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3 years ago

9. Find the slope. Make sure to reduce.

Mathematics

2 answers:

jok3333 [9.3K]3 years ago

7 0

Answer:

-2.

Step-by-step explanation: Since you are going left its a negative slope.

Strike441 [17]3 years ago

6 0

Answer:

-2

Step-by-step explanation:

To find the slope we can do rise over run or y/x

y/x = -2/1 = -2

So that is the slope

And if you need the slope-intercept, it will be -2...and the formula will be

y = -2x - 2

But the slope is -2.

Hope this helped!

Have a supercalifragilisticexpialidocious day!

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Use the Distributive Property to rewrite the expression. 9(y + 4)

Ulleksa [173]

Answer:

Answer would be 9y+36

Step-by-step explanation:

Because if you distribute the 9 inside the parenthesis, you'd get

9*y=9y and 9*4=36

so 9y+36

Hope my answer was helpful to you!

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4 years ago

Vertex Form of Quadratic Functions

Nikitich [7]

The X-intercepts: (1,0),(-7,0)

Axis of symmetry: x= - 3

The vertex: (-3, -8)

The Y-intercept: (0, -7/2)

Concave up or down: concave up

Sketch: a poorly drawn picture on the bottom.

I hope that helps.

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4 years ago

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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2 years ago

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3 years ago

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shepuryov [24]

Answer:

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Step-by-step explanation:

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3 years ago

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