Lee Wong's annual salary raise of $3,000 represents a 4.6% increase from his original salary of $65,000 when rounded to the nearest tenth of a percent.
To calculate the percentage increase of Lee Wong's salary, we use the formula for percentage change: Percentage Change = (Change in Quantity / Original Quantity) × 100%. In this case, the change in quantity is the raised amount of $3,000, and the original quantity is the original salary of $65,000.
Percentage Increase = ($3,000 / $65,000) × 100% = 0.04615 × 100% = 4.615%. Rounded to the nearest tenth of a percent, Lee Wong's salary increase is 4.6%.
I would like to purchase 20 products at a cost 65.00 per product. what will be my total? your state has 3.5% sales tax
The total is: $ 1345.5
Step-by-step explanation:It is given that:
I would like to purchase 20 products at a cost 65.00 per product.
This means that the cost of 20 products will be:
[tex]20\times 65=\$\ 1300[/tex]
Also, there is a sales tax of 3.5%
This means that a person has to pay a extra 3.5% on the total cost of the items he purchased.
i.e. he need to pay 3/5% on $ 1300
This means that the amount of tax he need to pay is: 3.5% of 1300
= 3.5%×1300
= 0.035×1300
= $ 45.5.
Hence, the total cost is: $ 1300+$ 45.5
This means that the total cost is: $ 1345.5
What is the value of x?
x+58=6x+58=6
Enter your answer in the box in simplest form.
x =
Answer: The required value of x is -52.
Step-by-step explanation: We are given to find the value of x from the following equation :
[tex]x+58=6~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)[/tex]
To find the value of x, we need to solve the equation (i).
The solution of equation (i) is as follows :
[tex]x+58=6\\\\\Rightarrow x=6-58\\\\\Rightarrow x=-52.[/tex]
Thus, the required value of x is -52.
integrate t sec^2 (2t) dt
Answer:
[tex]\int {t\times \sec^2(2t)} \, dt \\\\ \text{Integrating by parts}\\\\=\frac{t\times \tan 2t}{2}-\int{(\frac{d}{dt}(t) \times \int{{\ sec^{2}(2t)}}) dt}\\\\=\frac{t\times \tan 2t}{2}-\int{\frac{\tan 2t}{2}} dt\\\\=\frac{t\times \tan 2t}{2}-\frac{\log sec 2t}{4}+C[/tex]
Where C is Constant of Proportionality.
on a number line, what is the distance between -5 and 2, it keeps saying i'm wrong.
What is the measure of angle ABD on trapezoid ABCD?
24
40
64
92
Let
m∠ABD--------> x degrees
we know that
The sum os the internal angles of a trapezoid is equal to [tex] 360 degrees [/tex]
So
[tex] 2*116+2*(24+x)=360\\ 232+48+2x=360\\ 2x=360-280\\ x=40degrees [/tex]
therefore
the answer is
The measure of the angle m∠ABD is [tex] 40 degrees [/tex]
Joel walked 2/5 of a mile to the store, 3/10 of a mile to the library, and 1/20 of a mile to the post office. Let x = the total distance Joel walked. Hw far did he walk? Draw a picture.
The total distance Joel walked is 3/4 of a mile.
To find the total distance, we add up the individual distances:
Distance to the store: 2/5 of a mileDistance to the library: 3/10 of a mileDistance to the post office: 1/20 of a mileTo add these fractions, they must have a common denominator. The least common denominator for 5, 10, and 20 is 20. So we convert the fractions:
2/5 = 8/20 (because 2x4 = 8 and 5 x 4 = 20)3/10 = 6/20 (because 3 x 2 = 6 and 10 x 2 = 20)1/20 remains the same, as its denominator is already 20.Now we add the fractions:
8/20 + 6/20 + 1/20 = 15/20
Finally, we can simplify 15/20 by dividing both the numerator and the denominator by 5:
15/20 = 3/4
Therefore, the total distance Joel walked is 3/4 of a mile.
Express answer in exact form.
Find the area of the larger segment whose chord is 8" long in a circle with an 8" radius.
help me please ...?
I need help with this question
6.8-4.2b=5.6b-3 is this equation identify or has no solution
Answer:
1 = b
Step-by-step explanation:
6.8 - 4.2b = 5.6b - 3
First you must add 4.2b to both sides.
Then you will get 6.8 = 9.8b - 3.
Next you must add 3 to both sides.
You will then get 9.8 = 9.8b
Finally divide both sides by 9.8.
You will be left with 1 = b
Solve using the quadratic formula.
3x^2+6x+7=0
The quadratic equation 3x^2+6x+7=0 has two complex solutions which is x=-1±√(48)i/6.
To solve the quadratic equation 3x^2+6x+7=0 using the quadratic formula, we first need to identify the coefficients a, b, and c from its standard form, which is ax^2+bx+c=0. In this case, a=3, b=6, and c=7.
The quadratic formula is given by x=(-b±√(b^2-4ac))/(2a).
Now, we will calculate the discriminant which is b^2-4ac. In this case, it is 6^2 - 4*3*7, which equals 36 - 84, or -48. Since the discriminant is negative, this means that there are no real solutions to the equation, but two complex solutions.
Applying the quadratic formula, we get the solutions:
x=(-6 ± √(-48))/(2*3)
This simplifies to:
x=(-6 ± √(48)i)/6
Therefore, the solutions are x=-1±√(48)i/6. The quadratic formula helped us to find the complex roots of the quadratic equation.
What is the converse of the statement “If an angle is a right angle, then it measures 90 degrees”? ...?
The converse of the statement “If an angle is a right angle, then it measures 90 degrees” is “If an angle measures 90 degrees, then it is a right angle.”
Explanation:The converse of the statement “If an angle is a right angle, then it measures 90 degrees” is “If an angle measures 90 degrees, then it is a right angle.” The converse of a conditional statement swaps the hypothesis and conclusion of the original statement. In this case, the original statement states that if an angle is a right angle (hypothesis), then it measures 90 degrees (conclusion). The converse states that if an angle measures 90 degrees (hypothesis), then it is a right angle (conclusion).
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7.25 cm plus 7.2 cm plus 8cm equals what
What is the cost of 25.00 watch with a 5.00 discount and a 5.5% sales tax?
a family of two adults and four children is going to and an amusement park. admission is 421.75 for adults and $15.25 for children. what is the total cost of the family's admission
The initial number of views for a certain website was 15. The number of views is growing exponentially at a rate of 22% per week. What is the number of views expected to be four weeks from now? Round to the nearest whole number. Enter your answer in the box. ( please answer my questions never get answered...)
Answer:
i took the test
Step-by-step explanation:
What is the work to 256.50 divided y 8 equal?
A rectangle has a length of 5.50 m and a width of 12.0 m. What are the perimeter and area of this rectangle?
The perimeter of the rectangle is 35.0 meters, and the area is 66.0 square meters, using the formulas for perimeter (2(length + width)) and area (length × width).
Explanation:To calculate the perimeter and area of a rectangle, we apply the formulas: Perimeter = 2(length + width) and Area = length × width. In this case, the rectangle has a length of 5.50 m and a width of 12.0 m.
Calculating the Perimeter
Perimeter = 2(5.50 m + 12.0 m) = 2(17.5 m) = 35.0 m
Calculating the Area
Area = 5.50 m × 12.0 m = 66.0 m²
The perimeter of this rectangle is 35.0 meters, and the area is 66.0 square meters.
What is the vertex of the following parabola?
y=(x-2)^2+3
Two consumers borrowed 10000 for five years bob has credit score of 650 and has an intrest rate of 11.5% while tyree has a credit score of 710 and has an intrest rate of 8.0% what will be the total diffrence between what the two men pay?
...?
Calculating the total difference between what Bob and Tyree will pay over five years for borrowing $10,000 each involves simple interest calculation. Bob, with an 11.5% interest rate, pays $1,750 more than Tyree, who has an 8.0% interest rate. This demonstrates how credit scores affect loan costs.
Explanation:The question involves calculating the total difference between what two consumers, Bob and Tyree, will pay for borrowing $10,000 each over five years, given their respective interest rates based on their credit scores.
First, to solve this, we'll use the simple interest formula I = PRT, where I is the interest, P is the principal amount (the initial amount borrowed), R is the annual interest rate, and T is the time in years.
For Bob (credit score of 650 and an interest rate of 11.5%), the total interest paid is calculated as: $10,000 * 0.115 * 5 = $5,750.For Tyree (credit score of 710 and an interest rate of 8.0%), the total interest paid is calculated as: $10,000 * 0.080 * 5 = $4,000.The total difference between what Bob and Tyree pay is $5,750 - $4,000 = $1,750. Therefore, Bob will pay $1,750 more than Tyree over the five years due to his lower credit score and higher interest rate.
A goat is tethered by a 6 metre rope to the outside corner of a shed measuring 4 metres by 5 metres in a grassy field. What area of grass can the goat graze? ...?
Final answer:
The area of grass that the goat can graze is calculated as a quarter-circle with a radius equal to the length of the rope, which is 6 metres, resulting in an area of approximately 28.27 square metres.
Explanation:
The area of grass a goat can graze when tethered by a 6 metre rope to the outside corner of a shed is a segment of the grassy field. To calculate this area, one must consider two scenarios based on the dimensions of the shed:
If the shed's dimensions of 4 metres by 5 metres do not allow the goat to reach the opposite corner, then the area grazed is a quarter-circle with the rope as the radius.
If the shed's dimensions allow the goat to reach around the corner, then additional area calculations are necessary for the extended grazing area beyond the corner.
In the stated problem, the rope's length does not allow the goat to graze beyond the opposite corner of the shed. Therefore, we calculate the area as a quarter-circle, which is a fraction (1/4) of the area of a full circle with radius 6 metres. The formula for the area of a circle is πr², where r is the radius.
To find the grazeable area, we use:
Area = (1/4) × π × radius² = (1/4) × π × 6² = (1/4) × π × 36
Area = 9π square metres (approximately 28.27 square metres)
The effective grazing area is 22.26 square meters.
The goat can graze in a quarter-circle sweep around the corner where the shed does not block its path.
Step-by-Step Calculation
The goat can graze around the corner up to a 6 metre radius, but the shed blocks its grazing in certain directions.
Calculate the total quarter-circle area the goat can cover:
Area = (1/4) * π * radius² = (1/4) * π * 6² = (1/4) * π * 36 = 9π square metres.
Subtract the area where the shed blocks grazing:
From one corner, the shed blocks a rectangular area measuring 4 meters by 6 meters.
Total area blocked by the shed: 6m * 4m = 24 square meters
Adjust for quarter-circle section, dividing the blockage by 4: 24 / 4 = 6 square meters
The area of grass the goat can graze = Total area - Blocked area
9π - 6 ≈ 28.26 - 6 ≈ 22.26 square metres
Thus, the total area grazed by the goat is 22.26 square meters.
If x equals 3 calculate the value of 2x squared plus x
What is the estimate quotient for 555÷ 8
The estimated quotient for 555 ÷ 8 would be 70.
To estimate the quotient for 555 ÷ 8, we can follow these steps:
We know that Quotients are number that is obtained by dividing one number by another number.
Dividend ÷ Divisor = Quotients
Round the dividend, 555, to the nearest ten:
555 rounds to 560.
Divide the rounded dividend, 560, by the divisor, 8:
560 ÷ 8 = 70.
Therefore, the estimated quotient for 555 ÷ 8 is 70.
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Unit 2 | Lesson 10
Lesson Assessment:
Core Focus: Problem Solving with Equations Quiz
Question Navigator
Choose the answer.
1.
Marco and Drew stacked boxes on a shelf. Marco lifted 9 boxes and Drew lifted 14 boxes. The boxes that Drew lifted each weighed 8 lb less than the boxes Marco lifted.
Which expression represents the total number of pounds Drew lifted?
Let m represent the weight of the boxes that Marco lifted.
A.
m − 8
B.
14(m − 8)
C.
9(m + 8)
D.
112m
Question Resources
Is -√127 rational or irrational?
Answer:
Irrational
Step-by-step explanation:
A rational number can be expressed as a ratio of two integers , p and q of the form \[\frac{p}{q}\]
So following are examples of rational numbers:
\[\frac{1}{2}\] is a rational number\[\frac{3}{4}\] is a rational number2 is a rational number as it can be expressed as \[\frac{2}{1}\]On the other hand , any number which cannot be expressed in this form is called an irrational number. For example:
\[\sqrt{2}\]\[\sqrt{3}\]\[-\sqrt{127}\] According to the chart, one milliliter of water would have a density of _____.
100 g/cm3
10 g/cm3
1 g/cm3
cannot be determined
Answer:
1gm/ cm^3
Step-by-step explanation:
Beck used a compass and straightedge to accurately construct line segment OS as shown in the figure.
Which could be the measures of angle POS and angle POQ?
A) m∠POS = 60° , m∠POQ = 120°
B) m∠POS = 50° , m∠POQ = 110°
C) m∠POS = 50° , m∠POQ = 120°
Observe the figure below.
The given figure shows that the construction of line segment OS. We can observe clearly that OS is bisector of angle POS.
The bisector divides the angle into two equal angles.
So, [tex]\angle POS = \frac{1}{2} \angle POQ[/tex]
Let us observe the given options.
In first option, [tex]60^\circ = \frac{1}{2} \times 120^\circ[/tex]
Therefore, [tex]m \angle POS = 60^\circ, m \angle POQ=120^\circ[/tex]
So, Option A is the correct answer.
Assume 3 in every 1000 students at a local community college have quit due to serious health issues. An insurance company offers them an $8000 policy for $50 a year. What is the amount the insurance company should expect to make on average on every student that pays?
Answer: if 3 for every 1000 students quit due serious health issues, then you can see the proportion doing the quotient between this numbers. This is:
3/1000 = 0.003
Then if you choose a random student, you have a 0.003 probability of choosing one who can have a health issue.
and a 0.997 probability to choose a student with no health issues.
Now, the company wins $50 for the healthy students, and lose ($50 - $8000) = -$7950 for each student that is sick (because they initially pay the 50$ and latter get the $8000).
Then the insurance company should expect to make in average:
0.997*$50 - 0.003*($7950) = $26
So the company should expect to make 26 dollars per student in a year.
The sum of two consecutive integers is at most 223.
What is the larger of the two integers?
Answer:
112
Step-by-step explanation:
The ratio if the base edges of two similar pyramids is 3:4 the volume of the larger pyramid is 320 in^3. What is the volume of the smaller pyramid???
ratio of voljumes = 3^3 : 4^3 or 27:64 small/large = 27 / 64 vol of smaller = 27 * 320 / 64 =135
Answer:
135 cubic inches.
Step-by-step explanation:
Given : The ratio of the base edges of two similar pyramids is 3:4
The volume of the larger pyramid is 320 cubic inches.
To Find: What is the volume of the smaller pyramid?
Solution:
The ratio of the base edges of two similar pyramids is 3:4
The volume of the larger pyramid is 320 cubic inches.
The ratio of the volume of pyramids is equal to the ratio of the cubes of the sides of pyramids .
So, [tex]\frac{3^3}{4^3} =\frac{\text{Volume of smaller pyramid}}{320}[/tex]
[tex]\frac{27}{64} =\frac{\text{Volume of smaller pyramid}}{320}[/tex]
[tex]\frac{27}{64} \times 320 =\text{Volume of smaller pyramid}[/tex]
[tex]135 =\text{Volume of smaller pyramid}[/tex]
Thus the volume of smaller pyramid is 135 cubic inches.
What angle represents 3.5 rotations counterclockwise?
The angle represents by 3.5 rotations in counterclockwise is 1260 degree or [tex]\frac{7}{2}\pi[/tex] radian.
In one complete rotation, the angle made is = 360 degree or [tex]\pi[/tex] radian
So, In 3.5 rotation, angle made is, = [tex]360*3.5=1260[/tex] degree
Or, = [tex]3.5*\pi=\frac{7}{2}\pi[/tex] radian
Therefore, The angle represents by 3.5 rotations in counterclockwise is 1260 degree or [tex]\frac{7}{2}\pi[/tex] radian.
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