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Shkiper50 [21]
3 years ago
9

1/4k = 3 ( -1/4k +3 )

Mathematics
1 answer:
Virty [35]3 years ago
5 0

Answer:

K= 9

Step-by-step explanation:

Solve for  

k

by simplifying both sides of the equation, then isolating the variable.

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Sianna bought 3 pens, 4 notebooks, and a calculator. The calculator cost $25. If x represents the cost of each pen and y represe
Mrrafil [7]

Answer:

50 – (3x + 4y + 25)

Step-by-step explanation:

To see how much change she is gonna receive we need to find how much she spent on the items and add them all up:

The calculator was $25

The price of pens and notebooks are unknown so they are represented with x and y respectively.

With given information we can write the following equation to see the change she will receive:

50 – (3x + 4y + 25)

3 0
2 years ago
What is this I don’t know lol help me
Alik [6]
What am I looking for exactly? lol
4 0
3 years ago
The vertex of this parabola is at (2.-3). When the yvalue is -2, the xvalue is 5. What is the coefficient of the squared term in
tatiyna

Answer:

The coefficient of squared term is 1/9

Step-by-step explanation:

The vertex of parabola is (2.-3)

We know the vertex form of a standard parabola

y=a(x-h)^2+k,\text{ where (h,k) is vertex}

Plugging values of h and k, h= 2, k = -3

y=a(x-2)^2-3

Now, x=5, y=-2

-2=a(5-2)^2-3

-2=9a-3

9a=1

a=\frac{1}{9}

Thus, the coefficient of squared term is 1/9

3 0
3 years ago
Gabriel determined that his total cost would be represented by 2. 5x 2y – 2. His sister states that the expression should be x x
lisabon 2012 [21]

The equations of both the sister are the same.

<h2>Expression </h2>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations that are formed according to rules which are dependent on the context.  

<h2>Given to us</h2>

Gabriel Equation: 2.5x+2y-2,

Gabriel's Sister Equation: x+x+0.5x+y+y-2,

<h3>Gabriel's Sister Equation</h3>

On further solving the equation we get,

x+x+0.5x+y+y-2\\=2.5x + 2y-2

As we can see the equation transformed to Gabriel's Equation of total cost.

Therefore, both the sisters are correct as the equations of both the sister are the same.

Learn more about Expression:

brainly.com/question/13947055

8 0
3 years ago
Consider the sequence -9, -5, -1, 3, 7,..
Mrac [35]

Answer:

1) The sequence is arithmetic as the same value is added each time (there is a common difference between terms).

2) First term of the sequence = -9

3) sequence generator = + 4

Step-by-step explanation:

1) The sequence is arithmetic as the same value is added each time (there is a common difference between terms).

2) First term of the sequence = -9

3) sequence generator = + 4

7 0
3 years ago
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