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Mrac [35]
3 years ago
5

Which point is located at

Mathematics
1 answer:
Andrew [12]3 years ago
3 0

Answer:

The question is not complete

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Select all the expressions that equal.. *see picture for problem* ​
kupik [55]

Answer:

Step-by-step explanation:

oknjbgfkdfrgn jnfbfl

7 0
3 years ago
I think I know how to solve this, but could someone please check my work for me?
Fiesta28 [93]
Answer is :

 cos⁻¹[(-1-4√7)/(√17, √8) = 173.33° ≈ 173°

5 0
3 years ago
The length of a rectangle is 5 units more than twice its width. Find an expression for the perimeter of the rectangle.
kolezko [41]
The width would be 10
length would be 15
8 0
3 years ago
1. Given the equation (x – 3)2 – 32 = 17 a)
m_a_m_a [10]
We know that

The square root property<span> is one method that is used to find the solutions to a quadratic equation.  This method involves taking the square roots of both sides of the equation.  
</span>(x – 3)² – 32 = 17-------> (x – 3)² = 17+32-----------> (x – 3)² = 49
(x – 3)² = 7²--------> <span>will take the square root of each side
</span>so
√(x – 3)²=(+-)√7²------> <span>notice the use of the </span> sign (+-), this will give us both a positive and<span>  a negative root
</span>
then

x-3=7--------> x=10
x-3=-7-------> x=-4

the answer Part a) is
x=10
x=-4

Part b) Explain why the given equation has two solutions.

the answer part b) is
Because exist<span> the possibility of two roots for every square root, one positive and one negative</span>
6 0
3 years ago
What is the difference in volume between a sphere with radius r and a sphere with radius 0.3r?
REY [17]
The volume of the sphere of radius r is:
 V1 = (4/3) * (pi) * (r ^ 3)
 Where,
 r: sphere radius:
 The volume of the sphere of radius 0.3r is:
 V2 = (4/3) * (pi) * ((0.3r) ^ 3)
 Rewriting:
 V2 = (4/3) * (pi) * (0.027 (r) ^ 3)
 V2 = 0.027 (4/3) * (pi) * (r ^ 3)
 V2 = 0.027V1
 The difference is:
 V1-V2 = V1-0.027V1 = V1 (1-0.027)
 V1-V2 = 0.973 * (4/3) * (pi) * (r ^ 3)
 Answer:
 
the difference in volume between a sphere with radius and a sphere with radius 0.3r is:
 
V1-V2 = 0.973 * (4/3) * (pi) * (r ^ 3)
8 0
3 years ago
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