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3 years ago

8

Mental Math A typical tip in a restaurant is 15% of the total bill. If the bill is $120, what would the typical tip be? The typi

cal tip would be $

2 answers:

pychu [463]3 years ago

4 0

Answer:

18 dollars and zero cents

Step-by-step explanation:

120×15%

bulgar [2K]3 years ago

3 0

18$ and 20 cents big dawg

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ms. poe is buying towels for her apartment.she finds some green towels that cost $3 each and blue towels that cost $4 each. She

Yuki888 [10]

She could but 6 blue towels and 8 green ones.

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3 years ago

The results of a poll indicate that between 33% and 37% of the population of a town visit the library at least once a year.

oee [108]

It is 2%

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3 years ago

In a survey of 2957 adults, 1455 say hey have started paying bills online in the least year construct a 99% confidence interval

Vikki [24]

Answer: 0.49 ± 0.0237

Step-by-step explanation: A interval of a 99% confidence interval for the population proportion can be found by:

$p_{hat}$ ± z. $\sqrt{\frac{p_{hat}(1-p_{hat})}{n} }$

$p_{hat}$ is the proportion:

$p_{hat}$ = $\frac{1455}{2957}$

$p_{hat}$ = 0.49

For a 99% confidence interval, z = 2.576:

0.49 ± 2.576. $\sqrt{\frac{0.49(1-0.49)}{2957} }$

0.49 ± 2.576. $\sqrt{\frac{0.49*0.51}{2957} }$

0.49 ± 2.576.(0.0092)

0.49 ± 0.0237

For a <u>99% confidence interval</u>, the proportion will be between 0.4663 and 0.5137 or 0.49 ± 0.0237

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3 years ago

X=5-3Y<br> X=2Y-10<br> Whats the answer

prohojiy [21]

X = 5 - 3y
x = 2y - 10

5 - 3y = 2y - 10
<u> + 3y + 3y </u>
   5 = 5y - 10
<u>+ 10 + 10</u>
   <u>15</u> = <u>5y</u>
      5     5
   3 = y
x = 2y - 10
x = 2(3) - 10
x = 6 - 10
x = -4
(x, y) = (-4, 3)

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3 years ago

Read 2 more answers

Can someone please please help :(

stiks02 [169]

Answer:

DANG bro im sorry i feel bad for uu

Step-by-step explanation:

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3 years ago