Answer:
1/3
Step-by-step explanation:
slope is equal to the rate of change, and the equation for it is
change of y divided by change of x
if you were to pick two points of this graph, lets use (-4,-3) and (2,-1), you do the following:
(-4,-3) and (2,-1)
-3-(-1)=-2
(-4,-3) and (2,-1)
-4-2=-6
-2/-6=1/3
QUESTION 6 / VRAAG 6 Your sister is 25 years old and wants to buy a house when she turns 35 years old (in 10 years exactly). She calculates that she will need a R350 000 deposit to afford a mortgage instalment considering that the prime interest rate will rise in the following year. How much money must she invest monthly if you make her first investment today, which is at the end of the month, and she receive a return of 9% per year (nominal), (NACM) on the investment? / Jou sister is 25 jaar oud en
To afford a R350,000 deposit for a house in 10 years, your sister will need to invest approximately R1,909.26 per month, assuming a 9% annual nominal return on investment (NACM).
To calculate the monthly investment required, we can use the future value of an ordinary annuity formula:
FV = P × [(1 + r)^n - 1] / r
Where:
FV = Future value (R350,000)
P = Monthly investment
r = Monthly interest rate (9% ÷ 12 = 0.0075)
n = Number of periods (10 years × 12 months = 120)
Rearranging the formula to solve for P, we get:
P = FV × (r / [(1 + r)^n - 1])
Substituting the given values, we have:
P = R350,000 × (0.0075 / [(1 + 0.0075)^120 - 1])
≈ R1,909.26
Therefore, your sister would need to invest approximately R1,909.26 per month to accumulate a deposit of R350,000 in 10 years, assuming a 9% annual nominal return on investment.
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as you consider the various factors involved in starting a group, what is the most important factor you have to judge?
As you consider the various factors involved in starting a group, the most important factor you have to judge is the group's purpose or goal.
Step 1: Identify the group's purpose or goal - This is crucial because it will guide all other decisions, including membership criteria, communication methods, and meeting schedules.
Step 2: Assess the needs and resources of potential members - This will help you understand their motivations and ensure the group can support their needs while accomplishing its goal.
Step 3: Establish clear membership criteria and expectations - This will ensure that everyone in the group is on the same page and committed to the same goals.
Step 4: Choose an appropriate communication method - This will facilitate smooth and efficient communication among group members.
Step 5: Develop a meeting schedule that works for all members - Regular meetings help keep the group on track and provide opportunities for collaboration and feedback.
By focusing on the group's purpose or goal, you can create a solid foundation for a successful and productive group.
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Kent can paint a room in twice as fast as Luannda. Together they can paint the room in 5 hours. How long would it take Kent to paint the room alone? Write an equation to solve
Answer:
for kent it would be \(\frac{1}{5}\)
Step-by-step explanation:
The computation is shown below:
Let us assume Luannda be \(\frac{x}{1}\)
And for kent be 2x
Together they take 5 hours
So
\(\frac{x}{1} + \frac{2x}{1} = 5\ hours\\\\3x = 5\\\\x = \frac{5}{3}\)
So for kent it would be \(\frac{1}{5}\)
Consider the three triangular pyramids.
Pyramid 1
Pyramid 2
Pyramid 3
Triangular pyramid 1. The base has a base of 12 meters and height of 2 meters. The height of the pyramid is 10 meters.
Triangular pyramid 2. The base has a base of 6 meters and height of 4 meters. The height of the pyramid is 10 meters.
Triangular pyramid 3. The base has a base of 12 meters and height of 4 meters. The height of the pyramid is 5 meters.
Which statement about their volumes is true? (Recall the formula V = one-third B h.)
O All three pyramids have the same volume.
O All three pyramids have different volumes.
O Only pyramids 1 and 2 have the same volume.
O Only pyramids 1 and 3 have the same volume.
9514 1404 393
Answer:
(a) All three pyramids have the same volume
Step-by-step explanation:
The triangular base has an area of ...
B = 1/2bh . . . . where b is the base of the triangle and h is its height.
The volume of the pyramid is ...
V = 1/3BH . . . . where B is the area of the base, and H is the height of the pyramid.
Combining these equations gives ...
V = 1/3(1/2bh)H = 1/6bhH
__
Pyramid 1 volume
V1 = 1/6(12 m)(2 m)(10 m) = 40 m³
Pyramid 2 volume
V2 = 1/6(6 m)(4 m)(10 m) = 40 m³
Pyramid 3 volume
V3 = 1/6(12 m)(4 m)(5 m) = 40 m³
All three pyramids have the same volume.
The superintendent of a large school district wants to estimate the percent of district residents who support the building of a new middle school. To gather data, the superintendent will select a random sample of district residents.Which of the following is the most appropriate method for creating such an estimate? *
i. A one-sample z -interval for a sample proportion
ii. A two-sample z -interval for a difference between population proportions
iii. A two-sample z -interval for a population proportion
iv. A one-sample z -interval for a difference between population proportions
v. A one-sample z -interval for a population proportion
The most appropriate method for creating an estimate of the percent of district residents who support the building of a new middle school would be v. A one-sample z-interval for a population proportion.
In this case, the superintendent wants to estimate the proportion (percentage) of district residents who support the building of a new middle school. To achieve this, a random sample of district residents can be selected, and the proportion of residents in the sample who support the new middle school can be calculated.
Since the sample size is relatively large (as it is a large school district), the sampling distribution can be assumed to follow a normal distribution. Therefore, a one-sample z-interval for a population proportion is suitable for estimating the proportion of district residents who support the new middle school.
Using this method, a confidence interval can be constructed around the sample proportion, providing an estimate of the true proportion of district residents who support the new middle school, along with a measure of uncertainty.
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please help me due soon
Answer:
- 7.2
Step-by-step explanation:
it is division and we need to take the reciprocal and multiply it will be -9/5. we need to simplify leaving us -7.2
Write a short statement that expresses a possible relationship between the variables, (rate of pedaling. speed of bicycle) A. As the rate of pedaling increases, the speed of a bicycle increases. B. As the speed of a bicycle decreases, the rate of pedaling increases. C. As the speed of a bicycle increases, the rate of pedaling decreases. D. As the rate of pedaling increases the speed of a bicycle decreases
The most appropriate statement that expresses a possible relationship between the variables, rate of pedaling and speed of a bicycle, is option A: "As the rate of pedaling increases, the speed of a bicycle increases."
This statement suggests that there is a positive correlation between the rate of pedaling and the resulting speed of the bicycle. When a cyclist pedals faster, it generates more force and power, translating into increased speed. This relationship aligns with basic principles of physics, as a greater input of energy and effort through pedaling leads to a higher velocity or speed output.
Option B implies that decreasing bicycle speed necessitates an increase in the rate of pedaling, and option C indicates that increasing bicycle speed is associated with a decrease in the rate of pedaling.
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Round 27.2847 to the nearest a. tenth and b. hundredth. SHOW YOUR WORK AND NO LINKS PLEASE, THANK YOU!
Answer:
A. 27.3
B. 27.28
Step-by-step explanation:
You would have to round the tenth place up because of the 8 in the hundredths place, and for the hundredth place you would have to see if the thousandths place is higher than a 5 and if not don’t round up.
Answer:
a=27.3000
b=27.2800
Step-by-step explanation:
you just look at the decimal places and ignore the whole numbers for now the you look at the 2 since it is tenth the number at its back will add one to it because 8 is greater than 5 and it becomes 3 since we added 1 to 2 . our number then becomes 27.3 and the zeros you can remove them or put them it doesn't matter.
According to a survey, 67.5% of Californians prefer hot weather over cold weather. Let X = number of Californians in a sample of 19 who prefer hot weather over cold weather. What is the probability that at least 16 Californians prefer hot weather over cold weather? O 0.9098 O 0.0902 0.0284 0.0618
The correct option is 0.9098. The probability that at least 16 Californians prefer hot weather over cold weather is 0.9098.
According to a survey, 67.5% of Californians prefer hot weather over cold weather. Let X = number of Californians in a sample of 19 who prefer hot weather over cold weather. Then, the probability that at least 16 Californians prefer hot weather over cold weather can be calculated by using the cumulative binomial probability formula. Let X = the number of Californians in a sample of 19 who prefer hot weather over cold weather.
The formula for calculating the cumulative binomial probability is: P(X≥k) = ∑i=kn P(X=i)
In this example, k = 16, n = 19, and P(X=i) = 0.675
Therefore, P(X≥16) = ∑i=1619 P(X=i) = 0.9098
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Question content area top
Part 1
Write an equivalent expression without parentheses. Then simplify the result.
m−(8−3m)
using exponents, On simplifying the equation, we get =4m+8.
The PEMDAS order of operations must be followed when you want to simplify a mathematical equation without using parenthesis (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction). There are no parenthesis in the expression, so you may start looking for exponents. If it does, first make that simpler.
What is the main objective of simplification?Work simplification is to develop better work processes that boost output while cutting waste and costs.
What does simplifying mean in algebra?Simplifying an expression is the same as solving a mathematical issue. When you simplify an equation, you essentially try to write it as simply as you can. There shouldn't be any more multiplication, dividing, adding, or deleting to be done when the process is finished.
Given equation,
m-(8-3m)
=m-8+3m
=4m+8
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a heated election is coming up where people will select the all-time favorite cartoon. we take a poll before the election to see how the race is shaping up. according to this poll, 34% of the people say they will vote for bugs bunny and 26% say they will vote for baby shark. the poll has an error of /- 5%. based on this result, can one say that in the population, more people clearly support bugs bunny over baby shark? group of answer choices yes, as the confidence intervals for the two groups do not overlap no, as the confidence intervals for the two groups overlap yes, as the percentage of people supporting bugs bunny in the poll was higher. no, as the percentage of people supporting baby shark was lower.
The confidence intervals for Bugs Bunny and Baby Shark are [32.3%, 35.7%] and [24.7%, 27.3%] respectively, with a margin of error of 5%. Since these intervals overlap, one cannot say with certainty that more people clearly support Bugs Bunny over Baby Shark in the population based on the poll results. Further research or a larger sample size would be needed to determine the true support for each candidate.
In a heated election, people will vote for their all-time favorite cartoon. Before the election, a poll was taken to see the results and it showed that 34% of the people said they will vote for Bugs Bunny, and 26% said they will vote for Baby Shark. The poll had an error of +/- 5%. Based on this result, one cannot say that in the population, more people clearly support Bugs Bunny over Baby Shark, as the confidence intervals for the two groups overlap.
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Which inverse operations could you use to solve the equation m5−8=−6? Select all that apply.
A
Multiply each side by 5 and then add 8 to each side.
B
Add 8 to each side and then multiply each side by 5.
C
Add 8 to each side and then divide each side by 5.
D
Subtract 8 from each side and then multiply each side by 5.
E
Subtract 6 from each side and then multiply each side by 8.
F
Multiply each side by 5 and then add 40 to each side.
Answer:
Correct option: C
Step-by-step explanation:
To solve the equation m*5 - 8 = -6, we can use the following steps:
step1: sum 8 in both sides, to make m*5 be the only term in the left side.
m*5 = 2
step2: divide both sides by 5, then we will have 'm' isolated in the left side.
m = 2/5
So the operations we could use is: add 8 to each side and then divide each side by 5.
Correct option: C
If each quadrilateral below is a square, solve for x.
X =
Answer:
x=11°
Step-by-step explanation:
We can see that the square is split into 4 triangles. We also have the midpoint T. Because Each angle of a square is 90 degrees and ∠PQR is divided in half, m∠PQT=45 degrees. By substitution, (4x+1)=45°
Solve:
(4x+1)=45°
4x=44°
x=11°
PLEASE MARK AS BRAINLIESTWhich inequality is represented by the number line?
A. |2x + 1| > 7
B. 2|x + 1| < 8
C. |2x - 1| > 9
D.2 |x - 1| < 10
The number line is represented by the inequality -
Option C - |2x - 1| ≥ 9
What is an inequality?
In Algebra, an inequality is a mathematical statement that uses the inequality symbol to illustrate the relationship between two expressions. An inequality symbol has non-equal expressions on both sides. It indicates that the phrase on the left should be bigger or smaller than the expression on the right, or vice versa.
The number line indicates two filled circles which suggests the inequality contains (≤,≥) symbols and is inclusive of range.
The first inequality will be x ≤ -4 since the value is starting from -4 and moving towards negative infinity.
Similarly, the second inequality will be x ≥ 5 since the value is starting from 5 and moving towards positive infinity.
The compound inequality that results in same is -
|2x - 1| ≥ 9
Apply the absolute rule -
2x - 1 ≥ 9 or 2x - 1 ≤ -9
Solve the inequality -
2x - 1 ≥ 9 or 2x - 1 ≤ -9
2x - 1 + 1 ≥ 9 + 1 or 2x - 1 + 1 ≤ -9 + 1
2x ≥ 10 or 2x ≤ -8
x ≥ 5 or x ≤ -4
Therefore, the inequality is |2x - 1| ≥ 9.
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find the slope intercept equation for the graph below pLz!!!
Answer:
y=4/3x-1
Step-by-step explanation:
Slope-intercept form: y=mx+b where m is slope and b is y-intercept
We can see that the y-intercept is (0,-1)
The slope is (3-(-1))/(3-0)=4/3
(HELP!!) Please Factor Completely
Last year Jonathan was 59 and 5/8 inches tall. This year he is 64 and 3/8 inches tall. How many
inches did he grow?
Answer: John grew 4 and 3/4 inches in one year.
Step-by-step explanation:
Start by subtracting 64.375 (64 and 3/8) by 59.625 (59 and 5/8).
Type your numbers into a calculator (both ways can be put into your calculator, but decimals are easier for you to type)
Get your final answer of 4.75.
Hope this helps!
6+ax=-29 a=0 solve for x
The given equation solved for x is x = -25/a
Solving an EquationFrom the question, we are to solve for x in the given equation, provided that a≠0
The given equation is
6 + ax = -29
Solving the equation
6 + ax = -29
Subtract 6 from both sides
6 - 6 + ax = -29 - 6
ax = -25
Divide both sides of the equation by a '
ax/a = -25/a
x = -25/a
Hence, the solution is x = -25/a
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A triangle has a base length of 3ac² and a height 5 centimeters more than the base length. Find the area of the
triangle if a = 4 and c=5
The area of the triangle will be equal to 45750 square centimeters.
What is an area?The space occupied by any two-dimensional figure in a plane is called the area. The space occupied by the triangle in a two-dimensional plane is called the area of the triangle.
Given that:-
A triangle has a base length of 3ac² and a height of 5 centimeters more than the base length. Find the area of the triangle if a = 4 and c=5
Here the base will be calculated as:-
B = 3ac² = 3 x (4) x (5²) = 300
H = 3ac² + 5 = 300 + 5 = 305
The area will be calculated by the formula:-
A = \(\dfrac{1}{2}\) x B x H
A = \(\dfrac{1}{2}\) x 300 x 305
A = 45750 square centimeter.
Therefore the area of the triangle will be equal to 45750 square centimeters.
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please help me with this real quick.
Andrew had 9 strawberries and at 3/4 of them,Julie had 10 strawberries and ate 4/5 of them who ate more?
Answer: Julie ate more
Step-by-step explanation: trust me bro
Answer:
julie ate more
Step-by-step explanation:
Which of the following is another way to express the equation 8 - (-d) = 43?
Answer:
8 - 35 = 43
Step-by-step explanation:
Im not sure if that is the answer you are looking for. If not, can your clarify and show me the answer choices?
Answer:
8 + d = 43
Step-by-step explanation:
We are doing inverse operations so we need to do addition instead of subtraction.
Hope this helped!
Algebra homework please help
Answer:
Asympnotes:
Vertical: x = -1
Horizontal: none
The sum of two numbers is 21. 3/4of one of the numbers added to 2/3 of the other gives a sum of 15. Find the two numbers.
Answer:
First, We'll take two numbers as 'x' and 'y', and their sum is given as 21 i.e. x + y = 21 . 3/4th of 'x' and 2/3rd of 'y' when added gives 15 i.e.
(3/4)x + (2/3)y = 15. Now, we've got two equations and we'll solve them to get the value of x and y which will be the two numbers.
Step-by-step explanation:
let,
first number = x
second number = y
then , x + y = 21
according to the question,
(3/4)x + (2/3)y = 15
Now, solve these equations :
on solving, we get :
x = 12 & y = 9
Hence, the two numbers are 12 and 9.
Compute the flux of the vector field F (x,y,z)=xi+yj through the surface S , which is the part of the surface z=9−(x2+y2) above the disk of radius 3 centered at the origin, oriented upward.
The flux can be computed as Flux= ∫₀³ ∫₀³ (-2u^2 - 2v^2 + 1)dudv and this double integral will yield the flux of the vector field F through the surface S.
To compute the flux of the vector field F(x, y, z) = xi + yj through the surface S, we can use the surface integral of the vector field over S. The surface S is defined as the part of the surface z = 9 - (x^2 + y^2) above the disk of radius 3 centered at the origin, and it is oriented upward.
The flux of a vector field through a surface is given by the surface integral:
Flux = ∬S F · dS
where F is the vector field, dS is the differential surface area vector, and the double integral is taken over the surface S.
To compute the flux, we need to evaluate the surface integral over S. First, we need to parameterize the surface S in terms of two variables, say u and v.
Let's define the parameterization of S as follows:
x = u
y = v
z = 9 - (u^2 + v^2)
To compute the differential surface area vector dS, we need to take the cross product of the partial derivatives of the parameterization:
dS = ∂r/∂u × ∂r/∂v
where r(u, v) = xi + yj + zk is the position vector.
Let's calculate the partial derivatives:
∂r/∂u = i + 0j - 2u(k)
∂r/∂v = 0i + j - 2v(k)
Taking the cross product, we get:
dS = (∂r/∂u × ∂r/∂v) = -2u(i) + 2v(j) + (1 - 0)k = -2ui + 2vj + k
Now that we have the parameterization and the differential surface area vector, we can compute the flux:
Flux = ∬S F · dS
Substituting the given vector field F(x, y, z) = xi + yj and dS = -2ui + 2vj + k, we have:
Flux = ∬S (xi + yj) · (-2ui + 2vj + k)
Expanding the dot product:
Flux = ∬S (-2xu - 2yv + 1)dA
where dA represents the differential area element.
The next step is to evaluate the double integral over the surface S. Since S is defined as the part of the surface z = 9 - (x^2 + y^2) above the disk of radius 3 centered at the origin, we can limit the integral to the region of the disk.
The disk is defined as u^2 + v^2 ≤ 3^2, which means 0 ≤ u ≤ 3 and 0 ≤ v ≤ 3.
Thus, the flux can be computed as:
Flux = ∬S (-2xu - 2yv + 1)dA
= ∫₀³ ∫₀³ (-2u^2 - 2v^2 + 1)dudv
Evaluating this double integral will yield the flux of the vector field F through the surface S.
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The graph shows the distance Liam traveled from school in miles (V) as a function of time in seconds (x). The graph is divided into four
segments labeled P, Q, R, and S, respectively.
Distance
(mi)
P
Time (sec)
Which segment shows Liam waiting for a cab? P, Q, R, or S
the last one it was typed wrong please help!
Answer:
R
Step-by-step explanation:
R since it is staying in the same place which is called a constant line. It stays in the same place since she isn't moving, she is just standing there waiting for the cab. Plz mark as brainliest
1- In Euclidean space, the locus of points equidistant from the origin of a plane is a circle What is the locus of points equidistant (in the spacetime distance seme) from the origin of a spacetime plane? 151 2. A ruler of length L. In at rest in with its left and at the origin. O moves from left to right with speed relative to o along the length of the ruler. The two origins coincide ut time zero for both, at which time a photon is emitted toward the other end of the rulut. What are the coordinates in Olof the event at which the photon maches the other end? (10) 3. The Earth and Alpha Centauri are 43 light years apart. Ignore their relative motion Events A and B occur att on Earth and at 1 year on Alpha Centauri, respectively. (a) What is the time difference between the events according to an observer moving at B - 0.98 from Earth to Alpha Centauri? (b) What is the time difference between the events according to an observer moving at 3 = 0.98 from Alpha Centauri to Earth? (c) What is the speed of a spacecraft that makes the trip from Alpha Centauri to Earth in 2.5 years according to the spacecraft clocks? (d) What is the trip time in the Earth rest frame? [5+5+5+51 + Plane polar coordinates are related to cartesian coordinates by x=rcos and y = rsin. Describe the transformation matrix that maps cartesian coordinates to polar coordinates, and write down the polar coordinate basis vectors in terms of the basis vectors of cartesian coordinates. [51 5- suppose that we are given a basis ei, es consisting of a pair of vectors making a 45° angle with one another, such that ei hus length 2 and ez has length 1. Find the dual basis vectors for the case of covariant components of the vectors. [101
1. In the context of spacetime, the locus of points equidistant from the origin of a spacetime plane is a hyperbola.
In Euclidean space, the distance between two points is given by the Pythagorean theorem, which only considers spatial dimensions. However, in spacetime, the concept of distance is extended to include both spatial and temporal components. The spacetime distance, also known as the interval, is given by the Minkowski metric:
ds^2 = -c^2*dt^2 + dx^2 + dy^2 + dz^2,
where c is the speed of light, dt represents the temporal component, and dx, dy, dz represent the spatial components.
To determine the locus of points equidistant from the origin, we need to find the set of points where the spacetime interval from the origin is constant. Setting ds^2 equal to a constant value, say k^2, we have:
-c^2*dt^2 + dx^2 + dy^2 + dz^2 = k^2.
If we focus on a spacetime plane where dy = dz = 0, the equation simplifies to:
-c^2*dt^2 + dx^2 = k^2.
This equation represents a hyperbola in the spacetime plane. It differs from a circle in Euclidean space due to the presence of the negative sign in front of the temporal component, which introduces a difference in the geometry.
Therefore, the locus of points equidistant from the origin in a spacetime plane is a hyperbola.
(Note: The explanation provided assumes a flat spacetime geometry described by the Minkowski metric. In the case of a curved spacetime, such as that described by general relativity, the shape of the locus of equidistant points would be more complex and depend on the specific curvature of spacetime.)
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AABC has vertices A(-3,-4), B(1,5), and C(4.1). AABC is translated so that B'is located at point (-3, 2). State the
coordinates of A' and C', where AA'B'C' is the translation of AABC.
A. A'(-7, -7), C'(0, -2)
B. A-6, -8), C'(1, -3)
C. A'(-4,-3), C'(1,-4)
D. A'(1,-1), C'(8,4)
Answer:
Step 1: Identify the coordinates of each of the vertices of the triangle.
Step 2: Translate each point by adding the horizontal translation value to the x-coordinate of each vertex and the vertical translation value to the y-coordinate of each point. For these translations, add a negative number if the horizontal translation is to the left or if the vertical translation is downward.
Step 3: Plot the three translated points and draw the triangle by connecting each pair of points with a straight line.
Step-by-step explanation:
Triangle: A triangle is a three-sided geometric figure made by connecting each pair of points in a set of three with straight lines. The points that define a triangle are known as vertices
The volume of a cone is 37x³ cubic units and its height is x units.
Which expression represents the radius of the cone's base, in units?
3x
6x
О Злх2
97X2
The radius of the cone's base in the unit is 9*7x².
Which expression represents the radius of the cone's base, in units?Given:
The volume of a cone is 3*7x³ cubic units Its height is x units.To find:
The expression represents the radius of the cone's base, in units.Solution:
As we know, the volume of the cone formula is
V = πr²h/3
So, lets us compare the above formula with the given expression;
πr²h/3 = 3*7x³
Here, h is represented as x, we get;
πr²x/3 = 3*7x³
πr²/3 = 3*7x²
r²= 9*7x²
Hence, the radius of the cone's base, in units, is 9*7x².
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Find the length of the missing side
Answer:
52
Step-by-step explanation:
To solve, use the Pythagorean Theorem, which says c² = a² + b². Enter 20 as a and 48 as b and square them both. This will give you 400 for a, and 2304 as b. Add them to get 2704. So, c² = 2704. Find the square root of this to get 52. So, the third side is 52 in length.