Answer:
Indefinite answer
Step-by-step explanation:
Use formula
Y2 - y1 over x2 - x1
Guess what -4 - -4 gets cancelled and denominator becomes 0
The perimeter of a rectangular garden is 108 meters. The length is 6 meters longer than twice the width, find the dimensions of the garden
Answer:
width=16
length=38
Step-by-step explanation:
perimeter of a rectangle=2(length+width)
108/2=length+ width
54=length+ width
54-width=length
also:
length-6= 2×width
length=2width +6
now you can put the length we found, in the second equation:
54-width=2width+6
54-6=2width+width
48=3width
width=16
now do the exact same thing with one of the equations we created in the beginning.
either this:
54-width=length
or this:
length=2width +6
as the 1st one is simpler, I use that:
54-(16)=length
length=38
If you have a statistical calculator or computer, use it to find the actual sample mean and sample standard deviation. Otherwise, use the values Σx = 2769 and Σx2 = 132,179 to compute the sample mean and sample standard deviation. (Round s to four decimal places.)
By using a statistical calculator, the actual sample mean and sample standard deviation are:
Actual sample mean = 46.1500.
Actual ample standard deviation = 8.6256.
How to calculate the sample mean for the set of data?In Mathematics and Geometry, the sample mean for any set of data can be calculated by using the following formula:
Mean = ∑x/(n - 1)
∑x represents the sum of all data values.(n - 1) represents the number of data contained in a sample.In Mathematics and Geometry, the sample standard deviation for any set of data can be calculated by using the following formula:
Standard deviation, δx = √(1/N × ∑(x - \(\bar{x}\))²)
x represents the observed values of a sample.\(\bar{x}\) is the mean value of the observations.N represents the total number of of observations.By using a statistical calculator, the actual sample mean and sample standard deviation are as follows;
Actual sample mean = 46.1500.
Actual ample standard deviation = 8.6256.
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Missing information:
The question is incomplete and the complete question is shown in the attached picture.
Suppose that sin(a) = 4/6 and cos(b) =1/5 define in the first quadrant, determine cos(a-b). (round to 4 decimal places)
The value of the cosine of the angle of (a - b) will be 0.80.
What is trigonometry?Trigonometric functions examine the interaction between the dimensions and angles of a triangular form.
It is a function that repeats itself in a particular time interval.
Suppose that sin(a) = 4/6 and cos(b) = 1/5.
Then the value of 'a' is given as,
sin(a) = 4/6
sin(a) = 2/3
a = 41.81°
Then the value of 'b' is given as,
cos(b) = 1/5
b = 78.46°
Then the value of the cosine of the angle of (a - b) will be given as,
⇒ cos(41.81° - 78.46°)
⇒ cos(-36.65°)
⇒ cos 36.65°
⇒ 0.80
The value of the cosine of the angle of (a - b) will be 0.80.
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The blue dot is what value on the number line -6 -10
Answer:
I have no clue what I could answer that question with other than (-6,-10)
carlos can write 3 to 4 pages in his journal in 2/3 hour. if he writes for 5 hours, what's a reasonable number of pages he can write in that time?
Answer:
23, 24, 25, 26, 27, 28, 29, or 30
22.5 ≤ p ≤ 30
Step-by-step explanation:
So we know that in 2/3 hours, Carlos can write 3 to 4 pages.
First, lets find how many 2/3's are in 5. Lets divide 5 by 2/3.
\(\frac{5}{\frac{2}{3}}=7.5\)
So there are 7.5 2/3's in 5.
Now, lets assume Carlos writes 4 pages per 2/3 hours consistently throughout that 5 hours. This would yield the maximum amount of pages Carlos can write in 5 hours.
7.5(4) = 30
So the maximum amount of pages Carlos can write in 5 hours is 30.
Now, lets assume Carlos writes 3 pages per 2/3 hours consistently throughout that 5 hours. This would yield the minimum amount of pages Carlos can write in 5 hours.
7.5(3) = 22.5
So the minimum amount of pages Carlos can write in 5 hours is 22.5.
Now we can write the information that we found as an inequality. Lets make p equal to the pages that Carlos can write in 5 hours.
22.5 ≤ p ≤ 30
Any value greater than to equal to 22.5 and less than or equal to 30 would be reasonable.
I hope you find my answer and explanation to be helpful. Happy studying.
Which of the following functions has the function rule y= x +4
Answer:
Where are the following functions at?
Step-by-step explanation:
Answer:
what is the following
Step-by-step explanation:
What is the measure of each interior angle of the regular polygon pictured below? If necessary, round to the nearest tenth.
\(\underset{in~degrees}{\textit{sum of all interior angles}}\\\\ n\theta = 180(n-2) ~~ \begin{cases} n=\stackrel{number~of}{sides}\\ \theta = \stackrel{degrees}{angle}\\[-0.5em] \hrulefill\\ n=5 \end{cases}\implies 5\theta =180(5-2) \\\\\\ 5\theta =180(3)\implies 5\theta =540\implies \theta =\cfrac{540}{5}\implies \theta =108\)
$30 is taken off the price of a dress. If the new price is now 60% off the original price, what was the original price of the dress.
Parallel lines q and q are cut by transversal r forming 4 angles at each intersection. At the intersection of lines r and q, clockwise from top left, the angles are: 1, 2, 4, 3. At the intersection of lines r and s, clockwise from top left, the angles are: 5, 6, 8, 7.
Use the diagram to complete the statements.
Angles 1 and 5 are
because they are
angles.
Angles 4 and 6 are
because they are
angles.
Using the vertically opposite angles theorem and corresponding angles theorem, we have proven that alternate exterior angles are congruent
Angle theoremsFrom the question, we are to prove that alternate exterior angles are congruent.
In the given diagram, examples of alternate exterior angles are
∠1 and ∠8
∠2 and ∠7
Now, we will prove that ∠1 = ∠8
In the diagram, we can observe that
∠1 = ∠4 (Vertically opposite angles theorem)
and
∠4 = ∠8 (Corresponding angles theorem)
Then,
By the substitution property of equality
∠1 = ∠8
Hence, alternate exterior angles are congruent
Here is the complete and correct question:
Consider parallel lines cut by a transversal. Parallel lines q and s are cut by transversal r. On line q where it intersects line r, 4 angles are created. Labeled clockwise, from uppercase left: angle 1, angle 2, angle 4, angle 3. On line s where it intersects line r, 4 angles are created. Labeled clockwise, from uppercase left: angle 5, angle 6, angle 8, angle 7.
Explain which theorems, definitions, or combinations of both can be used to prove that alternate exterior angles are congruent.
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Answer:
Step-by-step explanation:
Parallel lines q and q are cut by transversal r forming 4 angles at each intersection. At the intersection of lines r and q, clockwise from top left, the angles are: 1, 2, 4, 3. At the intersection of lines r and s, clockwise from top left, the angles are: 5, 6, 8, 7.
Use the diagram to complete the statements.
Angles 1 and 5 are
✔ congruent
because they are
✔ corresponding
angles.
Angles 4 and 6 are
✔ supplementary
because they are
✔ same-side interior
angles.
MARS On Mars, the gravity acting on an object is less than that on Earth. On Earth, a golf ball hit with an initial upward velocity of 26 meters per second will hit the ground in about 5.4 seconds. The height h of an object on Mars that leaves the ground with an initial velocity of 26 meters per second is given by the equation h=−1.9t2+26t
. How much longer will it take for the golf ball hit on Mars to reach the ground? What is the maximum height of the golf ball on Mars? Round your answer to the nearest tenth.
It takes about
seconds longer for the golf ball hit on Mars to reach the ground.
The maximum height of the golf ball on Mars is about
meters.
The maximum height of the golf ball on Mars is about 48.8 meters.
To find how much longer it would take for the golf ball hit on Mars to reach the ground, we can use the given equation h = -1.9t² + 26t, where h is the height of the object and t is the time in seconds. First, we need to find the time it takes for the golf ball to reach the ground on Mars. Setting h = 0, we get:
0 = -1.9t² + 26t
Solving for t using the quadratic formula, we get t = 13.684 or t = 0.856. Since the golf ball is launched upward, we need the positive value of t, so it takes about 13.7 seconds for the golf ball to reach the ground on Mars. Therefore, it takes 13.7 − 5.4 = 8.3 seconds longer for the golf ball hit on Mars to reach the ground than the golf ball hit on Earth.
To find the maximum height of the golf ball on Mars, we can use the formula h = -1.9t² + 26t, where t is the time when the height is maximum. Since the formula is a quadratic equation, the maximum height occurs at the vertex of the parabola, which is at t = -b/2a.
In this case, a = -1.9 and b = 26, so the time at maximum height is t = -26 / 2(-1.9) = 6.842. Plugging this value into the equation for h, we get:
= -1.9(6.842)² + 26(6.842) ≈ 48.8 meters
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For what values of theta do maximum r-values occur on the graph the polar equation r = 2 cos4 theta? Note that the maximum r-value occurs at a point that is the maximum distance from the pole
Answer:r=2 cos^4(theta)
Step-by-step explanation:To find the values of theta where the maximum r-values occur on the graph of the polar equation r = 2 cos^4(theta), we need to find where the derivative of r with respect to theta is equal to zero, since the maximum r-values occur at these points.
First, we can simplify the equation by using the identity cos(2theta) = 2cos^2(theta) - 1 and substituting cos^2(theta) = (1 + cos(2theta))/2. This gives:
r = 2 cos^4(theta) = 2(1/2 + 1/2 cos(2theta))^2 = 1 + cos(2theta) + cos^2(2theta)/2.
Next, we can take the derivative of r with respect to theta, using the chain rule:
dr/dtheta = -sin(2theta) - 2cos(2theta)sin(2theta).
Setting this equal to zero and factoring out sin(2theta), we get:
sin(2theta)(-1 - 2cos(2theta)) = 0.
This equation is satisfied when sin(2theta) = 0 or cos(2theta) = -1/2.
When sin(2theta) = 0, we have 2theta = k*pi for some integer k. Therefore, theta = k*pi/2.
When cos(2theta) = -1/2, we have 2theta = 2*pi/3 + 2*k*pi or 2theta = 4*pi/3 + 2*k*pi for some integer k. Therefore, theta = pi/3 + k*pi or theta = 2*pi/3 + k*pi.
These are the values of theta where the maximum r-values occur on the graph of the polar equation r = 2 cos^4(theta).
How many steps are in a one meter how many steps are their in one meter?
Answer:
meter equals 1.312 steps because 1 times 1.312 (the conversion factor) = 1.312
6. A trail is 13.5 miles long. There are markers every 0.25 mile along the trail, including at the
end of the trail. How many markers are there in all?
a) 4
b) 5
c) 40
d) 54
Answer:
54
Step-by-step explanation:
13.5/0.25=54
Please simply 24/64
2/6
3/8
1/3
6/16
In ΔABC, a = 260 inches, b = 480 inches and c=430 inches. Find the measure of ∠C to the nearest 10th of a degree.
If the vertex of an absolute value function is (1.-2) and another point on the
graph is (0,2), find a and write the function in the form of g(x)=a/x-h1+k
Answer:
Maybe its y= b-x
Step-by-step explanation:
4a + 3a
Will give brainliest!!!
Answer:
7a
Step-by-step explanation:
4a + 3a
(4 + 3)a
(7) a
Answer = 7a
Answer:
4a+3a is equivalent to 7a
Step-by-step explanation:
when simplifying you combine like terms. Since 3a and 4a are like terms and their are no exponents, all you have to do is add the coefficients together.
What is the value of u? (pls help and no links)
Answer:
I think 44 degrees
Step-by-step explanation:
73-29=44
Answer:
44
Step-by-step explanation:
The value of u, combined with the angle directly next to it (with the measurement of 29°), is a vertical angle to the opposite given angle (73°).
Note that, by the definition of vertical angles, angles directly next and opposite of each other have the same measurement. Set the equation:
u + 29 = 73
Isolate the variable, u. Note the equal sign, what you do to one side, you do to the other. Subtract 29 from both sides:
u + 29 (-29) = 73 (-29)
u = 73 - 29
u = 44
44° is your answer for u.
~
We have 2 squares. One square is shaded 2/12 and the other shaded square in the diagram is 2/15 shaded. How much of the total diagram is shaded?
A.0.148
B.0.148 repeated
C. 0.3
D.0.3 repeated
By answering the presented question, we may conclude that In decimal form, the answer is 0.15, which is close to option A, 0.148. As a result, the answer is A. 0.148.
what is a square?According to Euclidean geometry, a square is an equilateral quadrilateral having four equal sides and four equal angles. It is often referred to as a rectangle with two nearby sides of equal length. A square is an equilateral quadrilateral because it has four equal sides and four equal angles. Square angles are 90-degree or straight angles. Also, the diagonals of the square are evenly spaced and divide at a 90-degree angle. an adjacent rectangle with two equal sides. a quadrilateral with four equal-length sides and four right angles. A parallelogram with two adjacent, equal sides forming a right angle. A rhombus with straight sides.
To determine the answer, multiply the areas of the shaded squares by the overall area of the figure.
Assuming that both squares are the same size, we may combine the fractions using a common denominator:
2/12 + 2/15 = 5/60 + 4/60 = 9/60 = 3/20
As a result, the entire shaded area is 3/20 of the total area of the diagram.
We can't discover the exact area of the graphic because it's not presented. As a result, we can only represent the answer in fractions or decimals.
In decimal form, the answer is 0.15, which is close to option A, 0.148. As a result, the answer is A. 0.148.
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NO LINKS!!! URGENT HELP PLEASE!!!!
At the Detroit Metro there is a cell tower located near the end of the runway. In order for the plane to clear the tower safely it must take off at an angle of no less than 25 degrees. If the tower is 200 feet tall, how far away should the plane take off in order to safely avoid the tower?
Step-by-step explanation:
To solve the problem, we can use trigonometry. Let's call the distance the plane needs to be from the base of the tower "x". We can then use the tangent function to find the height of the tower that the plane needs to clear:
tan(25) = 200/x
To solve for x, we can cross-multiply:
x * tan(25) = 200
Then, we can divide both sides by tan(25):
x = 200 / tan(25)
Using a calculator, we get:
x ≈ 437.4 feet
Therefore, the plane needs to take off at a distance of at least 437.4 feet from the base of the tower in order to safely avoid it.
Answer:
The plane should take off 428.9 feet from the base of the tower (to the nearest tenth).
Step-by-step explanation:
The given scenario can be modelled as a right triangle, where the length of the runway is the base of the triangle and the height of the tower is the height of the triangle.
Given the take-off angle is 25° and the tower is 200 feet tall, we can use the tangent trigonometric ratio to find the horizontal distance from the base of the tower that the plane should take off in order to safely avoid the tower.
\(\boxed{\begin{minipage}{7 cm}\underline{Tangent trigonometric ratio} \\\\$\sf \tan(\theta)=\dfrac{O}{A}$\\\\where:\\ \phantom{ww}$\bullet$ $\theta$ is the angle. \\ \phantom{ww}$\bullet$ $\sf O$ is the side opposite the angle. \\\phantom{ww}$\bullet$ $\sf A$ is the side adjacent the angle.\\\end{minipage}}\)
Given:
θ = 25°O = 200 ftA = xSubstitute the values into the ratio and solve for x:
\(\implies \tan 25^{\circ}=\dfrac{200}{x}\)
\(\implies x=\dfrac{200}{\tan 25^{\circ}}\)
\(\implies x=428.90138...\)
\(\implies x=428.9\; \sf ft\;(nearest\;tenth)\)
Therefore, the plane should take off 428.9 feet from the base of the tower (to the nearest tenth).
What is
3.149
3.149 rounded to the nearest hundredth?
Answer:
3.15
Explanation:
3. Mr. Keen buys a wagon that was originally priced at $130 and then
reduced by 10%. What was the reduced price?
Answer:
it would be reduced to $117. dollars
Step-by-step explanation:
=)
Mohammed wrote down all the money coming in and out for the month. Select all the expenses
aEvery year since 1548, the average height of a human male has increased slightly. Thenew height is 100.05% of what it was the previous year. If the average male's height was54 inches in 1548, what was the average height of a male in 2008?
Given:
a.) The new height is 100.05% of what it was the previous year.
b.) The average male's height was 54 inches in 1548.
For us to be able to determine the average height of a male in 2008, we will be using the geometric sequence formula:
\(A_n\text{ = }A_1(r)^{n-1}\)Where,
An = The average height of a male in 2008
A1 = 54 inches
r = 100.05% = 100.05/100 = 1.0005
n = (2008 - 1548) + 1 = 460 + 1 = 461
We get,
\(A_n\text{ = }A_1(r)^{n-1}\)\(A_n\text{ = }(54)(1.0005)^{461-1}\text{ = }(54)(1.0005)^{460}\)\(=(54)(1.2585276666222281763001496826748)\)\(=\text{ }67.960493997600321520208082864439\)\(\text{ }\approx\text{ 67. 96 inches}\)Therefore, in 2008, the average height of a male will be 67.96 inches.
-2/3-8=14 please help
Answer:
-33
Step-by-step explanation:
this math equation looks relatively simple so i assume the actual equation is -2/3x - 8 = 14
add 8
-2/3x =22
multiply by -3/2
answer is -33
Determine whether the following statement is true or false.
For a test of independence, the population that the data has come from must be normally distributed.
A. True
B. False
Answer:
The provided statement is False.
Step-by-step explanation:
The assumptions to perform a test of independence are:
The sample selected is randomA large sample is selectedThe observations are independent of each otherThe observations follow the same distribution.It is not necessary that the parent population or the population from which the sample is collected is normally distributed.
Thus, the provided statement is False.
DO 1 AND 2
PLEASE DONT DO THIS FOR POINTS
Answer 1:
D) 1/4
Answer 2:
B) 2/3
Step-by-step explanation:
For question 1, I did 2/8 is equivalent to 1/4. 1/ 1/4 = 1/4
For question 2, I did 2 of 2/3 = 2/3. So.. The answer would be 2/3
-kiniwih426
Answer:
1. A) 1/16
2. A) 6
Step-by-step explanation:
Take these answers with a grain of salt, this is kinda tricky.
So for number 1…
If 1/8 = 1/8
then, 0.5/8 = 1/16
The numerator has been divided by 2, so now the denominator has been multiplied by 2.
For number 2…
1/3 is less than 1, right?
so the answer has to be MORE than 2 (smaller the number is divided by, the bigger the final answer will be).
B and C are wrong
Take the denominator of the denominator (it’s 3) and multiply it by the numerator. And you get 6.
yeah this question is pretty useless, who thought of this anyways?
ITS URGENT
(5−x)(2x+7)(x−3)≤0
Answer:
− 7 2 ≤ x ≤ 3 or x ≥ 5
Step-by-step explanation:
Basically isolate X,
(Sorry, I don't have time to explain deeply)
Hope I helped!! :)
Answer:
x is part of [-7/2,3]U[5,+infinite [
Given distinct noncollinear points A, B, and C, the set of all points between 1 point
A and C, including A and C is
A ray A circle An angle A line segment
Points that are not on the same line are said to be noncollinear.
The set of points between A and C is a line segment.
From the question, we understand that A, B and C are not on the same line.
We do not know if the distance between AB is the same as the AC and BC, so the set of points cannot be a circle.
For the set of points to be an angle, it must pass through A, B and C.
Since it only passes through A and C, the set of points cannot be an angle.
A ray has only one endpoint, so the set of points cannot be a ray.
A line segment has two endpoints;
Since the points are between A and C, we can consider A and C as the endpoints of the line.
Hence, the set of points between A and C is a line segment.
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If it’s possible, I don’t need step-by-step instructions/help I just have this one question that I’m stuck on and this is due in a few minutes
Since the points are proportional, it implies that the ratio of the y coordinate and x coordinate must be equal for each point.
The point k (18,12) has its ratio as
\(k=\frac{18}{12}=1.5\)The ratio of option d gives
\(\frac{7.5}{5}=1.5\)Since the ratio is equal then:
This implies that point K can be represented by (7.5,5)
The right option is D