Answer:
x = 1.2245
Step-by-step explanation:
Ahmed walks 3.5x miles each day.
Thus, at the end of a week (7 days), he would walk;
3.5x * 7 = 24.5x miles
But he said that his walk in a week = 30 miles. So that,
24.5x miles = 30 miles
24.5x = 30
x = \(\frac{30}{24.5}\)
= 1 \(\frac{11}{49}\)
x = 1.2245
To verify the answer,
24.5x = 24.5(1.2245)
= 30.00
let c be between d and e. use segment addition postulate to solve for y.dc=3y-30, ce=6y-15, and de=27
and replace the values from the statements
\(\begin{gathered} (27)=(3y-30)+(6y-15) \\ 27=3y-30+6y-15 \\ 27+15+30=3y+6y \\ 72=9y \\ y=\frac{72}{9} \\ \\ y=8 \end{gathered}\)the value of y is 8
a number , x, decreased by the sum of 4x and 6
Answer:
-3x - 6
Step-by-step explanation:
x - (4x + 6) becomes x - 4x - 6 after we've distributed the multiplication.
We can simplify this result as follows: -3x - 6
A new car is purchased for 23900 dollars. The value of the car depreciates at 9.25% per year. To the nearest tenth of a year, how long will it be until the value of the car is 6000 dollars?
9514 1404 393
Answer:
14.2 years
Step-by-step explanation:
The value is described by the exponential function ...
y = (initial value)·(decay factor)^x
where y is the value after x years.
The decay factor is (1 - annual depreciation) = 1 - 0.0925 = 0.9075, so we want to find x when ...
6000 = 23900·0.9075^x
6000/23900 = 0.9075^x . . . . . . . . . . . . . . divide by 23900
log(6000/23900) = x·log(0.9075) . . . . . . . take logarithms
x = log(6000/23900)/log(0.9075) ≈ 14.2396
It will be about 14.2 years until the value of the car is $6000.
Answer:
14.2
Step-by-step explanation:
Mike drove a nail 2.5 in. long through a board 0.75 in. thick into a post. How far did the nail go into the post?
Answer:
1.75 inches deep into the post
Step-by-step explanation:
First, you do 2.5 - 0.75 which is 1.75 in
The answer is 1.75 in
Hope this helps!
If the operation A be defined as x*Delta*y = x ^ 2 * y - 1 then find (x*Delta*x)/(1Delta*x)
The value of (xΔx)/(1Δ*x) or (x*Delta*x)/(1Delta*x) is (x³ - 1)/(x³ - x).
To find this value, we first need to apply operation A to the expressions xΔx and 1Δ*x:
xΔx = x² * x - 1 = x³ - 1
1Δ*x = 1² * x - 1 = x - 1
Substituting these values in the expression (xΔx)/(1Δ*x), we get:
(x³ - 1)/(x - 1)
We can simplify this expression by multiplying the numerator and denominator by (x² + x + 1), which is the factorization of x³ + 1:
(x³ - 1)/(x - 1) = [(x - 1)(x² + x + 1)]/(x - 1) = x² + x + 1. Factorization is the process of finding two or more numbers or expressions whose product is equal to the original number or expression.
Therefore, the value of (xΔx)/(1Δ*x) is x² + x + 1.
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Complete Question:
If the operation A be defined as x*Δ*y = x² * y - 1 then find (xΔx)/(1Δ*x).
It costs $0.50 to buy 1/3 lb of pears. What is the unit rate for the cost per pound.
The unit cost of pears is $1.50 per pound.
What is ratio?Ratio basically compares quantities, that means it show value of one quantity with respect to other quantity.
If a and b are two values, their ratio will be a:b,
Given that,
Cost for 1/3 lb of pears = $0.50
Since, 1 lb = 1 pound
Implies that,
Cost of 1/3 pounds of pears = $0.50
To find the cost of one pound of pears,
Use ratio property,
1/3 pound costs = 0.50
1 pound costs = 0.50 x 3 = $1.50
The cost of one pound of pear is $1,.50.
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The numbers 1 through 8 are to be placed in the circles in the diagram shown such that the sum of the numbers on each side of the figure
Answer:
no daigram
Step-by-step explanation:
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Use the following information to answer the question that follows:
5 years ago Mayra began depositing money into a bank account every quarter that earns 6% compounded
quarterly. The account now has $6000 in it. How much did Mayra deposit into the account quarterly?
For the question above, what is the value of n?
A. n=52
B. n=1
C. n=NA
D. n=12
E. n=4
Answer:
E. n=4
Step-by-step explanation:
"compounded quarterly" meaning 4.
Option E is correct. The amount Mayra deposited into the account quarterly is $1,146.35 where the value of n is 4
In order to get the amount compounded quarterly, we will use the compounded interest formula as shown:
A = P(1+r/n)^nt where:
A is the amount after 5 years = $6000
r is the rate (in %) = 6% = 0.06
n is the compounding time = 1/4 (quarterly)
t is the time taken (in years) = 5 years
Required
Amount invested quarterly.
First, we need to get the amount initially invested
Substitute the given values into the formula;
6000 = P(1+0.06(4))^{5/4)}
6000 = P(1+0.24)^1.25
6000 = P (1.24)^1.25
6000 = 1.3085P
P = 6000/1.3085
P = $4,585.40
The amount initially deposited will be $4,585.40
The amount deposited quarterly = P/n where n = 4
Amount deposited quarterly = $4,585.40/4
Amount deposited quarterly = $1,146.35
Therefore the amount Mayra deposited into the account quarterly is $1,146.35 where the value of n is 4.
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The ladder he uses makes a 75° angle with the ground. What is the shortest possible length of the ladder if the top of it is 23 feet off the ground? Round to the nearest whole number.
The main answer to your question is that the shortest possible length of the ladder is approximately 71 feet when rounded to the nearest whole number.
To find the length of the ladder, we can use trigonometry and the fact that the ladder forms a right triangle with the ground and the wall. Let x be the length of the ladder.
We know that the angle between the ladder and the ground is 75 degrees. This means that the angle between the ladder and the wall (the complementary angle) is 15 degrees.
Using trigonometry, we can set up the following equation:
tan 15 = opposite/adjacent
tan 15 = 23/x
Multiplying both sides by x gives:
x * tan 15 = 23
Dividing both sides by tan 15 gives:
x = 23 / tan 15
Using a calculator, we can find that tan 15 is approximately 0.268.
So,
x = 23 / 0.268
x is approximately equal to 85.82.
Rounding to the nearest whole number gives us a length of approximately 71 feet. Therefore, the shortest possible length of the ladder is approximately 71 feet.
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Answer:
x = 10, y ≈ 11.2
Step-by-step explanation:
Hi there,
We can find the length x first since we are given the lengths of the other two sides of the bottom right triangle. In order to find the length of x, it is important to know the Pythagorean Theorem and the fact that x is the hypotenuse.
\(a^{2}\) + \(b^{2}\) = \(c^{2}\) ← Pythagorean Theorem
To find x:
\(6^{2}\) + \(8^{2}\) = \(c^{2}\)
100 = \(c^{2}\)
c = 10
Therefore, the value of x is 10.
To find y:
We now know the length of two sides of the upper right triangle. The value of y can be found by using the theorem again.
\(a^{2}\) + \(10^{2}\) = \(15^{2}\)
\(a^{2}\) + 100 = 225
\(a^{2}\) = 125
a = \(\sqrt{125}\)
a = 11.2 when rounded to the nearest tenth.
Therefore, the value of y is approximately 11.2.
Hope this explanation is useful. Cheers.
0.6028x + 103.34929 in slope intercept form
Answer:
y = 0.6028x+103.34929
*y=mx+b*
Explain step by step how you use the horizontal method to multiply the two polynomials 2a? - 3a +5 and 3a? + 4a - 4
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Triangle BCD is rotated 80 degrees clockwise about the origin to form triangle KLM. If m
Answer:
A. 30 degrees
Explanation:
There are four types of transformations and there are reflection, rotation, dilation, and translation.
Reflection, rotation, and translation are rigid transformations, that is, the preimage and image do not change in size or shape. It also means that the preimage and image will be congruent.
So if triangle BCD is rotated 80 degrees clockwise about the origin to form triangle KLM, and m
In the town of Clover, 3 out of 5 citizens who are eligible to vote did so in the fall election.
Determine the number of citizens that voted in the fall election if 400 citizens were eligible.
Answer:
240 citizens
Step-by-step explanation:
\(\frac{3}{5}\) * 400 = 240
Shota invests \$2000$2000dollar sign, 2000 in a certificate of deposit that earns 2\%2%2, percent in interest each year.
At the end of the first year, Shota will have earned amount \$400.00$400.00dollar sign, 400.00 in interest.
Shota invested $2000 in a certificate of deposit that earns 2% interest each year. This means that for every $100 invested, Shota will earn $2 in interest. Therefore, for the $2000 invested, Shota will earn $40 in interest each year ($2 x 2000 = $4000, and then divide by 100 to get $40).
At the end of the first year, Shota will have earned $400.00 in interest ($40 x 10 = $400).
Shota invested $2000 in a certificate of deposit that earns 2% interest each year. After the first year, Shota will have earned $400.00 in interest.
At the end of the first year, Shota will have earned amount \$400.00$400.00dollar sign, 400.00 in interest.
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Find the measure of 0. (to the nearest tenth) A) 16.2° B)16.8° C) 17.1 D) 17.9°
Answer: its D
Step-by-step explanation:
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graph the line y=-4/3x+1
Given ƒ(x) = −x − 1, find ƒ(0).
The value of f(0) is '-1'.
Let's see the step-by-step solution:
Step 1:
For f = -x -1
substitute the x with 0
So, f(0) = -0-1
Step 2:
Simplifying it: -0-1: -1
Thus, the value of f(0)= -1
Evaluate the problem
Answer:
2 4/9
Step-by-step explanation:
1.) 10/9-(-1 1/3)
2.) 10/9+ 1 1/3
3.) 3x1+1=4/3
4.)10/9+4/3
5.)(10×3)+(4×9)
6.)30+36
7.)66/27
8.) 2 4/9
The given lengths are two sides of a right triangle. All three sides of the triangle form a Pythagorean Triple. Find the length of the third side and tell whether it is a leg or the hypotenuse. 9 and 41
Answer:
40, leg
Step-by-step explanation:
The triangle has side lengths of 9, 40, and 41.
41 is the hypotenuse, so 40 is a leg.
i have a zero in the ones place. i am greater than 20 but less the 39 what am i
Answer:
30
Step-by-step explanation:
If you multiply 0.86 by 7.36, how many decimal places will be in the product?
Answer:
4
Step-by-step explanation:
There are 4 numbers to the right of decimals in question.
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State the equation of the graphed function.
The equation of the graphed function is given as follows:
f(x) = x³ + 2x² - 5x - 6.
How to obtain the equation of the function?
The equation of the function is obtained considering the Factor Theorem, as a product of the linear factors of the function.
From the graph, the zeros of the function are:
x = -3.x = -1.x = 2.Hence the function is:
f(x) = a(x + 3)(x + 1)(x - 2).
In which a is the leading coefficient.
Expanding the product, we have that:
f(x) = a(x² + 4x + 3)(x - 2)
f(x) = a(x³ + 2x² - 5x - 6).
When x = 0, y = -6, hence the leading coefficient a is obtained as follows:
-6a = -6
a = 1.
Hence the function is:
f(x) = x³ + 2x² - 5x - 6.
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If gas is $4. 00/gal, how much does it cost to travel from Portland, Maine, to Orlando, Florida (a distance of 1,500 mi)? Give your answer to the nearest whole dollar. $.
Answer:
300
Step-by-step explanation:
It's gonna cost 300 dollars because you first find how many miles you can get for a gallon and that is 20 miles so you do 1500 miles divided by 20 miles which equals 75 then you do 75 times 4 which equals 300!
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The given family of functions is the general solution of the differential equation on the indicated interval. Find a member of the family that is a solution of the initial value problem.
y = c_1 x + c_2 x ln x, (0, infinity)
xy'' - xy' + y = 0, y(1) = 3, y'(1) = -1
A member of the family of functions that satisfies the initial value problem is y = 3x.
To determine a member of the given family of functions as a solution to the initial value problem of the differential equation, we must proceed as follows:
Substitute the member of the family of functions given by y = c₁x + c₂xlnx in the differential equation.
Then, we will get a second-order linear differential equation of the form y'' + Py' + Qy = 0.
The given differential equation is: xy'' - xy' + y = 0As y = c₁x + c₂xlnx, then y' = c₁ + c₂(1 + ln x) and y'' = c₂/x
First, we need to substitute the values of y, y' and y'' in the differential equation to obtain:
x(c₂/x) - x[c₁ + c₂(1 + ln x)] + c₁x + c₂xln x = 0
Simplifying this, we get: c₂ln x = 0 or c₁ - c₂ - (1 + ln x)c₂ = 0Thus, either c₂ = 0 or c₁ - c₂ - (1 + ln x)c₂ = 0.
We know that c₂ cannot be zero since it will imply y = c₁x, which does not include ln x term. Hence, we set c₂lnx = 0.
Therefore, we can set c₂ = 0 and get y = c₁x as a solution.
However, the solution must pass through the given initial values: y(1) = 3, y'(1) = -1.Now, we substitute x = 1 in y = c₁x to get y(1) = c₁. Hence, c₁ = 3.
Therefore, a member of the family of functions that satisfies the initial value problem is y = 3x.Hence, the answer is: y = 3x.
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What Is the amount of data compression an algorithm can produce reliant upon?(A) No repeating parts of the file being compressed(B) Several patterns in the data(C) A large file size(D) A small file size
The amount of data compression an algorithm can produce is reliant upon:
Opiton B) Several patterns in the data.
What Is the amount of data compression an algorithm can produce reliant upon?Data compression is the process of reducing the size of a file by encoding its data information more efficiently. The more patterns in the data, the more efficiently it can be compressed.
An algorithm is a set of instructions that are used to complete a task, such as compressing data. If there are several patterns in the data, the algorithm can use these patterns to create a smaller, more efficient representation of the file, resulting in greater data compression. This means that if there are repeating parts of the file being compressed, the algorithm can make use of that to reduce the size of the file.
However, the size of the file (whether it's large or small) does not necessarily affect the amount of data compression.
Therefore, the amount of data compression an algorithm can produce is reliant upon the presence of several patterns in the data.
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A56-inch board is to be cut into three pieces so that the second piece is 3 times as long as the first piece and the third piece is 4 times as long as the first piece. If x
represents the length of the first piece, find the lengths of all three pieces
Answer:
Here ANSWER
X+2x+5x = 56. Divide 56 by 8 to get 7 = x. First=7. Second=14, third=35
Step-by-step explanation:
Write a two-column proof.
Given: Q R S T is a parallelogram.
TR ⊕ QS, m ∠ QPR = 90
Prove: Q R S T is a square.
To prove that Q R S T is a square, we can use the properties of a parallelogram and the given information.
1. Given: Q R S T is a parallelogram.
2. TR ⊕ QS (Given)
3. m ∠ QPR = 90 (Given)
To prove that Q R S T is a square, we need to show that all four angles are right angles and that all sides are congruent.
Proof:
Step 1: Since Q R S T is a parallelogram, the opposite sides are parallel and congruent. Therefore, QR ≅ ST and RS ≅ QT.
Step 2: We are given that TR ⊕ QS. This means that the opposite sides TR and QS are also parallel.
Step 3: By the definition of a parallelogram, we know that opposite angles are congruent. Therefore, ∠QRT ≅ ∠SQT and ∠RTQ ≅ ∠QST.
Step 4: Since TR and QS are parallel, the alternate interior angles ∠QRT and ∠QST are congruent. This implies that ∠QRT ≅ ∠QST.
Step 5: We are given that m ∠QPR = 90. Since ∠QRT and ∠RTQ are congruent, we can conclude that ∠QRT ≅ ∠RTQ ≅ ∠QPR. Therefore, ∠QRT is also a right angle.
Step 6: From steps 3 and 5, we know that ∠QRT and ∠QST are right angles. Thus, all four angles of Q R S T are right angles.
Step 7: From steps 1 and 2, we know that all four sides of Q R S T are congruent (QR ≅ ST and RS ≅ QT).
Therefore, based on the above steps, we can conclude that Q R S T is a square.
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Which set contains values of x that makes this inequality true?
7x<42
Answer:
1, 2, 3, 4, and 5.
Step-by-step explanation:
7x1=7<42
7x2=14<42
7x3=21<42
7x4=28<42
7x5=35<42