Answer:
\(0< b\leq 14.5\)
Step-by-step explanation:
Let's set up our equation. We know that rectangles have two pairs of equal sides. We are also given that one pair of those sides is 1 unit longer than the other pair. Finally, we are told that the perimeter is at most 60 meters. 'At most' tells me to set up an inequality.
I'm going to set up two equations to solve this problem. First, let \(a\) be the longer side and \(b\) be the shorter side.
\(2a+2b\leq 60\)
Next, because the sides are consecutive integers and \(b\) is shorter, we can say that \(a-b=1\).
We now have a system of equations. I will solve using substitution.
\(a-b=1\\a=b+1\)
Substitute \(a\) into the first equation.
\(2(b+1)+2b\leq 60\)
Solve algebraically.
\(2b+2+2b\leq 60\\4b+2\leq 60\\4b\leq 58\\b\leq 14.5\)
So, \(b\) could be any integer between 0 (since distance cannot be negative) and 14.5, also written as \(0<b\leq 14.5\).
I hope this helped!
a roulette wheel has the numbers 1 through 36, 0, and 00. a bet on three numbers pays 11 to 1 (that is, if you bet $1 and one of the three numbers you bet comes up, you get back your $1 plus another $11). how much do you expect to win with a $1 bet on three numbers? hint [see example 4.] (round your answer to the nearest cent.)
With a $1 bet on three numbers, you can expect to win $12.33. So, the expected winnings for a $1 bet on three numbers in a roulette wheel is approximately $0.95.
Here's how to calculate it:
- There are 38 possible outcomes on the roulette wheel (1 through 36, 0, and 00).
- Your bet covers 3 of those outcomes, so your probability of winning is 3/38.
- The payout for a winning bet is $1 plus another $11, for a total of $12.
- To find your expected winnings, multiply the probability of winning by the payout:
(3/38) x $12 = $0.947
- Rounded to the nearest cent, that's $0.95.
So with a $1 bet on three numbers, you can expect to win about $0.95 each time, on average. Over many bets, your total winnings will approach $12.33.
In order to calculate the expected winnings from a $1 bet on three numbers in a roulette wheel, we can follow these steps:
1. Determine the probability of winning the bet. In a roulette wheel with 38 numbers (1-36, 0, and 00), you bet on three numbers, so the probability of winning is 3/38.
2. Determine the amount you would win if your bet is successful. Since the bet pays 11 to 1, you would get back your original $1 plus another $11, for a total of $12.
3. Multiply the probability of winning by the amount you would win. This will give you the expected winnings for a single $1 bet:
(3/38) * $12 = $0.947
So, the expected winnings for a $1 bet on three numbers in a roulette wheel is approximately $0.95 (rounded to the nearest cent).
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6) The storeroom of the apex company measures 28ft. By 25ft.& has a 12ft. High ceiling. How many cubic ft of storage space does the apex company have?
In order to find the volume, we will use the next formula
\(V=l\times w\times h\)where l is the length, w is the width and h is the height.
In our case
l=28 ft
w=25 ft
h=12 ft
we substitute the data
\(V=28\times25\times12=8400ft^3\)The volume is 8400 cubic feet
How can you transform the trapezoid to its new location? Describe a
series of rigid transformations that will move Trapezoid ABCD to the
"shadow" showing its new position.
It should be noted that to move Trapezoid ABCD to its new location or shadow, we need to perform a series of rigid transformations, which include translation, rotation, and reflection.
How to explain the transformationMove Trapezoid ABCD to a new location in the same plane by shifting it horizontally and vertically. We can do this by adding or subtracting a certain number of units from the x and y-coordinates of each vertex.
After translation, Trapezoid ABCD will be at a new location, let's call it Trapezoid A'B'C'D'. This was illustrated on the diagram. Then, it was rotated around a certain point in the plane. We can rotate it clockwise or counterclockwise by a certain angle
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A line passes through the points (−4, 50) and (5, −31). What is the equation of the line in slope-intercept form?
Answer:
y = - 9x + 14
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
calculate m using the slope formula
m = \(\frac{y_{2}-y_{1} }{x_{2}-x_{1} }\)
with (x₁, y₁ ) = (- 4, 50 ) and (x₂, y₂ ) = (5, - 31 )
m = \(\frac{-31-50}{5-(-4)}\) = \(\frac{-81}{5+4}\) = \(\frac{-81}{9}\) = - 9 , then
y = - 9x + c ← is the partial equation
to find c substitute either of the 2 points into the partial equation
using (5, - 31 )
- 31 = - 9(5) + c = - 45 + c ( add 45 to both sides )
14 = c
y = - 9x + 14 ← equation of line
What is the largest integer $n$ such that $7^n$ divides $1000!$ ?
Answer:
The correct answer is
n = 3038
Step-by-step explanation:
Where we have;
We note that 1000! = An even number
Since Even × Even = even
Even × Odd = Even
Also, 7ⁿ is an Odd number since odd × odd = odd
Therefore 7ⁿ will divide 1000! with some fractions as follows;
1000! divided by 7ⁿ
When 7ⁿ = 1000!
log(7ⁿ) = log(1000!) = log(4.02×10²⁵⁶⁷)
n·log(7) = 2567.604
n = 2567.604/(log(7)) = 3038.23
Therefore, the largest integer n such that 7ⁿ divides 1000! = 3038
Which gives, 1000! ÷ 7³⁰³⁸ = 1.5733.
PLEASE HELP ME THIS IS DUE IN 30 MINTUES!
Answer:
70
Step-by-step explanation:
Proportional means in a ratio.
Picking any L/W from the table works. Set that equal to 42/W.
\(\frac{6}{10} =\frac{42}{W}\)
Solve for W.
6W = 42 * 10
6W=420
W=70
PLEASE HELP ASAP!!! THIS IS MY LAST QUESTION FOR THE DAY!! SHOW WORK PLEASE
Answer:
ΔHLN ≅ ΔHFCReason: ASABecause:
∠CHF ≅ ∠NHLHC ≅ HN∠HCF ≅ ∠HNL4•(2+5)^2 -5^2 how do I solve this?
Answer:
4•(2+5)^2 -5^2 = 171
Step-by-step explanation:
Do BIDMAS
(brackets, indices, division, multipy, add, sub)
so brackets
4*7^2-5^2
then do the indices
4*49-25
then the multiply
196-25
= 171
Hope this helps
Answer: Brackets => 4 x (7)^2 - 5^2
Indices/Orders => 4 x 49 - 25
Multiplication => 196 - 25
Subtraction => 171
half of the value of 3x - 9 is x 37. what is the value of x?
Answer:
x = 83/3
Step-by-step explanation:
1/2(3x - 9) = 37
3x - 9 = 37 x 2
3x - 9 = 74
3x = 83
x = 83/3
The diagram shows a square pizza box with side lengths of
18 inches. In the box is a circular pizza with a radius of 8
inches. What is the difference between the area of box and
the pizza?
Use π = 3.14 and round your answer to the nearest
hundredth.
Please help
Answer: The area of the square pizza box is 324 square inches.
Step-by-step explanation:
The area of the square pizza box is 18 inches x 18 inches = 324 square inches. The area of the circular pizza is π x (8 inches)^2 = 201.06 square inches. The difference between the area of the box and the pizza is 324 square inches - 201.06 square inches = 122.94 square inches. (rounded to the nearest hundredth).
Evaluate the expression when c=36 and d=24
The value of the expression after evaluating it according to the values of c and d is 42.
What is an expression?Expressions in math are mathematical statements that have a minimum of two terms containing numbers or variables, or both, connected by an operator in between.
Since, no expression is given, let us assume that the expression is
c + d / 4
Now we have to evaluate the value of the expression according to the values of c and d,
For that, we will simply put the given values in the expression and solved it accordingly,
Put c = 36 and d = 24 in the expression we assumed,
c + d / 4 = 36 + 24/4
= 36 + 6 = 42
Hence, the value of the expression after evaluating it according to the values of c and d is 42.
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Consider the matrix [0 2]
[2 0]. Find an orthogonal s s-¹ AS = D, a diagonal matrix.
S= ____
The orthogonal matrix S that satisfies AS = D, where A is the given matrix [0 2][2 0], is:
S = [[-1/√2, -1/3], [1/√2, -2/3], [0, 1/3]]
And the diagonal matrix D is:
D = diag(2, -2)
To find an orthogonal matrix S such that AS = D, where A is the given matrix [0 2][2 0], we need to find the eigenvalues and eigenvectors of A.
First, let's find the eigenvalues λ by solving the characteristic equation:
|A - λI| = 0
|0 2 - λ 2|
|2 0 - λ 0| = 0
Expanding the determinant, we get:
(0 - λ)(0 - λ) - (2)(2) = 0
λ² - 4 = 0
λ² = 4
λ = ±√4
λ = ±2
So, the eigenvalues of A are λ₁ = 2 and λ₂ = -2.
Next, we find the corresponding eigenvectors.
For λ₁ = 2:
For (A - 2I)v₁ = 0, we have:
|0 2 - 2 2| |x| |0|
|2 0 - 2 0| |y| = |0|
Simplifying, we get:
|0 0 2 2| |x| |0|
|2 0 2 0| |y| = |0|
From the first row, we have 2x + 2y = 0, which simplifies to x + y = 0. Setting y = t (a parameter), we have x = -t. So, the eigenvector corresponding to λ₁ = 2 is v₁ = [-1, 1].
For λ₂ = -2:
For (A - (-2)I)v₂ = 0, we have:
|0 2 2 2| |x| |0|
|2 0 2 0| |y| = |0|
Simplifying, we get:
|0 4 2 2| |x| |0|
|2 0 2 0| |y| = |0|
From the first row, we have 4x + 2y + 2z = 0, which simplifies to 2x + y + z = 0. Setting z = t (a parameter), we can express x and y in terms of t as follows: x = -t/2 and y = -2t. So, the eigenvector corresponding to λ₂ = -2 is v₂ = [-1/2, -2, 1].
Now, we normalize the eigenvectors to obtain an orthogonal matrix S.
Normalizing v₁:
|v₁| = √((-1)² + 1²) = √(1 + 1) = √2
So, the normalized eigenvector v₁' = [-1/√2, 1/√2].
Normalizing v₂:
|v₂| = √((-1/2)² + (-2)² + 1²) = √(1/4 + 4 + 1) = √(9/4) = 3/2
So, the normalized eigenvector v₂' = [-1/√2, -2/√2, 1/√2] = [-1/3, -2/3, 1/3].
Now, we can form the orthogonal matrix S by using the normalized eigenvectors as columns:
S = [v₁' v₂'] = [[-1/√2, -1/3], [
1/√2, -2/3], [0, 1/3]]
Finally, the diagonal matrix D can be formed by placing the eigenvalues along the diagonal:
D = diag(λ₁, λ₂) = diag(2, -2)
Therefore, the orthogonal matrix S is:
S = [[-1/√2, -1/3], [1/√2, -2/3], [0, 1/3]]
And the diagonal matrix D is:
D = diag(2, -2)
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I 10. One day, Timmy works 4 hours and makes an additional $50 in tips. Another day, he works 6 hours and gets an additional $70 in tips. This makes his total earnings 4h + 50 - 6h + 70 - M, where M is the money he earns and h is the wage he makes per hour. If he makes $205, how much did he make as a salary per hour?
Pls help
Answer:
$8.50/h
Step-by-step explanation:
I am unsure of the - in the equation. This should be 4h+50+6h+70=M
then we would set the equation equal to the $205
205=4h+50+6h+70
if we simplify we have
205=10h+120
then we would get the h by itself and we get
205-120=10h
85.00=10h
85.00/10=10h/10
8.50=h
An isosceles triangle in which the two equal sides, labeled a, are longer than the base, labeled b.
This isosceles triangle has two sides of equal length, a, that are longer than the length of the base, b. The perimeter of the triangle is 15.7 centimeters. The equation can be used to find the side lengths.
If one of the longer sides is 6.3 centimeters, what is the length of the base?
cm
If one of the longer sides of the Isosceles triangle is 6.3 centimeters, the length of the base is 3.1 centimeters.
Let's solve the problem step by step:
1. Identify the given information:
- The triangle is isosceles, meaning it has two equal sides.
- The two equal sides, labeled "a," are longer than the base, labeled "b."
- The perimeter of the triangle is 15.7 centimeters.
- One of the longer sides is 6.3 centimeters.
2. Set up the equation based on the given information:
Since the triangle is isosceles, the sum of the lengths of the two equal sides is twice the length of the base. Therefore, we can write the equation:
2a + b = 15.7
3. Substitute the known value into the equation:
One of the longer sides is given as 6.3 centimeters, so we can substitute it into the equation:
2(6.3) + b = 15.7
4. Simplify and solve the equation:
12.6 + b = 15.7
Subtract 12.6 from both sides:
b = 15.7 - 12.6
b = 3.1
5. Interpret the result:
The length of the base, labeled "b," is found to be 3.1 centimeters.
Therefore, if one of the longer sides of the isosceles triangle is 6.3 centimeters, the length of the base is 3.1 centimeters.
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√34=
need some solution please
Answer:
34 1/2
Step-by-step explanation:
opposite of jumping down 10 steps
a point moves in a plane such that its position is defined by x = ln2t and y = 3 − t^3. find the acceleration vector when t = 2.√2305/16√325/4[-1/4, -12][-1/2,-12]
The acceleration vector when t = 2, is (-1/4, -12).
option B.
What is the acceleration vector?
The acceleration vector of the point is calculated as follows;
The position vector of the point at time t = y r(t) = (x(t), y(t)) = (ln(2t), 3 - t³).
The velocity vector is calculated as follows;
v(t) = r'(t)
v(t) = (dx/dt, dy/dt)
v(t) = (d/dt(ln(2t)), d/dt(3 - t³))
v(t) = (1/t, -3t²)
Acceleration is change in velocity with time, so the acceleration vector is calculated as follows;
a(t) = v'(t) = (d/dt(1/t), d/dt(-3t²))
a(t) = (-1/t², -6t)
The acceleration vector when t = 2, is calculated as follows;
a(2) = (-1/2², -6(2) )
a(2) = (-1/4, -12)
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The financial statements of the Blue Spruce Corp. reports net sales of $624000 and accounts receivable of $82800 and $45600 at the beginning of the year and end of year, respectively. What is the average collection period for accounts receivable in days
The average collection period for accounts receivable in days for Blue Spruce Corp. is approximately 59.9 days.
To calculate the average collection period, we need to determine the average accounts receivable balance. We can do this by adding the beginning and ending accounts receivable balances and dividing the sum by 2. In this case, the average accounts receivable balance is ($82,800 + $45,600) / 2 = $64,200.
Next, we need to divide the net sales by the average accounts receivable balance and multiply the result by 365 (the number of days in a year). This gives us ($624,000 / $64,200) * 365 = 3.579 * 365 ≈ 1,306.135.
Therefore, the average collection period for accounts receivable is approximately 59.9 days. This means it takes Blue Spruce Corp. around 59.9 days, on average, to collect payment from its customers. A lower average collection period is generally preferable, as it indicates quicker cash flow and better liquidity for the company.
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Simplify and can you explain how to simplify
Answer:
\(\frac{1625z^{10}}{x^5}\)
Step-by-step explanation:
\(\frac{13\cdot \:1\cdot \:x^{-5}}{5^{-3}z^{-10}}\)
\(\frac{13x^{-5}}{\frac{1}{125z^{10}}}\)
\(\frac{\frac{13}{x^5}}{\frac{1}{125z^{10}}}\\\)
\(=\frac{13\cdot \:125z^{10}}{x^5\cdot \:1}\)
refine: \(\frac{13\cdot \:125z^{10}}{x^5}\)
multiply the numbers: 12 x 125 =1625
\(=\frac{1625z^{10}}{x^5}\)
Answer:
multiply the numbers: 12 x 125 =1625
Step-by-step explanation:
Mia needs to order some new supplies for the restaurant where she works. The restaurant needs at least 690 knives. There are currently 208 knives. If each set on sale contains 10 knives, write and solve an inequality which can be used to determine xx, the number of sets of knives Mia could buy for the restaurant to have enough knives.
Mia needs to buy at least 49 sets of knives to ensure the restaurant has enough knives. Inequality is x ≥ 48.2.
What is inequality?Equal does not imply inequality. Typically, we use the "not equal symbol ()" to indicate that two values are not equivalent. But various inequalities are used to compare the values, whether it is less than or larger than.
According to question:Let's start by defining the variable x as the number of sets of knives Mia could buy.
Since each set contains 10 knives, the total number of knives that Mia could buy is 10x.
We want the restaurant to have at least 690 knives in total, so we can write the inequality:
10x + 208 ≥ 690
To solve for x, we need to isolate it on one side of the inequality. We can do this by subtracting 208 from both sides:
10x ≥ 482
Finally, we can isolate x by dividing both sides by 10:
x ≥ 48.2
We can't buy a fraction of a set, so we need to round up to the nearest integer. Therefore, Mia needs to buy at least 49 sets of knives to ensure the restaurant has enough knives.
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(a) Write a multiplication equation that has the given solution. -1 1/4
(b) Write a division equation that has the same solution. -1 1/4
Part a
\(-1 \frac{1}{4} \times 1=-1 \frac{1}{4}\)
Part b
\(-1 \frac{1}{4} \div 1 =-1 \frac{1}{4}\)
some twins are sisters. all twins are siblings. therefore, some siblings are sisters. true or false
The statement "Some twins are sisters. All twins are siblings. Therefore, some siblings are sisters" is true.
Usually an illustration of a substantial deductive contention in which the conclusion takes coherently from the premises.
The primary introduction states that a few twins are sisters, which suggests that they are female twins. The moment preface states that all twins are kin, which implies that they are related by blood.
In this manner, on the off chance that a few twins are sisters and all twins are kin, it consistently takes after that a few kin are sisters.
It is imperative to note that the conclusion isn't essentially genuine for all kin, as a few kin may be brothers or mixed-gender twins. Be that as it may, the contention is still consistently substantial since the conclusion takes after coherently from the premises
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A group of hikers keep track of their elevation as a function, E, to determine the
different elevation levels as they travel along the trail in Possum Kingdom State
Park. E(d) represents the height of elevation in feet where d is the distance the
hiker travels along the trail. What would be the most appropriate domain for the
function?
{-1,-2,0,1,2,3)
O ,-1,0, 1, 2, 3, ...)
{0,1,2,3,4,...}
C-3,0,1,2,3...
)
{2} is an element of the set (x € RX is an interger greater than 13 True False
The statement is false because the element 2 does not meet the criteria of being an integer greater than 13.
To determine if {2} is an element of the set of integers greater than 13, we need to analyze the statement.
The set of integers greater than 13 can be represented as {x | x ∈ ℤ, x > 13}. This set contains all integers that are greater than 13.
Now, let's check if the element 2 is in this set. Since 2 is not greater than 13, it does not satisfy the condition x > 13. Therefore, {2} is not an element of the set of integers greater than 13.
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PLEASE HELPPP!! Noah jumped eight inches farther than the sum of the jumps made by his teammates Ava and Logan. Which equation represents the length of Noah’s jump?
A. z = x + y − 8; x represents Logan's jump, y represents Ava's jump, and z represents Noah's jump.
B. x = 8 + y + z; x represents Logan's jump, y represents Noah's jump, and z represents Ava's jump.
C. y = x + z − 8; x represents Ava's jump, y represents Noah's jump, and z represents Logan's jump.
D. x = y + z + 8; x represents Noah's jump, y represents, Logan's jump, and z represents Ava's jump.
Answer:
d
Step-by-step explanation:
Hazhair bought 2 DVDs for $12.95 each. He spent $25 on magazines. Did he spend more on DVDs or magazines? How much more? Write equations to show your work.
Answer
5.9
12.95*2=25.9
25.9-20
Please help! Brainliest answer! Thank You!!
Answer:
True statement: B) m∠STP=90°
someone help fast please
Answer:
∠C ≈ 11.978°
Step-by-step explanation:
sin (∠C)/5 = sin (95°)/24
=> sin (∠C) = 5 × sin (95°) ÷ 24
=> ∠C = \(sin^{-1}\)(5 × sin (95°) ÷ 24)
=> ∠C ≈ 11.978°
(2) Name the type of polyhedron that can be assembled from this net. *
The type of polyhedron that can be assembled from this net is a triangular prism because if you assemble this net you get a figure like this
An ash borer is an invasive pest whose larvae eat the pulp of ash trees as they mature. A park ranger has a tree that is infested with ash borers. She estimates they have eaten approximately 40% of the tree's pulp. If the ash tree's trunk has a radius of 2 feet and a height of 15 feet, what was the total volume of the tree trunk before the ash borers started eating it?
Answer:
\(188.6\) cubic feet
Step-by-step explanation:
Let r, h denotes radius and height of the tree's trunk.
Radius of the tree's trunk = 2 feets
Height of the tree's trunk = 15 feets
The tree's trunk is in the shape of a cylinder.
Volume of cylinder (tree's trunk) \(=\pi r^2h\)
Put \(r=2\,,\,h=15\)
Volume of the tree's trunk \(=\pi (2)^2(15)=60\pi\) cubic feet
Put \(\pi=\frac{22}{7}\)
So,
Volume of the tree's trunk \(=60(\frac{22}{7})=\frac{1320}{7}=188.6\) cubic feet