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kow [346]
3 years ago
14

Evaluate 3(4-2)^2 :) :)

Mathematics
1 answer:
skad [1K]3 years ago
8 0
Yeah the answer is B. 12
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Susan joined a video rental club . She paid an initiation fee of $12.75, and it cost $0.75 per video that she rented . Write an
Anettt [7]
Y=0.75v +12.75

y is the total cost, and v is the number of videos.
6 0
3 years ago
What's the midpoint of a line segment joining the points (5, –4) and (–13, 12)?
Vikki [24]

Answer:

The midpoint of the line segment is located at (-4, 4).

Step-by-step explanation:

We're given the coordinate points of a line that can help us find the midpoint.

The midpoint formula for a line is written as:

\bullet \ \ \ \displaystyle\big(\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2}\big)

Additionally, we are given the coordinate points (5, -4) and (-13, 12). We can use these and label them with the (x, y) system so we can substitute them into the formula.

In math, a coordinate pair is written as (x, y). This is where cos = x and sin = y. If we are given two coordinate pairs, we can label them with the (x, y) system but also incorporating a subscript to distinguish the two x-values from each other as well as the y-values. We do this by turning the two x-values into x₁ and x₂ and the y-values follow the same protocol: y₁ and y₂.

Therefore, we can label our two coordinates:

<u>(5, -4)</u>

  • x₁ = 5
  • y₁ = -4

<u>(-13, 12)</u>

  • x₂ = -13
  • y₂ = 12

Now, we can place these values into the midpoint formula and simplify to find our midpoint.

Recall that the midpoint formula is:

\bullet \ \ \ \displaystyle\big(\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2}\big)

Therefore, let's substitute these values.

\displaystyle\big(\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2}\big)\\\\\\\big(\frac{5 + (-13)}{2}, \frac{(-4)+12}{2}\big)\\\\\\\big(\frac{-8}{2}, \frac{8}{2}\big)\\\\\\\boxed{(-4, 4)}

Therefore, the midpoint of the line segment is located at (-4, 4), which is Option A.

8 0
3 years ago
Read 2 more answers
NEED HELP QUCKILY PLZ HURRY
Romashka-Z-Leto [24]

Hello from MrBillDoesMath!

Answer:

35

Discussion:

Parallel lines cut by a transversal has corresponding  angles equal. . So the corresponding angles x and (3x-70) are equal. That is,

x = 3x - 70             => add 70 to both sides

x + 70 =  3x           => subtract x from both sides

70 = 3x - x = 2x    => divide both sides by 2

x = 70/2 = 35

which is the third choice

Thank you,

MrB

7 0
3 years ago
Read 2 more answers
Quadrilateral JKLM has vertices J(-4,-1), K(-1,2), L(6,2). For what coordinates of point M is JKLM a parallelogram?
Burka [1]
Answer: B

Look At the pictures Please. :)

I graphed your points so you can see it visually. Look through all the pictures they show my process.

7 0
3 years ago
Maximum and Minimum Values of General Quadratic Functions
e-lub [12.9K]

Answer:

x=-1

y=15

Step-by-step explanation:

This works because completing the square is essentially demonstrating what g(x)  - where g(x) in this case = x^2 - would have to be translated by to give the function you have.

So by completing the square you have shown that the function you've been given has been shifted to the left by -1, stretched by a factor of 2 along the y axis and shifted up by 15.

7 0
3 years ago
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