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3 years ago

( -20 , 14 ) and ( 30, 18)

Mathematics

2 answers:

OlgaM077 [116]3 years ago

7 0

Answer:

2/25 if this is slope.

Step-by-step explanation:

so y^2 refers to the y coordinate of your second point and the same for y^1, but for the first point. Then you want to subtract those. In this one, it would be 18 - 14 = 4. Once you get that, do the same thing for the x coordinates. Ex: 30 - (-20) = 50 (something minus a negative is like addition). Then put your y answer over your x answer as a fraction and simplify. Ex: 4/50 -> 2/25. This is your answer.

Hope this makes since and helps!

pychu [463]3 years ago

7 0

I think 2/25 is the answer but I’m not sure.

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The table shows how many books the students in Bergdalsskolan list during the summer. There were 48 students who list 4 books. a

Juliette [100K]

Step 1:

First, find the total number of students.

Let the total number of students = m

Step 2:

Find the total number of students using the percentage of 4 books.

48 students listed 4 books with a percentage of 16%

$\begin{gathered} 48\text{ = 16\% of m} \\ 48\text{ = }\frac{16}{100}\text{ }\times\text{ m} \\ 48\text{ = }\frac{16m}{100} \\ \text{Cross multiply} \\ 16m\text{ = 48 }\times\text{ 100} \\ 16m\text{ = 4800} \\ \text{m = }\frac{4800}{16} \\ \text{m = 300} \end{gathered}$

Hence, there are 300 students.

$\begin{gathered} \text{Number of students that had 1 book = 24\% of 300} \\ =\text{ }\frac{24}{100}\text{ }\times\text{ 300} \\ =\text{ }\frac{7200}{100} \\ =\text{ 72 students} \end{gathered}$

72 students had 1 book.

b) What percentage more read 2 books than 4 books?

percentage that read 2 books = 36%

percentage that read 4 books = 16%

36 - 16 = 20%

There are 20% students that read 2 books than 4 books.

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1 year ago

Heights in inches of several tomato plants : 16,18,18,20,17,10,18,17 mean absolute deviation :

AysviL [449]

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3 years ago

What is 3/8<br> as an equivalent fraction with the LCM as the denominator?

tino4ka555 [31]

Answer:

3/8 = 9/24

Step-by-step explanation:

So here we have a basic multiplication problem and finding the LCM of 8 and 3. The first step in this problem is finding the LCM of 3/8. The LCM of 3 and 8 is 24. So yay! we have the bottom half of our answer!

Ex.-

The LCM of 8 and 3 is 24.

So now we have to find an equivalent fraction. Since we already know that 8 (the denominator in the original equation) can be multiplied by 3 to equal 24, we use 3 (the numerator in the original equation) and multiply it by itself to get an equivalent fraction.

Ex.-

8 x 3 = 24

3 x 3 = 9

Now that we have our numerator and denominator, all we have to do now is put them together to get our answer.

Ex.-

9/24 (answer) = 3/8 (original equation)

Hopefully I could help! :)

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