Answers
is a hope i helped you wlcome
Related Questions
BRAINLIESTTTT!!!
If Mary pitches a baseball with the initial height of 6 feet and a velocity of 73 feet per second, how long will it take for the ball to hit the ground? :)
Answers
73^2 - 4 * -16 * 6 = 5713
sqrt 5713= 75.58
(-73 - 75.58) / -32 = 4.64
Good luck :)
Hope this helps!
1. Astronomers measure large distances in light-years. One light year is the distance that light can travel in one year, or approximately 5.88 x 10^12 miles. Suppose a star is 9.8 x 10^1 light years from Earth. In scientific notation, approximately how many miles is it?
A. 5.88 x 10^13 miles
B. 5.76 x 10^14 miles
C. 5.88 x 10^12 miles
D. 9.8 x 10^12 miles
2. A 1,600.00 principal earns 7% annual interest, compounded semiannually (twice per year). After 33 years, what is the balance in the account?
A. $4,979.11
B. $14,920.54
C. $112,992.00
D. $15,494.70
Answers
d=9.8x10^1x5.88x10^12 miles
d=57.6x10^13 miles
d=5.76x10^14 miles
Answer: Option B. 5.76x10^14 miles
2. Principal: P=1,600
Annual interest: i=7%=7/100→i=0.07
Number of years: t=33
Balance: B=?
Compounded semiannually (twice per year) → n=2
B=P(1+i/n)^(nt)
Replacing the values:
B=$1,600(1+0.07/2)^(2x33)
B=$1,600(1+0.035)^66
B=$1,600(1.035)^66
B=$1,600(9.684185201)
B=$15,494.69632
B=$15,494.70
Answer: Option D. $15,494.70
Final Answer:
The answers are:
1. B. 5.76 x 10¹⁴ miles
2. D. $15,494.70
Explanation:
Let's solve each of these questions step by step.
Question 1:
First, we'll calculate the distance to the star in miles, given its distance in light years.
One light year is approximately 5.88 x 10¹² miles.
The star is 9.8 x 10¹ light years from Earth.
To find the distance in miles, we multiply the distance in light years by the length of one light year in miles:
Distance in miles = (5.88 x 10¹² miles/light year) * (9.8 x 10¹ light years)
To multiply these numbers in scientific notation, we multiply the coefficients (5.88 and 9.8) and then add the exponents of 10 (12 and 1).
Coefficient multiplication: 5.88 * 9.8
Using a calculator or doing the multiplication by hand, we find that 5.88 * 9.8 is approximately 57.624.
Exponent addition: 12 + 1 = 13
So the distance in miles is approximately 57.624 x 10¹³ miles.
However, in scientific notation, the coefficient should be between 1 and 10. Therefore, we need to adjust the coefficient from 57.624 to 5.7624 and increase the exponent by 1 to keep the same value.
Distance in miles = 5.7624 x 10¹⁴ miles
To make it approximately and match the answer choices, we can round the coefficient to 5.76.
Distance in miles ≈ 5.76 x 10¹⁴ miles
The closest answer to our computed value is:
B. 5.76 x 10¹⁴ miles
Question 2:
Next, let's use the compound interest formula to find the balance in the account after 33 years.
The compound interest formula is:
[tex]A = P (1 + r/n)^{(nt)[/tex]
where:
A is the amount of money accumulated after n years, including interest.
P is the principal amount (the initial amount of money).
r is the annual interest rate (decimal).
n is the number of times that interest is compounded per year.
t is the time the money is invested for, in years.
We're given:
P = $1,600.00
r = 7% annual interest = 0.07 (as a decimal)
n = 2 (since interest is compounded semiannually)
t = 33 years
Plugging these values into the formula gives us:
[tex]A = 1600.00 * (1 + 0.07/2)^{(2*33)[/tex]
Let's break it down:
Interest rate per compounding period: 0.07/2 = 0.035
Number of compounding periods: 2*33 = 66
Now substitute these values:
A = 1600 * (1 + 0.035)⁶⁶
We calculate (1 + 0.035)^66 using a calculator:
(1 + 0.035)⁶⁶ ≈ (1.035)⁶⁶ ≈ 9.682
So the final balance is:
A ≈ 1600 * 9.682 ≈ 15491.2
The closest answer to our computed value is:
D. $15,494.70
Hence, the answers are:
1. B. 5.76 x 10¹⁴ miles
2. D. $15,494.70
MAJOR HELP NEEDED!
Lea knows the following information about the 50 days where she tracked whether she wore a tie and whether she received a compliment on her outfit:
-There were 11 days where she neither wore a tie nor received a compliment.
-There were 30 days in total where she received a compliment.
-There were 16 days in total where she did not wear a tie.
Can you help Lea organize the results into a two-way frequency table?
Answers
We know that a two-way frequency table is constructed when we have to deal with two variables ( which is also known as a bivariate data)
Here we have two variables as wore a tie or not and the second variable is: Received compliment or not.
Hence, on the basis of the information provided to us in the question we see that the two-way frequency table is obtained as follows:
Wore tie Do not wore tie Total
Receive compliment 25 5 30
Do not receive compliment 9 11 20
Total 34 16 50
The considered data given about the frequencies of events can be used to fill the two-way frequency table. The values will be 25 and 5 in first row, and 9 and 11 in second row.
How to form two-way frequency table?Suppose two dimensions are there, viz X and Y. Some values of X are there as [tex]X_1, X_2, ... , X_n[/tex] and some values of Y are there as [tex]Y_1, Y_2, ... , Y_n[/tex]
List them in title of the rows and left to the columns. There will be [tex]n \times k[/tex] table of values will be formed(excluding titles and totals), such that:
Value(ith row, jth column) = Frequency for intersection of [tex]X_i[/tex] and [tex]Y_j[/tex] (assuming X values are going in rows, and Y values are listed in columns).
Then totals for rows, columns, and whole table are written on bottom and right margin of the final table.
For n = 2, and k = 2, the table would look like:
[tex]\begin{array}{cccc}&Y_1&Y_2&\rm Total\\X_1&n(X_1 \cap Y_1)&n(X_1\cap Y_2)&n(X_1)\\X_2&n(X_2 \cap Y_1)&n(X_2 \cap Y_2)&n(X_2)\\\rm Total & n(Y_1) & n(Y_2) & S \end{array}[/tex]
where S denotes total of totals, also called total frequency.
n is showing the frequency of the bracketed quantity, and intersection sign in between is showing occurrence of both the categories together.
We're given that:
There were 11 days where she neither wore a tie nor received a compliment.There were 30 days in total where she received a compliment.There were 16 days in total where she did not wear a tie.If we take:
A = event of Lea wearing a tie on a day
A' = event of Lea not wearing a tie on a day
B = event of Lea getting a compliment on a day
B' = event of Lea not getting a compliment on a day
then, we're given that:
[tex]n(A' \cap B') = 11\\n(B) = 30\\n(A') = 16[/tex]
Also, total number of days = S = 50
On each of those 50 days, she either wore a tie or not.
If she didn't put on a tie on 16 out of 50 days, then she wore tie for 50-16=34 days.
Thus, we get n(A) = 34
Similarly, we get n(B') = 50 - n(B) = 50 - 30 = 20
[tex]\begin{array}{cccc}&A&A'&\rm Total\\B&n(B\cap A)&n(B\cap A')&n(B)=30\\B'&n(B' \cap A)&n(B' \cap A')=11&n(B')=20\\\rm Total & n(A)=34 & n(A')=16 & S=50 \end{array}[/tex]
Using the total of the third row, we get:
[tex]n(B' \cap A) + 11 = 20\\n(B' \cap A) = 9[/tex]
Similarly, now using second column's total, we get:
[tex]n(B \cap A) + n(B' \cap A) = 34\\n(B \cap A) + 9 = 34\\n(B \cap A) = 25[/tex]
Now using second row's total, we get:
[tex]25 + n(B \cap A') = 30\\n(B\cap A') = 5[/tex]
Thus, we get:
[tex]\begin{array}{cccc}&A&A'&\rm Total\\B&n(B\cap A)=25&n(B\cap A')=5&n(B)=30\\B'&n(B' \cap A)=9&n(B' \cap A')=11&n(B')=20\\\rm Total & n(A)=34 & n(A')=16 & S=50 \end{array}[/tex]
Thus, finally, we can say that:
Wore a tie, Didn't wore a tie
Got a compliment 25 5
Didn't got a compliment 9 11
Thus, the values will be 25 and 5 in first row, and 9 and 11 in second row.
Learn more about two-way table here:
https://brainly.com/question/26788374
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Three survey markers are located on a map at points H, I, and J. A triangle is formed by connecting these markers by string so that HI = 150 feet, HJ = 245 feet,and IJ = 365 feet.
Which statement is true about the measures of the angles of TriangleHIJ?
f m∠I is the largest
g m∠H is the largest
h m∠H is the smallest
j m∠I is the smallest
Answers
In a triangle,
to the longest side is opposed the bigest angle
==>answer g : m∠H is the largest
The measure of the side IJ is the longest one so the largest angle is ∠H. Then the correct option is B.
What is the triangle?The polygonal shape of a triangle has a number of sides and three independent variables. Angles in the triangle add up to 180°.
Three survey markers are located on a map at points H, I, and J. A triangle is formed by connecting these markers by string so that HI = 150 feet, HJ = 245 feet, and IJ = 365 feet.
If the side is the largest one then its opposite angle will be the largest one.
The measure of the side IJ is the longest one so the largest angle is ∠H. Then the correct option is B.
More about the triangle link is given below.
https://brainly.com/question/25813512
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What would the total bill be of painting the costs $44.80 with the tax rate of 6%?
Answers
Hope this helped!
44.80*1.06 = 47.488 Rounded to $47.49
What number is 35% of 22?
Answers
Here is your answer:
The proper answer to this question is "7.7"
Here is how:
35*22
_____
100
=7.7
Your answer is 7.7!
If you need anymore help feel free to ask me!
Hope this helps!
1. Based on the information given, can you determine that the quadrilateral must be a
parallelogram? Explain.
Given: (BE) ̅ (ED) ̅ and (AE) ̅ (EC) ̅
2. The parallelogram has the angle measures shown. Can you conclude that it is a rhombus, a rectangle, or a square? Explain.
Answers
Solving Q1: Given BE = ED and AE = EC.
Considering triangles ΔAED and ΔCEB;
1. AE = EC (given)
2. ∠AED = ∠CEB (vertical angles)
3. ED = EB (given)
ΔAED ≡ ΔCEB (Side-Angle-Side congruency of triangles)
∠DAE = ∠BCE and AD = BC (using CPCTC)
⇒ AD║BC (Converse of Alternate Interior angles theorem)
Similarly consider triangles ΔABE and ΔCDE;
1. AE = CE (given)
2. ∠BEA = ∠DEC (vertical angles)
3. BE = DE (given)
ΔABE ≡ ΔCDE (Side-Angle-Side congruency of triangles)
∠ABE = ∠CDE and AB = CD (using CPCTC)
⇒ AB║CD (Converse of Alternate Interior angles theorem)
Since we have AB║CD, AB = CD and AD║BC, AD = BC.
Therefore, quadrilateral ABCD is a parallelogram.
****************************************************************************************************
Solving Q2: The parallelogram has the angle measures shown in the diagram.
It is clearly visible that both the triangles are Isosceles triangles, so opposite sides in each triangle are equal.
Consider two triangles given in the problem, we have two sets of congruent angles and one included side is common in both triangles.
Using Angle-Side-Angle congruence of triangles, both the triangles would be congruent too.
Using CPCTC, we can say opposite sides of quadrilateral would be congruent.
Therefore, all sides in given quadrilateral are equal.
Hence, Given quadrilateral is a Rhombus.
The tangent ratio compares the length of what to the length of what
Answers
Tanx = (C.O) / (C.A)
Where,
x: angle
C.O: Opposite leg.
C.A: Adjacent leg.
Therefore the tangent compares the length of the opposite leg with the length of the adjacent leg.
Answer:
the tangent compares the length of the opposite leg with the length of the adjacent leg
Tanx = (C.O) / (C.A)
The stem-and-leaf plot shows the number of home runs hit by the top major league baseball players in the 2000 season. stem leaf 3 0 0 0 0 1 1 1 1 1 1 1 2 2 2 3 3 4 4 4 5 5 5 6 6 6 7 7 8 8 9 4 0 1 1 1 1 2 2 3 3 3 4 4 7 7 9 5 0 3⏐0 ? 30 what is the probability that one of these players picked at random hit more than 35 home runs
Answers
the probability is number of players with more than 35 home runs divided by number of players
The sum of three consecutive even integers is 222. find the three integers.
Answers
3x = 219
x = 73
Integers are 73 74 and 75
All the events for the volunteer committee need to be finished;____, parents' day needs to be completed.
Choose the transitional word or phrase that best fits the blank.
A. In essence
B. Similarly
C. Finally
D. In particular
Answers
We use the term "similarly" because the volunteer committee and parents' day events are not related, but both need to be completed. The word "similarly" is used to compare the two events by stating that they both need to be completed.
Let set C = {even numbers between 1 and 99} and set D = {numbers between 1 and 150 that are evenly divisible by 10}.
What is C ∩ D?
@ganeshie8,
Answers
PLEASE PLEEAASE HELP!! You have a 5-question multiple-choice test. Each question has four choices. You don’t know any of the answers. What is the experimental probability that you will guess exactly three out of five questions correctly? Type your answer below using complete sentences,
Answers
In the figure, TR−→− and TV−→− are secants to circle A. mRV=99∘ mSU=45∘ What is the measure of ∠RTV ? Enter your answer in the box.
Answers
Choose an equation for the relationship between the measures of the segments, angles, and arcs.
Answers
The correct equation for the relationship between the measures of the segments, angles, and arcs is [tex]PR^2[/tex] = PS * PT. The last option is the right choice.
Power of a Tangent: We know that the power of a point from an external point P to a circle is equal to the product of the lengths of the two tangents drawn from P to the circle (PQ * PR = PS * PT).
Identify the Tangents and Secant: In the given diagram, PR is the secant intersecting the circle at points T and S, and PQ and PS are the tangents drawn from P to points Q and S, respectively.
Apply the Power of a Tangent Theorem: Since PS and PT are tangents from P, we can apply the power of a tangent theorem to get:
PS * PT = PQ * PR.
Substitute PQ with PR: Since PQ and PR are both tangents drawn from the same point P, they have the same length (PQ = PR). Substituting PQ with PR in the equation, we get:
PS * PT = PR * PR.
Simplify the Equation: Simplifying the equation PR * PR = PS * PT, we get the final equation:
[tex]PR^2[/tex] = PS * PT.
Therefore, the equation [tex]PR^2[/tex] = PS * PT correctly represents the relationship between the measures of the segments, angles, and arcs in the given diagram.
The last option is the right choice.
Kenny has $1,400 in the bank. He earns $150 every week at his afterschool job. What is the rate of change for the scenario described?
2
150
300
1,400
@tylermcmullen23,
Answers
Answer:
150
Step-by-step explanation:
a horse trots in a circle at the end of a 4m rope. About how far does the horse trotted after completing ten circles?
Answers
Circumference of each circle=2x(pi)xr
=2(Pi)x10
=25.13
For ten circles=25.13x10
=251.33
Find 1 round
--------------------------------------------------
1 round of the circle = πD
1 round of the circle = π(2x4)
1 round of the circle =8π
--------------------------------------------------
Find 10 rounds
--------------------------------------------------
10 round of the circle = 8π x 10
10 round of the circle = 80π
10 round of the circle = 251.33 m
--------------------------------------------------
Answer: 251.33 m
--------------------------------------------------
The surface area of a rectangular prism is 792 units2. The length of the prism is 2 times the width, and the width is 4 times the height. What is the volume of the prism?
Answers
Answer:
The real answer is 846 ^-^ I got it right
The volume of the rectangular prism is 105.57
What is the volume of a rectangular prism?A rectangular prism is a three-dimensional shape that has two at the top and bottom and four are lateral faces.
The volume of a rectangular prism=Length X Width X Height
Where l, h and w represent the length, height and width respectively.
Given that;
Length of the prism is 2 times the width L = 2w
the width is 4 times the height w = 4h
Now let’s plug these values;
the surface area equation, it becomes;
A = 2(2w(w) + w(w/4) + w/4(2w))
A = 2(2w^2 + w^2/4 + w^2/2)
A = 1/2(7w^2)
792 x2 = 7w^2
w = 15.04
The volume of a rectangular prism=Length X Width X Height
V = 2w x w x w/4
V x 2 = w³
V = 15.04³/2
V = 105.57
Thus, the volume is 105.57.
Learn more about a rectangular prism;
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Which expressions are equivalent to the one below? Check all that apply. 9x
Answers
Answer:
C.),F.),andD.) Are correct
Step-by-step explanation:
Option: C, D and F are the correct options.
C. [tex](\dfrac{36}{4})^x[/tex]
D. [tex]9\cdot 9^{x-1}[/tex]
F. [tex]\dfrac{36^x}{4^x}[/tex]
Step-by-step explanation:We are asked to find the expression which is equivalent to:
[tex]9^x[/tex]
C)
[tex](\dfrac{36}{4})^x[/tex]
We know that:
[tex](\dfrac{36}{4})^x=9^x[/tex]
Since, 36/4=9
Hence, option: C is correct.
D)
[tex]9\cdot 9^{x-1}=9^{1+x-1}[/tex]
Since,
[tex]a^m\cdot a^n=a^{m+n}[/tex]
Hence,
[tex]9\cdot 9^{x-1}=9^x[/tex]
Hence, option: D is correct.
F)
[tex]\dfrac{36^x}{4^x}[/tex]
We know that:
[tex]\dfrac{36^x}{4^x}=(\dfrac{36}{4})^x[/tex]
Since, we know that:
[tex]\dfrac{a^n}{b^n}=(\dfrac{a}{b})^n[/tex]
Hence, we have:
[tex]\dfrac{36^x}{4^x}=9^x[/tex]
Since, 36/4=9
Hence, option: F is the correct answer.
The strength of the force of gravity depends ona.the masses of the objects and their speeds.
b.the masses of the objects and the distance between them.
c.the weight of the objects and their speeds.
d.the masses of the objects and their weights.
Answers
Does anybody have the answer, please?
Answers
x is half of arc 148°
x=148/2
x=74
What is the radian measure of the central angle of an arc that has an arc length of 3 units and a radius of 4 units?
Find the arc length intercepted by a central angle of pi/2 radians in a circle whose radius is 24 inches.
Find the measure of a central angle that intercepts an arc of 27 inches in a circle whose radius is 10 inches.
Answers
s = rФ
For the first question, we have the arc length (3 units) and the radius of circle (4 units) and we need to find the radian measure of central angle of the arc. Substituting the values in the above formula we get:
3=4Ф
⇒
Ф=3/4 = 0.75 radians
For the second question, we have the central angle (π/2 radians) and the radius of circle(24 inches). We need to find the length of the arc. Substituting the values in above equation, we get:
s = 24 x (π/2) = 12π inches
The third question is similar to the first one. The arc length is given (27 inches) and radius of circle is given to be (10 inches). We are to find the radian measure of central angle. Substituting the values in above equation, we get:
27=10Ф
⇒
Ф=2.7 radians
Answer:
Step-by-step explanation:
What is the measure of the central angle?
Answer : 140°
What ratio represents the measure of the central angle compared to the measure of the entire circle?
Answer7/18
If s = , what is the length of minor arc AB?
Answer : 14π
Jason knows that the equation to calculate the period of a simple pendulum is , where T is the period, L is the length of the rod, and g is the acceleration due to gravity. He also knows that the frequency (f) of the pendulum is the reciprocal of its period. How can he express L in terms of g and f?
Answers
1/(2πf) = √(L/g) . . . . . divide by 2π
1/(2πf)^2 = L/g . . . . . .square both sides
g/(2πf)^2 = L . . . . . . .multiply by g
L = g/(4π^2f^2) . . . . . . . matches the 1st selection
Answer-
[tex]\boxed{\boxed{L=\dfrac{g}{4\pi^2 f^2}}}[/tex]
Solution-
The equation for time period of a simple pendulum is given by,
[tex]T=2\pi \sqrt{\dfrac{L}{g}}[/tex]
Where,
T = Time period,
L = Length of the rod,
g = Acceleration due to gravity.
Frequency (f) of the pendulum is the reciprocal of its period, i.e
[tex]f=\dfrac{1}{T}\ \Rightarrow T=\dfrac{1}{f}[/tex]
Putting the values,
[tex]\Rightarrow \dfrac{1}{f}=2\pi \sqrt{\dfrac{L}{g}}[/tex]
[tex]\Rightarrow (\dfrac{1}{f})^2=(2\pi \sqrt{\dfrac{L}{g}})^2[/tex]
[tex]\Rightarrow \dfrac{1}{f^2}=4\pi^2 \dfrac{L}{g}[/tex]
[tex]\Rightarrow L=\dfrac{g}{4\pi^2 f^2}[/tex]
The difference between 3.6 and a number is 2.95, as shown below. What number should go in the box to complete the subtraction problem?
Numerical Answers Expected!
Answers
3.6 - 2.95 = .65
Hope it helps ;)))
Write an equation for the line whose data is in the table below
X:1 2 5
Y: 4 6 12
Answers
this is the equation for the graph
If possible, choose k so that the following function is continuous on any interval:
f(x)= (5x^4-20x^3)/(x-4) , x≠4
f(x)= K , x=4
k=?,
Answers
In order to do that, factorize the numerator:
5x⁴ - 20x³ = 5x³(x-4)
This way, your function will be:
f(x) = 5x³(x-4) / (x-4)
and the two parentheses cancel out, leaving
f(x) = 5x³
which at x = 4 gives:
f(4) = 5·4³ = 5 · 64 = 320
Therefore K = 320.
Using continuity concepts, it is found that K = 320 makes the function continuous.
------------------
A function f(x) is said to be continuous at x = a if:
[tex]\lim_{x \rightarrow a^{-}} = \lim_{x \rightarrow a^{+}} = f(a)[/tex]
------------------
The piece-wise function given is:
[tex]f(x) = \frac{5x^4 - 20x^3}{x-4}, x \neq 4[/tex]
[tex]f(x) = K, x = 4[/tex]
------------------
The definition for x different of 4 can be simplified, as follows:
[tex]f(x) = \frac{5x^4 - 20x^3}{x-4} = \frac{5x^3(x - 4)}{x - 4} = 5x^3[/tex]
Thus, the simplified definition is:
[tex]f(x) = 5x^3, x \neq 4[/tex]
[tex]f(x) = K, x = 4[/tex]
------------------
For the lateral limits, x is close to but not exactly 4, so the first definition is used.
[tex]\lim_{x \rightarrow 4^-} = \lim_{x \rightarrow 4} 5x^3 = 5(4)^3 = 5 \times 64 = 320[/tex]
[tex]\lim_{x \rightarrow 4^+} = \lim_{x \rightarrow 4} 5x^3 = 5(4)^3 = 5 \times 64 = 320[/tex]
------------------
For continuity, it is needed that:
[tex]f(4) = 320[/tex]
Thus:
[tex]K = 320[/tex] makes the function continuous.
A similar problem is given at https://brainly.com/question/14755764
Rachel is selling T-shirts. It costs her $5 each week to advertise her T-shirts. She buys each T-shirt for $3.50 and sells each one for $8.00. Write an equation to model the amount of profit, P, she makes from selling x T-shirts in one week.
P = 3.50x − 5
P = 8x − 3.5
P = 5x + 3.5
P = 4.5x − 5
Answers
so
P=4.5x-5
cole grew 2 3/4 inches last year kelly grew the same amount which fraction below represent the number of inches that kelly grew last year
Answers
2 3/4 can be 11/4 as an improper fraction.
3/4 can change into anything such as, 12/16 or 3000/4000 while 2 still remains the same.
Let me know if you need any additional help. =)
please help 1. another term for adding money to an account is
A) additional
B) submission
C) contribute
D) payment
2. which situation allows you to have the most saved
A) having a set amount set aside for savings each time you are paid
B) having a set minimum or percentage for saving whichever is greater
C) having a percentage set aside for savings
D) having a percentage set aside for savings when your pay is higher and hours are more
Answers
1. Another term for adding money to an account is - contribute
One should contribute to his account. This phrase means, one should add money to his account. Contribution is addition of money in account.
2. Which situation allows you to have the most saved ?
A) having a set amount set aside for savings each time you are paid- this can be the most possible answer. Technically a person should save 20% to 25% of his income and this amount increases with income. So, each time when you are paid, set aside the savings amount.
If you rewrite the problem 14(22) as 14(20+2) so that you can use mental math, which of the following properties will you use?
*nevermind I got it*
Answers
Commutative property.
We have then that:
14 (20 + 2) = 280 + 28 = 308
Equivalently:
14 (2 + 20) = 28 + 280 = 308
Either way the result is exactly the same.
Answer:
Commutative property.