How are common denominator and a common multiple alike and different

Answers

Answer 1
Answer: east common multiple is the smallest multiple both numbers can go into. (Example: the LCM of 10 and 4 is 20, because both 10 and 4 go into 20 and 20 is the smallest number both 10 and 4 can go into. You could just multiply them both, but you'd get 40 and since its a bigger number it would be harder to work with.)

Least common denominator is just the least common multiple as a denominator. (Example: if you wanted to find the LCD of 5/7 and 1/10, you'd have to find the LCM of the demoniators (7 and 10) and then just use that as the denominator when adding fractions with unlikely denominators.) Sorry for such a long answer :P

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#15 only please. thanks.

Answers

Easy, 

plotting it on a graph...

(-2,3) (4,3) (4,-4) (-2,-4)

Now, if done correctly, when you count the "points" it should be lengthwise

6 units, and width would be 7

6*7=42

The Area is 42 units squared.

Find the area of the figure

Answers

So it's best in this case to separate both shapes so you have a rectangle and a triangle so to solve the area of a rectangle you do
The following ( picture )
So I hope this helps

Answer:

144.5 cm

Step-by-step explanation:

A line has a slope of -5 and passes through (1,-1).which is the equation of the line in point - slope form?

Answers

the equation of a line which has the slope m and passes through the point A(x1,y1) has the formula:
y-y1=m(x-x1)
in your case m= -5 ; A(x1;y1)=(1;-1)
y-(-1)= -5(x-1)
y+1= -5(x-1)
answer is c 

Answer:

The answer to the question is C) y + 1 = -5(x - 1)

Step-by-step explanation:

In order to find this, we start by looking at the base form of point-slope form.

y - y1 = m(x - x1)

Now we put the slope in for m and the point in for (x1, y1)

y + 1 = -5(x - 1)

16 skateboards to 2 skateboards? (The percentage)

Answers

Answer:

it is 1/8 or 12.5%

it also can be seen as 8:1

the ratio is 8:1. 12.5%

How do you triple rhe surface area of a cone

Answers

Increase the height so that the slant height triples.

For example:
  Say that lateral height is 2 and the radius is 1. The lateral surface area would be 6.28

 if I make the lateral height 6, which is triple the original lateral height, the lateral surface area becomes 18.84, which is triple the original surface area

Hope I help :P

60 paintings. T= Painting from 20th century. B= British painting. A painting is chosen random.it is from the 20 century. Work out the probability it is British

Answers

The probability will be "0.20".

According to the question,

  • The sum of all the areas = 60

then,

  • x(x-2)+x+(2x+8)+10=60
  • x=6

Therefore,

P (British | It's \ from \ the \ 20^(th) \ century) = (n(B \ and \ T))/(n(T))

                                                                 = (x)/(x+x(x-2))

                                                                 = (6)/(6+6(6-2))

                                                                 = (1)/(5)

                                                                 = 0.20

Thus the answer above is right.                                                  

Learn more:

brainly.com/question/6133405

Final answer:

This question is about computing the conditional probability that a painting selected at random is British, given it's from the 20th century. Without specific numbers, the tentative solution is the ratio of the number of British 20th-century paintings to the total number of 20th-century paintings.

Explanation:

The subject here is Probability, a topic within Mathematics. Let us assume without losses in generality that 'T' represents a painting from the 20th century and 'B' represents a British painting. Given 60 paintings, we're selecting one at random. The condition is it's a 20th-century painting ('T') and we need to find the probability that it's also a British painting ('B'). The data given in the question isn't clear enough to give a numerical answer. However, we can give a general solution.

Firstly, we find the number of paintings which are both from 20th century and British. Let's say this number is n. The number of 20th-century paintings would be more than or equal to n. Let's call this N. Therefore, the required probability would be n/N.

Learn more about Conditional Probability here:

brainly.com/question/32171649

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