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tatuchka [14]
3 years ago
8

Find the domain of each function using interval notation.

Mathematics
1 answer:
polet [3.4K]3 years ago
8 0

Answer:

(3, \infty)

Step-by-step explanation:

You have the square root of an expression in the denominator.

A square root cannot have a negative number inside, but it can have zero or positive.

Since this square root is in the denominator, it also cannot have a zero inside; it can only have positive values inside. You must set the expression inside the square root greater than zero, and solve for x.

x - 3 > 0

x > 3

(3, \infty)

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14
Nuetrik [128]

Answer:

Distance LM = 5.20 unit (Approx.)

Step-by-step explanation:

Given coordinates;

L(1, 4, 7) and M(2, 9, 8)

Find:

Distance LM

Computation:

Distance between three-dimensional plane = √(x2 - x1)² + (y2 - y1)² + (z2 - z1)²

Distance LM = √(2 - 1)² + (9 - 4)² + (8 - 7)²

Distance LM = √(1)² + (5)² + (1)²

Distance LM = √1 + 25 + 1

Distance LM = √27

Distance LM = 3√3 unit

Distance LM = 3(1.732)

Distance LM = 5.196

Distance LM = 5.20 unit (Approx.)

5 0
3 years ago
Given that a=43 ,b=82 , and c=28, solve triangle abc. round to the nearest tenth.
Virty [35]

Answer:

NO triangle exists.

Step-by-step explanation:

Given that the sides of the triangle are  a=43 ,b=82 , and c=28

To solve for unknown angles of the triangle

PLease refresh the triangle rule of inequality that the sum of any two sides is always greater than the third side

Before solving the triangle, let us check whether this is true.

a+b >c

b+c>a

But a+c is not greater than b.

Hence there cannot be any real triangle with these sides given.

Answer is no triangle exists.

3 0
3 years ago
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What's 100 to the nearest 10th
elena-s [515]

Answer:

110

Step-by-step explanation:

8 0
3 years ago
1 (6x + 21) - 4x = 15
valina [46]

Answer:

7

Step-by-step explanation:

It is seven since fist, you add like terms. then you divide ALL by three.

7 0
3 years ago
Marianna is painting a ramp for the school play in the shape of a right triangular prism. The ramp has dimensions as shown below
Andru [333]

Answer:

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Step-by-step explanation:

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3 years ago
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