2.3 Where in real-life will we come across something that is more than 100%
e.g.135 %? Give two examples.
2.4 Look at the given question: +
Analyse the answer of one learner. Identify the leamer's misconceptions
applicable in the different steps and explain how the misconceptions can be
(6)
rectified.
1/2 + + 7× 2 / 2
LAS
** × 2*5
2.V 5
6x5
10
lo alo
STEP I
STEP 2.
STEP 3
STEP 4

Answers

Answer 1

Real-life examples of values more than 100%:

a. In finance, when a stock or an investment increases in value by more than 100%, it indicates that the return on the investment has exceeded the initial amount.

What's the example?

For example, a stock price increase by 135% means that the current value is 2.35 times the original investment.

b. In sports, when athletes give their performance ratings, it is common to hear them claim to give more than 100%. For example, an athlete might say they gave 135% effort during a game, symbolizing their extraordinary commitment and dedication to the sport.

Analyzing the learner's work:

1/2 + 7× 2 / 2

LAS (likely means "least to greatest" order of operations)

** × 2*5 (misconception: unclear operation, possibly meant to multiply by 2 and then by 5)

2.V 5 (misconception: unclear notation, possibly meant to represent a calculation)

6x5 (misconception: incorrect calculation from the previous step)

10 (misconception: incorrect result from previous calculation)

Misconceptions can be rectified by:

Reviewing the order of operations (PEMDAS/BODMAS): Parentheses/Brackets, Exponents/Orders, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Clearly stating the operations and using correct notation.

Double-checking calculations to ensure accuracy.'

The correct solution:

1/2 + 7× 2 / 2

= 1/2 + (7×2) / 2

= 1/2 + 14 / 2

= 1/2 + 7

= 7.5

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Related Questions

OMG PLEASE I BEG I NEED HELP 5th grade math

OMG PLEASE I BEG I NEED HELP 5th grade math

Answers

Answer: A

Step-by-step explanation:

Volume= LxWxH so we get 20x28x24 as given.

Volume= 13,440 which is the volume of the box given. ANd so if the box is 10,500cubic inches, we subtract to find the difference.

13,440-10,500= 2,940 Cubic Inches

Option A

Answer:

Part A:  13440 cubic inches.

Part B: A - 2940 cubic inches.

Step-by-step explanation:

The volume of the box = 24x20x28 = 13440 cubic inches.

The problem tells us that his gift is 10,500 cubic inches. So subtract that from the volume of the box.

13440-10500 = 2940 cubic inches. The answer is A.

Use the information above to answer the questions that follow.
2.2.1
2.2.2
2.2.3
2.2.4
sanitation in Johannesburg if a property is 175 m².
Write down, to the nearest ten cents and excluding VAT, the cost for
Calculate the cost for 4,1 ke sanitation in Cape Town before the increase.
Mr Jones lives in Johannesburg and Ms Brown lives in Cape Town. They
both own a property with an area of 550 m² and each was billed for 22 kl
sanitation.
Use the table above to determine the difference in the cost of sanitation
for the two properties.
Explain how the tariff system used in Johannesburg is beneficial to
home owners in terms of water usage.
(2)
(8)
(2)
[34]
mor
MO
ud.
0
0

Answers

Mr. Jones in Johannesburg is billed R9,767.12 and Ms. Brown in Cape Town is billed R680.24 for their respective properties.

From the provided information for Cape Town's sanitation tariffs:

0-4.2 kl: R16.03 per kl

Since 4.1 ke is equivalent to 4100 liters, which is less than 4.2 kl, we can use the tariff rate for the 0-4.2 kl range.

Cost for 4.1 ke of sanitation

= 4.1 ke x R16.03 per kl

= 4100 liters x R16.03 per kl

= R65.83

For Mr. Jones and Ms. Brown, who own properties with an area of 550 m² each and were billed for 22 kl of sanitation.

we need to determine the applicable tariff rate based on the property size and calculate the cost.

In Johannesburg, based on the provided information, the tariff rate for properties larger than 300 m² to 1,000 m² is R443.96.

Cost of sanitation for Mr. Jones in Johannesburg:

= 22 kl x R443.96 per kl

= R9,767.12

Cost of sanitation for Ms. Brown in Cape Town:

= 22 kl x R30.92 per kl = R680.24

Therefore, Mr. Jones in Johannesburg is billed R9,767.12 and Ms. Brown in Cape Town is billed R680.24 for their respective properties.

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4x-5 2x+7 Find the value of x

answers should be from
27
37
47
57​

4x-5 2x+7 Find the value of xanswers should be from 27374757

Answers

To find the value of x that satisfies the given equations:

4x - 5 = 2x + 7

First, let's simplify the equation by combining like terms:

4x - 2x = 7 + 5

2x = 12

Next, divide both sides of the equation by 2 to solve for x:

x = 12 / 2

x = 6

Therefore, the value of x that satisfies the equation is 6. None of the provided answer options (27, 37, 47, 57) are equal to 6.

Three friends compare the balances in their checking accounts.

The balance in Al's account is $32.60.
The balance in Dee's account is 34 the balance in Al's account.
The balance in Zac's account is $49.08 less than the balance in Dee's account.What is the balance in Zac's account?

Answers

Answer:

34%

Step-by-step explanation

34% (I believe)

If 2x-y=9 and 3x+4y=19, then y=

Answers

Answer:

x = 5

y = 1

Step-by-step explanation:

2x - y = 9

3x + 4y = 19

We multiply the first equation by 4

8x - 4y = 36

3x + 4y = 19

11x = 55

x = 5

Now we put 5 in for x and solve for y

2(5) - y = 9

10 - y = 9

-y = -1

y = 1

Let's Check the answer

2(5) - 1 = 9

10 - 1 = 9

9 = 9

So, x = 5 and y = 1 is the correct answer.

1st Question:
Solve: 3/x-4>0

X<4
X>-4
X>4
X<-4

2nd Question:
Solve x+2/x-4<0

-4 -2 -2 -4

Answers

Answer:

1) 3/4 = x

Step-by-step explanation:

1) 3/x -4 >0

=3/x -4+4>0 +4

=3/x> 4

switch 4 with x

x = 3/4

so literally the ans is x< 4

sorry but I don't know how to do the second question ☹️☹️

Answer:

first Question answer is x > 4.         The second question answer is –2 < x < 4

Step-by-step explanation:

EDGE 2021

What is x in this figure?

What is x in this figure?

Answers

Answer: x=36

Assuming that O is the centre of the circle,

108+a+a=180(sum of the interior angles of a triangle is 180)

2a=180-108

2a=72

a=72÷2

a=36

a=x (angles in the same segment are equal)

Therefore x=36

Step-by-step explanation:

Factor −5x2 + 10x factoring algebraic expressions

Answers

Answer:

To factor −5x2 + 10x, we can first factor out the common factor of −5x from both terms, which gives:

−5x(x - 2)

Therefore, the factored form of −5x2 + 10x is −5x(x - 2).

Number of Computers
72
60
48
36
24
12
V
1 2 3 4 5 6 7 8 9 10 11 12
Number of Days
The graph shows a proportional relationship between
the number of computers produced at a factory per day.
In three days, 36 computers are produced; 48
computers are produced in 4 days; and 60 computers
are produced in 5 days.
Find the unit rate of computers per day using the graph.
Unit rate:
computers per day

Answers

The unit rate of computers per day using the graph is that 12 computers are made per day.

What is a unit rate?

The unit rate is how many units of quantity correspond to the single unit of another quantity. We say that when the denominator in rate is 1, it is called unit rate. Unit rates is said to be the amount of something in each unit or per unit.

How to find the unit rate of computers per day

To obtain the unit rate of computers sold per day using the graph, we need to obtain the slope of the graph, which is the change in y per change in x

So, it is given by:

\(\text{Slope} = \dfrac{\text{change in y}}{\text{change in x}}\)

\(\text{Slope} = \dfrac{\text{y}_2-\text{y}_1}{\text{x}_2-\text{x}_1}\)

\(\text{y}_2 = 60 , \ \text{y}_1 = 36 , \ \text{x}_2 = 5, \ \text{x}_1 = 3.\)

\(\text{Slope} = \dfrac{(60 - 36)}{(5 - 3)} = \dfrac{24}{2} = 12\)

\(\bold{Slope = 12}\)

Unit rate = 12 computers per day.

The attachment of the graph is given below.

Therefore, the unit rate of computers per day is 12.

Learn more about the unit rate at:

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Number of Computers726048362412V1 2 3 4 5 6 7 8 9 10 11 12Number of DaysThe graph shows a proportional

The inpatient census at midnight is 75. Four patients were admitted in the morning; one died 4 hours later, three were transferred to another facility the same day. The inpatient service days for that day will be

Answers

The inpatient census at midnight is 75

if four patients where admitted this brings the census to 79

one died

inpatient service days should be 79

The daily inpatient census is correctly defined as the number of inpatients present at census-taking time each day plus the number of inpatients who were both admitted and discharged after the census-taking time the previous day.

HELP PLZ DUR 11;59 plz help me

HELP PLZ DUR 11;59 plz help me

Answers

Answer:

Base = 10 cm

Height = 60 cm

Step-by-step explanation:

The formula for the area of a triangle is  \(area=\frac{1}{2} *b*h\) , where b is the length of the base of the triangle, and h is the length of the height of the triangle.

We know the area is 300, and since the height of the triangle is 6 times its base, we know that \(h=6*b\). We can plug in these values into our formula for the area of a triangle, which gives us the following equation to solve:

\(300=\frac{1}{2} *b*(6*b)\)

\(3b^2=300\)

\(b=\sqrt{100} =10\)

The base of the triangle is 10 centimeters.

Now that we know the base of the triangle, we can plug its value in to the original formula to solve for the height of the triangle, which gives us the following equation:

\(300=\frac{1}{2} *10*h\)

\(5h=300\)

\(h=60\)

The height of the triangle is 60 centimeters.

Please help Due in 3 Min!

Please help Due in 3 Min!

Answers

The answer is 32 I really hope this helps with

A cylinder has a radius of 4 millimeters. Its volume is 200.96 cubic millimeters. What is the height of the cylinder?

Answers

Answer:

3.999 millimeters.

Step-by-step explanation:

To find the height of the cylinder, we can use the formula for the volume of a cylinder:

V = πr²h

Given that the radius (r) of the cylinder is 4 millimeters and the volume (V) is 200.96 cubic millimeters, we can substitute these values into the formula and solve for the height (h).

200.96 = π(4²)h

200.96 = 16πh

To solve for h, we can divide both sides of the equation by 16π:

200.96 / (16π) = h

Using a calculator, we can calculate the approximate value of h:

h ≈ 200.96 / (16 × 3.14159)

h ≈ 3.999

Therefore, the height of the cylinder is approximately 3.999 millimeters.

Find the distance between the points (-1,6) and (5,6)​

Answers

Answer:

6

Step-by-step explanation:

Input Data :

Point 1  ( x A , y A )  = (-1, 6)

Point 2  ( x B, y B )  = (5, 6)

Objective :

Find the distance between two given points on a line?

Formula :

Distance between two points =  √ ( x B − x A ) 2 + ( yB −y A ) 2

Solution :

Distance between two points =  √ ( 5 −  − 1 ) 2 + ( 6 − 6 ) 2

=  √ 6 ^2 +0^ 2

=  √ 36 + 0

=  √ 36 = 6

Distance between points (-1, 6) and (5, 6) is 6

Find the value of x

Find the value of x

Answers

Answer: The value of x is 49.

Step-by-step explanation:

To find the value of x, you will first need to cross multiply the fractional variables together.

5x - 80 = 3x + 18

Then, move the numerical term 80 to the right side of this equation and add it to 18.

5x - 80 = 3x + 98

Move 3x to the left side of the equation and subtract it this time to the variable 5x.

2x = 98

Finally, you divide both of the equation's sides by 2 and you will get 49.

x = 49

When you actually add x to this problem, you would get 33/55.

49 - 16/49 +6 = 33/55

You can then simplify 33/55 and get the same answer 3/5.

3/5

Therefore, the value of x for this variable equation with the fractions would be equal to x = 49. Hope this helps!

-From 5th Grader Honors Student

so the answer of the equation would be x=49!

Help me gurlz!!!!!!!!!!!!!!!

Help me gurlz!!!!!!!!!!!!!!!

Answers

Step-by-step explanation:

A and 3

B and 1

C and 4

D and 2

I hope this helps :)

On a map, the scale shown is 1 inch : 5 miles. If an island is 2.5 squire inches on the map, what is the actual area of the island? The actual island's area is square miles.​

Answers

Answer:

62.5 square miles

Step-by-step explanation:

if the scale is 1 in. = 5 mi, then 1 square in. = 25 square miles

so if 1 in^2 = 25 mi^2

then you make a proportion

25/1 = x/2.5

(the square inches on the bottom and the square miles on top)

solving for x gives you

x=62.5 square miles

Rewrite 19/8 as a mixed number.

Answers

Answer: 2 3/8

I got an A

Answer:

2 + 3/8

Step-by-step explanation:

Therefore we get 19 / 8 = 2 + 3/8 , which is written as 2 3/8 , called a mixed number. To convert 19/8 you do division; 8 into 19 goes 2 times with 3 left over; so 2 3/8.

A bank deposit paying simple interest grew from an initial amount of $1300 to $1365 in 3 months. Find the interest rate.

%/year

Answers

Answer:

the interest rate. : 5%

[(1365-1300)/1300]*100 = 5%

Step-by-step explanation:

Write an exponential function to describe the given sequence of numbers.
9, 27, 81, 243, 729, ...

Write an exponential function to describe the given sequence of numbers.9, 27, 81, 243, 729, ...

Answers

Answer: 2187

Step-by-step explanation: Raise 3 to the power of 7 = 2187

Which of the following is a true proportion of the figure based on the triangle
proportionality theorem?

Answers

Based on the triangle proportionality theorem, the true proportion is h/j=k/i

How to solve for the true proportion

In the diagram that we have here, we have TU to be parallel to QR.

We have following

ST is equal to h, TQ is equal to j, SU is equal to k and UR is equal to i.

This can then be used to form the equation

ST/TQ = SU/UR

When we h/j = k/i

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Which of the following is a true proportion of the figure based on the triangleproportionality theorem?

Write a quadratic equation that goes through
the points (1,-3), (2,-5), and (-1,-11).

Answers

Answer:

1-3+2-5+-1-11

Step-by-step explanation:

I hope this helps :’)

Use the gcf to factor the expression 40x+24y-56

Answers

Answer:

40x+24y-56=

8(5x+2y-7)

Step-by-step explanation:

In 2003, a school population was 903. By 2007 the population had grown to 1311. How much did the population grow between the year 2003 and 2007? How long did it take the population to grow feom 903 students to 1311 students? What is the average population growth per year?

Answers

Answer:

The average population growth per year is 102.

Step-by-step explanation:

From the given data, we can find the slope which will give us the average rate of change. Our points are:

\((2003, 903)\quad and \quad (2007, 1311)\)

\(\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}=\frac{1311-903}{2007-2003}\\\\m=102\)

Best Regards!

if P = (4,2), Find: Rx=3 (P). Pls help!!

if P = (4,2), Find: Rx=3 (P). Pls help!!

Answers

The coordinates of the reflected point P' will be (4, -3).

When a point is reflected over the x-axis, its y-coordinate changes sign.

In this case, the point P has coordinates (4,3).

To reflect it over the line x=3, we need to keep its x-coordinate the same and change its y-coordinate to its opposite.

So, the x-coordinate of the reflected point will still be 4, but the y-coordinate will become -3.

Therefore, the coordinates of the reflected point P will be (4, -3).

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Answer:

Step-by-step explanation:

Solve for r.

17r+6r+16r+17r–19r=12
r=

Answers

Step 1 (Combine like terms) you are left with 37r=12 divide by 37 on both sides and get r=12/37

Answer: R= 4

Step-by-step explanation:

FOR step by step explanation ask me by my mail , Thanks !

Solve for r.17r+6r+16r+17r19r=12r=

Write the equation for a parabola that has x− intercepts (5,0) and (−6,0) and y− intercept (0,−1).

Answers

The equation for a parabola that has x-intercepts (5,0) and (6,0) and y-intercept (0,1) is: \(y =\) \(a(x + 0.5)^2 - 1\)

The equation of a parabola can be found by using the vertex form of a parabolic equation, which is given by:\(y = a(x - h)^2 + k\), where (h, k) is the vertex of the parabola. In this case, the x-intercepts (5, 0) and (-6, 0) can be used to find the value of h, which is the midpoint between the x-intercepts and is equal to (-6 + 5) / 2 = -0.5.

The y-intercept (0, -1) can be used to find the value of k. So, the equation is:\(y = a(x + 0.5)^2 - 1\), where a is a constant that can be determined by substituting the vertex coordinates (h, k) into the equation.

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Find the value of x and y variable in the following parallelogram

Find the value of x and y variable in the following parallelogram

Answers

Answer:

y + 5 = 3y - 1

2y = 6, so y = 3

4x - 2 = x + 10

3x = 12, so x = 4

Find the value of 35÷c when c= 7.

Answers

Answer:

5

Step-by-step explanation:

when c = 7,

substitute 7, into 35÷c

35 ÷ 7 = 5

Yuhhhhhhhhhhhhhhhh I need help

Yuhhhhhhhhhhhhhhhh I need help

Answers

Answer:

JUST DO 3.142 X 10

ANSWER: 31.42 IN

Step-by-step explanation:

Please mark as brainliest

Have a great day, be safe and healthy

Thank u  

XD

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