangle, two triangles, or no triangle at all, we can use the Law of Sines and the Triangle Inequality Theorem.
Given:
a = 10
b = 13.6
A = 33°
Determine angle B:
Angle B can be found using the equation: B = 180° - A - C, where C is the remaining angle of the triangle.
B = 180° - 33° - C
B = 147° - C
Apply the Law of Sines:
The Law of Sines states that in any triangle, the ratio of the length of a side to the sine of its opposite angle is constant.
a/sin(A) = b/sin(B) = c/sin(C)
We can rearrange the equation to solve for side c:
c = (a * sin(C)) / sin(A)
Substituting the given values:
c = (10 * sin(C)) / sin(33°)
Determine angle C:
We can use the equation: C = arcsin((c * sin(A)) / a)
C = arcsin((c * sin(33°)) / 10)
Apply the Triangle Inequality Theorem:
The Triangle Inequality Theorem states that the sum of the lengths of any two sides of a triangle must be greater than the length of the remaining side.
In this case, we need to check if a + b > c, b + c > a, and c + a > b.
If all three inequalities are satisfied, it means that the measurements produce one triangle. If one of the inequalities is not satisfied, it means no triangle can be formed.
Now, let's perform the calculations:
B = 147° - C (from step 1)
c = (10 * sin(C)) / sin(33°) (from step 2)
C = arcsin((c * sin(33°)) / 10) (from step 3)
Using a calculator, we find that C ≈ 34.65° and c ≈ 6.16.
Now, let's check the Triangle Inequality Theorem:
a + b > c:
10 + 13.6 > 6.16
23.6 > 6.16 (True)
b + c > a:
13.6 + 6.16 > 10
19.76 > 10 (True)
c + a > b:
6.16 + 10 > 13.6
16.16 > 13.6 (True)
All three inequalities are satisfied, which means that the given measurements produce one triangle.
In summary, with the given measurements of a = 10, b = 13.6, and A = 33°, we can determine that one triangle can be formed. The measures of the angles are approximately A = 33°, B ≈ 147° - C, and C ≈ 34.65°, and the lengths of the sides are approximately a = 10, b = 13.6, and c ≈ 6.16.
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-2r-3;r=7 what is the answer to this question?
Answer: -17
Step-by-step explanation:
-2(7)-3=
-14-3=-17
List the values in ascending order: -94%, -8/9, -.925, and -9/10
Answer:
-94%, -.925, -9/10, -8/9
Step-by-step explanation:
-.94, -.8, -.925, -.9
-.94, −0.925, −0.9, -0.8
PLEASE HELP WILL GIVE BRAINLIEST
Answer: The answer is B.
Step-by-step explanation: This is because the x-axis is days, and the y-axis is pounds. The option B states that Winnie eats 5 pounds of dog food in 2 days, while actually the dog eats 2 pounds of dog food in 5 days.
Answer:
Its B!
Step-by-step explanation:
The X axis represents days and the Y axis represents pounds! 5 is the X axis and 2 is the Y axis! So to make the sentence true, it would be (2,5).
Hope this helps, and don't forget to follow!
Below are several lines from the theoretical framework for health and medical care from your notes. For each line, first describe in words what the mathematical expression is saying and then assess whether you think it’s reasonable.
EXAMPLE:
a) y = (, H)
Utility depends on both health (H) and consumption of other goods (besides medical care) (X). This is reasonable – health certainly matters but it’s not the only determining factor of happiness.
b) < 0; HH < 0
c)H >0;H >0
d) H = (m,)
e) m > 0; < 0
f)mm <0
a) The utility depends on both health (H) and consumption of other goods (X).
b) The coefficient is negative, indicating a negative relationship between two variables.
c) Health (H) is greater than zero, suggesting a positive value for health.
d) Health (H) is a function of a variable denoted as 'm'.
e) The variable 'm' is greater than zero and the coefficient is negative.
f) The product of two variables, 'm' and 'm', is negative.
a) The expression in (a) is reasonable as it acknowledges that utility is influenced by both health and consumption of other goods. It recognizes that happiness or satisfaction is derived not only from health but also from other aspects of life.
b) The expression in (b) suggests a negative coefficient and a negative relationship between the variables. This could imply that an increase in one variable leads to a decrease in the other. The reasonableness of this relationship would depend on the specific variables involved and the context of the theoretical framework.
c) The expression in (c) states that health (H) is greater than zero, which is reasonable as health is generally considered a positive attribute that contributes to well-being.
d) The expression in (d) indicates that health (H) is a function of a variable denoted as 'm'. The specific nature of the function or the relationship between 'm' and health is not provided, making it difficult to assess its reasonableness without further information.
e) The expression in (e) states that the variable 'm' is greater than zero and the coefficient is negative. This implies that an increase in 'm' leads to a decrease in some other variable. The reasonableness of this relationship depends on the specific variables involved and the theoretical context.
f) The expression in (f) suggests that the product of two variables, 'm' and 'm', is negative. This implies that either 'm' or 'm' (or both) are negative. The reasonableness of this expression would depend on the meaning and interpretation of the variables involved in the theoretical framework.
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Find the number of connected components in the following graphs.
(d) V (G) = Z×Z. Edges: (a, b) is adjacent to (c, d) if and only if (c−a, d−b) = (4, 2) or (c − a, d − b) = (−4, −2) or (c − a, d − b) = (1, 2) or (c − a, d − b) = (−1, −2).
(e) V (G) = Z×Z. Edges: (a, b) is adjacent to (c, d) if and only if (c−a, d−b) = (5, 2) or (c − a, d − b) = (−5, −2) or (c − a, d − b) = (2, 3) or (c − a, d − b) = (−2, −3).
(f) V (G) = Z×Z. Edges: (a, b) is adjacent to (c, d) if and only if (c−a, d−b) = (7, 2) or (c − a, d − b) = (−7, −2) or (c − a, d − b) = (3, 1) or (c − a, d − b) = (−3, −1).
All three graphs (d), (e), and (f) have infinite connected components.
To determine the number of connected components in the given graphs, we need to analyze the connectivity of the vertices based on the given edge conditions.
(d) V(G) = Z×Z, Edges: (a, b) is adjacent to (c, d) if and only if (c−a, d−b) = (4, 2) or (c − a, d − b) = (−4, −2) or (c − a, d − b) = (1, 2) or (c − a, d − b) = (−1, −2).
This graph has infinite connected components since for any vertex (a, b), there will always be adjacent vertices satisfying the given edge conditions.
(e) V(G) = Z×Z, Edges: (a, b) is adjacent to (c, d) if and only if (c−a, d−b) = (5, 2) or (c − a, d − b) = (−5, −2) or (c − a, d − b) = (2, 3) or (c − a, d − b) = (−2, −3).
Similar to the previous graph, this graph also has infinite connected components since for any vertex (a, b), there will always be adjacent vertices satisfying the given edge conditions.
(f) V(G) = Z×Z, Edges: (a, b) is adjacent to (c, d) if and only if (c−a, d−b) = (7, 2) or (c − a, d − b) = (−7, −2) or (c − a, d − b) = (3, 1) or (c − a, d − b) = (−3, −1).
Similarly, this graph also has infinite connected components since for any vertex (a, b), there will always be adjacent vertices satisfying the given edge conditions.
In summary, all three graphs (d), (e), and (f) have infinite connected components.
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A construction crew has two 100ft. beams with which to form the walls of a tent that needs to be 80ft. high. At what angle do they need to place the beams into the ground in order to form their tent? Round your answer to the nearest tenth of a degree.
A. 14.0 degrees
B. 36.9 degrees
C. 38.7 degrees
D. 53.1 degrees
Can you help me please
Answer:
50.27
Step-by-step explanation:
π-3.14 so...
3.14*r^2
\(area = π {r}^{2} = 3.14 \times {4}^{2} \)
\(area = 3.14 \times 16 = 50.24\)
Done.....♥️♥️♥️♥️♥️
If f(x)=sin^-1(x), then f'(square root(3)/2)=
The evaluated square root is 1, for the given function is\(f (x)= sin^{-1} (x)\)
We can use the chain rule to find f'(x) given function is\(f (x)= sin^{-1} (x)\) . The chain rule states that if f(x) = g(h(x)), then f'(x) = g'(h(x)) * h'(x).
Let us consider that h(x) = square root(3)/2.
Now,\(sin^{-1} (h(x)) = sin^-1(\sqrt{(3)/2} ).\)
So let take sin(60°) = square root(3)/2 .
Then,
\(sin^{-1} (\sqrt{(3)/2)} )\)
= 60°.
Now let us implement the chain rule
f'(√(3)/2) = cos(60°) / \(\sqrt{(1 - (\sqrt{(3)/2} )^2)}\)
f'(√(3)/2) = cos(60°) / √(1/4)
f'√(3)/2) = cos(60°) * 2
f'(√(3)/2) = 1
The evaluated square root is 1, for the given function is\(f (x)= sin^{-1} (x)\)
We can use the chain rule to find f'(x) given function is\(f (x)= sin^{-1} (x)\) . The chain rule states that if f(x) = g(h(x)), then f'(x) = g'(h(x)) * h'(x).
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suppose that y is independent of explanatory variables and it takes on the values -2, -1, 0, 1, 1 with equal probability. does this violate the gauss- markov assumption
the parameters we are estimating using the OLS method must be themselves linear
What are the Gauss Markov assumptions?
Gauss Markov Assumptions
Linearity: the parameters we are estimating using the OLS method must be themselves linear. Random: our data must have been randomly sampled from the population. Non-Collinearity: the regressors being calculated aren't perfectly correlated with each other.
What are the properties of Gauss Markov Theorem?
The Gauss-Markov theorem states that if your linear regression model satisfies the first six classical assumptions, then ordinary least squares (OLS) regression produces unbiased estimates that have the smallest variance of all possible linear estimators.
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Juan is a tennis player who has won 52% of his tennis matches.
What is the probability that he will lose his next tennis match?
48%
2%
52%
50%
The probability that Juan loses his next tennis match is 48%
How to determine the probability that he will lose his next tennis match?From the question, we have the following parameters
The proportion of tennis matches won
p = 52%
This proportion implies that the probability that the player will win his next tennis match
So, we have the following representations
Probability of winning, p = 52%
Express the percentage as decimal
So, we have the following representations
Probability of winning, p = 0.52
The probability of losing the next match is the complement of the probability of winning
This is represented as
Probability of losing = 1 - Probability of winning,
Substitute the known values in the above equation
So, we have the following equation
Probability of losing = 1 - 0.52
Evaluate
Probability of losing = 0.48
Hence, the probability is 0.48 or 48%
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Functions -
If f(n)=3+4(n−1), find f(5)=
Find An Equation Of The Plane That Contains All The Points That Are Equidistant From The Given Points. (-7, 3, 1), (6, -2, 4)
An equation of the plane that contains all the points that are equidistant from (-7, 3, 1) and (6, - 2, 3) is,
⇒ 13x - 11y + 12z = 105
Now, Let (x, y, z) be a point on the plane that contains all the points that are equidistant from (-7, 3, 1) and (6, -2, 4).
Then, the distance from (x, y, z) to (-7, 3, 1) is equal to the distance from (x, y, z) to (6, -2, 4).
Hence, By Using the distance formula, we get:
√[(x - (-7))² + (y - 3)² + (z - 1)²]
= √[(x - 6)² + (y + 2)² + (z - 4)²]
Squaring both sides, we get:
(x - (-7))² + (y - 3)² + (z - 1)²
= (x - 6)² + (y + 2)² + (z - 4)²
Expanding and simplifying, we get:
13x - 11y + 12z = 105
Therefore, an equation of the plane that contains all the points that are equidistant from (-7, 3, 1) and (6, - 2, 3) is,
⇒ 13x - 11y + 12z = 105
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please find the general solution to the differential equations and its initial conditions
find values of C1 and C2 to find the specific solution
y(y) = C1e^-3x + C2e^4x
***y(y) is suppose to be y(x)***
y(0) = 13 and y(0)'= -4
y(t) = C1t⁴ + C2t^-2,
y(1) = 6, y'(1) = 8
To find the general solution to the given differential equation, we start with the equation:
\(\[ y(x) = C1e^{-3x} + C2e^{4x} \]\)
We are given the initial conditions:
\(\[ y(0) = 13 \]\) and \(\[ y'(0) = -4 \]\)
Let's find the values of C1 and C2 using these initial conditions.
Substituting \(\( x = 0 \)\) into the equation \(\( y(x) \)\), we have:
\(\[ y(0) = C1e^{-3 \cdot 0} + C2e^{4 \cdot 0} = C1 + C2 = 13 \]\)
This gives us the first equation: \(\( C1 + C2 = 13 \)\).
Next, we differentiate \(\( y(x) \)\) with respect to \(\( x \)\):
\(\[ y'(x) = -3C1e^{-3x} + 4C2e^{4x} \]\)
Substituting \(\( x = 0 \)\) and \(\( y'(0) = -4 \)\) into the equation, we have:
\(\[ y'(0) = -3\)
\(C1e^{-3 \cdot 0} + 4C2e^{4 \cdot 0} = -3C1 + 4C2 = -4 \]\)
This gives us the second equation: \(\( -3C1 + 4C2 = -4 \)\).
We now have a system of two equations with two unknowns (C1 and C2):
\(\[C1 + C2 &= 13 \\-3C1 + 4C2 &= -4\]\)
Solving this system of equations, we can find the values of C1 and C2.
Multiplying the first equation by 3, we have:
\(\[ 3C1 + 3C2 = 39 \]\)
Adding this equation to the second equation, we \(\[ C2 = 5 \]\) C1:
\(\[ 3C1 + 3C2 + (-3C1 + 4C2) = 39 + (-4) \]\)
Simplifying the equation, we get:
\(\[ 7C2 = 35 \]\)
Dividing both sides by 7, we find:
\(\[ C2 = 5 \]\)
Substituting this value of C2 back into the first equation, we have:
\(\[ C1 + 5 = 13 \]\)
Subtracting 5 from both sides, we find:
\(\[ C1 = 8 \]\)
Therefore, the values of C1 and C2 are C1 = 8 and C2 = 5.
The specific solution to the differential equation is:
\(\[ y(x) = 8e^{-3x} + 5e^{4x} \]\)
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John has $400. He gave one friend 25% and $158.67 to another friend. How much money does John have left
Answer:
$141.33
Step-by-step explanation:
He gave $100 to one fried and 158.67 to another
100+158.67=258.67
Answer:
$141.33
Step-by-step explanation:
25% of 400 is 100
$100 to his friend and $158.67 to the other friend
100+158.67= 258.67 to his friends all together
(His money before)--> $400-$258.67<---(The money he gave)
=$141.33
When four times a number n is decreased by 3 it’s at most 21
Despite their efforts, the shoguns were unable to prevent japan from becoming a colony of a european power. please select the best answer from the choices provided t f
The statement "Despite their efforts, the shoguns were unable to prevent Japan from becoming a colony of a European power" is true.
During the late 19th and early 20th centuries, Japan faced increasing pressure from European powers to open up to foreign trade and influence. Despite the efforts of the shoguns to resist foreign control and maintain their independence, Japan eventually succumbed to colonization by a European power. This marked a significant shift in Japan's political and social landscape, leading to the transformation of its feudal system and the emergence of a centralized imperial government.
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31. Write the linear equation in slope-intercept form that passes
through (6,-9) and (-4,3).
Solve x
1.6x+3=21
2.15(x - 5)=75
Answer:
11.25
77.85
Step-by-step explanation:
1.6x + 3 = 21
use inverse operation (+ = -, x = ÷) by taking 3 to the opposite side and changing it's integer to negative
1.6x = 21 - 3
divide 2 sides by 1.6
1.6x = 18
1.6x/1.6 = 18/1.6
x = 11.25//
2.15(x-5)=75
inverse operation
x= 75 - 2.15 + 5
x= 77.85//
A group of friends went to Starbucks and
ordered 2 muffins and 3 cups of coffee for $22.35.
In the same coffee shop, another group of friends
ordered 4 muffins and 3 cups of coffee for $32.85.
Algebraically determine the price of one muffin and
one cup of coffee.
Answer:
1 muffin is 5.25 and 1 cup of coffee is 3.95
Step-by-step explanation:
32.85 - 22.35 is 10.5. 10.5 divided by 2 is 5.25 that is the cost of 1 muffin. 22.35 - 10.5 is 11.85. 11.85 divided by 3 is 3.95.
Tristan is volunteering at the animal shelter one of his responsibilities is to give each of the 5 dogs their medicine each day if he needs to give each of the dogs at the shelter 4/9 of an ounce of medicine each day how many ounces of medicine does he need per day for all of the dogs
Answer:
2.22
Step-by-step explanation:
4/9 x 5
What is the area of triangle ABC if a = 7, c = 11, and B = 55°?
Round the answer to the nearest hundredth.
The area of the triangle is 31.54 square units
How to determine the area of the triangleFrom the question, we have the following parameters that can be used in our computation:
We have the following values
a = 7 units
c = 11 units
B = 55 degrees
The area of the triangle is calculated using the following area formula
Area = 1/2absin(C)
Substitute the known values in the above equation, so, we have the following representation
Area = 1/2 * 7 * 11 * sin(55 degrees)
Evaluate
Area = 31.54
Hence, the area is 31.54 square units
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Find the 67th term of the following arithmetic sequence.
14, 19, 24, 29,
Answer:
34
Step-by-step explanation:
1 and 2 of sequence are both in 10s
so 67/2 = 33.5
closest to 33.5 = 34 that follows the sequence
What is the slope of (2,8) (0,2) (3,-7)
We have that the equation of a line is:
y = m + bx
where, m is the slope, but to know the slope we have a formula that is:
m = \(\frac{y_{2} - y_{1} }{x_{2} - x_{1} }\)
We have 3 points of the line:
(2,8); (0,2); (3,-7)
When we want to know the slope we need two points and they can be any two points in any order, so we can say we are going to use:
Point 1:
(2,8)
Point 2:
(0,2)
\(y_{1}\) = 8 ; \(y_{2}\) = 2
\(x_{1}\) =2 ; \(x_{2}\) =0
Now we substitute the values in the formula for m:
m = \(\frac{(2-8)}{(0-2)}\)
m = \(\frac{-6}{-2}\)
m = 3
So, the slope is 3.
Use the power-reducing formulas to rewrite the expression in terms of first powers of the cosines of multiple angles.
tan^4(3x)
Using the power-reducing formula, the simplified tangent expression is given as follows:
tan^4(3x) = [3 – 4 cos (6x) + cos (12x)] / [3 + 4 cos (6x) + cos (12x)]
What are power-reducing formulas?Power-reducing formulas are formulas for which the nth power of a trigonometric expression can be written using only trigonometric expressions of power 1.
For the fourth order of the tangent of an angle, the expression is given as follows:
tan^4(u) = [3 – 4 cos (2u) + cos (4u)] / [3 + 4 cos (2u) + cos (4u)]
For this problem, the expression is:
tan^4(3x).
Hence comparing to the standard formula, we have that u = 3x, hence the equivalent expression is given as follows:
tan^4(3x) = [3 – 4 cos (6x) + cos (12x)] / [3 + 4 cos (6x) + cos (12x)]
We just replaced each instance of u in the formula by 3x.
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help fast i need this
Answer:
74
Step-by-step explanation:
answer: 74
explanation: hope it helped
you deposit $5000 in an account that pays 2.25% annual interest. find the balance after 5 years when the interest is compounded quarterly. round your answer to the nearest cent.
The balance after 5 years when the interest is compounded quarterly is $5,593.60
Compound Interest:
Compound interest is the principal plus interest on a loan or deposit, or in other words, principal plus interest. It is the result of reinvesting interest, or adding it to the principal borrowed instead of paying it, or demanding payment from the borrower so that the next installment of interest is principal plus previously accrued interest. Compound interest is the norm in finance and economics.
Lets use the compound interest formula provided to solve this:
P = initial balance
r = interest rate (decimal)
n = number of times compounded annually
t = time
First, change 2.25% into a decimal:
2.25% > 2.25/100 > 0.0225
Since the interest is compounded quarterly, we will use 4 for n. Lets plug in the values now:
\(A = (1+\frac{0.0225}{4} )4(5)\\\)
Or, A = 5593.60
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Help asap for brainlist
must be 2 answers
Answer:
the answer is A and C
Step-by-step explanation:
to be an exponential decay the Y values should decrease as you increase x value, so from the graph, both B and D are increasing Y values, so they are incorrect
the answer is A and C
Find the 50th term of 6,12,18,24
Answer:
300
Step-by-step explanation:
You simply multiply 50 and 6. I hope you have a nice day. :)
Answer:
300 :3
Step-by-step explanation:
6 x 1 = 6
6 x 2 = 12
6 x 3 = 18
6 x 50 = 300