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natka813 [3]
4 years ago
7

A group of friends goes out to lunch. The total bill, excluding tax, is $22. If tax on the meal is 6% and if a 20% tip is left o

n the $22 total bill, then the total amount paid for the meal is
Mathematics
1 answer:
allochka39001 [22]4 years ago
4 0

Answer:28

Step-by-step explanation:

??ok

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9. Ben drinks tea at a relatively quick rate. He drinks 1/2 liter of tea every 2/3 of an
AURORKA [14]

Answer:

B

Step-by-step explanation:

8 0
4 years ago
Write the denominator of the rational number257/500 in the form 2 m x 5 n , m and n are negative integers Hence write its decima
maw [93]

Answer:

0.514

Step-by-step Explantion:

Denominator = 500 = 2^2 * 5^3

257/500 = 257/2^2*5^3 = 2*257/2*2^2*5^3 = 514/2^3*5^3 = 514/(2*5)^3 = 514/10^3 = 0.514

6 0
3 years ago
Which represents the inverse of the function f(x)=4x
liraira [26]
The answer will be F^-1= x/4
5 0
4 years ago
Find the value of x?? Please help!!<br><br><img src="https://tex.z-dn.net/?f=x%20%2B%202%20%3D%20%5Cfrac%7Bx%7D%7B4%7D%20%2B5" i
elena-s [515]

Answer:

<h2>x = 4</h2>

Step-by-step explanation:

x + 2 =  \frac{x}{4}  + 5

Multiply through by 4 to eliminate the fraction

That's

4x + 8 =  \frac{x}{4}  \times 5 + 5 \times 4 \\ 4x + 8 = x + 20

<u>Subtract x from each side</u>

That's

4x  - x + 8 = x - x + 20 \\ 3x  + 8 = 20

<u>Subtract 8 from each side</u>

3x + 8 - 8 = 20 - 8 \\ 3x = 12

<u>Divide both sides by 3</u>

\frac{3x}{3}  =  \frac{12}{3}

We have the final answer as

<h3>x = 4</h3>

Hope this helps you

3 0
3 years ago
Describe all equation of motion​
wel

Answer:

<u>First</u><u> </u><u>equation</u>

from definition of acceleration:

a =  \frac{change \: in \: velocity}{time}  \\  \\ a =  \frac{v - u}{t}  \\  \\ at = v - u\\  { \boxed{v = u + at}}

<u>Second</u><u> </u><u>equation</u>

from displacement:

s = (average \: velocity) \times time \\ s = ( \frac{v + u}{2} ) \times t \\  \\ 2s = (v + u)t

but v is u + at :

2s =  \{(u + at) + u \} \times t \\  \\ 2s = (2u + at)t \\ 2s = 2ut +  {at}^{2}  \\ s =  \frac{2ut}{2}  +  \frac{a {t}^{2} }{2}  \\  \\ { \boxed{s = ut +  \frac{1}{2} {at}^{2}  }}

<u>third</u><u> </u><u>equation</u>

from displacement:

s = ( \frac{v + u}{2} )( \frac{v - u}{a} ) \\  \\ 2as = (v + u)(v - u) \\ 2as =  {v}^{2}  -  {u  }^{2}  \\  \\ { \boxed{ {v}^{2} =  {u}^{2} + 2as  }}

s » displacement

v » final velocity

u » initial velocity

a » acceleration

t » time

6 0
3 years ago
Read 2 more answers
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