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4 years ago

5

Mark and his three friend's ate at Applebee's. Their bill totaled $52.35. if they left the server a 20% tip, how much would each

person pay splitting the bill evenly?

1 answer:

kompoz [17]4 years ago

6 0

Check the attachment.

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PPLZZZZ HELPP FAST!!!

Reptile [31]

Answer:

(-2, 1)

EXPLAIN:

use elimination method

7 0

3 years ago

Read 2 more answers

Which expression is equivalent to (4 + 7i)(3 + 4i)?

ANTONII [103]

Answer:

the answer is -16+37i

Step-by-step explanation:

4 0

3 years ago

if the length of the drawbridge, r, is 20 meters and the point p is 16 meters above the roadway , what is the distance d?

zhenek [66]

I'm assuming that the figure formed in this problem is a right angle. Thus, we need to use the Pythagorean theorem to get the distance or the hypotenuse.

Length = 20 meters
Height = 16 meters

a² + b² = c²

(20m)² + (16m)² = c²
400m² + 256m² = c²
656m² = c²
√656m² = √c²
25.61 m = c

The distance is 25.61 meters.

8 0

4 years ago

Differentiate with respect to x:y= sinh^-1(x^2+1)

Aleks [24]

Answer:

The first derivative of $y = \sinh^{-1} (x^{2}+1)$ is $y' = \frac{2\cdot x}{\sqrt{x^{2}+2\cdot x +2}}$ .

Step-by-step explanation:

We proceed to find the first derivative of $y = \sinh^{-1} (x^{2}+1)$ by explicit differentiation and rule of chain:

$y = \sinh^{-1} (x^{2}+1)$

$y' = \frac{2\cdot x}{\sqrt{(x^{2}+1)^{2}+1}}$

$y' = \frac{2\cdot x}{\sqrt{x^{2}+2\cdot x +2}}$

The first derivative of $y = \sinh^{-1} (x^{2}+1)$ is $y' = \frac{2\cdot x}{\sqrt{x^{2}+2\cdot x +2}}$ .

8 0

3 years ago

What is the simplified form of this expression? (2x + 9) + (11x − 4)

timama [110]

The simplified form is 13x+5

You first add 2x and 11x, where you will get 13x, and from there, you subtract 4 from 9, where you will get 5, resulting in the answer of 13x+5.

Hope this helps :)

4 0

4 years ago