7grades had a carnival to raise money for a firld trip. these are income and expenses for carnival. how much was raised? games $650, tables $525, decorations -$60 and prizes -$400.how much was raiseda $715b $1175c $934d $598
Answers
Answer: a. $715
Explanation:
The list of incomes is:
Games: $650
Tables: $525
So, the total income is:
\(\begin{gathered} Income=650+525 \\ Income=1,175 \end{gathered}\)And the list of expenses is:
Decorations: -$60
Prizes: -$400
So, the total amount of expenses is:
\(\begin{gathered} Expenses=$60$+$400$ \\ Expenses=460 \end{gathered}\)To calculate the amount that was raised we need to substract the expenses from the income:
\(\begin{gathered} =1,175-460 \\ =715 \end{gathered}\)The answer is: a. $715
Related Questions
Help!!!!!!!!!!!!!!!!!!!!!
Answers
Answer:
10x + 20
Step-by-step explanation:
ok 1st you know whatever you do the sides you gotta do to the side across from it so 1st easy thing is add the 2x values from the sides then your 3x+10 multiply it by 2 thats your answer then add the value up
The coordinates of a triangle are (1, 4), (3,5), and (0,8). The coordinates of the translated triangle are (3,5), (5, 6), and (2, 9). Find the translation vector.
Answers
Since the coordinates of the translated triangle are (3,5), (5, 6), and (2, 9), the translation vector is (x, y) → (x + 2, y + 1).
What is a translation?In Mathematics, the translation a geometric figure or graph to the right simply means adding a digit to the value on the x-coordinate of the pre-image while the translation a geometric figure or graph upward simply means adding a digit to the value on the y-coordinate (y-axis) of the pre-image.
By translating the pre-image of this triangle vertically upward by 1 unit and horizontally right by 2 units, the coordinates of the image include the following:
(x, y) → (x + 2, y + 1)
(1, 4) → (1 + 2, 4 + 1) = (3, 5).
(3, 5) → (3 + 2, 5 + 1) = (5, 6).
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As a fundraiser the student council sword chances to guess the number of jellybeans in a jar. Kaylee won the raffle with a guess of 370 jellybeans even though there were actually 400 jellybeans in the jar
What was Kaylee‘s percent error?
Please explain how you got the answer and add the actual answer again thank you
(Giveing Brainly and worth 50 points!!!!)
Answers
Answer:
7.5%
Step-by-step explanation:
\(\mathsf{percent\ error=\dfrac{|Approximate\ value -Exact\ value|}{|Exact\ value|}\times100 \%}\)
(the | | means "absolute value" ⇒ negative becomes positive)
Given:
Approximate value = 370Exact value = 400\(\implies \mathsf{percent\ error=\dfrac{|370 -400|}{|400|}\times100 \%}\)
\(\implies \mathsf{percent\ error=\dfrac{30}{400}\times100 \%}\)
\(\implies \mathsf{percent\ error=7.5 \%}\)
Now
Percentage error
\(\\ \rm\rightarrowtail \dfrac{Error}{Actual}(100)\)
\(\\ \rm\rightarrowtail \dfrac{30}{400}(100)\)
\(\\ \rm\rightarrowtail 7.5\%\)
The thermosphere layer of the atmosphere is between 90,000 and 110,000
meters above sea level. Which of the following elevations are in the
thermosphere? Select yes or no.
a. 9.8 x 10^-4 yes or no
b. 1.04 x 10^5 yes or no
c. 9.72 × 10^4 yes or no
d. 1.45 x 10^5 yes or no
Answers
Answer:
b yes c yes
Step-by-step explanation:
9.72 × 10^4 = 97200
1.04 x 10^5 = 104000
If the triangle is reflected across the y-axis, what will be the coordinate of point A’?
plssss huryyyyyyyy i need answer
Answers
Answer:
A' (1,1)
Step-by-step explanation:
In stead of being one unit to the left of the y axis (at point (-1,1), the point will now be one unit to the right of the y axis (1,1)
Find all points on the x-axis that are 16 units from the point (5,-8)
Answers
To find all points on the x-axis that are 16 units away from the point (5, -8), we can use the distance formula. The distance between two points (x₁, y₁) and (x₂, y₂) is given by the formula:
d = √((x₂ - x₁)² + (y₂ - y₁)²)
In this case, the y-coordinate of the point (5, -8) is -8, which lies on the x-axis. So, any point on the x-axis will have a y-coordinate of 0. Let's substitute the given values and solve for the x-coordinate.
d = √((x - 5)² + (0 - (-8))²)
Simplifying:
d = √((x - 5)² + 64)
Now, we want the distance d to be equal to 16 units. So, we set up the equation:
16 = √((x - 5)² + 64)
Squaring both sides of the equation to eliminate the square root:
16² = (x - 5)² + 64
256 = (x - 5)² + 64
Subtracting 64 from both sides:
192 = (x - 5)²
Taking the square root of both sides
√192 = x - 5
±√192 = x - 5
x = 5 ± √192
Therefore, the two points on the x-axis that are 16 units away from the point (5, -8) are:
Point 1: (5 + √192, 0)
Point 2: (5 - √192, 0)
In summary, the points on the x-axis that are 16 units away from the point (5, -8) are (5 + √192, 0) and (5 - √192, 0).
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Let register x5 hold the hex number 01a74cd0hex and let x6 hold the hex number 00467b44 hex. If this information is enough, then answer the following three questions, else explain what extra information you may need to proceed.a) (1.5 pts) What are the contents of register x31 after the following instruction is executed? addi x31, x5, 32
b) (1.5pts) What would be the contents of register x28 after the following instruction is executed? add x28, x5, x6
c) (1.5 pts) What would be the contents of register x29 after the following instruction is executed? ld x29, 1056decimal (x30)
d) (1.5 pts) What would be the contents of register x29 after the following instruction is executed? sd x28, 16 decimal (x29)
Answers
a) The contents of register x31 after the following instruction is executed? addi x31, x5, 32 is 277968880 decimal.
b) The contents of register x28 after the following instruction is executed is 278427652 decimal.
c)The contents of register x29 after the following instruction is executed is 1056 decimal
d) The contents of register x29 after the following instruction is executed is 278427652 decimal
In computer architecture, registers are special storage locations within the CPU that hold data temporarily. These registers can hold values in binary, decimal, or hexadecimal formats. In this scenario, we have two registers x5 and x6, holding hexadecimal values. We will use these values to answer the given questions about register manipulation.
a) To determine the contents of register x31 after the instruction "addi x31, x5, 32", we need to add 32 to the value in x5 and store the result in x31. The value in x5 is 01a74cd0hex, which is equivalent to 277968848 in decimal. Adding 32 to this value, we get 277968880 decimal. Therefore, the contents of register x31 after the instruction is executed would be 277968880 decimal.
b) To determine the contents of register x28 after the instruction "add x28, x5, x6", we need to add the values in x5 and x6 and store the result in x28. The value in x5 is 01a74cd0hex, which is equivalent to 277968848 decimal. The value in x6 is 00467b44hex, which is equivalent to 458804 decimal. Adding these two values, we get 278427652 decimal. Therefore, the contents of register x28 after the instruction is executed would be 278427652 decimal.
c) To determine the contents of register x29 after the instruction "ld x29, 1056decimal (x30)", we need to load the value at memory location 1056decimal + the value in register x30 into register x29. The value in register x30 is not given in this scenario, so we cannot determine the contents of register x29.
d) To determine the contents of register x29 after the instruction "sd x28, 16 decimal (x29)", we need to store the value in register x28 at memory location 16 decimal + the value in register x29. The contents of register x28 is 278427652 decimal
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HELP ASAP what's the reason for statement 3, WILL GIVE BRAINLIEST
Answers
Answer:
From prove
Step-by-step explanation:
from prove
Explanation
Two angles are called complementary when their measures add to 90 degrees
At a meeting for math enthusiasts, two entrance fees are charged. Anyone who knows the code word “algemath” only pays 2 euros. Those who are unlucky and do not know the code word pay three euros more. You know that 7338 people were present and that the cashier received 17487 euros. How many people knew the password?
Answers
Number of People who knows the Code are 6401
What is Linear Equation in Two Variable?
A linear equation in two variables is one that is stated in the form ax + by + c = 0, where a, b, and c are real integers and the coefficients of x and y, i.e. a and b, are not equal to zero.
Solution:
Let, Number of People who kows the Code be x
Number of Peoplee who do not know the Code be y
According to the Question:
x + y = 7338 ----------(i)
2x + 5y = 17487 ----------(ii)
Multiplying Equation (i) by 2
2x + 2y = 14676 ---------(iii)
Substracting Equation (iii) from Equation (ii)
3y = 2811
y = 937
This means x = 6401
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A system of two linear equations is shown below.
Answers
Answer:
i dont see it
Step-by-step explanation:
The total cost of $4 sharpeners and $7 folders is $30.05. If the cost of a sharpener is $a, and a folder is $2.80 more expensive, find $a. Give your answer to two decimal places.
Answers
9514 1404 393
Answer:
a = $0.95
Step-by-step explanation:
The cost of a sharpener is 'a', and the cost of a folder is $2.80 more, so is a+2.80. The total cost of 4 sharpeners and 7 folders is ...
4a +7(a+2.80) = 30.05
11a = 10.45 . . . . . . . . . . . subtract 19.60
a = 0.95 . . . . . . . . . . . divide by 11
The cost of a sharpener is a = $0.95.
The function f(x) = 1.85x2 models the cost of a square carpet, where x is the length in feet. Find the average rate of change for f, to the nearest tenth, over the interval 10 ≤ x ≤ 20.
Answers
To find the average rate of change of the function f(x) = 1.85x^2 over the interval 10 ≤ x ≤ 20, we need to find the difference in the function values at the endpoints of the interval and divide by the length of the interval.
The function value at x = 10 is:
f(10) = 1.85(10)^2 = 185
The function value at x = 20 is:
f(20) = 1.85(20)^2 = 740
The length of the interval is:
20 - 10 = 10
So the average rate of change of the function over the interval 10 ≤ x ≤ 20 is:
(f(20) - f(10)) / (20 - 10) = (740 - 185) / 10 = 55.5
Rounding to the nearest tenth, the average rate of change of the function over the interval 10 ≤ x ≤ 20 is approximately 55.5.
Complete the statement. Round to the nearest hundredth if necessary. 9 mi $\approx$ km
Answers
Answer:
Step-by-step explanation:
Complete the statement. Round to the nearest hundredth if necessary.
9 mi ≈
km
Terrell sells clay pots. He sells 2 clay pots for $6, 3 clay pots for $9, and 4 clay pots for $12. What is the unit rate of dollars per clay pot?
A
1
B
2
C
3
D
4
Answers
Pls help me. How long is GH?
Answers
 Which of the following are solutions to the equation below?
Check all that apply.
x^2 - 8x + 16 = 5
A. x = -√5 - 4
B. x = √11 + 4
C. x = -√11 - 4
D. x = √5 - 4
E. x = -√5 + 4
F. x = √5 + 4
Answers
Answer:
The answer to your question is F
20. Sketch the level curve of the function f(x, y) that contains the point (5,0).
f(x, y) is shown in the picture attached.
Answers
At the given point,
\(f(5,0) = \dfrac1{\sqrt{5^2 + 0^2 - 9}} = \dfrac1{\sqrt{16}} = \dfrac14\)
Then the level curve is
\(\dfrac1{\sqrt{x^2 + y^2 - 9}} = \dfrac14 \\\\ \implies \sqrt{x^2 + y^2 - 9} = 4 \\\\ \implies x^2 + y^2 - 9 = 4^2 \\\\ \implies x^2 + y^2 = 25 = 5^2\)
which is a circle centered at the origin with radius 5 - quite easy to sketch.
The total for parking and an admission ticket
Answers
Answer:
Step-by-step explanation:
n+n
Answer:
n+n
Step-by-step explanation:
I think thats right
We are given a weighted coin (with one side heads, one side tails), and we want to estimate the unknown probability pp that it will land heads. We flip the coin 1000 times and it happens to land heads 406 times. Give answers in decimal form, rounded to four decimal places (or more). We estimate the chance this coin will land on heads to
Answers
Answer:
0.4060
Step-by-step explanation:
To calculate the sample proportion, phat, we take the ratio of the number of preferred outcome to the total number of trials ;
Phat = number of times coin lands on head (preferred outcome), x / total number of trials (total coin flips), n
x = 406
n = 1000
Phat = x / n = 406/ 1000 = 0.4060
The estimate of the chance that this coin will land on heads is 0.406
Probability is the likelihood or chance that an event will occur.Probability = Expected outcome/Total outcomeIf a coin is flipped 1000 times, the total outcomes will 1000
If it landed on the head 406 times, the expected outcome will be 406.
Pr(the coin lands on the head) = 406/1000
Pr(the coin lands on the head) = 0.406
Hence the estimate of the chance that this coin will land on heads is 0.406
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Which measurement is the same for Charles and Jermod?
median
Orange
Olower quartile
Oupper quartile
These dot plots show how many minutes Charles and Jermod spent on homework per day
for three weeks.
15 20 25 30
40 45 50 55 60
Charles's Homework (minutes per day)
15 20 25 30 35 40 45 50 55 60
Jermod's Homework (minutes per day)
Which measurement is the same for Charles and Jermod?
Answers
The measurement is the same for Charles and Jermod are lower quartile and upper quartile. Therefore, options C and D are the correct answer.
From the given dot plot.
The number of minutes Charles spent on homework.
15, 15, 20, 20, 25, 30, 30, 30, 30, 30, 45, 50, 55, 60, 60.
Here, lower quartile = 20
Upper quartile = 50
Median = 30
Range = 60-15
= 45
The number of minutes Jermod spent on homework.
15, 15, 15, 20, 20, 30, 35, 45, 45, 45, 50, 50, 55, 55.
Here, lower quartile = 20
Upper quartile = 50
Median = 45
Range = 55-15
= 40
Therefore, options C and D are the correct answer.
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Last night, 312 people attended the early showing of a theater movie. How many people attended the late showing if the attendance for both showing was 961 people?
Answers
961-312=649
If sin theta < 0 and cot theta < 0, which quadrant(s)
could the terminal side of theta lie?
Answers
Answer:
Step-by-step explanation:
sinθ < 0 means below the x axis
cotθ = cosθ/sinθ < 0
As sinθ is already < 0 means cosθ has to be > 0 meaning right of the y axis.
Right of y and below x is the IV quadrant.
The quadrant in which angle theta lie if sin theta < 0 and cot theta < 0 exists Quadrant IV (4).
What is meant by Trigonometric Identities?Trigonometric Identities are equality conditions that hold for all possible values of the variables in the equation and use trigonometry functions. There exists numerous unique trigonometric identities that relate a triangle's side length and angle.
here, we have,
Sine, cosine, and tangent are the fundamental three operations in trigonometry. The cotangent, secant, and cosecant functions are derived from these three basic functions. On these functions, all trigonometrical notions exists built.
Trigonometric identities are equality conditions in trigonometry that hold for all values of the variables that appear and are defined on both sides of the equivalence. These exists identities that, geometrically speaking, involve certain functions of one or more angles.
we have,
sinθ < 0 means below the x axis
cotθ = cosθ/sinθ < 0
As sinθ is already < 0 means cosθ has to be > 0 meaning right of the y axis.
Right of y and below x is the IV quadrant.
Hence, The quadrant in which angle theta lie if sin theta < 0 and cot theta < 0 exists Quadrant IV (4).
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Determine all minors and cofactors of the matrix A given below (5)
2 −1 1 3
0 1 1 3
2 1 1 0
2 0 −1 −2
Answers
A minor of a matrix A is the determinant of some smaller square matrix, cut down from A by removing one or more of its rows and columns.
E.g the minor for a_11 is the matrix
1 1 3
1 1 0
0 -1 -2
The cofactor of an element is the minor but a factor, with that factor being (-1)^(i+j) where i and j are the row and column of the element
A university is trying to determine what price to charge for tickets to football games. At a price of $27 per ticket, attendance averages 40,000 people per game. Every decrease of $3 adds 10,000 people to the average number.
Every person at the game spends an average of $3.00 on concessions. What price per ticket should be charged in order to maximize revenue? How many people will attend at that price?
Answers
Answer:
the university should charge $13.50 per ticket to maximize revenue, and 85,000 people will attend at that price.
Step-by-step explanation:
To find the price per ticket that maximizes revenue, we need to find the price that maximizes the product of the number of tickets sold and the revenue per ticket. Revenue per ticket is equal to the ticket price plus the average concession spending per person, or $27 + $3 = $30.
Let x be the number of $3 decreases in ticket price, so the ticket price can be expressed as $27 - $3x. The number of people attending can be expressed as 40,000 + 10,000x.
Therefore, the revenue can be expressed as:
Revenue = (Ticket price) x (Number of tickets sold) x (Concession spending per person)
Revenue = ($27 - $3x) x (40,000 + 10,000x) x $3.00
Expanding this expression, we get:
Revenue = $81,000,000 + $270,000,000x - $30,000,000x^2
To maximize revenue, we need to find the value of x that maximizes this quadratic function. We can do this by finding the vertex of the parabola, which is located at:
x = -b / 2a
where a = -30,000,000, b = 270,000,000, and c = 81,000,000
x = -270,000,000 / 2(-30,000,000)
x = 4.5
Since x represents the number of $3 decreases in ticket price, we can find the optimal ticket price by subtracting 3 times x from the original price of $27:
Optimal ticket price = $27 - $3(4.5) = $13.50
The optimal number of people attending can be found by substituting x = 4.5 into the expression for the number of people attending:
Number of people attending = 40,000 + 10,000(4.5) = 85,000
Which pair of expressions is equivalent using the Associative Property of Multiplication?
4(2a ⋅ 5) = (4 ⋅ 2a) ⋅ 5
4(2a ⋅ 5) = 8a ⋅ 20
4(2a ⋅ 5) = (2a ⋅ 5) ⋅ 4
4(2a ⋅ 5) = 4 ⋅ 2a ⋅ 5
Answers
Answer:
out of 700 full marks dolma obtained 525 marks in an examination express her marks in percent
When fully distributed, both give the answer 8a • 20 making them equivalent through Associative Property.
Please help I wanna get an a :(
Answers
Answer:
Graph C
Step-by-step explanation:
Point T is located on Graph C at T(1, 7). To help, (x, y) = count over however many spaces horizontally, then count however many spaces vertically.
It will always be this way.
Simplify (5x^2 + 3x + 4) + (2x^2 − 6x + 3).
Answers
Answer:
7x² - 3x + 7
Step-by-step explanation:
Step 1: Write out expression
5x² + 3x + 4 + 2x² - 6x + 3
Step 2: Combine like terms (x²)
7x² + 3x + 4 - 6x + 3
Step 3: Combine like terms (x)
7x² - 3x + 4 + 3
Step 4: Combine like terms (constants)
7x² - 3x + 7
Answer:
\(\Large \boxed{7x^2-3x+ 7}\)
Step-by-step explanation:
\((5x^2 + 3x + 4) + (2x^2 -6x + 3)\)
Removing brackets.
\(5x^2 + 3x + 4 + 2x^2 -6x + 3\)
Grouping like terms.
\((5x^2 + 2x^2) + (3x -6x)+ (4 + 3)\)
Combining like terms.
\((7x^2) + (-3x)+ (7)\)
What is the probability of a customer buying a carrot at this store?
A 10%
B 19%
C 21%
D 27.5%
Answers
Answer: Its A
Step-by-step explanation:
What does the y-intercept of the line tell you about the situation?
Please answer this quickly it’s due in 10min
Answers
The y-intercept of the linear function means that her initial distance from the finish line is of 10 kilometers.
How to define a linear function?The slope-intercept equation for a linear function is presented as follows:
y = mx + b
In which:
m is the slope.b is the y-intercept.The graph crosses the y-axis at y = 10, hence the intercept b is given as follows:
b = 10.
The y-values represent the distance in the context of this problem, hence the initial distance is of 10 km.
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In the equation 4x4=16, 4 is a:
Answers
Answer:
4 is a factor
Step-by-step explanation:
thats what a number being multiplied is called