The gross income over the whole week upon working during the day and at night is; $449.04.
What is the gross pay for one week if you worked 24 hrs at night and 16 hrs during the day?Since, the pay rates during the day and night according to the task content are; $10.05 per hour and $12.01 per hr respectively.
It then means that the total gross total income can be calculated as follows;
(10.05 × 16) + (12.01 × 24)
= 160.8 + 288.24
= $449.04.
Therefore, the gross income over the whole week upon working during the day and at night is; $449.04.
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There i a quare, with a bridge going diagonally through it. The triangle on the top and bottom are 30 60 90 triangle. What i the height of the bridge if the hypotenue of the 30 60 90 triangle i 15
The height of bridge in the square is 15 units. This is determined by using the ratio of sides in a 30-60-90 triangle and multiplying the hypotenuse by the corresponding ratio for the shorter leg, which is 1.
Let's calculate the height of the bridge step by step using the given information
In a 30-60-90 triangle, the ratio of the sides is 1:√3:2.
Given:
Hypotenuse = 15
Step 1: Determine the length of the shorter leg (height of the bridge)
Since the ratio is 1:√3:2, the length of the shorter leg can be found by multiplying the hypotenuse by the ratio corresponding to the shorter leg, which is 1.
Length of the shorter leg = 15 * 1 = 15
Step 2: Simplify the expression for the shorter leg
Since the hypotenuse of the 30-60-90 triangle is given as 15, the length of the shorter leg is also 15.
Height of the bridge = 15
Therefore, the height of the bridge is 15 units.
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Simplify the exponential expression.
The simplification form of the provided expression is g . 6² . p⁴ option (B) g . 6² . p⁴ is correct.
What is an integer exponent?In mathematics, integer exponents are exponents that should be integers. It may be a positive or negative number. In this situation, the positive integer exponents determine the number of times the base number should be multiplied by itself.
It is given that:
The expression:
\(= \rm \dfrac{(g^3)(6^3)(p^7)}{(6)(g^2)(p^2)(p)}\)
After using the properties of integer exponent:
\(\rm =\dfrac{g^3\cdot \:6^2p^7}{g^2p^2p}\)
\(\rm =\dfrac{g\cdot \:6^2p^5}{p}\)
= g . 6² . p⁴
Thus, the simplification form of the provided expression is g . 6² . p⁴ option (B) g . 6² . p⁴ is correct.
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"
Solve the system of linear equations given above with row
operations and determine its rank.
3x1+3x2+2x3=25 3x1+2x2+3x3=22 2x1+x2+4x3=18
The rank of the system is 3, indicating that all three equations are linearly independent.
To solve the system of linear equations using row operations and determine its rank, we can set up an augmented matrix and perform row operations to transform it into row-echelon form.
The given system of equations is:
3x1 + 3x2 + 2x3 = 25
3x1 + 2x2 + 3x3 = 22
2x1 + x2 + 4x3 = 18
We can represent this system as an augmented matrix:
[3 3 2 | 25]
[3 2 3 | 22]
[2 1 4 | 18]
Our goal is to transform this matrix into row-echelon form, where each leading coefficient (the first non-zero entry in each row) is 1, and all entries below the leading coefficient are zeros.
Using row operations, we can perform the following steps:
Step 1: Subtract Row 1 from Row 2
[3 3 2 | 25]
[0 -1 1 | -3]
[2 1 4 | 18]
Step 2: Subtract (2/3) times Row 1 from Row 3
[3 3 2 | 25]
[0 -1 1 | -3]
[0 -1 8/3 | -4/3]
Step 3: Multiply Row 2 by -1
[3 3 2 | 25]
[0 1 -1 | 3]
[0 -1 8/3 | -4/3]
Step 4: Add Row 2 to Row 3
[3 3 2 | 25]
[0 1 -1 | 3]
[0 0 5/3 | -1/3]
Step 5: Multiply Row 3 by 3/5
[3 3 2 | 25]
[0 1 -1 | 3]
[0 0 1 | -1/5]
Step 6: Subtract 2 times Row 3 from Row 1
[3 3 0 | 27]
[0 1 -1 | 3]
[0 0 1 | -1/5]
Step 7: Subtract -3 times Row 3 from Row 2
[3 3 0 | 27]
[0 1 0 | 18/5]
[0 0 1 | -1/5]
Step 8: Subtract 3 times Row 2 from Row 1
[3 0 0 | 3/5]
[0 1 0 | 18/5]
[0 0 1 | -1/5]
The resulting matrix is in row-echelon form, and the system of equations is:
3x1 + 0x2 + 0x3 = 3/5
0x1 + 1x2 + 0x3 = 18/5
0x1 + 0x2 + 1x3 = -1/5
From the row-echelon form, we can see that all the variables (x1, x2, x3) are leading variables since they correspond to leading coefficients of 1. There are no free variables, which means the system has a unique solution.
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37. (calculus required) let the vector space 2 have the inner product ⟨p, q⟩ = ∫ 1 −1 p(x)q(x) dx find the following for p = 1 and q = x 2 . a. ⟨p, q⟩ b. d(p, q) c. ‖p‖ d. ‖q‖
Using the inner product definition, we get:
⟨q, q⟩ = ∫ 1 −1 x²*x² dx = ∫ 1 −1 x^4 dx = [x^5/5] from -1 to 1 = 2/5
‖q‖ = √(2/5).
What is integration?
Integration is a mathematical operation that is the reverse of differentiation. Integration involves finding an antiderivative or indefinite integral of a function.
a. We have p(x) = 1 and q(x) = x². Using the inner product definition, we get:
⟨p, q⟩ = ∫ 1 −1 p(x)q(x) dx = ∫ 1 −1 1*x² dx = [x³/3] from -1 to 1 = (1/3) - (-1/3) = 2/3
Therefore, ⟨p, q⟩ = 2/3.
b. The distance between p and q is given by:
d(p, q) = ‖p - q‖ = √⟨p - q, p - q⟩
We have p(x) = 1 and q(x) = x², so p - q = 1 - x². Using the inner product definition, we get:
⟨p - q, p - q⟩ = ∫ 1 −1 (1 - x²)² dx = ∫ 1 −1 1 - 2x² + \(x^4\) dx = [x - (2/3)x³ + (1/5)\(x^5\)] from -1 to 1 = 8/15
Therefore, d(p, q) = ‖p - q‖ = √(8/15) ≈ 0.6977.
c. The norm of p is given by:
‖p‖ = √⟨p, p⟩
We have p(x) = 1. Using the inner product definition, we get:
⟨p, p⟩ = ∫ 1 −1 1*1 dx = [x] from -1 to 1 = 2
Therefore, ‖p‖ = √2.
d. The norm of q is given by: ‖q‖ = √⟨q, q⟩
We have q(x) = x². Using the inner product definition, we get:
⟨q, q⟩ = ∫ 1 −1 x²*x² dx = ∫ 1 −1 \(x^4\) dx = [\(x^5\)/5] from -1 to 1 = 2/5
Therefore, ‖q‖ = √(2/5).
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help plz i need help with this please provide an explanation
5. Find the perimeter and area
*Triangle- based prism*
Step-by-step explanation:
for the perimeter you have to say two brackets live plus height plus with plastic
Suppose R is the triangle with vertices (−1,0),(0,1), and (1,0).
(a) As an iterated integral, ∬R(5x+6y)2dA=∫B_A∫D_C (5x+6y)2dxdy with limits of integration
A =
B =
C =
D =
(b) Evaluate the integral in part (a). Hint: substitution may make the integral easier.
Integral =
a. The limits of integration come from the fact that the triangular region has its base along the x-axis and its height along the line y = -x + 1
A = (-1, 0)
B = (1, 0)
C = (-1, 1)
D = (0, 1)
b. The integral in part (a) is 580/3.
(a) The triangle R can be split into two regions: a triangular region with vertices at (-1,0), (0,1), and (0,0), and a trapezoidal region with vertices at (-1,0), (0,0), and (1,0).
The integral can be expressed as:
∬R(5x+6y)2dA = ∫0^1∫0^(1-x)(5x+6y)2dydx + ∫-1^0∫0^(x+1)(5x+6y)2dydx
The limits of integration come from the fact that the triangular region has its base along the x-axis and its height along the line y = -x + 1, while the trapezoidal region has its longer base along the x-axis and its shorter base along the line y = x + 1.
Therefore, the limits of integration are:
A = (-1, 0)
B = (1, 0)
C = (-1, 1)
D = (0, 1)
(b) To evaluate the integral, we can use the substitution u = 5x + 6y, v = 6x - 5y. This transforms the integrand to u^2, and the limits of integration become:
0 ≤ u ≤ 5
-1/3(u-5) ≤ v ≤ 1/3(u+5)
Using this substitution, we have:
∬R(5x+6y)2dA = ∫0^5∫-1/3(u-5)^(1/3)(u+5)^(1/3)u^2dvdu
Evaluating this integral gives:
∬R(5x+6y)2dA = 580/3
Therefore, the integral is 580/3.
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A basketball player average to 12.5 points per game there are 24 games in a season at the rate how many points with the players scored in an entire game
Answer:
Wait did you mean how many points will it be after an entire SEASON?
PLEASE HELP
What is the value of f (4) if f (x) = 3x - 10? A. -3 B. -2 C. 2 D. 7
Answer:
f(3)=5. Explanation: Simply substitute the value of 3 given. In other words, f(3) is the function of f(x) , however, in this case, x is 3. f(3)=3(3)−4. Distribute 3 through
OMG OMG OMG PLEASE HELP!!!!!!!!!!!
Answer:
C
Step-by-step explanation:
\(\frac{3-\sqrt{3} }{3+\sqrt{3} } *\frac{3-\sqrt{3} }{3-\sqrt{3} } \\\\=\frac{(3-\sqrt{3})^{2} }{(3+\sqrt{3} )(3-\sqrt{3} )} \\\\=\frac{9-2*3\sqrt{3}+3 }{9-3}\\\\=\frac{12-6\sqrt{3} }{6} \\\\=2-\sqrt{3}\)
In a sequence of numbers, the first term is x and each term thereafter is twice the previous term. the fifth term is 160. what is the value of x ?
The value of x in sequence of number is 10.
Here, first term of sequence is x and each term there after is twice the previous term. Also Fifth term is 160.
What is geometric series?
Geometric series is an infinite series of the form:
\(a+ar+a r^{2} +ar^{3} +..........\)
where r is known as common ratio.
Now, first term is x and each term there after is twice the previous term.
So the series will be;
x , 2x , 4x , 8x, ..........
Clearly this series is geometric series with common ratio 2.
And the nth term of geometric series is \(ar^{n-1}\)
⇒ fifth term is 160
\(ar^{5-1} = 160\\ar^{4} = 160\\a 2^{4} =160\\a=\frac{160}{16} \\a=10\)
Here, first term is x.
The value of x in sequence of number is 10.
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a hexadecimal number is a number written in the base 16 number system.
t
f
True. Hexadecimal numbers are written using the base 16 number system, where digits range from 0 to 9 and A to F. They are commonly used in computer systems for concise representation and easy conversion to binary.
In the hexadecimal number system, there are 16 symbols used to represent values, namely 0-9 and A-F. Each digit in a hexadecimal number represents a multiple of a power of 16.
The symbols 0-9 represent the values 0-9, respectively. The symbols A-F represent the values 10-15, respectively, where A represents 10, B represents 11, C represents 12, D represents 13, E represents 14, and F represents 15.
For example, the hexadecimal number "3F" represents the value (3 * 16^1) + (15 * 16^0) = 48 + 15 = 63 in decimal.
Similarly, the hexadecimal number "AB8" represents the value (10 * 16^2) + (11 * 16^1) + (8 * 16^0) = 2560 + 176 + 8 = 2744 in decimal.
Hexadecimal numbers are commonly used in computer systems, as they provide a convenient way to represent large binary numbers concisely. Each hexadecimal digit corresponds to a four-bit binary number, allowing for easy conversion between binary and hexadecimal representations.
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On a snow day, Caroline created two snowmen in her backyard. Snowman A was built
to a height of 36 inches and Snowman B was built to a height of 57 inches. The next
day, the temperature increased and both snowmen began to melt. At sunrise,
Snowman A's height decrease by 3 inches per hour and Snowman B's height
decreased by 6 inches per hour. Let A represent the height of Snowman At hours
after sunrise and let B represent the height of Snowman B t hours after sunrise.
Graph each function and determine how tall each snowman is when they are the
same height.
The graph of each function is given below.
When they are the same height, the height of the snowman is 15 inches.
Initial height of snowman A = 36 inches
At sunrise, Snowman A's height decrease by 3 inches per hour.
Slope = 3
Function can be represented as.
A(t) = 36 - 3t
Initial height of snowman B = 57 inches
At sunrise, Snowman B's height decrease by 6 inches per hour.
Slope = 6
Function can be represented as.
B(t) = 57 - 6t
Graph of each function will be a line.
The height of the two snowmen will be equal after,
36 - 3t = 57 - 6t
3t = 21
t = 7 hours
Height = 36 - (3 × 7) = 15 inches
Hence the height of each snowmen is 15 inches after 7 hours.
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Please help will give branliest
-2x+8y-3
Hope this helps! :)
Answer:
-2x + 8y -3
Step-by-step explanation:
-2x = -2x
2y + 6y = 8y
-3 = -3
A package of salt waits 25 KG and a packet of sugar weighs 35 KG find the ratio of weight of salt to the weight of sugar
\( \longmapsto \: =25/35 \)
\( \longmapsto \: =5/7\)
\( \longmapsto \: =5:7\)
There are five flights daily from Pittsburgh via US Airways into the Bradford, Pennsylvania, Regional Airport. Suppose the probability that any flight arrives late is 0.20.
A. What is the probability that none of the flights are late today?
B. What is the probability that exactly one of the flights is late today?
C. What is the probability that all of the flights are late today?
(A) The probability that none of the flights are late today is 0.32768. (B) The probability that exactly one of the flights is late today is 0.4096. (C) The probability that all of the flights are late today is 0.00032.
(A) To find the probability that none of the flights are late today, we use the binomial probability formula, which states that the probability of k successes in n trials is given by P(X = k) = nCk * p^k * q^(n-k), where n is the number of trials, p is the probability of success, q is the probability of failure (1 - p), and nCk represents the binomial coefficient. In this case, we have n = 5 (five flights) and p = 0.20 (probability of a flight being late). Since we want none of the flights to be late (k = 0), the formula becomes P(X = 0) = 5C0 * 0.20^0 * 0.80^5 = 0.32768.
(B) To find the probability that exactly one of the flights is late today, we again use the binomial probability formula. Now, k = 1, so P(X = 1) = 5C1 * 0.20^1 * 0.80^4 = 0.4096.
(C) The probability that all of the flights are late today is the probability that each individual flight is late. Since the flights operate independently, we can simply multiply the probabilities together. Therefore, the probability that all five flights are late today is 0.20^5 = 0.00032.
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One side of a triangle is 4 units longer than a second side. The ray bisecting the angle formed by these sides divides the opposite side into segments that are 6 units and 7 units long. Find the perimeter of the triangle. Give your answer as a reduced fraction or exact decimal. Perimeter =
Show your work:
The perimeter of a triangle can be calculated using the given information about the lengths of its sides and the segment formed by the angle bisector. The solution is provided in the following explanation.
Let's denote the second side of the triangle as x units. According to the given information, one side is 4 units longer than the second side, so the first side is (x + 4) units.
The ray bisecting the angle divides the opposite side into segments of length 6 units and 7 units. This means the total length of the opposite side is the sum of these two segments, which is (6 + 7) = 13 units.
To find the perimeter of the triangle, we add up the lengths of all three sides. Therefore, the perimeter is (x + x + 4 + 13) = (2x + 17) units.
Since we don't have a specific value for x, the perimeter is expressed in terms of x as (2x + 17) units.
Thus, the perimeter of the triangle is (2x + 17) units.
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the score you get is the score you earn in the gradebook. you have unlimited attempts. the test is still on Friday.
MATH
NATION
Question 1 of 3
1
Your parents gave you $225 to spend on a weeklong school trip. You have budgeted $23 per day for snacks and souvenirs.
Complete the equation to represent this situation, where y is the amount of spending money you have left in your budget and is the number of
days you have been on the trip.
2
3
x+
Answer:
y = -23x+225
Step-by-step explanation:
Bugdet=spending
225 is the y-intercept and 23 is the slope or amount spent per day.
Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. Fred spun the spinner 500 times. Which of the following would be a good estimate of the number of times the spinner lands on the green section?
Answer:
142 because 125 isn't an opinion.
Step-by-step explanation:
i took the test
Needs help fast, I can’t get the right answer
9514 1404 393
Answer:
2/3
Step-by-step explanation:
The ratio of any corresponding coordinates will give the scale factor.
Using the x-coordinates of C' and C, we have ...
scale factor = C'/C = 4/6 = 2/3
The dilation scale factor is 2/3.
28. Which of the following is the correct measure of
angle ABC?
A. 30°
B. 88°
C. 132°
D 44°
Answer:
D) 44°Step-by-step explanation:
According to the diagram we observe:
∠ACD is the exterior angle of triangle ABC.As we know the exterior angle is same as the some of the remote interior angles.
It can be shown as:
m∠ACD = m∠CAB + m∠CBA
Substitute the values and solve for x:
5x - 18 = 3x - 2 + x + 145x - 18 = 4x + 125x - 4x = 12 + 18x = 30Find the measure of m∠ABC:
x + 14 = 30 + 14 = 44The matching answer choice is D.
The number of sticks of gum varies directly as the number of packages. There are 36 sticks of gum in 2 packages. Suppose you have 5 packages of gum. Write and solve a direct variation equation to determine how many sticks you have
Answer:
36 x 2 = 72
36 divide by 2 = 18
72+18=90
90 is the answer
Step-by-step explanation:
How many solutions does this equation have?
-2-y=-y
no solution
one solution
infinitely many solutions
Answer:
No solution
Step-by-step explanation:
-2-y=-y
clt
-2=-y+y
-2=0
:ans is -2=0 making it with no solution
A force of 1 N will stretch a rubber band 2 cm(0.02 m). Assuming that Hooke's law applies, how far will a 3−N force stretch the rubber band? How much work does it take to stretch the rubber band this far? How far will a 3-N force stretch the rubber band? m (Simplify your answer.)
According to Hooke's law, A force of 3 N will stretch the rubber band by 0.06 m.
Hooke's law states that force applied is directly proportional to the extension produced in a body.
Hence, for a rubber band, it is given by
F = kx where F is the force applied, k is the spring constant and x is the extension produced.
For a force of 1 N, the extension produced is 2 cm(0.02 m)
k = F/x
= 1 / 0.02
= 50 N/m
For a force of 3 N,
F = kx
3 = 50x
x = 3/50 m
= 0.06 m
Therefore, the 3 N force will stretch the rubber band by 0.06 m.
A force of 3 N will stretch the rubber band by 0.06 m.
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Please help me With this question!!!
The solution is, the finally discounted price is 71.5.
What is percentage?A percentage is a number or ratio that can be expressed as a fraction of 100. A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%", although the abbreviations "pct.", "pct" and sometimes "pc" are also used. A percentage is a dimensionless number; it has no unit of measurement.
here, we have,
sale price = 90
15% discount, so, the price = 90* 85%
=76.5
now, after 5 discount, price became = 76.5 - 5
= 71.5
Hence, The solution is, the finally discounted price is 71.5.
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Cherries cost 4 dollars per pound.my mother r lb of cherries and my father bought 2 lb of cherries.how much more money did my mother spent on cherries than my father
Mother spent (4r - 8) dollars more on cherries than did the father.
An expression using numbers and related operations is called a numerical expression.
According to the question, a pound of cherries costs $4.
Mom purchased r pounds.
The price of the cherry is calculated as follows: 4r = weight x $/lb.
Father purchased 2 pounds, thus the price of the cherries is 4 (2), or $8.
We remove the smaller value from the higher value, which is 4r - 8, where r must be more than two. Given that the mother spent more money on cherries than the father, the mother's cost of cherries is a greater value.
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Hii can someone who is really good at math please help me with these 2 math questions. I'm struggling with them!!
A pentagon has 3 congruent sides and 2 other congruent sides. The perimeter of the pentagon is 36 centimeters. The three long congruent sides are 2 centimeters longer than the two shorter congruent sides.
Let x = length of a short side
Let y = length of a long side
The system of equations can be used to represent the situation.
y = x + 2
2x + 3y = 36
What is the length of one of the shorter congruent sides?
Answer:
Length of one of the shorter congruent side is: 6 cm
Step-by-step explanation:
In order to find the length of congruent sides we have to solve the system of equations
Given systems of equation is:
y = x + 2
2x + 3y = 36
Putting y = x+2 in second equation
\(2x + 3(x+2) = 36\\2x+3x+6 = 36\\5x+6 = 36\\5x = 36-6\\5x = 30\\\frac{5x}{5} = \frac{30}{5}\\x =6\)
As we know that x represents the shorter side, the length of short side is: 6 cm
Hence,
Length of one of the shorter congruent side is: 6 cm
2.The amount of fertilizer in a landscaping company's warehouse decreases at a rate of 3% per week. The amount of fertilizer in the warehouse was originally 78,000 cubic yards. What function models the amount of fertilizer in cubic yards left after w weeks? Exponential Growth: y = a*b* where a initial amount and b is the growth factor. Sarah identified the initial amount as 78000 and the rate as 3%. She wrote her equation as: y = 78,000 (3)*.
ANSWER
\(y=78000\cdot0.97^w\)EXPLANATION
We want to find the function that models the amount of fertilizer after w weeks.
The general form of an exponential function is written as:
\(y=a\cdot b^x^{}\)but it can be re-written as:
\(y=a(1\pm r)^x^{}\)+ is used when it an exponential growth
- is used when it is an exponential decay
Note: r stands for rate of growth/decay
From the question, we see that there is an exponential decay (decrease).
This means that the function, we need to use is:
\(y=a(1-r)^x\)The mistake that Sarah made was that she used her rate directly as 3% (i.e. she made b = 3) into the general function which is wrong.
She should have instead used the alternate function given above to find the function.
Therefore, the correct function is:
\(\begin{gathered} y=78000(1-\frac{3}{100})^w \\ y=78000(1-0.03)^w \\ y=78000\cdot0.97^w \end{gathered}\)where w represents the number of weeks
HELPPPPPP ITS FOR MY FINALLLL
click the photo below
Answer:
28
Step-by-step explanation:
▪︎ ADE and ABC are similar triangles (AAA)
▪︎ DA = DB + BA = 30 + 12 = 42
▪︎ k = DA / BA = 42 / 12 = 3.5
▪︎ DE = BC * k = 8 * 3.5 = 28