Answer:
A
Step-by-step explanation:all of the others answers make no sense
Solve:
one third plus five ninths equals blank
a six ninths
b six twelfths
c eight ninths
d four sixths
Answer: it is c
Step-by-step explanation:
cause i did this befoore
how many rows and columns must a matrix a have in order to define a mapping from r4 into r5 by the rule t .x/ d ax?
The matrix A must have the following form:
A = [ a11 a12 a13 a14 ]
[ a21 a22 a23 a24 ]
[ a31 a32 a33 a34 ]
[ a41 a42 a43 a44 ]
[ a51 a52 a53 a54 ]
In order for a matrix A to define a mapping from R4 into R5 by the rule T(x) = Ax, the matrix A must have 5 rows and 4 columns.
This is because the number of rows in the matrix determines the dimension of the output space, while the number of columns determines the dimension of the input space. In this case, the output space is R5 and the input space is R4, so the matrix must have 5 rows and 4 columns.
In general, if a matrix A is used to define a mapping from Rn into Rm by the rule T(x) = Ax, then the matrix A must have m rows and n columns.
So, the matrix A must have the following form:
A = [ a11 a12 a13 a14 ]
[ a21 a22 a23 a24 ]
[ a31 a32 a33 a34 ]
[ a41 a42 a43 a44 ]
[ a51 a52 a53 a54 ]
where each aij is a scalar.
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based on the information given above is it possible to compute the probability that a randomly selected cookie has a weight less than 14 g?
0.1367 percent of randomly chosen cookies will weigh less than 14 grams.
Given data;
Is it possible to calculate the likelihood that a randomly selected cookie weighs less than 14g using the information provided above?
Let,
X = Average cookie weight in a pack of 30
E (X) = μ = 15
Var (X) = σ²/n
= 1²/30 = 0.0333
⇒ Standard Deviation (X) = √0.0333 = 0.1826
P(X ≤ 14.8) = (X-15 / 0.1826 < 14.815/0.1826)
= P(14.815 - 0.1826)
= P(Z-1.1)
= 0.1367
Hence, the probability that a randomly selected cookie has a weight less than 14g is 0.1367
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Use the definition or identities to find the exact value of each of the remaining five trigonometric functions of the acute angle θ
sec θ = 3
sin θ = .....
(Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)
The exact values of the remaining five trigonometric functions of the acute angle θ
To find sin θ, we can use the identity sec^2 θ = 1 + tan^2 θ, and solve for tan θ first.
sec θ = 3
Recall that sec θ = 1/cos θ, so we have:
1/cos θ = 3
cos θ = 1/3
Using the Pythagorean identity, we have:
sin^2 θ + cos^2 θ = 1
sin^2 θ + (1/3)^2 = 1
sin^2 θ = 8/9
Taking the square root of both sides (since sin θ is positive for acute angles), we have:
sin θ = sqrt(8/9) = (2sqrt(2))/3
Therefore, the remaining five trigonometric functions of θ are:
cos θ = 1/3
tan θ = sin θ/cos θ = (2sqrt(2))/1 = 2sqrt(2)
csc θ = 1/sin θ = 3/(2sqrt(2)) = (3sqrt(2))/4
sec θ = 3
cot θ = 1/tan θ = 1/(2sqrt(2)) = (sqrt(2))/4
sin θ = (2sqrt(2))/3
cos θ = 1/3
tan θ = 2sqrt(2)
csc θ = (3sqrt(2))/4
sec θ = 3
cot θ = (sqrt(2))/4
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The total number of cookies,y, contained in x packages can be represented by the equation y = 24x. Which of the following graphs best represents this situation?
The graph for the linear equation y=24x, will be a straight line having coordinate (1,24) i.e. B.
What is a linear equation, exactly?
A linear equation is a first-degree algebraic equation in which each term is either a constant or the product of a constant and a single variable (degree 1). A linear equation is stated as y = mx + b, where y is the dependent variable, x is the independent variable, m is the line's slope, and b= y-intercept .
A linear equation's graph is a straight line. The line's slope decides how steep it is, and the y-intercept indicates where the line crosses the y-axis. Linear equations are used to model relationships between variables that are directly proportional to each other, such as distance and time, or cost and quantity.
Now,
Given equation is y=24x
then for x, y is
1, 24
2, 48
3, 72
4, 96
Hence, the graph will be as represented in option 2.
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PLZ help stuck on three
Answer:
x=4
h=8
r=3
Step-by-step explanation:
64/8=8
24/6=4
27/9=3
hope this helps
Expand.
Your answer should be a polynomial in standard form.
-p^2(p^2-p-1)=
Answer:
Step-by-step explanation:
Use distributive property. Then use exponent law.
Exponent law used here = \(a^{m}*a^{n}=a^{m+n}\)
\(-p^{2}(p^{2} - p - 1) = -p^{2}*p^{2} - p *(-p^{2}) - 1*(-p^{2}) \\\\= -p^{4} + p^{3}+p^{2}\)
Write an equation of the line that passes through (7,10) and is perpendicular to the line y=1/2x-9
Answer:
y = − 2x + 24
Find the value of x.
A
28
20
B
9x – 8
С
Answer:
The question is incorrect. please provide a diagram.
The company Wash-A-World sells washing machines. Lena has found a suitable machine called the Washenator 1500. The cost of the machine is shown below. Wash-A-World How much more expensive is the hire purchase cost than the cash price for this washing machine? Show your work in the space below to find the difference in cost between the two options. Which option would you recommend to Lena? Give a reason for your answer.
The hire purchase option is $55 more expensive than the cash price.
How much more expensive is the hire purchase cost?A hire purchase is an arrangement where a person agrees to acquire an asset by paying an initial installment and repaying the balance of the price of the asset plus interest over time.
The total cost of the washing machine under hire purchase can be calculated as follows:
30% deposit = 30% * $850 = $255Remaining amount to be paid = $850 - $255 = $59510 monthly payments of $65 = $650Therefore, the total cost under hire purchase is:
= $255 + $650
= $905
To find out how much more expensive the hire purchase option is compared to the cash price, we can subtract the cash price from the hire purchase price, which gives us:
= $905 - $850
= $55.
Therefore, the hire purchase option is $55 more expensive than the cash price.
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A circle has diameter 8. What's the area?
*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆
Answer: 50.27
Explanation:
r=radius
Diameter/2 = radius
The formula is 3.14r^2
3.14(4)^2
50.27 is final answer
I hope this helped!
<!> Brainliest is appreciated! <!>
- Zack Slocum
*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆
Answer:
50.27
Step-by-step explanation:
A= π r^2
The radius is equal to half of the diameter.Which in this case would be 4 since your diameter is 8.
A = π * 4 ^2
A = 50.27
anyone please help asap!!! The theater holds 250 people last last nights performance was sold out, students under the age of 16 paid $2.50 per ticket, but everyone else in the theater paid four dollars. Last night show brought in $910 how many people were under the age of 16 and how many were older than 16 that went to the show?
Answer:
there were 60 people that are under 16 and 190 people above 16.
**Part A**
Write and simplify an expression to represent the combined number of accessories sold.
**Part B**
Factor the simplified expression.
**Part C**
If the toy store sold 5 dozen of the latest action figure, how many accessories did the store sell? Enter your answer in the box.
______ accessories
Answer:
Turbo jetpack = 6(d + 7)
Xray vision glasses = 2d - 5
Invisible shield = 10d + 1
18d + 38 ;
128 dozen accessories
Step-by-step explanation:
Let the number of boxes sold = d
Turbo jetpack = 6(d + 7)
Xray vision glasses = 2d - 5
Invisible shield = 10d + 1
Combined number of accessories sold :
6(d + 7) + (2d - 5) + (10d + 1)
6d + 42 + 2d - 5 + 10d + 1
18d + 38
If 5 dozens are sold
d = 5
Number of accessories sold :
18(5) + 38
90 + 38 = 128 dozens accessories
suppose an unincorporated village wishes to find the best locations for fire stations. assume that the village is divided into smaller districts or neighborhoods and that transportation studies have estimated the response time for emergency vehicles to travel between each pair of districts. the village wants to locate the fire stations so that all districts can be reached within an 8-minute response time. the following table shows the estimated response time in minutes between each pair of districts. from/to1234567 1021061258 2206911710 3106055126 46950943 51211590108 6571241006 781063860 where should the fire stations be located to minimize the number of stations that need to be built?
The fire stations should be located in District 1 and District 4.
This will ensure that all districts can be reached within an 8-minute response time, while minimizing the number of stations needed.
To minimize the number of fire stations needed while ensuring an 8-minute response time, follow these steps:
1. Analyze the table and find districts with response times of 8 minutes or less to all other districts.
2. Identify any districts that are not covered by these districts and repeat step 1 for them.
3. Combine the results to determine the optimal locations for fire stations.
From the table:
1. District 1 has a response time of 8 minutes or less to districts 2, 3, 5, and 6.
However, it doesn't cover districts 4 and 7.
2. District 4 has a response time of 8 minutes or less to districts 1, 2, 3, 5, 6, and 7.
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Solve the triangle.
A= 108° C=27° c = 160
if angle A is 108 degrees, angle B is 27 degrees then angle C is 45 degrees.
What is Triangle?A triangle is a three-sided polygon that consists of three edges and three vertices.
Given that angle A is 108 degrees
Angle B is 27 degrees
We need to find angle C
By angle sum property we know that the sum of three angles is 180 degrees
108+27+x=180
135+x=180
Subtract 135 from both sides
x=180-135
x=45 degrees
Hence, if angle A is 108 degrees, angle B is 27 degrees then angle C is 45 degrees.
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In a triangle ABC, Find the angle C when angle A= 108° ,B=27° .
what is the solution to the problem expressed to the correct number of significant figures? 2.13 1
The solution to the problem expressed to the correct number of significant figures is, 2.13 + 1 = 3
Given that,
The solution to the problem expressed to the correct number of significant figures,
2.13 + 1 = ?
Unit is a quantity of constant magnitude which is used to measure the magnitudes of other quantities of the same manner.
Unit can be defined as the rightmost position in a number or the one's place. Here, 3 is the unit's number in the number 6713. A unit may also mean the standard units used for measurement.
You must round your answer to the same "place" when adding values as the measurement with the last significant figure that is farthest to the left.
= 2.13
= +1
= 3.13
The “1” has its last significant figure furthest to the left, so you round off the number to the “units" place. That's the last column that the measurements share.
3.13 → 3 (rounded to the "units" place)
Therefore,
The solution to the problem expressed to the correct number of significant figures is, 2.13 + 1 = 3
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find the derivative dy/dx for y=x2-2x/x3+3
3. In the equation y=bx+a, which variable is the slope and which is the intercept? 4. Given speed and stopping distance, which is the dependent variable, which is the independent variable? other, and the alternate hypothesis is that there will be an influence of one variable on another.
3. In the equation y = bx + a, the variable "b" represents the slope, and "a" represents the intercept.
4. The speed is considered the independent variable .
3. In a linear equation of the form y = mx + c (where m is the slope and c is the y-intercept), the equation y = bx + a is written in a slightly different format. The variable "b" is equivalent to the slope "m" in the traditional equation, and "a" represents the intercept. The slope (b) determines the rate at which the dependent variable (y) changes with respect to the independent variable (x), while the intercept (a) represents the value of y when x is zero.
4. Given speed and stopping distance, which is the dependent variable, which is the independent variable?
In the context of speed and stopping distance, the dependent variable would typically be the stopping distance, and the independent variable would be the speed.
The dependent variable is the one that is expected to change or be influenced by the independent variable. In this case, we assume that speed affects stopping distance. As the speed of a vehicle increases, it generally takes longer to bring the vehicle to a stop, resulting in a greater stopping distance. Therefore, stopping distance depends on the speed at which the vehicle is traveling.
Consequently, the speed is considered the independent variable since it can be controlled or varied, and we expect it to have an influence on the dependent variable, which is the stopping distance.
Alternate hypothesis:
The alternate hypothesis is formulated to suggest that there is an influence of one variable on another. In this scenario, the alternate hypothesis could be: "There will be a significant influence of speed on stopping distance."
By conducting an experiment or collecting data, one could test this hypothesis statistically to determine whether speed has a significant impact on stopping distance.
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The graph shows how the cost of flour depends on the amount purchased. image d4e51639499b482e8e204e442f36c002 What is the meaning of the point (0,0) on the graph? A. The cost of 0 pounds of flour is $0. B. The cost of 5 pounds of flour is $7. C. The flour costs 0 dollars per pound. D. The flour costs 00 dollars per pound.
Answer:
A. The cost of 0 pounds of flour is $0.Step-by-step explanation:
The graph is not attached.
But as per description this is a direct relationship.
The formula:
y = kxPoint (0, 0) is the start point when both the domain and range are equal to zero.
Correct option is A
My daughter created this account and i need help canceling. she has already graduated from high school and services are no longer needed.
To cancel the account, contact customer support and provide necessary details. Verify ownership, request cancellation, follow instructions, and keep confirmation of cancellation.
1. Contact customer support: Reach out to the customer support team of the service provider through their official channels. Look for their contact information on their website or in the account settings section.
2. Provide necessary details: When contacting customer support, explain the situation and provide any required information, such as the account username, email address, or any other identifying details associated with the account.
3. Verify ownership: The customer support team may ask for verification to ensure that you are the rightful owner of the account. Be prepared to provide any necessary documents or proof of ownership.
4. Request cancellation: Clearly state your intention to cancel the account and ask the customer support representative to assist you with the process. They will guide you through the necessary steps to close the account.
5. Follow instructions: Carefully follow any instructions provided by the customer support representative to complete the cancellation process. This may involve confirming your decision through an email or clicking on a cancellation link.
6. Confirmation of cancellation: After completing the cancellation steps, you should receive a confirmation email or notification from the service provider indicating that the account has been successfully canceled. Keep this confirmation for future reference.
Remember to keep any relevant documentation or communication related to the cancellation process in case you need it for reference or to resolve any potential issues that may arise.
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The list below displays the number of different burgers sold at Joe's restaurant during
one shift.
.
Cheese: 10
Double Meat: 6
Triple Meat: 5
Jalapeno: 4
If this trend continues, how many cheese or jalapeno burgers did they sell if the total
burgers sold were 150?
F 72
G 84
H 96
100
5(3+6) < 40
Solve the inequality
Answer:
Step-by-step explanation:
What is the approximate probability of exactly two people in a group of seven having a birthday on April 15? (A) 1.2 x 10^-18 (B) 2.4 x 10^-17 (C) 7.4 x 10^-6 (D) 1.6 x 10^-4
The approximate probability of exactly two people in a group of seven having a birthday on April 15 is (C) \(7.4 x 10^-^6\)
How we get the approximate probability?To calculate the probability of exactly two people in a group of seven having a birthday on April 15, we can use the binomial distribution formula:
\(P(X = k) = C(n, k) * p^k * (1 - p)^(^n^-^k^)\)
Where:
P(X = k) is the probability of exactly k successes (in this case, k = 2)n is the number of trials (in this case, n = 7)p is the probability of success in a single trial (in this case, p = 1/365, assuming that all days of the year are equally likely for a birthday)C(n, k) is the binomial coefficient, which represents the number of ways to choose k items from a set of n items (in this case, C(7, 2) = 21)So, plugging in the values, we get:
\(P(X = 2) = C(7, 2) * (1/365)^2 * (1 - 1/365)^(7 - 2)\)
\(= 21 * (1/365)^2 * (364/365)^5\)
\(= 2.38 x 10^-5\)
The probability of exactly two people in a group of seven having a birthday on April 15 can be calculated using the binomial distribution formula.
The formula takes into account the number of trials, the probability of success in a single trial, and the number of successes desired.
In this case, we want to find the probability that exactly two people in a group of seven have a birthday on April 15, assuming that all days of the year are equally likely for a birthday.
Plugging in the values into the formula gives us an approximate probability of \(7.4 x 10^-^6\), which is the answer (C).
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pleeease help will give brainliest
Answer:
2x,5x
Step-by-step explanation:
thats right I am not smart
Answer:
(x,y) = ( -6,8)
Step-by-step explanation:
waiting for brainlist
Can someone please help me I need help i will mark brainlist
Answer:
its no because
Step-by-step explanation:
27/3=9
35/4=8.75
HELP ME PLEASE!!!!!!
Beth enlarged the triangle below by a scale of 5. She found the area of the enlarged triangle. Her work is shown below.
What was Beth’s error?
She should have divided One-half (4) (3.5) by 5.
She should have divided One-half (4) (3.5) by 5 squared.
She should have multiplied (4) (3.5) by 5.
She should have multiplied One-half (4) (3.5) by 5 squared.
Answer:
The possible error made by Beth is directly multiplying scale of 5 to area of original triangle and getting area of enlarged triangle, which is wrong.
Step-by-step explanation:
Originally Triangle has height =3.5cm and width=4cm
Beth enlarged the same triangle by scale of 5 and calculate area of triangle
The area of triangle as given as A= $$\frac{1}{2} \texrm{ (base) (height)}$$
Area of original triangle is A =$$\frac{1}{2}(3.5 \times 4)$$
Since, The triangle is enlarged by scale of 5
New height =3.5x5 = cm and new width=4x5cm
Area of new triangle is
A' = $$\frac{1}{2} (\textrm{new width} ) ( \textrm{new height})$$
A' = $$\frac{1}{2}(3.5 \times 5)(4\times 5)$$
A' = $$\frac{1}{2}(3.5 \times 4)(5^{2})$$
A' = $$A (5^{2})$$
Now, Looking what error beth made is:
Beth found Area of new triangle is A' = $$\frac{1}{2}(3.5)(4)(5)$$
The possible error made by Beth is directly multiplying scale of 5 to area of original triangle and getting area of enlarged triangle, which is wrong.
Answer:
b
Step-by-step explanation:
urgent help needed plsss
Answer:
i think its a mirror
Step-by-step explanation:
mark as brainliest if its crct
t - 26 = -21
Solve for T
Answer:
t = 5
Step-by-step explanation:
t - 26 = -21
t - 26 + 26 = -21 + 26
t = 5
Answer:
t = 5
Step-by-step explanation:
t - 26 = - 21 ( add 26 to both sides )
t = - 21 + 26 = 5
Which of the Following is an example of a claim?
A. Uniforms are good for students.
B. Uniforms come in many shapes and sizes.
C. Uniforms are made by people using sewing machine.
D. I like my Uniform.
B. Uniforms come in many shapes and sizes.
A survey indicates that there are approximately 120 dairy farms in a given area. If there are exactly 400 farms, and exactly 20% of them are dairy farms, what is the percent error? Fill in the table below.
Answer:
a = 120
b = 80
c = 40
d = 0.5
e = 50%
Step-by-step explanation:
Answer:
he is right
Step-by-step explanation:
A survey indicates that there are approximately 120 dairy farms in a given area. If there are exactly 400 farms, and exactly 20% of them are dairy farms, what is the percent error? Fill in the table below.
a =
✔ 120
b =
✔ 80
c =
✔ 40
d =
✔ 0.5
e =
✔ 50%