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geniusboy [140]
3 years ago
11

Marcy and Lucia had lunch at a restaurant. The bill for the lunch was $24 and they gave the waitress an 18% tip.

Mathematics
2 answers:
Serggg [28]3 years ago
5 0
Your answer is letter
D.
$28.32
TEA [102]3 years ago
5 0
There r 2 ways to do this...

(1) 24 * 1.18 = 28.32
or
(2) 24 + 0.18(24) = 24 + 4.32 = 28.32
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How much simple interest would 1000 earn in 275 days at an interest rate of 4.21%
nikitadnepr [17]
Now, there are 365 (excluding leap years) in a year, so, 275 days is not even a year, but is  275/365 of a year, or 55/73 of a year.

\bf \qquad \textit{Simple Interest Earned}\\\\
I = Prt\qquad 
\begin{cases}
I=\textit{interest earned}\\
P=\textit{original amount deposited}\to& \$1000\\
r=rate\to 4.21\%\to \frac{4.21}{100}\to &0.0421\\
t=years\to \frac{275}{365}\to &\frac{55}{73}
\end{cases}
\\\\\\
I=1000\cdot 0.0421\cdot \cfrac{55}{73}
3 0
2 years ago
There are two functions that can be used to describe the percent of people 25 years and older who have completed at least high s
Korvikt [17]

Answer:

g(15)=93.8\%

see the explanation

Step-by-step explanation:

Let

x ----> the number of years since 2008,

g(x) ----> the percent of people 25 years and older who have completed at least high school

we know that

g(x)=0.008x^2+0.42x+87.5

so

For x=15 years since 2008

substitute

g(15)=0.008(15)^2+0.42(15)+87.5=93.8\%

That means

In the year 2023 (2008+15) the percent of people 25 and older completing at least high school will be 93.8%

5 0
3 years ago
Write the missing number that makes each equation true. Show your work. __ - 4 = 16 - 5
aivan3 [116]

it is 15 cuz 15-4=11 and ,16-5=11

6 0
3 years ago
Read 2 more answers
Use the linear combination method to solve.<br><br> {x+2y=1 x−2y=5
k0ka [10]

Answer:

Step-by-step explanation:

1) x+27=1

 -27  -27

x = -26

2) x-2y=5 (solving for x)

     +2y  +2y

x = 5 + 2y

2) x-2y=5 (solving for y)

  -x       -x

2y = 5 -x

2y/2    5/2   -x/2

y = 5 - x

   _____

        2         (5-x over 2)  

3 0
2 years ago
Read 2 more answers
Two perpendicular lines intersect at the origin if the slope of the first line is 3,what is the equation of the second line
ddd [48]

· Perpendicular lines have slopes that are opposite reciprocals of each other

· Slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept


If the slope of the first line is 3, the slope of the second line is -1/3. Since the lines intersect at the origin, neither of them have a y-intercept.


Answer:

C) y = -1/3x

3 0
3 years ago
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