Answer:
387000000 (Question C)
Step-by-step explanation:
Urgent please help thank you all
is negative 9 an integer
can u slove ASAP please
Answer:
B) 352
Step-by-step explanation:
45% = 0.45
640 x 0.45= 288
288 is how many students walked to school
So to find how many took the bus to school
640- 288= 352
Shari wrote the numbers from 1 to 16 on a card.
Next, she crossed out all the numbers which are factors of 80.
Then, she crossed out all the numbers which are multiples of 3.
How many numbers were not crossed out?
find the inverse of each function
Answer:
c
Step-by-step explanation:
assume base 10
-logy = x
\( \frac{1}{ log(y) } = x\)
log base x y = 5 turns into the format x^ 5 = y
implement that to get c
How to graph this problem
From the graph, the resultant velocity of the person across the river is 5.67 mph.
What the graph of the vector?
The graph of the vector will represent the resultant velocity of the vectors.
To obtain the graph of the person paddling across the river, we will represent the motion of the person perpendicular to the motion of the river's current.
The resultant velocity is calculated as;
R² = 4.3² + 3.7²
R² = 32.18
R = √ (32.18)
R = 5.67 mph
Thus, the resultant velocity of the person across the river is 5.67 mph.
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1. (10 points) Let f(x) = −cos(x). Compute ˆφ = c0π0 + c1π1 where π0 = 1 and π1 = x.
Compute the discrete approximation using
• x0 = π /2 and x1 = (3π)/4 .
• f( π/2 ) = 0 and f( (3π)/4 ) = √ 1 2 .
You may use the XT X|XT Y method or A⃗c = ⃗b method.
2. (10 points) Let f(x) = x 5 . Compute ˆφ = c0π0 + c1π1 for the domain 0 ≤ x ≤ 1. Let π0 = x and π1 = x 2 . • Compute the continuous approximation. • Do not round.
3. (10 points) Suppose you have just finished approximating f(x) = x 3 for 0 ≤ x ≤ α and ended up with φˆ(α, x) = 1 2 α 2x. (a) (8 points) Evaluate E2 (α, x) = ||f − φˆ||2 . (b) (2 points) After you have evaluated ||f − φˆ||2 for α, plug in α = 1 and simplify.
4. (10 points) Reconcile the XT X|XT Y and A| ⃗b methods for the discrete case. More specifically, show that the two are equivalent for n polynomial basis functions (π0, π1, . . . πn−1) and k points.
Topics Covered:
Least square Approximation
Reconcile the XTX|XTY and Ab Methods
evaluate h(x) = 2.3x^3 + 0.01x^2 for x=1 and x=2
Explanation
For the expression
\(h(x)=2.3x^3+0.01x^2\)To find the value of h(x) when x=1
we will put x =1 into the expression
\(\begin{gathered} h(x)=2.3(1)+0.01(1) \\ h(1)=2.3+0.01 \\ h(1)=2.31 \end{gathered}\)When x=2
we put x=2 into the expression
\(\begin{gathered} h(2)=2.3\times(2)^3+0.01\times(2)^2 \\ h(2)=18.4+0.04 \\ h(2)=18.44 \end{gathered}\)Determine whether each ordered pair is a solution of the equation y=2x+6
The equation does not hold true, the ordered pair (3, 10) is not a solution of the equation y = 2x + 6.In this way, we can determine whether an ordered pair is a solution of the given equation or not.
Given the equation y = 2x + 6To determine if an ordered pair is a solution of this equation or not, substitute the values of x and y in the equation. If the equation holds true, then the ordered pair is a solution.
If it is not true, then the ordered pair is not a solution.For example, let's consider the ordered pair (1, 8).
Here, x = 1 and y = 8.Substituting these values in the given equation,
we get: y = 2x + 6 => 8 = 2(1) + 6 => 8 = 8 Since the equation holds true,
the ordered pair (1, 8) is a solution of the equation y = 2x + 6.
Now, let's consider another ordered pair, say (3, 10). Here, x = 3 and y = 10.Substituting these values in the given equation, we get: y = 2x + 6 => 10 = 2(3) + 6 => 10 = 12
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Raghav has to load 2456 cartons of apples equally in 5 trucks. how many cartons will be left unloaded in the end?
Answer:
12,280
Step-by-step explanation:
just do 1456×5 :))
Triangles Q R S and X Y Z are shown. Angles Q S R and X Z Y are right angles. Angles Q R S and X Y Z are congruent. The length of Y Z is 9, the length of X Z is 12, and the length of hypotenuse X Y is 15.
Given △QRS ~ △XYZ, what is the value of tan(Q)?
Three-fifths
Three-fourths
Four-fifths
Answer:three-fourths
Step-by-step explanation:
because my dad said it was right
turn 5/9 into a decimal.
5/9 to a decimal would be .5 repeated
The answer is .5 repeated
Do not put your answer as .5 because .5 is 5/10
A proper answer can be something like "0.5 repeated, 0.5555..., or .5 with a line over the 5"
Helpppp me prettyyyy please I’m confused
Answer:
For every 1 vote cast for Candidate D, there were 4 votes for candidate C.
Step-by-step explanation:
Hope this helps! Have a good day!
Answer:
For every 1 vote cast for Candidate D, there were 4 votes cast for Candidate C.
Please help with this problem. (both attachments are part of the same question)
Answer:
C
Step-by-step explanation:
We are dining the value that is $92 fewer or less than she did on the 7th. On the 7th, she had $48. Subtracting $92, we get $48 - $98 = -$44 = money she had on the 14th. Therefore, the answer is C.
1. A taxi service charges a $ 1.95 flat rate plus $ 0.55 per mile. Jason only has $ 12 to spend on a ride. Which graph best represents the number of miles Jason can afford to travel?
Answer:
B
Step-by-step explanation:
Subtract $1.95 from $12 to account for the flat rate that Jason must pay, then divide that by 0.55, or the per mile charge. The answer, or the highest amount of miles he can go with $12, is 18.27272727. The answer that best represents the number of miles he can go is B because he can go up to 18 miles, including 18 miles, hence the closed circle.
how do I solve this screen shot
Answer:
add me as a friend and give me thanks
Step-by-step explanation:
the answer is A for sure
Please answer ASAP i will brainlist
The second coordinate of the given first coordinate is determined as;
f(0) = 1 and (1) = 0.7.
What is the second coordinate of the given coordinate?
The second coordinate of the given first coordinate is calculated by applying the following method as follows;
The given function;
F(x) = 0.7ˣ
The value of f(0) is calculated as;
f (0) = 0.7⁰ = 1
The value of f(1) is calculated as;.
f (1) = 0.7¹ = 0.7
Thus, the second coordinate of the given first coordinate is determined by applying the appropriate substitute of the function as shown above.
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Solve the equation. -5(-4+2n)=-10(n-2)
Answer:
0 = 0 means that there are infinite solutions.
Step-by-step explanation:
Equation is -5(-4+2n)=-10(n-2)
1. Distribute the -5 and -10
20 -10n = -10n + 20
2. Subtract 20 from one side to the other to get only 1 variable on 1 side.
-10n = -10n
3. divide -10 to separate the variable from the constant.
n = n
This means there are infinite solutions.
5w-15 as equivalent fraction
The required equivalent expression is given as 5(w - 3).
What is the equation?The equation is the relationship between variables and represented as y = ax + b is an example of a polynomial equation.
Here,
An equivalent expression of any expression is given as the simplifying the expression using various operations such as factors.
So,
Given expression,
= 5w - 15
As in the expression 5 is a common term between 5w and 15.
Take 5 commons and put the rest of the expression in the parenthesis.
= 5(w - 3)
Thus, the required expression is 5(w - 3).
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A line segment has end points V (-4,-4) and W (11, 2). What is the x-coordinate of the point that is 2/5 of the way from V to W on this line segment
the x-coordinate of the point that is 2/5 of the way from V to W on this line segment is approximately 8.08.
What is coordinate?A coordinate is a number or set of numbers that specifies the position of a point in a space. Coordinates are used to describe the position of objects in various mathematical systems, including two-dimensional and three-dimensional Euclidean spaces, as well as non-Euclidean spaces like spherical or hyperbolic geometries.
by the question.
The x-coordinate of the point that is 2/5 of the way from V to W can be found by first determining the x-coordinate of the point that is 2/5 of the way from V to W and then using the formula for finding the x-coordinate of a point on a line given its y-coordinate.
To find the point that is 2/5 of the way from V to W, we need to first find the distance between V and W. Using the distance formula:
d =\(\sqrt{11-(-4)^{2} }\) + (2 - \((-4)^{2}\)) = \(\sqrt{225+36}\)= \(\sqrt{261}\)
Then, the distance between V and the point we're looking for is (2/5) * \(\sqrt{261}\), and the distance between the point we're looking for and W is (3/5) * \(\sqrt{261}\).
To find the x-coordinate of the point we're looking for, we can use the formula:
x = (distance from V to point we're looking for)/ (total distance) * x
coordinate of W + (distance from point we're looking for to W)/(total distance) * x-coordinate of V.
Substituting the values, we found:
x = (2/5 *\(\sqrt{261}\))/\(\sqrt{261}\)) * 11 + (3/5 * \(\sqrt{261}\))/\(\sqrt{261}\)) * (-4) = 8.08
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A bag of skittles that you bought contains 20 candies: 7 green,5 orange, 4 red and 3 yellow and only 1 brown.You open the the corner of the package and begin eating them on at a time.
a. What is the probability that your first 2 skittles are yellow?
Answer:
10℅ probability hdhdjrvevjsjsgehehrj
How to find the length of a line segment in a circle?
Additional Topics in Math
Calculator: Not Permitted
Circle Geometry
The semicircle above has a radius of r inches, and chord CD is parallel to the diameter AB. If the length of CD is 2/3 of the length of AB, what is the distance between the chord and the diameter in terms of r?
The semicircle above has a radius of r inches, The distance between the chord and the diameter in terms of r is √5 r/3 inches.
What is chord of Circle ?A chord of a circle can be defined as a line segment connecting any two points on the circumference. It should be noted that the diameter is the longest chord of a circle which passes through the center of the circle.
To find the distance required one can use either the Pythagorean theorem or the trigonometric ratios. Let the semicircle have center O. The diameter AB has length 2r. Because chord CD is 2/3 of the length of the diameter,
CD=2/3(2r) = 4r/3
let the distance between diameter AB and chord CD be x inches. To find x draw a right triangle connecting center O, the midpoint, E of chord CD, and point C . Using Pythagorean theorem here,
r² = x² + (CD/2)²
=> r² = x² + (2r/3)²
=> r² = x² + 4r²/9
=> x² = r² - 4r²/9 = 5r²/9
=> x = √5 r/3
Hence, the distance between the chord and the diameter in terms of r is √5r/3..
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Find the perimeter of the shape. A four sided figure ABCD is shown. A is located at negative 4, 3. B is located at 0, 2. C is located at 2, 4. D is located at 0, negative 3
The perimeter of the shape is approximately 24.47 units.
What is perimeter ?The total distance encircling a two-dimensional form, like a triangle, square, or triangle, is known as its perimeter. It represents the total length of the shape's sides. The area of a rectangle, for instance, can be determined by adding the lengths of its entire sides: P is the rectangle's perimeter, l is its length, and w is its width. P = 2(l + w). The perimeter of the shape is measured in the same unit as its sides, such as centimetres or inches.
To find the perimeter of the four-sided figure ABCD, we need to add up the lengths of all four sides.
We can start by using the distance formula to find the length of each side:
The distance between A(-4, 3) and B(0, 2) is \(\sqrt{} ((0 - (-4))^2 + (2 - 3)^2) = \sqrt(16 + 1) = \sqrt(17).\)
The distance between B(0, 2) and C(2, 4) is\(\sqrt((2 - 0)^2 + (4 - 2)^2) = \sqrt(8).\)
The distance between C(2, 4) and D(0, -3) is \(\sqrt((0 - 2)^2 + (-3 - 4)^2) = \sqrt(52).\)
The distance between D(0, -3) and A(-4, 3) is \(\sqrt((-4 - 0)^2 + (3 - (-3))^2) = \sqrt(100) = 10.\)
Therefore, the perimeter of the four-sided figure ABCD is:
\(\sqrt{17} + \sqrt{8} + \sqrt{52} + 10 =24.47.\)
So the perimeter of the shape is approximately 24.47 units.
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The elevation of a small submarine changes by -3/8 mile after each exploration.After how many explosions will the submarine’s elevation have changed by -1 1/2 miles?
Answer:
Answer is 4
Step-by-step explanation:
No of explosions =
\( \frac{ - 1 \frac{1}{2} }{ \frac{ - 3}{8} } \)
\( = \frac{3}{2} \times \frac{8}{3} \)
\( = 4\)
NEED HELP HELP Jada created the following t-chart when she solved an equation. What is
missing?
Answer:
its distributive
Step-by-step explanation:
because of the equation shown is in distributive form
The outcome of spinning 2 spinners 100 times is shown in the table. How many times would you expect these spinners to land on the same number in 10 spins?
We would expect the spinners to land on the same number approximately 2 times in 10 spins.
Based on the given probabilities, we know that the probability of the red spinner and blue spinner landing on the same number is 21%, and the probability of them landing on different numbers is 79%. We can use this information to calculate the expected number of times the spinners would land on the same number in 10 spins.
If we assume that the probability of the spinners landing on the same number is constant across all 10 spins, then we can model the number of times they land on the same number as a binomial distribution with n=10 (number of trials) and p=0.21 (probability of success).
Using the formula for expected value of a binomial distribution, we can calculate the expected number of times the spinners would land on the same number in 10 spins as:
E(X) = np = 100.21 = 2.1
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Complete question is:
The outcome of spinning 2 spinners 100 times is shown as.
Events Actual outcomes Probability
P(red spinner = blue spinner) 21 21%
P(not red spinner = blue spinner) 79 79%
How many times would you expect these spinners to land on the same number in 10 spins?
Please help will mark Brainly
Translations do not change the slope of the line, so the original line and the transformed line are always a parallel option (B) is correct.
What is a perpendicular line?Lines that intersect at a right angle are named perpendicular lines. Lines that are always the same distance apart from each other are known as parallel lines.
As we know, parallel lines never intersect.
Parallel lines result from changing the y-intercept while keeping the slope constant.
The original line and the transformed line are always parallel since translations do not alter the slope of the line.
Thus, translations do not change the slope of the line, so the original line and the transformed line are always a parallel option (B) is correct.
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determine the maximum and minimum values of the function, at what values of x are they achieved? (without using a derivative)
\(y=\sin^3x-\sin^6x\)
The maximum and minimum values of the function is solved
Given data ,
We can find the maximum and minimum values of the function by taking the derivative of y with respect to x and setting it equal to zero.
y = (sin x)³ - (sin x)⁶
y' = 3(sin x)² cos x - 6(sin x)⁵ cos x
Setting y' equal to zero:
0 = 3(sin x)² cos x - 6(sin x)⁵ cos x
0 = 3(sin x)² cos x (1 - 2(sin x)³)
sin x = 0 or (sin x)³ = 1/2
If sin x = 0, then x = kπ for any integer k.
If (sin x)³ = 1/2, then sin x = (1/2)^(1/3) ≈ 0.866. This occurs when x = π/3 + 2kπ/3 or x = 5π/3 + 2kπ/3 for any integer k.
To determine whether these values correspond to a maximum or minimum, we can use the second derivative test.
y'' = 6(sin x)³ cos² x - 15(sin x)⁴ cos² x - 9(sin x)⁴ cos x + 6(sin x)⁵ cos x
y'' = 3(sin x)³ cos x (4(sin x)² - 5(sin x)² - 3cos x + 2)
For x = kπ, y'' = 3(0)(-3cos(kπ) + 2) = 6 or -6, depending on the parity of k. This means that these points correspond to a maximum or minimum, respectively.
For x = π/3 + 2kπ/3 or x = 5π/3 + 2kπ/3, y'' = 3(1/2)^(5/3) cos x (4(1/2)^(2/3) - 5(1/2)^(1/3) - 3cos x + 2). This expression is positive for x = π/3 + 2kπ/3 and negative for x = 5π/3 + 2kπ/3, which means that the former correspond to a minimum and the latter to a maximum.
Hence , the maximum value of the function is y = 27/64, which occurs at x = 5π/3 + 2kπ/3, and the minimum value is y = -1/64, which occurs at x = π/3 + 2kπ/3
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Answer:
maximum: 0.25minimum: -2Step-by-step explanation:
You want the maximum and minimum values of the function ...
y = sin³(x) -sin⁶(x)
SolutionWhen we substitute sin³(x) = z, we have the quadratic expression ...
y = z -z² . . . . . a quadratic function
Adding and subtracting 1/4, we can put this in vertex form:
y = -(z -1/2)² +1/4
MaximumThis version of the function describes a parabola that opens downward and has a vertex at (z, y) = (1/2, 1/4). The y-value of the vertex represents the maximum value of the function.
The maximum value of y is 1/4.
MinimumThe sine function is a continuous function with a range of [-1, 1]. Then z will be a continuous function of x, with a similar range. We already know that y describes a function of z that is a parabola opening downward with a line of symmetry at z = 1/2. This means the most negative value of y will be found at z = -1 (the value of z farthest from the line of symmetry). That value of y is ...
y = (-1) -(-1)² = -1 -1 = -2
The minimum value of y is -2.
__
Additional comment
The range of y is confirmed by a graphing calculator.
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pls help with this question i cant solve it
The tree is 6 feet tall
sat question I can’t seem to understand fully.
The value of m + n is given as follows:
A. 18.
How to obtain the value of m + n?The exponential expression for this problem is defined as follows:
\((x^5y^6)^{\frac{1}{5}}(x^3y^4}^{\frac{1}{4}}\)
Applying the power of power rule, we have that the exponents are given as follows:
x: 5/5 + 3/4 = 1 + 3/4 = 7/4.y: 6/5 + 4/4 = 6/5 + 1 = 11/5.Then the values of m and n are given as follows:
m = 7, n = 11.
Thus the sum is given as follows:
m + n = 7 + 11 = 18.
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