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1 year ago

Megan ate lunch at a restaurant. The bill came to $99. If she left an 18% tip, what was the total cost of her lunch?

Mathematics

2 answers:

Rashid [163]1 year ago

7 0

$116.82. I hope this helps. Please give brainliest I really need this brainly to make my mom proud lol : === )

ss7ja [257]1 year ago

5 0

Answer:

$116.82

Step-by-step explanation:

18% of $99 = $17.82

$99+ $17.82= $116.82

So therefore her bill came to $116.82

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Suppose that the cost of producing n pairs of shoes is given by the expression c(n)=30+5n. the average cost of producing a pair

makkiz [27]

<h3>Given</h3>

$c(n)=30+5n\\a(n)=\dfrac{c(n)}{n}$

$\dfrac{d}{dn}(a(n))\quad\text{at n=10}$

<h3>Solution</h3>

$\dfrac{d}{dn}(a(n))=\dfrac{d}{dn}\left(\dfrac{30+5n}{n}\right)=\dfrac{d}{dn}\left(30n^{-1}+5\right)\\\\=-30n^{-2}\\\\=-30\cdot 10^{-2}\qquad\text{at n=10}\\\\=-0.30$

The derivative of the average cost function at n=10 is -0.30.

7 0

3 years ago

NEED THESE ANSWERED ASAP SO I CAN GRADUATE THIS WEEK

babunello [35]

For this case we must solve each of the equations proposed:

A) $-6 (2s-1) = 30$

We apply distributive property to the terms within parentheses:

$-12s + 6 = 30$

Subtracting 6 from both sides of the equation we have:

$-12s = 24$

Dividing between -12 on both sides of the equation:

$s = \frac {24} {- 12}s = -2$

B) $-3m = -5 (m-8)$

We apply distributive property to the terms within parentheses:

$-3m = -5m + 40$

We add 5m on both sides of the equation:

$2m = 40$

Dividing between 2 on both sides of the equation:

$m = \frac {40} {2}\\m = 20$

C) $7 (2-g) = 49$

We apply distributive property to the terms within parentheses:

$14-7g = 49$

We subtract 14 from both sides of the equation:

$-7g = 35$

Dividing between -7 on both sides of the equation:

$g = \frac {35} {- 7}\\g = -5$

D) - $7 (3w + 4) = 14$

We apply distributive property to the terms within parentheses:

$-21w-28 = 14$

We add 28 to both sides of the equation:

$-21w = 42$

Dividing between -21 on both sides of the equation:

$w = \frac {42} {- 21}\\w = -2$

Answer:

$s = -2\\m = 20\\g = -5\\w = -2$

6 0

2 years ago

Read 2 more answers

A right triangle has a hypotenuse of length 9 inches. If one angle is 35 degrees, find the length of each leg.

Montano1993 [528]

<span>90 + 35 = 125.
180 -125 = 55 degrees.

4.59^2 + 6.55^2 = 8^2
21.1 + 42.9= 64 inches</span>

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3 years ago

A hairstylist earns a 25% commission on each haircut she does. One customer received a $35 haircut and gave the stylist an 18% t

mina [271]

The answer for this one is 10.33

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3 years ago

Emma Drew 13 hearts and 20 circles what is the ratio of hearts to all shape

wariber [46]

9514 1404 393

Answer:

13 : 33

Step-by-step explanation:

hearts : all shapes = hearts : (hearts + circles) = 13 : (13 +20) = 13 : 33

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2 years ago