Answer:
10%
Step-by-step explanation:
First, 97.90-89=8.90
8.90/89 = x/100
8.90 x 100 = 890
890/89=10%
Check Answer:
89 x 10%=8.90
89+8.90= 97.90
Therefore, the sales tax percentage is 10%
What is the area of a triangle that has a base of 10 ft and a height of 5 ft? A-15ft B-7.5ft C-25ft D-50ft
Answer:
25
Step-by-step explanation:
formula for triangle is (b*h)/2=A
ERROR ANALYSIS Describe and correct the error in interpreting the statement.
If a figure is a rectangle, then the figure has four sides. A trapezoid has four sides.
X
Using the Law of Detachment,
you can conclude that a trapezoid
is a rectangle.
Answer:
The fact points to the conclusion of the conditional.
Step-by-step explanation:
Law Of Detachment:
p -> q (if p is true, then q is true)
***You cannot go backwards. In other words, you cannot say that if q is true, then p is true, this is due to counterexamples.
f(x)=12x-8. evaluate f(-7)
f(x)=12x-8
f(-7)=12(-7)-8
f(-7)= -84-8
f(-7)= -92
Factorise this expression as fully as possible
14t³ + 6t
The fully factored form of the expression 14t³ + 6t is:
2t(7t² + 3)
To factorize the expression 14t³ + 6t as fully as possible, we can first look for any common factors among the terms.
Both terms have a common factor of 2t.
We can factor out this common factor:
14t³ + 6t = 2t(7t² + 3)
Now, let's examine the expression within the parentheses:
7t² + 3.
This quadratic expression cannot be factored further using integer coefficients or simple factorization techniques.
It is not possible to factorize the quadratic expression 7t² + 3 any further with integer coefficients.
We can initially search for any shared factors between the words in order to factorise the phrase 14t3 + 6t as completely as feasible.
The common factor between the two terms is 2t.
This common component can be eliminated:
14t³ + 6t = 2t(7t² + 3)
Let's study the phrase included in brackets now:
7t² + 3.
Neither basic factorization methods nor integer coefficients can factor this quadratic equation further.
With integer coefficients, it is impossible to factories the quadratic equation 7t2 + 3 any further.
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Jamal is comparing two different kinds of fruit at the store .He wants to buy the one that is the best value per pound. what is the cost per pound for each kind of fruit? Which kind of fruit gives him the best value per pound?
Answer:
apples per pound: 0.25
pears per pound: 0.33
Apples give him the best value per pound
Step-by-step explanation:
to find apple per pound: 4/16= 0.25
to find pears per pound: 7/21= 0.33
Sally had 52 more stickers than Joe after Joe gave 1/5 of his stickers to her. if they both had a total of 260 stickers, how many stickers did Sally have to start?
There are 125 stickers did Sally have to start.
We have to given that,
Sally had 52 more stickers than Joe after Joe gave 1/5 of his stickers to her.
Let us assume that,
Joe had x stickers to start with.
Since, After Joe gave 1/5 of his stickers to her.
He have 4/5 of his original amount left.
That is, 4/5x
Since, Sally had 52 more stickers than Joe
Hence, We get;
4/5x + 52 = 1/5x + y .. (i)
where y is the number of stickers Sally had to start with.
Here, they both had a total of 260 stickers,
Hence,
x + y =260 .. (ii)
From (i) and (ii);
y = 125
Thus, There are 125 stickers did Sally have to start.
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A clothing eCommerce company has an Average Order Value of USD 65. It costs the company USD 35 to produce the clothes in the average order and USD 15 to ship it to the customer. What is the Average Order's Gross Profit?
USD 65
USD 30
USD 15
USD 50
The Average Order's Gross Profit for the clothing eCommerce company in this scenario is USD 15.
For the Average Order's Gross Profit for the clothing eCommerce company in this scenario, we need to subtract the cost of production and shipping from the Average Order Value as;
⇒ Gross Profit = Average Order Value - Cost of production - Cost of shipping Gross Profit
⇒ Gross Profit = USD 65 - USD 35 - USD 15
⇒ Gross Profit = USD 15
Therefore, the Average Order's Gross Profit for the clothing eCommerce company in this scenario is USD 15.
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One of the legs of a right triangle measures 12 cm and its hypotenuse measures 15 cm. Find the measure of the other leg. If necessary, round to the nearest tenth.
Answer:
The measure of the other leg is 9 cm.
Step-by-step explanation:
a² + b² = c²
x² + 12² = 15²
x² + 144 = 225
x² = 81
\(\sqrt{x^2} =\sqrt{81}\)
x = 9
To pay for a home improvement project that total is $20,000 a homeowner is choosing between two different credit card loans with an interest rate of 7% the first credit card compounds interest quarterly or the second credit card compounded monthly the homeowner plans to pay off the loan in 10 years part a determine the total value of a loan with the quarterly compounded interest Show all work and round your answer to the nearest hundred part B determine the total value of the loan with the monthly compounded interest show all work and round your answer to the nearest hundredth Park see what is the difference between the total interest accrued on each loan explain your answer in complete sentences
A. The total value of the loan with quarterly compounded interest is $52,400.
B. The total value of the loan with monthly compounded interest is $52,010.04
How did we get the values?Part A: Total value of the loan with the quarterly compounded interest
To find the total value of the loan, we'll use the formula for compound interest:
A = P * (1 + r/n)^(nt)
Where:
A = final amount (loan + interest)
P = principal amount (initial loan) = $20,000
r = interest rate = 7% = 0.07
n = number of times compounded per year = 4 (quarterly)
t = number of years = 10
Plugging in the values, we get:
A = $20,000 * (1 + 0.07/4)^(4 * 10)
A = $20,000 * (1.0175)^40
A = $20,000 * 2.620075
A = $52,401.51
Rounding to the nearest hundred, the total value of the loan with quarterly compounded interest is $52,400.
Part B: Total value of the loan with the monthly compounded interest
To find the total value of the loan with monthly compounded interest, we'll use the same formula with a different value of n:
A = P * (1 + r/n)^(nt)
Where:
n = number of times compounded per year = 12 (monthly)
Plugging in the values, we get:
A = $20,000 * (1 + 0.07/12)^(12 * 10)
A = $20,000 * (1.005833)^120
A = $20,000 * 2.600502
A = $52,010.04
Rounding to the nearest hundredth, the total value of the loan with monthly compounded interest is $52,010.04
The difference between the two loans is $52,401.51 - $52,010.04 = $391.47
The difference between the two loans is due to the higher frequency of compounding in the monthly compounded interest loan. The interest is compounded more times per year, so the interest is accumulating on the interest more quickly, leading to a higher overall interest charge.
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what is the present perfect of everybody
Answer:
Present Perfect Tense Examples
Has lived: She has lived here all her life.
Have written: They have written three letters already.
Have worked: I have worked here since I graduated school.
Has done: He has finished his homework.
Have been: We have been to Canada.
Has forgotten: She has forgotten her folder.
Step-by-step explanation:
Ed needed to extend the string on his kite. The current string was nine and three fourths feet. He cut a piece of string that measured 2.5 feet and added it to the existing string. What is the new length of the string?
twelve and one fourth feet
eleven and three fourths feet
seven and one half feet
seven and one fourth feet
Answer:
Twelve and one fourth feet
Step-by-step explanation:
9 and 3/4 feet =9.75
2 and 2/4 feet =2.50
9.75 + 2.50
= 12.25/12 and 1/4 feet
A small child has 6 more quarters than nickels. If the total amount of the coins is $3.00, find the number of nickels and quarters the child has.
Answer:
nickels- 5, quarters- 11
Step-by-step explanation:
nickel= 5 p, quarter= 25 p
5x+25(x+6)= 300
30x+150=300
30x=150
x=150/30
x=5 nickels
x+6= 11 quarters
Is 83.77 an integer?
Answer:
It is not a integer, it is a rational number
Answer: No, this isn't. An integer is any whole number, positive or negative. Having extraneous digits to the right of the decimal other than zero, radicals or any fractions are excluded from being considered an integer. Integers, for example, are 2, 85, -923, etc. Hope this helps!
Step-by-step explanation:
Simplify.
(-6u? - 9u-4)-(-5u²+2u+3)+(2u? + 6u+4)
Answer:
Simplified: -4u? + 5u^2 - 5u - 3
Step-by-step explanation:
You are dressing a mannequin for a clothingstore display. You have 4 types of shoes, 5necklaces, 10 tops, and 7 bottoms to choosefrom. How many distinct outfits can youcréate? >
Given:
• Types of shoes = 4
,• Number if necklaces = 5
,• Number of tops = 10
,• Number of bottoms = 7
Let's find how many distinct outfits you can create.
To find the number of distinct outfits you can create, we have:
\(\begin{gathered} n=4*5*10*7 \\ \\ n=1400 \end{gathered}\)Therefore, the number of distinct outfits you can create is 1400.
ANSWER:
1400
The equation $y = -6t^2 - 10t + 56$ describes the height (in feet) of a ball thrown downward at 10 feet per second from a height of 56 feet from the surface from Mars. In how many seconds will the ball hit the ground? Express your answer as a decimal rounded to the nearest hundredth.
Answer:
2.33 Seconds
Step-by-step explanation:
The equation y = -6t^2 - 10t + 56 expresses the height of a ball at a given time, t, on the planet Mars. We are also given that the ball is thrown with a velocity of 10 feet per second with the initial height of 56 feet.
To find the amount of time to reach the ground, we can say that the time being found will be when the ball is on the ground, or when y = 0. So we simply set our equation to 0 and solve for t.
y = -6t^2 - 10t + 56
0 = -6t^2 - 10t + 56
0 = -1 (6t^2 + 10t + -56)
0 = -1 (3t - 7) (2t + 8)
(3t - 7) = 0 OR (2t + 8) = 0
3t = 7 OR 2t = -8
t = 7/3 OR t = -4
Since time will not be negative, we will want to choose the positive solution for this quadratic equation.
Hence, the amount of time for the ball to hit the ground will be 7/3 seconds or 2.33 seconds.
Cheers.
Answer:
2.33
Step-by-step explanation:
Setting $y$ to zero, we find the following:
\begin{align*}
-6t^2 - 10t + 56 &= 0 \\
\Rightarrow \quad 6t^2 + 10t - 56 &= 0 \\
\Rightarrow \quad 3t^2 + 5t - 28 &= 0 \\
\Rightarrow \quad (3t-7)(t+4) &= 0.
\end{align*}As $t$ must be positive, we can see that $t = \frac{7}{3} \approx \boxed{2.33}.$
Giving brainliest for the right answer so pls help me!
Answer:
Radius: 3.5
Diameter: 7
i might be wrong tho im sorry !!
The answer:
Radius = 3.5cm
Diameter = 7cm
I hope I've helped <3Answer assp ill give points or brainly
Answer:
yo
Step-by-step explanation:
why need answer "assp"
Boris started on the treadmill after setting timer for 99 minutes. The display says he have finished 43% of his run. How many minutes have gone by. Round to the nearest tenth
Solve for x. Enter the solutions from least to greatest. Round to two deical places. (x+8)^2-7=0
Answer:
look at the screen shot
Step-by-step explanation:
Answer:
-10.64 is lesser and -5.35 i greater
Step-by-step explanation:
just did it on khan
Worldwide Oil Transport Incorporated is considering hiring a small oil spill response team to follow one of their ships from Alaska to China. The oil spill response team would cost 50 thousand dollars but would save an estimated 2500 thousand dollars in the event of an oil spill. The ship is estimated to have a 1% percent chance of generating an oil spill. Find the expected value of hiring the oil spill response team
The expected value of hiring the oil spill response team is -$25,000.
Indicating that, on average, the cost of hiring the team exceeds the savings in the event of an oil spill.
We have,
Given:
Cost of hiring the oil spill response team = $50,000
Estimated savings in the event of an oil spill = $2,500,000
Probability of generating an oil spill = 1% = 0.01
Expected Cost = Cost of hiring the oil spill response team = $50,000
Expected Savings = Probability of an oil spill * Estimated savings in the event of an oil spill
= 0.01 * $2,500,000
= $25,000
Expected Value = Expected Savings - Expected Cost
= $25,000 - $50,000
= -$25,000
Thus,
The expected value of hiring the oil spill response team is -$25,000.
Since the expected value is negative, it indicates that, on average, the cost of hiring the team exceeds the savings in the event of an oil spill.
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In the triangles below, m/B = m/P and m/T = m/J. What is the length of pq
Answer:
5 1/3
Step-by-step explanation:
Apply +133.3% to the sides
PLEASE DONT IGNORE AND HELP
Identify the correct equation for the graph.
The correct equation for the graph include the following: C. y = 2x/3 - 4.
What is the point-slope form?Mathematically, the point-slope form of a straight line can be calculated by using this mathematical expression:
y - y₁ = m(x - x₁) or y - y₁ = (y₂ - y₁)/(x₂ - x₁)(x - x₁)
Where:
m represents the slope.x and y are the points.From the information provided above, we have the following slope and data points on the line:
Points on the x-axis = (0, 6).Points on the y-axis = (-4, 0).At point (0, -4), a linear equation of this line can be calculated in point-slope form as follows:
y - y₁ = (y₂ - y₁)/(x₂ - x₁)(x - x₁)
y - (-4) = (0 + 4)/(6 - 0)(x - 0)
y + 4 = 2x/3
y = 2x/3 - 4
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The coordinates of the midpoints of the four sides of a square are S(-4,11), Q(2,5), U(-4,-1), A (-10,5)
The perimeter and area of the square are; 24√2 units and 12 units² respectively
Given the coordinates of the midpoints of the four sides of a square are S(-4,11), Q(2,5), U(-4,-1), A (-10,5)
But since we have the midpoints of all the sides, we can assume they're equidistant from one another since the figure is a square.
SQ = √(x₂ - x₁)² + (y₂ - y₁)²
SQ = √(2 - (-4)² + (5 - 11)²
SQ = 6√2
Let's find QU
QU = √(-4 - 2)² + (-1 - 5)²
QU = 6√2
Let's find UA ;
UA = √(-10 - (-4))² - (5 - (-1)²
UA = 6√2
And the distance AS = 6√2
The perimeter of the square = 4 (6√2)
Perimeter = 24√2 units
The area of the square = l²
Area of the square = (6√2)²
Area of square = 12 units²
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the following pair of triangles are similar. find the value of x 10 x x+2 x+14
The numerical value of x in the similar pair of triangle is 10.
What is the numerical value of x?A ratio is simply the relation between two amounts showing how many times a value is contained within another value.
From the diagram,
Side A of the small triangle = 10
Side B of the small triangle = x + 2
Side A of the Big triangle = 10 + x
Side B of the big triangle = x + 14
Hence;
Ratio of Side A to Side B of the small triangle = 10 / x + 2
Ratio of Side A to Side B of the Big triangle = 10 + x / x + 14
Since the triangle area similar, equate the two ratio and solve for x.
10 / ( x + 2 ) = ( 10 + x ) / ( x + 14 )
Cross multiply
10( x + 14 ) = ( 10 + x )( x + 2 )
Expand using FOIL method
10x + 140 = 10x + 20 + x² + 2x
10x + 140 = x² + 12x + 20
x² + 12x + 20 = 10x + 140
x² + 12x + 20 - 10x - 140 = 0
x² + 2x - 120 = 0
Factor the left side of the equation
( x - 10 )( x + 12 ) = 0
Hence;
x - 10 = 0 and x + 12 = 0
x = 10 and x = -12
Since the dimension of the triangle cannot be negative,
x = 10
Therefore, the value of x is 10.
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Please help me i have part one to this question I told you guys everything you need to know in my last question Ill show u my last question in comments and also 100 POINTS PLEASE HELP AND ILL BRAINLEST
Answer:
See below ~
Step-by-step explanation:
1. Vertically opposite angles are equal when two lines intersect.
m∠3 = m∠12. The sum of two interior angles is equal to the exterior angle forming a linear pair with the third angle.
m∠4 = 88° because 180 - (41 + 47) = 92 and 180 - 92 = 883. The sum of the interior angles of a triangle is 180°.
55° + 90° (right angle) + ∠ACB = 180°∠ACB = 180° - 145°∠ACB = 35°4. You can find the length of a hypotenuse using the Pythagorean Theorem.
EF = √3² + 2² = √13EF = 3.6 unitsRoberto must make his costume for the school play. He needs a piece of fabric that is 2 and 2/3 yards long and 1 and 1/2 yards wide. What is the area of the piece of fabric Roberto needs?
Answer:
4 yd².
Step-by-step explanation:
From the question given above, the following data were obtained:
Length (L) = 2⅔ yards
Width (W) = 1½ yards
Area (A) =.?
The area of the piece of fabric that Roberto needs can be obtained by using the formula for calculating the area of a rectangle. This is illustrated below:
Area (A) = Length (L) × Width (W)
A = 2⅔ × 1½
A = 8/3 × 3/2
A = 8 × ½
A = 4 yd²
Thus, the area of the piece of fabric that Roberto needs is 4 yd²
Internet sites often ask for a secret phrase to recover lost passwrds. Jason encoded a secret phrase using matrix multiplication. He multiplied the clear text code for each letter by the matrix:
The matrix representing the encoded text is:
Jason’s secret phrase is:
Clear text encoding:
Decoding a Message by Finding An Inverse
Answer:
cats rule dogs drool is correct ty<3
Step-by-step explanation:
Answer:
cats rule dogs drool
Step-by-step explanation:
just did it edge23
how do i solve 1-(1+.04/12)^-12x10
To solve the expression 1 - (1 + 0.04/12)^(-12x10), you can follow these steps: Step 1: Simplify the exponent. In this case, -12x10 simplifies to -120.
Step 2: Evaluate the term within the parentheses first. 0.04/12 simplifies to 0.0033333 (approximately).
Step 3: Add 1 to 0.0033333 to get 1.0033333.
Step 4: Raise 1.0033333 to the power of -120.
Step 5: Calculate the value inside the parentheses using a calculator or software. The result is approximately 0.742657.
Step 6: Subtract the value obtained in Step 5 from 1.
1 - 0.742657 = 0.257343 (approximately).
Hence, the value of the expression 1 - (1 + 0.04/12)^(-12x10) is approximately 0.257343.
It's important to follow the order of operations (PEMDAS/BODMAS) when solving mathematical expressions. In this case, the exponent is evaluated first, followed by addition and subtraction. Utilizing a calculator or software that supports exponentiation and parentheses can help simplify complex expressions and obtain accurate results efficiently.
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9. What is the volume for the cone shown above, to the nearest cubic centimetre?
A.343 em
B.1039 cm
C.132 cm
D.1115 cm
Answer:
B .
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