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Tomtit [17]
2 years ago
6

Rewrite without parentheses. 7xy2+−4y43x52

Mathematics
1 answer:
vodka [1.7K]2 years ago
6 0
I would use photo math! also there is already no parennthisis

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What is the range for the set of scores: 7, 8, 11, 15, 17, 20?
Sloan [31]

The range of the set of scores is 13.

Here,

The set of scores:

7, 8, 11, 15, 17, 20

We have to find the range of the set of scores.

What is Range of set?

The range is the difference between the highest and lowest values within a set of numbers. To calculate range, subtract the smallest number from the largest number in the set.

Now,

The highest number = 20

The lowest number = 7

Hence, Range of the data set = 20 - 7 = 13

So, The range of the set of scores is 13.

Learn more about the range visit:

brainly.com/question/14111289

#SPJ4

7 0
2 years ago
Answer my math question I asked so many times I lost most of points by
wariber [46]

Answer:

a=1

b=2

c=-8

y-intercept: (0, -8)

Line of symmetry calculation: x = -2/(2*1)

Line of symmetry: -1

Opens up because a > 0

Minimum

Vertex: (-1, -9)

Domain: -∞ < x < ∞ (no domain constraints)

Range: [-9, ∞]

Step-by-step explanation:

4 0
2 years ago
Satellite dishes are shaped like parabolas to optimally revive signals. The cross section of a satellite dish can be modeled by
Anna11 [10]

The cross section of the satellite dish is an illustration of a quadratic function

The quadratic function that models the cross-section is y = 1/6(x^2 - 9)

<h3>How to determie the equation of the cross-section?</h3>

The given parameters are:

Width = 6 feet

Depth = 1.5 feet

Express the width the sum of two equal numbers

Width = 3 + 3

The above means that, the equation of the cross section passes through the x-axis at:

x = -3 and 3

So, we have:

y = a(x - 3) * (x + 3)

Express as the difference of two squares

y = a(x^2 - 9)

The depth is 1.5.

This is represented as: (x,y) =(0,-1.5)

So, we have:

-1.5 = a(0^2 - 9)

Evaluate the exponent

-1.5 = -9a

Divide both sides by -9

a = 1/6

Substitute 1/6 for a in y = a(x^2 - 9)

y = 1/6(x^2 - 9)

Hence, the quadratic function that models the cross-section is y = 1/6(x^2 - 9)

Read more about quadratic functions at:

brainly.com/question/1497716

7 0
2 years ago
Add.
Vikki [24]

Answer:

5/6

Step-by-step explanation:

9/30 + 16/30 = 25/30 = 5/6

3 0
3 years ago
Read 2 more answers
You are at a concert and the seating area is shown below. Suppose you think each person takes up 2 square feet, estimate the att
Nataliya [291]

Answer:

I think its 183.750

Step-by-step explanation:

(700 multiplied by 525) divided by 2 equals 183.750

5 0
3 years ago
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