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creativ13 [48]
2 years ago
8

Simplify the expression: 2(4 + 6f) plz help this is my end of the year assesment Thanks!

Mathematics
2 answers:
Ganezh [65]2 years ago
7 0

Answer:

8+12f

Step-by-step explanation:

um you just multply 4 and 6 by 2

julia-pushkina [17]2 years ago
3 0

Answer:

8+12f

hope this helps

have a good day :)

Step-by-step explanation:

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Y = x² – 4 y = 2r + 4​<br><br>Solve algebraicallu for the solutions of equations below.
oksano4ka [1.4K]

Step-by-step explanation:

Okay, the first step is to rewrite this equation in "vertex form." You can search that up but it's basically just (h/k).

y = ( x − 1) 2 + 3

Now, we are going to use the vertex form, "y = a (x - h)2 + k, to get the values of a, h, and k.

By using the form we get 1 for the value a, 1 for the value h, and 3 for the value k.

1 = a

1 = h

3 = k

Becuse the value of a is positive, the parabola opens up!  (A parabola is the U shaped line in a graph, so that opens up.)

Now, we find the vertex (h,k)

which is (1,3)

Now we find the p from the vertex to the focus.  (vertext the top, focus one of the points.)

Follow this formula to find the distance from the vertex to a focus by using this formula

1/4a.

Now we just gonna substitue 1 for a, since we know that 1 equals a above ^

1/4 * 1

Solving that, we got a nice little 1/4.

Next we find the focus

"Find the focus.

The focus of a parabola can be found by adding p to the y-coordinate k if the parabola opens up or down.

(h,k+p)

Substitute the known values of h, p, and k into the formula and simplify.

(1,134)

Find the axis of symmetry by finding the line that passes through the vertex and the focus.

x=1

Find the directrix.

y=114

Use the properties of the parabola to analyze and graph the parabola.

Direction: Opens Up

Vertex: (1,3)

Focus: (1,134)

Axis of Symmetry: x=1

Directrix: y=114

Select a few x values, and plug them into the equation to find the corresponding y values. The x values should be selected around the vertex.

xy−1704132437

Graph the parabola using its properties and the selected points.

Direction: Opens Up

Vertex: (1,3)

Focus: (1,134)

Axis of Symmetry: x=1

Directrix: y=114

xy−17041324"

(Sorry if this is long! But I hope you understand it better now! Thanks for the points!)

3 0
2 years ago
What is the actual distance of 23cm
Vera_Pavlovna [14]

Answer:

23 cm = 0.23 m or  9.055118 inches

Step-by-step explanation:

5 0
3 years ago
Is 2y-x/6-4=0 a linear function
noname [10]

A equation of a linear function in a standard form:

Ax + By = C

2y-\dfrac{x}{6}-4=0\ \ \ \ |\cdot(-6)\\\\-12y+x+24=0\ \ \ \ |-24\\\\-12y+x=-24\\\\\boxed{x-12y=-24}

<h3>Answer: YES. It's a linear function.</h3>
3 0
3 years ago
WILL GIVE BRAINLIEST, 5 STARS, AND THANKS
Gelneren [198K]
(5)(6)(8) = 240
240 blocks in one box.
(240)(3) = 720
720 blocks in three boxes
6 0
3 years ago
Read 2 more answers
Given f(x) = –2 – 1, find f(5).
sveta [45]
-2 - 1 = -3
The answer is -3.
3 0
3 years ago
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