Answers
The value of the trigonometric function sin A, tan A, and sec A will be 3/5, 3/4, and 5/4.
What is a right-angle triangle?It's a form of a triangle with one 90-degree angle that follows Pythagoras' theorem and can be solved using the trigonometry function.
Use the triangle to evaluate each function.
Hypotenuse AB has a length of 5, BC has a length of 4, and side AC has a length of 3.
Then the value of the trigonometric function will be
sin A = BC / AB
sin A = 3 / 5
tan A = BC / AC
tan A = 3 / 4
sec A = AB / AC
sec A = 5 / 4
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Related Questions
3) a) Prove that the following functions are harmonic and find for each function its harmonic conjugate i 2e* cosy i) x² + 2x - 4² b) Prove: Ifuis harmonic conjugate of vin a domain v and is harmoni
Answers
a)
i) The function is not harmonic.
ii). The function is harmonic.
b) v is also harmonic in D
a) A function is harmonic if it satisfies the Laplace equation:
∂²u/∂x² + ∂²u/∂y² = 0
i) For the function u = x² + 2x - 4², we can take the partial derivatives with respect to x and y:
∂u/∂x = 2x + 2
∂u/∂y = 0
∂²u/∂x² = 2
∂²u/∂y² = 0
Plugging these into the Laplace equation, we get:
2 + 0 = 0
This is not true, so the function is not harmonic.
ii) For the function u = 2e* cos(y), we can take the partial derivatives with respect to x and y:
∂u/∂x = 0
∂u/∂y = -2e* sin(y)
∂²u/∂x² = 0
∂²u/∂y² = -2e* cos(y)
Plugging these into the Laplace equation, we get:
0 + (-2e* cos(y)) = 0
-2e* cos(y) = 0
This is true for all values of y, so the function is harmonic.
The harmonic conjugate of a function u(x,y) is a function v(x,y) such that f(z) = u(x,y) + i*v(x,y) is analytic. To find the harmonic conjugate of u = 2e* cos(y), we can use the Cauchy-Riemann equations:
∂u/∂x = ∂v/∂y
∂u/∂y = -∂v/∂x
Plugging in the partial derivatives of u, we get:
0 = ∂v/∂y
-2e* sin(y) = -∂v/∂x
Integrating both equations with respect to x and y, we get:
v = C₁
v = 2e* cos(y) + C₂
Setting these equal to each other and solving for v, we get:
v = 2e* cos(y) + C
So the harmonic conjugate of u = 2e* cos(y) is v = 2e* cos(y) + C, where C is a constant.
b) If u is the harmonic conjugate of v in a domain D, then f(z) = u(x,y) + i*v(x,y) is analytic in D. This means that f(z) satisfies the Cauchy-Riemann equations:
∂u/∂x = ∂v/∂y
∂u/∂y = -∂v/∂x
If we take the partial derivatives of these equations with respect to x and y, we get:
∂²u/∂x² = ∂²v/∂x∂y
∂²u/∂x∂y = -∂²v/∂x²
∂²u/∂y∂x = -∂²v/∂y²
∂²u/∂y² = ∂²v/∂y∂x
Adding the first and last equations, we get:
∂²u/∂x² + ∂²u/∂y² = ∂²v/∂x∂y + ∂²v/∂y∂x
Since the mixed partial derivatives are equal, this simplifies to:
∂²u/∂x² + ∂²u/∂y² = 0
So u is harmonic in D. Similarly, we can add the second and third equations to get:
∂²v/∂x² + ∂²v/∂y² = 0
So v is also harmonic in D. Therefore, if u is the harmonic conjugate of v in a domain D, then both u and v are harmonic in D.
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PLEASE HELP THIS IS DUE AT 7 Name the coordinates of two points so that the line segment drawn from one to the other will intersect the y-axis.
Answers
The coordinates of the two points that intersect with the y-axis are (2, 3) and (-2, 4)
How to determine the coordinates of the two pointsRepresent the points with P and Q
When a line is drawn from a point to another would intersect with the y-axis, as long as the line is not a vertical lineAlso, the line would intersect with the y-axis if the points are in different quadrants other than vertical quadrantsA vertical line is a line whose endpoints have the same x-coordinate
i.e. (x, y1) and (x, y2)
Using the above as a guide, we have the following:
We can make use of the coordinates (x1, y1) and (x2, y2), where the values of x's and y's are not the same
An instance of these points is (2, 3) and (-2, 4)
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Giving 50 POINTS. Im really struggling please no guesses or wrong answers. thank you! appreciate it
Answers
Look at the picture.
<, > - dotted line
≤, ≥ - solid line
x > a, x ≥ a - to the right of a
x < a, x ≤ a - to the left of a
y > a, y ≥ a - up from a
y < a, y ≤ a - down from a
How many solutions exist for 1/1-x^2=-|3x-2|+5
A. 1
B. 2
C. 3
D. 4
23 POINTS!
Answers
Answer:
4 !!!!
Step-by-step explanation:
f (x) = 1/1-x2 g (x) = -(3 x -2 ) - 5 then the number of solutions if the number of intersections of f(x) and g (x) i drew a graph and there was 4 intersections so thats how i got this answer
I hope i was right
There are two solutions to the equation 1/(1 - x²) = -|3x - 2| + 5.
What is Equation?An equation is a statement that shows that two mathematical expressions are equal to each other. It typically consists of variables, constants, and mathematical operations such as addition, subtraction, multiplication, division, and exponents.
We can start by considering the case where the expression inside the absolute value is non-negative, i.e., 3x - 2 ≥ 0, which implies x ≥ 2/3. In this case, the equation becomes:
1/(1 - x²) = 3x - 2 + 5
1/(1 - x) = 3x + 3
Multiplying both sides by 1 - x², we get:
1 = (3x + 3)(1 - x²)
3x³ + x² - 3x - 2 = 0
This equation has one real root.
The root is approximately x = 0.727.
Next, we consider the case where the expression inside the absolute value is negative, i.e., 3x - 2 < 0, which implies x < 2/3. In this case, the equation becomes:
1/(1 - x²) = -(3x - 2) + 5
Simplifying this equation, we get:
1/(1 - x) = -3x + 3
1 = (-3x + 3)(1 - x²)
3x³ - x² - 3x + 2 = 0
This equation also has one real root, which we can find using the same methods as before. The root is approximately x = -0.727. \
Therefore, there are two solutions to the equation 1/(1 - x²) = -|3x - 2| + 5.
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#4 Write each in terms of secx
a) tan² x
b) tan x
Answers
The secx equivalent of the two expressions are
tan²x = sec²x - 1
tan x =sec x * sin x
What is trigonometric identity?Generally, Equalities that utilize trigonometry functions and are true no matter what the values of the variables that are specified in the equation are what are referred to as trigonometric identities. There are many different trigonometric identities that may be found using the length of a triangle's side as well as the angle of the triangle.
a) Using the identity:
tan²x + 1 = sec²x
We can rearrange it to get:
tan²x = sec²x - 1
Therefore, in terms of secx:
tan²x = sec²x - 1
b) Using the identity:
tan x = sin x / cos x
We can rewrite it in terms of sec x as follows:
tan x = sin x / cos x
= (1/cos x) * sin x
= sec x * sin x
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A book sold 42800 copies in its first month of release. Suppose this represents 7.3 of the number of copies sold to date. How many copies have been sold to date?
Answers
The number of copies sold in total is 586,301
What is percentage?A percentage is a portion of a whole expressed as a number between 0 and 100 rather than as a fraction.
Given that, a book sold 42800 copies in its first month of release, this represents 7.3 of the number of copies sold to date, we need to find the number of the copies have been sold to date,
Let the number of copies sold in total be x,
Using the concept of percentage,
7.3 % of x = 42800
7.3 / 100 of x = 42800
x = 100/7.3 (42800)
x = 586,301
Hence, the number of copies sold in total is 586,301
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NEED HELP DUR TOMORROW!!!!!!!!!!!!!!!!!!!!
If Q has a y-coordinate of -4, what is the x-coordinate?
Answers
Answer:
x-coordinate is 3
Step-by-step explanation:
Q has y-coordinate of -4 => the distance from origin to y-coordinate is 4 units, which is one leg of the right triangle
Pythagorean theorem states that the sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse.
c^2 = a^2 + b^2
with c = 5, a = 4
5^2 = 4^2 + b^2
b^2 = 25 - 16 = 9
b = √9 = 3
so Q has coordinates (3,-4)
Points A and B have coordinates (-5, 16) and (3,12) respectively.
C is the point that lies of the way along AB. Find the coordinates of C.
Answers
the coordinates of point C are approximately (0.56, 17.72)
Step by step Explanation:
To find the coordinates of point C, we need to find its distance from point A as a fraction of the distance between points A and B, and then use that fraction to find the coordinates of C.
Let's call the distance between points A and B "d". We can find the distance using the distance formula:
d = √[(x₂ - x₁)² + (y₂ - y₁)²]
where (x₁, y₁) and (x₂, y₂) are the coordinates of points A and B, respectively. Plugging in the values, we get:
d = √[(3 - (-5))² + (12 - 16)²] = √64 + 16 = √80
Now, let's call the fraction of the distance from A to B that C lies on "f". We know that C is closer to A than to B, so 0 ≤ f ≤ 1. We can find f using the formula:
f = AC/AB
where AC is the distance from A to C. We can use the distance formula again to find AC:
AC = √[(x - (-5))² + (y - 16)²]
where (x, y) are the coordinates of point C. We also know that C is on the line segment AB, so its x-coordinate must satisfy:
(x - (-5))/(3 - (-5)) = f
Simplifying, we get:
(x + 5)/8 = f
Solving for x, we get:
x = 8f - 5
Similarly, we can use the y-coordinate of C to form another equation:
(y - 16)/(12 - 16) = f
Simplifying and solving for y, we get:
y = 4(1 - f) + 16 = 20 - 4f
Now we have expressions for x and y in terms of f. We can substitute these into the expression for AC:
AC = √[(8f - 5 - (-5))² + (20 - 4f - 16)²] = √[64f² - 64f + 100]
Finally, we can plug in our expressions for AC and AB to solve for f:
f = AC/AB = √[64f² - 64f + 100]/√80
Squaring both sides and simplifying, we get a quadratic equation:
64f² - 64f + 100 = 80f²
16f² + 64f - 100 = 0
Dividing both sides by 4 and using the quadratic formula, we get:
f = (-64 ± √(64² - 4(16)(-100))) / 2(16)
f ≈ -0.32 or f ≈ 1.57
Since 0 ≤ f ≤ 1, the valid solution is:
f ≈ 0.57
Now we can use this value to find the coordinates of C:
x = 8f - 5 ≈ 0.56
y = 20 - 4f ≈ 17.72
Therefore, the coordinates of point C are approximately (0.56, 17.72)
29. ΔCDE ~ ΔCBA with ∟CDE ~= ∟B. If CD = 10, DA = 8, and CE = 6, find EB. 30. ΔCDE ~ ΔCBA with ∟CDE ~= ∟B. If CD = 10, CA = 16, and EB = 12, find CE.
Answers
The length of CE is 16 units.
Since ΔCDE ~ ΔCBA, we know that their corresponding sides are proportional. This means that CD/CA = DE/BA = CE/AB. We are given that CD = 10, DA = 8, and CE = 6. We can use the Pythagorean theorem to find CA:
CA^2 = CD^2 + DA^2
CA^2 = 10^2 + 8^2
CA^2 = 100 + 64
CA^2 = 164
CA = √164
Now we can use the proportion CD/CA = DE/BA to find EB:
10/√164 = DE/(8 + EB)
10(8 + EB) = DE√164
80 + 10EB = DE√164
10EB = DE√164 - 80
EB = (DE√164 - 80)/10
We can use the Pythagorean theorem to find DE:
DE^2 = CE^2 + CD^2
DE^2 = 6^2 + 10^2
DE^2 = 36 + 100
DE^2 = 136
DE = √136
Now we can plug DE back into the equation for EB:
EB = (√136√164 - 80)/10
EB = (12√164 - 80)/10
EB = 1.2√164 - 8
EB ≈ 4.26
So the length of EB is approximately 4.26 units.
30. Since ΔCDE ~ ΔCBA, we know that their corresponding sides are proportional. This means that CD/CA = DE/BA = CE/AB. We are given that CD = 10, CA = 16, and EB = 12. We can use the proportion CD/CA = DE/BA to find DE:
10/16 = DE/(8 + 12)
10/16 = DE/20
DE = 20(10/16)
DE = 12.5
Now we can use the Pythagorean theorem to find CE:
CE^2 = CD^2 + DE^2
CE^2 = 10^2 + 12.5^2
CE^2 = 100 + 156.25
CE^2 = 256.25
CE = √256.25
CE = 16
So the length of CE is 16 units.
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Felipe makes a bracelet with 30 beads. The table shows the number of beads of
each color on the bracelet. Write 3 ratios to represent the number of beads (part-
part, part-part, and part-whole)
Answers
Other fractions could represent the part of the beads on the bracelet that will be green are : 1/3, 2/6, 3/9, 4/12.
What is fraction?A fraction represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction describes how many parts of a certain size there are, for example, one-half, eight-fifths, three-quarters.
here, we have,
The maximum number of beads the bracelet can have = 12 beads
The fraction of green beads in the bracelet = 1/3
⇒ 1 bead in every 3 bead is GREEN.
⇒The minimum number of total beads = Number of (green+ Other) bead = 2 + 1 = 3
Now, the possible number of total beads the bracelet can have is
3, 4, 5 , 6, 7, 8, 9 ,10, 11 and 12.
If there are total 3 beads, the fraction representing the green bead = 1/3
If there are total 6( =3 +3) beads, the fraction representing the green bead
= 1 green bead in first 3 beads + 1 green bead in next 3 beads
= 2 green beads in total 6 beads
= 2/6
If there are total 9( = 3 +3 +3) beads, the fraction representing the green bead = 3/9
If there are total 12( = 3 + 3 +3 +3) beads, the fraction representing the green bead = 4/12
Hence, other fractions could represent the part of the beads on the bracelet that will be green are :1/3, 2/6, 3/9, 4/12.
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i need assistance i am slow in the head
Answers
Answer:
Step-by-step explanation:
31 degreese
add 59 with 90 you get 149 then you subtract 149 with 180 a
nd then get 31
If X ~ Exp^) with 1 2.0. Then Markov's inequality says that P(X > 1) < a where a is (choose the closest): (A) 1.0 (B) 0.25 (C) 0.5 (D) Can't tell. Not enough info. (E) 0.75
Answers
The probability that X is greater than 1 is less than or equal to 0.5, making the correct answer (C) 0.5.
Markov's inequality states that for a non-negative random variable X and a positive number a, the probability that X is greater than a is less than or equal to the expected value of X divided by a. In mathematical terms, this can be written as:
P(X > a) ≤ E(X) / a
In this case, X follows an exponential distribution with a mean of 1/2.0, or 0.5. Therefore, the expected value of X is 0.5. If we plug in the values for X and an into Markov's inequality, we get:
P(X > 1) ≤ 0.5 / 1
P(X > 1) ≤ 0.5
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7x - 4y = -8
X + 2y = -14
Answers
Step-by-step explanation:
First of all sorry for the bad hand writing
so rn I'm using elimination method which I try to eliminate y by multiple number 2 equation with 2
in order to find x
I know my explanation is quite confusing but any way goodluck n hope u understand
Pippin has a 32-ounce sports drink. She drinks 20 ounces.
Enter the percentage of ounces Pippin has left of her sports drink. HELP PLSS
THIS IS DUE TONIGHT AND IT COUNTS TOWARDS MY GRADE
Answers
Pippin has 37.5% of her sports drink left.
What is Percentage?
Percentage can be calculated by dividing the value by the total value, and then multiplying the result by 100. Percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%".
Pippin has 32 - 20 = 12 ounces of sports drink left.
To find the percentage of ounces Pippin has left, you need to divide the number of ounces left by the original amount of sports drink (32) and then multiply by 100 to get the percentage:
(12/32) x 100 = 37.5%
Therefore, Pippin has 37.5% of her sports drink left.
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Rectangle
�
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ABCDA, B, C, D is graphed in the coordinate plane. The following are the vertices of the rectangle:
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(
5
,
1
)
,
A(5,1),A, left parenthesis, 5, comma, 1, right parenthesis, comma
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(
7
,
1
)
B(7,1)B, left parenthesis, 7, comma, 1, right parenthesis,
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(
7
,
6
)
C(7,6)C, left parenthesis, 7, comma, 6, right parenthesis, and
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(
5
,
6
)
D(5,6)D, left parenthesis, 5, comma, 6, right parenthesis.
What is the perimeter of rectangle
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ABCDA, B, C, D?
units
Answers
The perimeter of this rectangle is equal to 14 units.
How to calculate the perimeter of a rectangle?Mathematically, the perimeter of a rectangle can be calculated by using this mathematical expression;
P = 2(L + W)
Where:
P represents the perimeter of a rectangle.L represents the length of a rectangle.W represents the width of a rectangle.For the width, we would determine the distance between the vertices (5, 6) and (5, 1)
Distance = √[(x₂ - x₁)² + (y₂ - y₁)²]
Distance = √[(5 - 5)² + (1 - 6)²]
Distance = √[(0² + (-5)²]
Distance = √25
Distance = 5 units.
For the length, we have:
Distance = √[(7 - 5)² + (6 - 6)²]
Distance = √[(2² + 0²]
Distance = √4
Length = 2 units.
Perimeter of this rectangle, P = 2(5 + 2)
Perimeter of this rectangle, P = 14 units.
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Complete Question:
Rectangle ABCD is graphed in the coordinate plane. The following are the vertices of the rectangle: A(5,1). B(7,1), C(7,6), and D(5,6). What is the perimeter of rectangle ABCD?
Let a, b, c, and d be constants. Describe the possible solution sets of the inequality ax + b < cx + d.
Answers
The requried, possible solution sets of the inequality ax + b < cx + d is x < (d - b)/(a-c).
What is inequality?Inequality can be defined as the relation of the equation containing the symbol of ( ≤, ≥, <, >) instead of the equal sign in an equation.
Here,
To describe the possible solution sets of the inequality ax + b < cx + d, we need to isolate the variable x on one side of the inequality and simplify.
ax + b < cx + d
ax - cx < d - b
x(a-c) < d - b
x < (d - b)/(a-c)
So the solution set for the inequality is all values of x that are less than the quotient of (d - b) divided by (a-c).
Therefore, the possible solution sets of the inequality ax + b < cx + d is x < (d - b)/(a-c).
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An animal reserve is home to 8 meerkats. It costs the reserve $1.50 per day to feed each meerkat. Write an equation with two variables that can be used to determine the total cost of feeding the reserve's meerkats for any number of days.
Answers
Answer: Okay, so it's $8 per day to feed all of them. So one way you could answer it could be to say; "It costs $8 per day to feed all of the meerkats,..." then pick a number of days to multiply $8 by.
I hope this helps some!
Using the slope formula, find the slope of the line through the given points.
(2,9) and (4,5)
What is the slope of the line? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
OA. The slope of the line is
OB. The slope of the line is undefined.
(Type an integer or a simplified fraction.)
Answers
use the slope formula
5 - 9/4-2 = -4/2 = -2
slope = -2
Titanium-44 has a half life of 63 years. How much of a 10g sample will
be left after 50 years?
Answers
A 10gm sample of Titanium-44 will have 6.06 grams of mass left after 50 years.
What is the formula for exponential growth and exponential decaying function?The formula for exponential growth is [tex]y = y_0e^{(kt)}.[/tex]
The formula for exponential decay is [tex]y = y_0e^{(-kt)}.[/tex]
From the information, Titanium-44 has a half-life of 63 years we can model,
[tex]5 = 10.e^{63k}.[/tex]
[tex]0.5 = e^{63k}.[/tex]
[tex]63k = ln0.5.[/tex]
63k = - 0.69.
k = - 0.01.
Therefore, The amount of mass left after 50 years is,
[tex]y_{50} = 10.e^{-0.01\times50}.[/tex]
[tex]y_{50} = 6.06[/tex] grams.
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Big ideas 7.5 question
Answers
The value of the line segment AB of the trapezoid ABCD will be 25.9 units.
What is a trapezoid?It is a polygon that has four sides. The sum of the internal angle is 360 degrees. In a trapezoid, one pair of opposite sides are parallel.
The sum of the parallel sides of the trapezoid is equal to twice the line segment that divides the other two sides in the ratio of 1: 1.
Then the equation is given as,
MN = (AB + CD) / 2
18.7 = (AB + 11.5) / 2
37.4 = AB + 11.5
AB = 25.9 units
The value of the line segment AB of the trapezoid ABCD will be 25.9 units.
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Alexia took out a 12-year loan for $72,000 to renovate her home. If her monthly payments are $680, what is the interest rate?
Answers
Answer:
Finding the total accrued amount is necessary before we can determine the interest rate.
Simply multiplying the monthly payment by the number of months in a 12-year period will give us the accrued amount.
144 months in 12 years.
$680 x Monthly Payment
A = 680 * 144
A = $97920
We can use the following formula now that we know the total accrued sum:
A= 97920
P = 72000
t= 12
Let's replace them with our values now.
The percentage value is then obtained by multiplying the r value by 100.
0.03 x 100 = 3%
The interest rate for Alexia is 3%.
ins all the integers from -7 through 4 , inclusive. Set Q contains the absolute values of all the numbers in Set P. numbers are in the intersection of sets P and Q ?
Answers
The numbers in the intersection of sets P and Q are 0, 1, 2, 3, and 4.
The integers in Set P are {-7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4}.
The absolute values of these integers are {7, 6, 5, 4, 3, 2, 1, 0, 1, 2, 3, 4}, which make up Set Q. The intersection of Set P and Set Q are the integers that are in both sets, which are {0, 1, 2, 3, 4}.
Therefore, the numbers in the intersection of sets P and Q are 0, 1, 2, 3, and 4.
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Using remainder theorem, find the value of k if on dividing 2x3+3x2−kx+5 by x−2, leaves a remainder 7
Answers
The value of k is 13.
Using the remainder theorem, we can find the value of k by substituting the value of x in the given polynomial equation with the value that makes the divisor equal to zero. In this case, the divisor is x-2, so the value of x that makes it equal to zero is x=2.
Substituting x=2 into the polynomial equation, we get:
2(2)^3 + 3(2)^2 - k(2) + 5 = 7
Simplifying the equation, we get:
16 + 12 - 2k + 5 = 7
33 - 2k = 7
-2k = -26
k = 13
Therefore, the value of k is 13.
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I’m not sure how to do question 5.
Answers
Question Number 5.
The first and second numbers in the exponential sequence are 10 and 5, respectively.
How do we solve this?In the exponential sequence given by a, b, c, d, ..., where a and b are the first two numbers. We know that the third number is given by b * c/a, and the fourth number is given by c * d/b.
the third number = 100
the fourth number = 500,
So b * c/a = 100
c * d/b = 500
rearranging the first equation :
c = 100a/b
Substituting this into the second equation, we then have
d = 500b/a
The sequence is then written as a, b, 100a/b, 500b/a, ...
We then proceed to find a and b,
a, b, 100a/b, 500b/a, ...
a, b, 100a/b, 500b/a, ... = a, b, 100a/b, 500b/a, ...
100a/b = 100
500b/a = 500
Solving for a and b, we have:
a = 10
b = 5
In conclusion, the first and second numbers in the exponential sequence are 10 and 5.
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Knowledge Check Question 13 Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator. 3.5cm:1.4cm
Answers
The ratio 3.5cm:1.4cm can be written as the fraction 5/2 in simplest form, with whole numbers in the numerator and denominator.
To write the ratio as a fraction in simplest form, we will follow the steps below:
Step 1: Write the ratio as a fraction. In this case, we have 3.5cm:1.4cm, which can be written as 3.5cm/1.4cm.
Step 2: Simplify the fraction by dividing both the numerator and denominator by the greatest common factor (GCF). In this case, the GCF of 3.5 and 1.4 is 0.7. So we will divide both the numerator and denominator by 0.7 to get:
(3.5cm/0.7) / (1.4cm/0.7) = 5/2
Step 3: Convert the fraction to simplest form with whole numbers in the numerator and denominator. In this case, we can multiply both the numerator and denominator by 10 to get:
(5*10)/(2*10) = 50/20
Step 4: Simplify the fraction by dividing both the numerator and denominator by the GCF. In this case, the GCF of 50 and 20 is 10. So we will divide both the numerator and denominator by 10 to get:
(50/10)/(20/10) = 5/2
Therefore, the ratio 3.5cm:1.4cm can be written as the fraction 5/2 in simplest form, with whole numbers in the numerator and denominator.
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A random sample of 100 soft drink consumers tasted an unmarked cup of pepsi and an unmarked cup of coke. Fifty-nine out of the 100 consumers stated that they prefer pepsi over coke.
Answers
A majority of the consumers in the sample prefer pepsi over coke.
Based on the given information, a random sample of 100 soft drink consumers tasted an unmarked cup of pepsi and an unmarked cup of coke. Fifty-nine out of the 100 consumers stated that they prefer pepsi over coke.
This means that the majority of the consumers in the sample, or 59%, preferred pepsi over coke. It is important to note that this is only a sample of consumers and may not necessarily reflect the preferences of the entire population of soft drink consumers. However, it does provide some insight into the preferences of a portion of the population.
In conclusion, the results of the taste test indicate that a majority of the consumers in the sample prefer pepsi over coke.
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Order from greatest to least
Answers
Answer:
15, 3, -1, -12
Step-by-step explanation:
15, 3, -1, -12
Answer:
First answer (15, 3, -1, -12)
Step-by-step explanation:
ez
The circumference of a circle is 94.2 millimeters. What is the circle's diameter?
Use 3.14 for л.
Answers
Answer: 30 millimeters
Step-by-step explanation:
Diameter = Circumference / π
Plug in values:
d = 94.2 / 3.14
d = 30
The diameter is 30 millimeters.
Can someone solve this ??
I need help ASAP
Answers
Answer:
1. 2430 feet
2. 1.8 m/s^2
Step-by-step explanation:
See the attached worksheet.
A time versus speed graph contains a small treasure of mathematical rewards. The area under the graph is equal to the distance travelled. The slope of the line segments represents acceleration.
For total distance: If we break the graph into three sections (2 triangles and a rectangle) we can calculate the areas for each. Each area is the distance travelled for that segment. As shown on the workseet, the total area is 2430 miles, the distance travelled by the train for this question.
The slope of the line in the first 10 seconds is 1.8 meters/sec^2, the acceleration of the train over that period.
Data was collected on the weight, in ounces, of kittens for the first three months after birth. A line of fit was drawn through the scatter plot and had the equation w = 2.75 + 0.2d, where w is the weight of the kitten in ounces and d is the age of the kitten in days.
What is the w-intercept of the line of fit and its meaning in terms of the scenario?
0.2; a kitten who is just born is predicted to weigh 0.2 ounces
0.2; for each additional day after the kitten is born, its weight is predicted to increase by 0.2 ounces
2.75; a kitten who is just born is predicted to weigh 2.75 ounces
2.75; for each additional day after the kitten is born, its weight is predicted to increase by 2.75 ounces
Answers
2.75; a kitten who is just born is predicted to weigh 2.75 ounces.
What is Statistics?
Statistics is a branch of mathematics that involves collecting, analyzing, interpreting, presenting, and organizing data. It enables the identification of trends, patterns, and relationships within the data. The goal of statistics is to make meaningful inferences and predictions based on the data.
It is used in a wide range of fields, including business, economics, social sciences, healthcare, and engineering. The main tools of statistics include probability theory, statistical inference, and statistical modeling.
2.75; a kitten who is just born is predicted to weigh 2.75 ounces.
The w-intercept of the line of fit represents the weight of a kitten at birth, which is the value of w when d equals zero. In this case, the intercept is 2.75, which means that a kitten who is just born is predicted to weigh 2.75 ounces.
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