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KATRIN_1 [288]
2 years ago
6

2x2-5x-2 solve by quadratic formula 9leave answers in simplest radical form)

Mathematics
1 answer:
Talja [164]2 years ago
6 0

Answer:

-5x+2

Step-by-step explanation:

1. Multiply number 2 and 2=4 so it is

4-5x-2

2. Combine like terms

-5x+4-2

3. Subtract the numbers

-5x+2

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vampirchik [111]

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3 years ago
The volume of a cylinder is 320 pi cm cubed. The radius of the base of the cylinder is 4 cm. What is the height of the cylinder?
Dmitrij [34]

Answer:

h = 20 cm

Step-by-step explanation:

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6 0
3 years ago
Tell whether (4, 27) is a solution of y=3x+15
Brilliant_brown [7]

Answer:

Yes

Step-by-step explanation:

We have two properties for our question :

(4, 27)

y = 3x + 15

We are being asked whether the point (4, 27) is a solution of y = 3x + 15

So how do we figure this out? Well, what we have to know first that (4, 27)  represents a variable, 4 which is the run on the graph, represents x in a solution. And 27 which is the rise on the graph, represents y in the solution. So when asking for a solution with two points, all we must do is substitute x and y for the two coordinates.

y = 3x + 15

y = 27 and x = 4

27 = 3(4) + 15

27 = 12 + 15

27 = 27

Since this equation is true with the respected variables, therefore signifies that (4,27) is a solution of y = 3x + 15

5 0
3 years ago
A rose garden is designed by joining a rectangle and a semicircle, as shown below. the rectangle is 31ft long and 19ft wide. if
Ipatiy [6.2K]
This problem is currently unsolvable as we do not know if the semi-circle has a radius of 31 or 19.
3 0
3 years ago
Which of the diagram represents the inequality x=1?
lina2011 [118]
<h3>Answer: Diagram C</h3>

Reason: Any point in the shaded yellow region has an x coordinate larger than 1. Points on the dashed boundary line are not part of the solution set.

8 0
3 years ago
Read 2 more answers
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