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elena55 [62]
3 years ago
6

Calculate the average for this list of numbers 1.90 7.99 4.33 5.21

Mathematics
1 answer:
malfutka [58]3 years ago
8 0
What you do is add up all the values, then divide by the number of values.
\frac{1.90+7.99+4.33+5.21}{4}=\frac{19.43}{4}=4.8575
The average of the data is 4.8575.
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Write the vertex form of the quadratic equation by completing the square and upload a picture of your work. y=4x^2+16x-48
luda_lava [24]

The vertex form of the quadratic equation given is  y = 4(2x +1)² -12

<h3>What is an Equation ?</h3>

An equation is formed when two algebraic expressions are equated by an equal sign , It has wide usage in mathematics to find the unknown variables.

A quadratic equation is given

y = 4x² +16x -48

The vertex form has to be written for it

The standard quadratic equation is

y = a(x-h)² +k

where h and k are the vertex

From the given equation

y = 4x² +16x +4 - 4 -8

y = (4x+2)² -12

y = 4(2x +1)² -12

So here it is in the standard form

Vertex is (-1 , -12)

To know more about Equation

brainly.com/question/10413253

#SPJ1

5 0
2 years ago
What's the solution set of –5 &lt; 2x – 1 &lt; 3?
Dmitry [639]

Answer:

The answer is - 2 < x < 2

Step-by-step explanation:

–5 < 2x – 1 < 3

Add 1 to both sides to eliminate - 1

That's

- 5 + 1 < 2x - 1 + 1 < 3+ 1

- 4 < 2x < 4

Divide both sides by 2

That's

- 4/2 < 2x/2 < 4/2

The final answer is

<h3 /><h3>- 2 < x < 2</h3>

Hope this helps you

8 0
2 years ago
Please help someone?!!
Katyanochek1 [597]

Answer:

<h2><em>Its the first one because you add the first week (10) and then go on so thats why i think its the first one!! I hope i helped.</em></h2>

3 0
2 years ago
Ms.Yen works 10 months of 12 each year. Give two fractions that represent the fraction a year she works.
RSB [31]
8/10
10/12
40/42
 any of these show work really

7 0
3 years ago
What expression in terms of x can be used to represent the area of parallelogram PQRS?
borishaifa [10]

Answer:

C. (5x√2)² = 50x²

Step-by-step explanation:

Area of parallelogram = QR²

QR = √((5x)² + (5x)²) ---› pythagorean theorem

QR = √(25x² + 25x²) =

QR = √(50x²)

QR = √(25*2*x²)

QR = 5x√2

✔️Area of parallelogram = QR²

= (5x√2)² = 25x² × 2 = 50x²

4 0
3 years ago
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