MATHEMATICS HIGH SCHOOL

Find the buying price of each of the following when 5% sales tax is added on the purchase of;1. a pillow for RS. 60
2. two bars of soap at RS.25 each

Answers

Answer 1

Answer: 1. 60 + 60*0.05 = 60 + 3 = 63;
2. 50 + 50*0.05 = 50 + 2.5 = 52.5;

Answer 2

Answer:

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What is the LCD between these fractions 4/9 and 2/3

Answers

The least common multiple that is divisible by both a and b is the smallest positive integer. The LCD between these two fractions 4/9 and 2/3 is 9.

What is LCM?

The least common multiple that is divisible by both a and b is the smallest positive integer, lowest common multiple, or smallest common multiple of two numbers a and b, generally indicated by LCM.

The LCD of two fractions is the LCM of the denominator of the fractions.

Since the denominator of the two fractions is 3 and 9. Therefore, the LCM of the two denominators are,

LCM = 9

Hence, the LCD between these two fractions 4/9 and 2/3 is 9.

Learn more about Least Common Multiple here:

brainly.com/question/20739723

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Answer: Least common denominator = 9

Step-by-step explanation:

The LCD is the lowest multiple of the denominators

9 is a multiple of 1 × 9 or 3 × 3. So since 3 is the denominator of 2/3, 9 is the LCD.

2/3 is equivalent to 6/9.

9. What is the difference between an isometric transformation and one that is not isometric? Provide examples to illustrate at least two isometric transformations and at least one transformation that are not isometric.

Answers

An isometric transformation is a transformation of the objects position, without changing the object itself. There are three types of isometric transformation; translation, reflection, and rotation. Nonisometric transformations change and alter the dimension or shape of an object, like enlargement.

Emily ran her first lap in 75 seconds she ran her second lap in 69 seconds using percentages how much better was her second lap when comapared to her first lap

Answers

Answer:

Her second lap was 8% better when compared to her first lap.

Step-by-step explanation:

Given:

Emily ran her first lap in 75 seconds she ran her second lap in 69 seconds.

Now, to find how much better was her second lap when compared to her first lap.

Emily ran her first lap in 75 seconds.

Emily ran her second lap in 69 seconds.

So, we get the difference in seconds:

$75-69=6\ seconds.$

Thus, in her second lap she was 6 seconds better than first.

Now, to get the percentage of her first lap better than second:

$(6)/(75)* 100$

$=0.08* 100$

$=8\%.$

Therefore, her second lap was 8% better when compared to her first lap.

Find the measure of the angle indicated.1
2
4
3
151°
6
8
7
The measure of angle 7 is

Answers

Answer:

Step-by-step explanation:

Forty-two is what percent of 70? A.21%

B.60%

C.74%

D.167%

Answers

60% is the answer you are seeking.

The parallel postulate states, if there is a line and a point not on the line, then there exists_______line through the point that is parallel to the give line.