What is the gradient of the graph shown?
Give your answer in its simplest form.
Answers
Step-by-step explanation:
One sec I'll answer this right now
-2 Is the answer!!
Related Questions
estimate the proportion of defectives being produced by the machine if the random sample of size 2 yields 2 defects.
Answers
we can estimate that the proportion of defectives being produced by the machine is around 0.316.
What is proportion?
A comparison between the size, number, or amount of one thing or group with that of another. In our class, there are three boys for everyone lady.
If the random sample of size 2 yields 2 defects, that means both items in the sample were defective. Let p be the proportion of defectives being produced by the machine.
The probability of selecting a defective item on the first draw is p, and the probability of selecting a defective item on the second draw is also p (assuming sampling without replacement).
Since both items were defective, the probability of this happening is p * p = p².
So,
p² = (number of samples with 2 defects) / (total number of samples)
We don't know the values of these numbers, but we can use them to estimate p. For example, if we had a total of 100 samples and 10 of them had 2 defects, then:
p² = 10/100 = 0.1
p ≈ √(0.1) ≈ 0.316
Hence, we can estimate that the proportion of defectives being produced by the machine is around 0.316.
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Gwendolyn draws a hotdog on graph paper using the scale shown below. The hotdog has a length of 999 units in the drawingWhat is the length, , c, m, of the actual hotdog?
Answers
The length of the actual hotdog is 15 cm
How to determine the length of the actual hotdog?The graph that completes the question is added as an attachment
The length of the hotdog in the figure is given as
Length = 9 units
The scale is given as
Scale: 6 units = 10 cm
So, we have
6 * 9 units = 10 * 9 cm
Divide both sides by 6
So, we have
9 units = 15 cm
Substitute 9 units = 15 cm in Length = 9 units
Length = 15 cm
Hence, the length of the actual hotdog is 15 cm
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A sample is selected from a population with a mean of μ = 65 and a standard deviation of σ = 15. if the sample has n = 9 scores, what are the expected value of m and the standard error of m?
Answers
The Expected value of M is 65
The Standard error of M is 5
The mean of the distribution of sample means is called the expected value of M.The standard deviation of the distribution of sample means is called the standard error of M.Given,
The sample score, n = 9
The Standard deviation, σ = 15
Population mean, μ = 65
Then,
The Expected value of M = μ
∴ The Expected value of M = 65
The Standard error of M = σ/\(\sqrt{n}\)
\(=\frac{15}{\sqrt{9} } \\\\=\frac{15}{3} \\=5\)
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Calculate the slope of a line that passes through the points (3, -20) and (5, 8).
6
14
26
4
Answers
Answer:
B. 14Step-by-step explanation:
Given points
(3, -20) and (5, 8)Using slope formula
m = (y2 - y1)/(x2 - x1)m = (8 - (-20)) / (5 - 3) = 28/2 = 14Slope is 14
Correct choice is B. 14
Answer: B: 14
Step-by-step explanation:
i took the test and got that answer
pls help me I’m so tired
Answers
Answer:
Step-by-step explanation:
\(Equation 1\\y-2x=-2\\Equation 2\\8x=-3y-48\)
To begin, solve equation 1 for y:
\(y=2x-2\)
Then substitute 2x-2 for y in equation 2:
\(8x=-3(2x-2)-48\)
Now solve for x:
\(8x=-3(2x-2)-48\\8x=-6x+6-48\\8x=-6x-42\\(8x)+6x=(-6x-42)+6x\\14x=-42\\\frac{14x}{14}=\frac{-42}{14}\\x=-3\)
Substitute this x-value into equation 1:
\(y=2x-2\\y=2(-3)-2\\y=-6-2\\y=-8\)
So, the ordered pair that best represents the solution to this system of equations is (-3,-8). This can be proven by substituting these values for x and y into the original equations:
\(y-2x=-2\\(-8)-2(-3)=-2\\-8-(-6)=-2\\-8+6=-2\\-2=-2\)
and
\(8x=-3y-48\\8(-3)=-3(-8)-48\\-24=24-48\\-24=-24\)
A marquee with the dimensions as shown is
made from canvas. The marquee has no floor.
Find the total cost of the canvas if it costs
$31.50 per square metre.
Answers
Answer:
$63.00
$31.50×2=$63.00
What is the 12th term in the sequence (1,3,5,7).
Answers
Answer:
23
Step-by-step explanation:
We Know
The sequence (1,3,5,7)
Each time it increases by 2
What is the 12th term in the sequence (1,3,5,7)?
Let's list it out
1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23,....
So, the 12th term in the sequence is 23.
A circle has a cincumarence of 907 16 units,What is the diameter of the circle?
Answers
Answer: 288.74
Step-by-step explanation:
4. Prove that 30∈/A, where A={x∣x is integer and x=3k+5, where k is integer } 5. Prove that A⊂B. Given A={x∣x=2k+5, where k∈I+},B={x∣x=2j+1 where j∈I+} 6. From 5, prove that B⊂A. 7. Given A={x∣x=4j−5, where j∈1+and j≥2} B={x∣x=2k+1, where k∈I+and k≥0}, prove that A⊂B. 8. Given A={x∣x=2k−3, where k∈1+} B={x∣x=j+3, where j∈I+}, prove that A⊂. 9. Given A={x∈R∣x2+x−2=0} B={0,1,2,…}, prove that A=B. 10. Given A={x∈1+∣x=4j−3, where j∈I+} B={x∈1+∣x=2k−3, where k∈I+}, prove that A=B. 11. Given A={x∈1+∣x is divisible by 2} B={x∈1+∣x is divisible by 3} C={x∈1+∣x is divisible by 6}, prove the followings: 11.1 A⊂B
Answers
We can conclude that A is not a subset of B (A ⊄ B).
We have,
To prove that A ⊂ B, we need to show that every element in A is also an element of B.
In other words, if x is in A, then x must be in B.
Given:
A = {x ∈ 1+ | x is divisible by 2}
B = {x ∈ 1+ | x is divisible by 3}
Let's take an arbitrary element, say y, from A.
Since y is divisible by 2, it must be an even number.
However, not all even numbers are divisible by 3.
Therefore, y may or may not be an element of B.
This means that there exist elements in A that are not in B.
Thus,
We can conclude that A is not a subset of B (A ⊄ B).
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The complete question:
Prove that A ⊂ B, we need to show that every element in A is also an element of B. In other words, if x is in A, then x must be in B.
The difference of 8 and six times a number is a minimum of sixty-eight
Answers
Answer:
Let's represent the unknown number with the variable, x.
The word "difference" indicates subtraction and "times" indicates multiplication.
The "difference of 8 and six times a number" would be represented as: 8 - 6x
NOTE: The order of the terms is important (8- 6x is not the same as 6x - 8).
This expression 8 - 6x must be at least 68 to meet the requirement of being at least a "minimum".
The final inequality will be: 8 - 6x ≥ 68
Step-by-step explanation:
hope this helps :)
Answer:
6x-8>=68
Step-by-step explanation:
Give an example of an expression in factored form? Then explain how you know it is factored
WILL GIVE BRAINIEST
Answers
Answer:
21= 7x3
Step-by-step explanation:
it is simply reversing the answer in a way from 7x3=21 to 21=7x3
prove that 1+tan²A= sec²A
Answers
Answer:
this is the answer can u give me brainliest pls
Step-by-step explanation:
your car broke down and the final bill was $306.50. The part that was replaced cost $119 and the charge mechanics labor was 75 per hour. Write an equation to model this situation then solve the equation for the number of hours the mechanic worked on your car.
Answers
Answer:
\(\huge\boxed\text{Equation:}\)\(\huge\boxed{\text{Equation: }119+75x=306.50}\\\)
\(\huge\boxed{\text{Hours worked on: } 2.5}\)
Step-by-step explanation:
We can create an equation for this problem by converting the words to an equation.
The flat fee was $119. We then add $75 for every hour worked. This means that this becomes \(119+75x\). Since the total cost was $306.50, the equation is \(119+75x=306.50\).
We can now solve for x, the amount of hours worked, to find it’s value.
\(119 + 75x = 306.5\\\\75x=187.5\\\\x = 2.5\)
Hope this helped!
When water is frozen ________. Question 10 options: it shrinks by 15 percent it expands by 15 percent it shrinks by 9 percent it expands by 9 percent nothing happens to it
Answers
When water is frozen, it expands by 9 percent. This is due to the unique structure of water molecules.
In liquid form, water molecules are constantly moving and bumping into each other, but when water freezes, the molecules arrange themselves into a crystalline structure with hydrogen bonds between them. These hydrogen bonds cause the water molecules to move further apart from each other, resulting in an increase in volume and expansion.
This expansion of water when it freezes can have significant effects on the environment. For example, in colder regions, frozen water in soil can cause the soil to expand and contract, which can damage roads and buildings. In addition, the expansion of water in pipes during freezing temperatures can cause pipes to burst, leading to costly repairs.
It is important to note that not all liquids behave like water when frozen. For instance, some liquids, such as mercury, actually contract when they freeze. Therefore, it is essential to understand the properties of different substances before making assumptions about their behavior when subjected to extreme temperatures.
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aiden models a can of ground coffee as a right cylinder. He measures its radios as 3/4 in and its volume 12 cubic inches. Find the height of the can in inches. Round your answer to the nearest tenth if necessary
Answers
The height of the can is approximately 6.81 inches when rounded to the nearest tenth.
In this problem, Aiden models a can of ground coffee as a right cylinder with a radius of 3/4 inches and a volume of 12 cubic inches. To find the height of the can, we will use the formula for the volume of a cylinder, which is V = πr^2h, where V is the volume, r is the radius, and h is the height.
We know that the volume V is 12 cubic inches and the radius r is 3/4 inches. Plugging these values into the formula, we get:
12 = π(3/4)^2h
Now, we will solve for h. First, square the radius:
(3/4)^2 = 9/16
Next, substitute this value back into the formula:
12 = π(9/16)h
To isolate h, divide both sides by (9/16)π:
h = 12 / (π(9/16))
Now, simplify the expression:
h ≈ 12 / (9/16)π ≈ (12 * 16) / (9π) ≈ 192 / (9π) ≈ 6.81
Therefore, the height of the can is approximately 6.81 inches when rounded to the nearest tenth.
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Is Noah correct? Yes or no and why
Answers
Answer:
He is not correct.
Step-by-step explanation:
This is because when you subtract -11 and 10.75, you get the answer of -21.75 instead of -0.25. He added the expression instead of subtracting it. Hope it helps
A recipe for homemade clay calls for 6 cups of water for every 12 cups of flour. How many cups of water are needed when 4 cups of flour are used?
Answers
x:4
12/4 = 3
6/3 = 2
ANSWER: x = 2
PROOF: 2:4 = 6:12
Answer:
2
Step-by-step explanation:
The original ratio is 6:12
That could be looked at as divided by half. OR, you can look at it as 12/3 is 4
So 4/2 is 2, and for the second method I provided... 6/3 is 2
7. What is the volume of a cylinder with a radius of 5and a height of 3?A. 30mB. 45mC. 75mD. 120m
Answers
Given
\(\begin{gathered} r=5 \\ h=3 \end{gathered}\)The formula of the volume of a cylinder
\(Volume\text{ of a cylinder=}\pi r^2h\)Substitute the given to the volume
\(\begin{gathered} Volume=\pi\times5^2\times3 \\ Volume\text{ =75}\pi \\ Volume=\text{ 235.62 unit}^3 \end{gathered}\)The volume of a cylinder with a radius of 5 and a height of 3 is
\(235.62\text{ unit}^3\)at the newest animated movie, for every 9999 children, there are 4444 adults. there are a total of 39393939 children and adults at the movie.
Answers
In this movie, the ratio of children to adults suggests that there are 27 children in attendance.
We have to give that,
There are 9 children for every 4 adults.
This means that if there were 13 people, 9 of them would be children and 4 would be adults.
Children would therefore be:
= 9 / 13
If there were 39 people, the number of children would be:
= 9/13 x 39
= 27 children
In conclusion, there are 27 children.
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The complete question is,
In the newest animated movie, for every 9 children, there are 4 adults. There are a total of 39 children and adults in the movie.
How many children are in the movie?
Assume y(t) = 2t{t-4 x(T) dt
a) Find impulse response b) Determine this system is linear or non-linear c) Check the stability of this system
Answers
For the given expression 2t² is the impulse response, and the given system is linear and the system is unstable
Given, y(t) = 2t{t-4 x(T) dt.
a) To find impulse response, let x(t) = δ(t).Then, y(t) = 2t{t-4 δ(T) dt = 2t.t = 2t².
Let h(t) = y(t) = 2t² is the impulse response.
b) A system is said to be linear if it satisfies the two properties of homogeneity and additivity.
A system is said to be linear if it satisfies the two properties of homogeneity and additivity. For homogeneity,
let α be a scalar and x(t) be an input signal and y(t) be the output signal of the system. Then, we have
h(αx(t)) = αh(x(t)).
For additivity, let x1(t) and x2(t) be input signals and y1(t) and y2(t) be the output signals corresponding to x1(t) and x2(t) respectively.
Then, we have h(x1(t) + x2(t)) = h(x1(t)) + h(x2(t)).
Now, let's consider the given system y(t) = 2t{t-4 x(T) dt.
Substituting x(t) = αx1(t) + βx2(t), we get y(t) = 2t{t-4 (αx1(t) + βx2(t))dt.
By the linearity property, we can write this as y(t) = α[2t{t-4 x1(T) dt}] + β[2t{t-4 x2(T) dt}].
Hence, the given system is linear.
c) A system is stable if every bounded input produces a bounded output.
Let's apply the bounded input to the given system with an input of x(t) = B, where B is a constant.Then, we have
y(t) = 2t{t-4 B dt} = - 2Bt² + 2Bt³.
We can see that the output is unbounded and goes to infinity as t approaches infinity.
Hence, the system is unstable. Therefore, the system is linear and unstable.
Thus, we have found the impulse response of the given system and checked whether the system is linear or not. We have also checked whether the system is stable or unstable. We found that the system is linear and unstable.
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WILL GIVE BRAINLIEST
Answers
Answer:
the answer is A
Step-by-step explanation:
Please help this is timed!!
Answers
Answer:
can i see the rest of the problem...
Step-by-step explanation:
While mining, Nancy found a large metal bar that contained 38 pounds of gold. Nancy also determined that the bar was 95% gold. What was the total weight of the metal bar in pounds?
Answers
Answer:
56%
Step-by-step explanation:
A concave shaving mirror has a radius of curvature of +31.5 cm. It is positioned so that the (upright) image of a man's face is 3.40 times the size of the face. How far is the mirror from the face? Number i Units
Answers
The data includes a concave mirror with a radius of curvature of +31.5 cm and magnification of m = 3.40. The formula for magnification is m = v/u, and the focal length is f = r/2. Substituting the values, we get u = v/m, and using the mirror formula, the distance of the object from the mirror is 10.15 cm.
Given data: Radius of curvature of a concave mirror, r = +31.5 cm Magnification produced by the mirror, m = 3.40
We know that the formula for magnification is given by:
m = v/u where, v = the distance of the image from the mirror u = the distance of the object from the mirror We also know that the formula for the focal length of the mirror is given by :
f = r/2where,f = focal length of the mirror
Using the mirror formula:1/f = 1/v - 1/u
We know that a concave mirror has a positive focal length, so we can replace f with r/2.
We can now simplify the equation to get:1/(r/2) = 1/v - 1/u2/r = 1/v - 1/u
Also, from the given data, we have :m = v/u
Substituting the value of v/u in terms of m, we get: u/v = 1/m
So, u = v/m Substituting the value of u in terms of v/m in the previous equation, we get:2/r = 1/v - m/v Substituting the given values of r and m in the above equation, we get:2/31.5 = 1/v - 3.4/v Solving for v, we get: v = 22.6 cm Now that we know the distance of the image from the mirror, we can use the mirror formula to find the distance of the object from the mirror.1/f = 1/v - 1/u
Substituting the given values of r and v, we get:1/(31.5/2) = 1/22.6 - 1/u Solving for u, we get :u = 10.15 cm
Therefore, the distance of the mirror from the face is 10.15 cm. The units are centimeters (cm).Answer: 10.15 cm.
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Which properties did Elizabeth use in her solution? Select 4 answers
Answers
The properties used by Elizabeth to solve equation are mentioned in option A,D,E and F.
Which basic properties are used to solve equations?The equality's addition attribute enables you to add the identical amount to both sides of an equation.Enables you to remove the same amount from both sides of an equation using the equality's subtraction feature.The equality's multiplication attribute enables you to multiply an equation's two sides by the same non-zero amount.The equality's division attribute enables you to divide an equation's two sides by the same non-zero number.These characteristics make it possible to modify equations while maintaining their consistency, which eventually aids in identifying the variable and the equation's solution.
In given steps to the solution of equation,
\(\frac{3(x-2)}{4} -5= -8\)
\(\frac{3(x-2)}{4}= -3\) (Addition property of equality)
\({3(x-2)}= -12\) (Multiplication property of equality)
\(3x-6=-12\) (Distributive property)
\(3x=-6\)
\(x=-2\) ( Division property of equality)
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will give crown
2x2=x/273x8=
Answers
Answer:
-193 is correct.
If you received 5 one hundred dollar bills, 7 one thousand dollar bills and 7 one dollar bills, how much money did you get? Write the number in standard form.
Answers
Answer:
$7,507
Step-by-step explanation:
Alex has 19 marbles,
Emily has 5 marbles.
How many more marbles does Alex have than Emily?
marbles
Answers
Answer:
14!
Step-by-step explanation:
Subtract 5 from 19 and get 14!
A manager of a deli gathers data about the number of sandwiches sold based on the number of customers who visited the deli over several days. The
table shows the data the manager collects, which can be approximated by a linear function.
Customers
104
70
111
74
170
114
199
133
163
109
131
90
Sandwiches
If, on one day, 178 customers visit the deli, about how many sandwiches should the deli manager anticipate selling?
Answers
To estimate the number of sandwiches the deli manager should anticipate selling when 178 customers visit the deli, we can analyze the given data and approximate it using a linear function.
By observing the table, we notice that the number of sandwiches sold varies with the number of customers. This indicates a relationship between the two variables.
To estimate the number of sandwiches, we can fit a line to the data points and use the linear function to make predictions. Using a statistical software or a spreadsheet, we can perform linear regression analysis to find the equation of the best-fit line. However, since we are limited to text-based interaction, I will provide a general approach.
Let's assume the number of customers is the independent variable (x) and the number of sandwiches is the dependent variable (y). Using the given data points, we can calculate the equation of the line.
After calculating the linear equation, we can substitute the value of 178 for the number of customers (x) into the equation to estimate the number of sandwiches (y).
Please provide the data points for the number of sandwiches sold corresponding to each number of customers so that I can perform the linear regression analysis and provide a more accurate estimate for you.
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Write the equation for the graph below:
HELP
Answers
help
9/6
what 72 ty76uddjxxjhzh38488