Answer:
$2.5
Step-by-step explanation:
Given:
Hours worked per week = 12
Original pay = $8 per hour
Increase in pay = $x per hour
y = 12(8+x)
Where,
y = total weekly pay
If Denise earned $126 last week, what was the amount of Denise's raise per hour?
y = 12(8+x)
126 = 12 (8 + x)
126 = 96 + 12x
126 - 96 = 12x
30 = 12x
Divide both sides by 12
x = 30 / 12
= 2.5
x = $2.5
The amount of Denise's raise per hour is $2.5
Make 'y' the subject of the formula: 17t+3hy=24
Answer:
y=\(\frac{24-17t}{3h}\)
Step-by-step explanation:
Hi there!
We are given the formula 17t+3hy=24
We want to make y the subject of the formula, which also means that we want to solve the equation for y
To do that, we'll need to isolate y on one side, much like solving for an equation with real numbers.
Let's first subtract 17t from both sides.
17t+3hy=24
-17t -17t
___________
3hy=24-17t
Now on the left, we have 3hy, but remember; we want just y by itself. Once again, similar to solving an equation with real numbers, we can pretend that 3h is the coefficient of the equation, while y is our variable.
So to get y by itself, we'll need to divide both sides by 3h
y= \(\frac{24-17t}{3h}\), which can also be written as y=\(\frac{8}{h} -\frac{17t}{3h}\)
Hope this helps!
Solve in Multi Step (Show work)
-2x + 5 = -6
Answer:
5.5
Step-by-step explanation:
-2x + 5 = -6
subtract -5 from -6 then divide by -2
i hope i explained it well.
Answer: 5.5 is your answer.
Step-by-step explanation:
1) -2x + 5 -5 = -6 -5 <------Subtract 5 from 5 and 5 from -6.
2) -2/-2 x = -11/-2 <---------------Now divide -2 by -2 and divide -2 by -11.
3) x = 5.5 <-------------And this is your answer.
Hope this helped! Have a great day! :).
will mark brainliest if you mark me brainliest
Answer:
what you want me to mark you brainiest on? i can create a new question if you want
oh and thank you for the points
Step-by-step explanation:
Answer:
It doesn't work like that.
Step-by-step explanation:
The guy below explains it in detail
After you both have bought some items you decide its time for some candy at the candy store. you decide to buy 5 and 1/2 pounds of jelly beans your friend suggests that you share your jelly beans with your other friends tomorrow. you decide to give each friend 1/4 of a pound. how many friends can you share your jelly beans with? set up an expression to find the number of friends you can share it with____.
5 and 1/2 pounds of jelly beans can be shared with 22 friends.
The process of converting phrases into equations and then solving those equations is known as solving algebraic word problems. Simple arithmetic procedures will be all that is required to write the equations. a single variable, and. In a real-world situation, the variable often stands for an unknowable quantity.
Given that,
Total pounds of jelly beans = five and a half pounds
Jelly beans to be given to each friend = 1/4 of a pound
Let x be the number of friends,
x = 5 and 1/2 pounds / 1/4 of a pound
Since 1 pound = 1/4 * 4
then, 5 and 1/2 pounds = 4*5 + 2 = 22
Therefore, 5 and 1/2 pounds of jelly beans can be shared with 22 friends.
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Given that,
Total pounds of jelly beans = five and a half pounds
Jelly beans to be given to each friend = 1/4 of a pound
Let x be the number of friends,
x = 5 and 1/2 pounds / 1/4 of a pound
Since 1 pound = 1/4 * 4
then, 5 and 1/2 pounds = 4*5 + 2 = 22
Therefore, 5 and 1/2 pounds of jelly beans can be shared with 22 friends.
Please help me with these questions
The values of x and y to make the polygon a parallelogram are given as follows:
x = 21.y = 20.Then the length of VT is given as follows:
VT = 150.
How to obtain the values of x and y?In a parallelogram, the diagonals are congruent.
Then we have that RM = MW, hence the value of x is obtained as follows:
4x = 84
x = 84/4
x = 21.
We also have that VM = MT, hence the value of y is obtained as follows:
3y + 15 = 75
3y = 60
y = 60/3
y = 20.
Then the length of VT is obtained as follows:
VT = 2VM
VT = 150.
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Explain it or I will not be accepting your answer.
Answer:
$10 an hour
Step-by-step explanation:
You go to the one hour than go up to where the line is and find out what the number is
Answer:
Step-by-step explanation:
Ok, so to solve this problem, you need to find the slope of the line. You know this is what you need to find because units for slope is the y-axis units (dollars) divided by the x-axis units (hours), and your answer must be in dollars per hour based on the question. To find your slope, you use the formula (y2-y1)/(x2-x1). Basically, pick any two points on the graph. I will use (2,20) and (4,40). Now, find the change in x (4 - 2, or 2) and the change in y (40 - 20, or 20) and divide the change in y by the change in x (20/2) to get your answer.
I NEED HELP ASAP (will give brainiest) 20 POINTS
Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage rate of increase or decrease.
y=65(1.25)^x
Answer:
the anwser is y=5600
I'm going to just go by this because of research and you didn't show the 4 problems so if this fixes your question then there you go
Answer:
growth
25% increase
Step-by-step explanation:
since the number in the parentheses is above 1 the change is a growth
percent change: do
(V2-V1) / V1 x 100= 25%
V2 is 81.25 which the point if x is 1. And V1 is 65 which is the y-intercept.
How would this circle proof be set up?
Answer:
Step-by-step explanation:
Given: Circle O with BT as a tangent at point B.
T is the midpoint of arc CD.
To prove: (CA)(TB) = (TA)(CT)
Since point T is the midpoint of arc CD,
Therefore, m(arc CT) = m(arc TD)
and m∠CAT ≅ m∠DAT
m(∠ACT) = 90° [Angle subtended by the diameter]
By applying tangent rule in triangles ACT and ABT,
tan(∠CAT) = \(\frac{CT}{CA}\)
Similarly, tan(∠BAT) = \(\frac{TB}{TA}\)
Since tan(∠CAT) = tan(∠BAT)
Therefore, \(\frac{CT}{CA}=\frac{TB}{TA}\)
(CA) × (TB) = (CT) × (TA)
Hence proved.
PLEASE HELP!! this is ratios
Answer:
1. 8:5
2. 17;4
3. 23:6
4. I don't know
A backpack that normally sells for $39 is on sale for $25. Find the
percent of change.
Answer: To find the discount, simply multiply the original selling price by the %discount:
ie: 39 x 33/100= $12.87
So, the discount is $12.87.
Step-by-step explanation: To find the sale price, simply minus the discount from the original selling price:
ie: 39- 12. 87= 26.13
So, the sale price is $26.13
Question 10 (Mandatory) (2 points)
Patrick borrows $1400 from a bank with 10% simple interest each year. How much
will Patrick need to pay back in total in 2 years?
$1,680
$1,400
$280
$10
(WILL GIVE BRAINLIEST)
Answer:
1,680
Step-by-step explanation:
I just took the test
Answer:
sry I just wanted the points I'm in middle school so I don't know this stuff either but can you give free brainlyest I'm soo close to my next rank I'd really appreciate it if you would
The figure below shows the letter Z and four of its transformed images-A, B, C, and D: A coordinate plane is shown. The letter Z has endpoints at negative 6 comma 3, negative 6 comma 1, negative 4 comma 1 and negative 4 comma 3 and has a diagonal line that goes from top right to bottom left in between. A is a shape that has endpoints at 4 comma 3, 4 comma 1, 6 comma 3 and 6 comma 1 and has a diagonal line that goes from top left to bottom right. B has endpoints at negative 6 comma negative 1, negative 6 comma negative 3, negative 4 comma negative 1 and negative 4 comma negative 3 and has a diagonal line that goes from top right to bottom left. C has endpoints at negative 3 comma negative 1, negative 3 comma negative 3, negative 1 comma negative 1, negative 1 comma negative 3, and has endpoints that go from top left to bottom right. D has endpoints at 2 comma negative 1, 2 comma negative 3, 4 comma negative 1, and 4 comma negative 3 and has a diagonal that goes from top right to bottom left. Which of the four images was formed by a reflection of the letter Z? (5 points) A B C D
Answer:its c
Step-by-step explanation:
Answer:
The answer is A
Step-by-step explanation:
The answer is A because a reflection would be Reflected so its on the right side of the graph and the Z is facing the other way as if it were a literal reflection which it is.
Hope my awkward way of explaining this helps you on your test since i just passed mine and it said A was correct.
The time taken by a student to finish a statistics exam can be modeled using the following cumulative distribution function: F(x) = 1 - e^-0.9, x > 0 Suppose that the time taken for a student to finish the exam is constant from student to student. Then the mean number (to the nearest whole number) of students who will finish the exam in less than 1 hour for 12 students randomly selected is equal to: a 7 b 8 c None of the other options
d 6
The time taken by a student to finish a statistics exam can be modeled using the following cumulative distribution function: F(x) = 1 - e^-0.9, x > 0
Suppose that the time taken for a student to finish the exam is constant from student to student.
Then the mean number (to the nearest whole number) of students who will finish the exam in less than 1 hour for 12 students randomly selected is 7
.Step-by-step explanation:
The cumulative distribution function is given by, F(x) = 1 - e^-0.9, x > 0
Now, let X be the time taken by a student to finish the statistics exam
Then, X ~ Exp (0.9 )
We know that the cumulative distribution function (CDF) of the exponential distribution with parameter λ is given by,F(x) = P(X ≤ x) = 1 - e^(-λx) , x > 0Here, λ = 0.9.
Therefore, the CDF of X is given by,F(x) = P(X ≤ x) = 1 - e^(-0.9x) , x > 0
The probability that a student finishes the exam in less than 1 hour is, P(X ≤ 1) = F(1) = 1 - e^(-0.9) ≈ 0.5271
This means that out of 12 students randomly selected,
The expected number of students who finish the exam in less than 1 hour is,μ = np= 12 × 0.5271≈ 6.3252
Hence, the mean number (to the nearest whole number) of students who will finish the exam in less than 1 hour for 12 students randomly selected is 7.
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hat helps you learn core concepts.
See Answer
Question: A Subset A Of X Is Called An "Equivalence Class" Of ∼ If For All A1, A2 ∈ A We Have That A1 ∼ A2, But Also That For All A ∈ A And B ∈ (X \ A), A And B Are Not Equivalent. (A): Define A Relation On The Integers Such That ARb When A − B Is Even. Prove That This Is An Equivalence Relation. (B): Let A Be Any Set And Consider A Function F From A To A. Define A
A subset A of X is called an "equivalence class" of ∼ if for all a1, a2 ∈ A we have that a1 ∼ a2, but also that for all a ∈ A and b ∈ (X \ A), a and b are not equivalent.
(a): Define a relation on the integers such that aRb when a − b is even. Prove that this is an equivalence relation.
(b): Let A be any set and consider a function f from A to A. Define a relation such that a1Ra2 when f(a) = f(b). Prove that this is an equivalence relation.
(c): What are the equivalence classes in the above examples?
(d): Is the relation xRy when |x − y| < 2 an equivalence relation?
(e): Given an equivalence relation on X, can an element of X be a member of more than one equivalence class?
The main goal of learning the core concepts is to learn the basics of a subject and develop a solid foundation.
Core concepts are the basic ideas and principles that define a field or subject. Once you have a solid understanding of these concepts, you can build upon them and begin to understand more complex ideas and theories.
In order to learn the core concepts, it is important to study the material thoroughly and practice solving problems related to the concepts.
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PLEASE PLEASE PLEASE HELP MEEE!
Answer:
1: 2
3: 14
10: 56
Step-by-step explanation:
Just a simple equation.
Josiah plants vegetable seeds in rows. Each row has the same number of seeds in it. He plants more than one row of seeds. What could be the total number of seeds he plants?
The total number of seeds that Josiah would plant would be = nR×S
How to determine the total number of seeds that Josiah will plant?To determine the total number of seeds that Josiah will plant will be to add the seeds in the total number of rooms he planted.
Let each row be represented as = nR
Where n represents the number of rows planted by him.
Let the seed be represented as = S
The total number of seeds he planted = nR×S
Therefore, the total number of seeds that was planted Josiah would be = nR×S.
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Can someone help me find the area of this ? If you can thank you so much , it's been awhile since I've done it
Answer:
185
Step-by-step explanation:
Hope this helps
Which operator should be used to determine if a number is evenly divisible by 5?
Answer:
the answer would be a % because of the divisibility rule
The groundbreaking mathematical paper known as the Charles-McKellar-Winn theorem was co-authored by a former star of which TV show
Danica McKellar shot to stardom at age 13 when she landed the role of Winnie Cooper in the hit drama The Wonder Years.
Danica Mae McKellar is an American actress, writer, and supporter of education who was born on January 3, 1975. From 1988 to 1993, she portrayed Winnie Cooper in the TV show The Wonder Years, and since 2010, she has provided the Miss Martian voice in the animated superhero series Young Justice.
For many years, McKellar has denied that Winnie and Kevin shared a bed in the climactic episode. However, when shown a footage from last night, she responded, "Yeah, they definitely did." That was a lot of kissing, Savage acknowledged.
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use the chain rule to find dz/dt. z = tan−1(y/x), x = et, y = 9 − e−t
The rate of change of z with respect to t is given by [9e^t - e^(2t) - e^(-t)] / (e^(2t) + (9 - e^(-t))^2).
To use the chain rule to find dz/dt, we first need to find the partial derivatives of z with respect to x and y.
∂z/∂x = 1/(1 + (y/x)^2) * (y/x^2) = y/(x^2 + y^2)
∂z/∂y = -1/(1 + (y/x)^2) * (1/x) = -x/(x^2 + y^2)
Now we can apply the chain rule:
dz/dt = ∂z/∂x * dx/dt + ∂z/∂y * dy/dt
Substituting in the given values:
dx/dt = e^t
dy/dt = e^(-t)
x = e^t
y = 9 - e^(-t)
∂z/∂x = y/(x^2 + y^2) = (9 - e^(-t)) / (e^(2t) + (9 - e^(-t))^2)
∂z/∂y = -x/(x^2 + y^2) = -e^t / (e^(2t) + (9 - e^(-t))^2)
Substituting these into the chain rule formula:
dz/dt = [(9 - e^(-t)) / (e^(2t) + (9 - e^(-t))^2)] * e^t + [-e^t / (e^(2t) + (9 - e^(-t))^2)] * e^(-t)
Simplifying:
dz/dt = [9e^t - e^(2t) - e^(-t)] / (e^(2t) + (9 - e^(-t))^2)
Therefore, the rate of change of z with respect to t is given by [9e^t - e^(2t) - e^(-t)] / (e^(2t) + (9 - e^(-t))^2).
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given a list of a finishing times at a marathon, which function should you use to rank each runner's place based on these finishing times?
Answer:
Below
Step-by-step explanation:
Rank in order of SHORTEST time to LONGEST time ....
shorter times mean the runner was faster to the finish line.
A board 180 cm long is cut into two pieces such that 3 times the length of the larger piece is 85 cm longer than 4 times the length of the smaller piece. How long are the two pieces of board?
Answer:
smaller piece is 65cm
larger piece is 115cm
Step-by-step explanation:
let 's' = smaller piece
let '180-s' = larger piece
3(180-s) = 85 + 4s
540 - 3s = 85 + 4s
540 = 85 + 7s
455 = 7s
s = 455/7 which is 65cm
larger piece = 180-65 or 115cm
Solve one fourth ÷ 7 = __
Answer:
1/28
Step-by-step explanation:
1/4 divided by 7 is 1/28
4x7 is 1/28
What is the solution to
{y=14x+3y=2x+10
Answer:
The solution is (\(\frac{7}{12}\) , \(\frac{67}{6}\))
Step-by-step explanation:
∵ y = 14x + 3 ⇒ (1)
∵ y = 2x + 10 ⇒ (2)
→ Equate equations (1) and (2) to find x
∵ 14x + 3 = 2x + 10
→ Subtract 2x from both sides
∴ 14x - 2x + 3 = 2x - 2x + 10
∴ 12x + 3 = 10
→ Subtract 3 from both sides
∴ 12x + 3 - 3 = 10 - 3
∴ 12x = 7
→ Divide both sides by 12 to find x
∵ \(\frac{12x}{12}\) \(\frac{7}{12}\)
∴ x = \(\frac{7}{12}\)
→ Substitute the value of x in equation (1) or (2) to find y
∵ y = 2(\(\frac{7}{12}\)) + 10
∴ y = \(\frac{7}{6}\) + 10
∴ y = \(\frac{67}{6}\)
∴ The solution is (\(\frac{7}{12}\) , \(\frac{67}{6}\))
Solve: -8 = -7 + x X =
Answer:
Your question is not correct.
A traditional children’s riddle concerns a farmer who
is traveling with a sack of rye, a goose, and a mischievous dog.
The farmer comes to a river that he must cross from east to west. A
boat is ava
The riddle mentioned in the question is about a farmer who is traveling along with a sack of rye, a goose, and a mischievous dog.
He comes to a river that he must cross from east to west, and there is a boat available to do so. Therefore, the farmer takes the goose back to the east side and leaves it there. He then takes the sack of rye across the river, drops it off with the dog, and goes back to the east side to pick up the goose. In this manner, all of the farmer's possessions can be safely transported across the river without any of them being lost to the dog or the goose.This riddle is a classic example of a type of logical puzzle known as a "transport problem."
The goal of a transport problem is to determine how to transport one or more objects from one location to another while satisfying certain constraints, such as the size of the transport vehicle or the safety of the objects being transported.
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an automobile manufacturer claims that their van has a 57.2 miles/gallon (mpg) rating. an independent testing firm has been contracted to test the mpg for this van. after testing 91 vans they found a mean mpg of 56.9 with a standard deviation of 1.8 mpg. is there sufficient evidence at the 0.025 level that the vans underperform the manufacturer's mpg rating? state the null and alternative hypotheses for the above scenario.
The null and alternative hypotheses for the above scenario are
H0: Their van has a miles/gallon (MPG) rating equal to 57.2 miles/gallon
Ha: Their van has a miles/gallon (MPG) rating that is different from 57.2 miles/gallon
Given that,
One automaker says that their van gets 57.2 miles per gallon (mpg). An impartial testing business has been hired to evaluate the mpg for this van. They tested 91 vans, and the results showed that the average mileage was 56.9 with a standard deviation of 1.8 mpg. Is there adequate proof that the vans don't meet their mpg rating at the 0.025 level
To find: state the null and alternative hypotheses for the above scenario.
The null and alternative hypotheses for the above scenario are
H0: Their van has a miles/gallon (MPG) rating equal to 57.2 miles/gallon
Ha: Their van has a miles/gallon (MPG) rating that is different from 57.2 miles/gallon
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Multiple Choice
Which equation represents the relationship shown in the table below?
A two column table is shown. The first column is titled 'x' and contains the values 0, 1, 2, and 3 from top to bottom. The second column is titled 'y' and contains the values negative 3, negative 1, 1, and 3 from top to bottom.
A. y = –x – 3
B. y = x – 3
C. y = 2x − 3
D. y = –2x + 3
Help please, I need this ASAP! I'll mark Brainliest!
Answer:
c is your answer to the question
me ayudan: un equipo ha marcado 68 goles y ha encajado 44 cual es la razon entre las dos cantidades
The ratio that is between the two numbers is 17:11.
What is ratio?Ratio demonstrates how many times one number can fit into another number. Ratios contrast two numbers by ordinarily dividing them. A/B will be the formula if one is comparing one data point (A) to another data point (B).
In this situation, a team has scored 68 goals and conceeded 44.
Therefore the ratio will be:
= Number of goals / Number conceeded
= 68/44
= 17/11
= 17:11
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what is the answer i need help
Answer:
\(f( - 1) = - 2\)
Step-by-step explanation:
\(f(x) = - {x}^{2} + x \\ f( - 1) = - {( - 1)}^{2} + ( - 1) \\ = - (1) + ( - 1) \\ = - 1 - 1 \\ f( - 1)= - 2\)
I hope I helped you^_^