Ted bought four bunches of fennel for $9. How many bunches of fennel can deshawn buy if he had $18

Mathematics

1 answer:

krek1111 [17]4 years ago

7 0

Answer:

8 bunches

Step-by-step explanation:

if 4 bunches are $9

18/9 = 2 *4 =8

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The axis of symmetry for a function in the form f(x) = x2 + 4x − 5 is x = −2. What are the coordinates of the vertex of the grap

Studentka2010 [4]

Answer:

D) $(-2,-9)$

Step-by-step explanation:

<u>Vertex Form of a Vertical Parabola:</u>

$y=a(x-h)^2+k$

Vertex -> $(h,k)$

Axis of Symmetry -> $x=h$

Vertical Scale Factor -> $a$

To turn $f(x)=x^2+4x-5$ into vertex form, we need to complete the square on the right side
Therefore, if $f(x)=0$ , then $0+9=x^2+4x-5+9$ completes the square on the right side
This becomes $9=(x+2)^2$
This means that our function in vertex form is $f(x)=(x+2)^2-9$

Therefore, the vertex of the graph is $(h,k)=(-2,-9)$ .

3 0

3 years ago

How to solve - (9-5c) + 18 - c = 37

AysviL [449]

Simplify the left side
4c+9=37

Move all terms NOT containing C to the right side of the equation
4c=28

Divide each term by 4 and simplify
28 divided by 4

Answer
C=7

7 0

3 years ago

Simplify the following given - 3x² + 2x-4 and x =-2.

Stels [109]

Answer:

-20

Step-by-step explanation:

Substitute the value of x (-2) into the equation.

-3(-2) square +-4-4

-3(4) -8

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