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Veronika [31]
3 years ago
6

Which of these has a y-intercept of (0,7)?

Mathematics
1 answer:
Alexandra [31]3 years ago
5 0
The correct answer is ( C ) because f(0) = 7 ;
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a rectangular lawn has an area of a^3 - 125. use the difference of cubes to find out the dimensions of the rectangle.
ANEK [815]

The area of a rectangle is the product of its dimensions

The dimensions of the rectangle are: \mathbf{Length = a -5} and \mathbf{Width = a^2 + 5a + 25}

The area is given as:

\mathbf{Area = a^3 - 125}

Express 125 as 5^3

\mathbf{Area = a^3 - 5^3}

Apply difference of cubes

\mathbf{Area = (a - 5)(a^2 + 5a + 5^2)}

\mathbf{Area = (a - 5)(a^2 + 5a + 25)}

The area of a rectangle is:

\mathbf{Area = Length \times Width}

So, by comparison:

\mathbf{Length = a -5}

\mathbf{Width = a^2 + 5a + 25}

Read more about areas at:

brainly.com/question/3518080

6 0
2 years ago
After a week he decides he needs more sod so he doubles the dimensions to 20ft.
Bumek [7]
He owes 120 $ all you have to do is multiple 60 and 20 and you will get your answer hope I helped
8 0
4 years ago
What’s the measure of angle c?<br><br><br> Some please answer fast. Please.
kow [346]

Answer: 42

Step-by-step explanation:

Ok what you want to do is add all of them up and equal it to 180 because a triangle is 180 degrees .

Your equation should look like this

9x-3+22x+1+42-3x = 180

What you want to do first is combine all the x and numbers on the left side so it should look like this

1) 28x+40= 180

Then you want to subtract 40 on both sides so it will look like this

2)28x=140

You want to get x by it self so you divide 28 on both sides

3) x=140/28

4) x=5

Since you are finding c you have to insert 5 into x

1) 9(5)-3

2)45-3

Then your answer should be 42

6 0
3 years ago
Factorise fully 8x+6
asambeis [7]

Answer:

Step-by-step explanation:

8x = 2 * 2 * 2 * x

6 = 2* 3

Greatest common factor = 2

8x + 6 = 2*4x + 2*3

          = 2*(4x + 3)

6 0
4 years ago
Read 2 more answers
PLEAZE THIS NEEDS TO BE QUICK
sesenic [268]
Para lá lá no debes de inglês e o de inglês
3 0
3 years ago
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