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Ugo [173]
3 years ago
8

A group of ten persons were planning to contribute equal amounts of money to but some pizza. After the pizza was ordered, one pe

rson left. Each of the other nine persons had to pay 60 cents extra as a result. How much was the total bill?
Mathematics
1 answer:
Maslowich3 years ago
8 0

Answer:maybe $16

Step-by-step explanation:

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( 2/3 x+2− 1/6 x+4)∙ 1/5 ÷ 1/5
UNO [17]
(2/3x + 2 - 1/6x + 4) • 1/5 ÷ 1/5
(1/2x + 6) • 1
1/2x + 6
5 0
3 years ago
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What is the equation of the inverse function A(n)=3n-20
Allisa [31]

Answer:

A^{-1}(n)=\frac{1}{3}n+\frac{20}{3}

Step-by-step explanation:

First, let's change those variables to x and y, just for the sake of convenience.  In order to find the inverse of a function algebraically, switch the x and y coordinates, then solve for the new y.  Letting y = A(n) and x = n (we will switch them back when we're done):

y = 3x - 20.  This is linear; a line with a slope of 3 and a y-intercept of -20.  When we switch the x and the y, we get:

x = 3y - 20.  Now we solve for the new y.  Begin by adding 20 to both sides:

x + 20 = 3y.  Now divide both sides by 3:

\frac{x+20}{3}=y, or to write it in slope-intercept form, like the function you started with:

y=\frac{1}{3}x+\frac{20}{3}

This is also a line, with a slope of 1/3 and a y-intercept of +20/3

Now, replacing:

A^{-1}(n)=\frac{1}{3}n+\frac{20}{3}

That is how to write the inverse using function notation.  The little -1 as an exponent tells us that this is the inverse of the function A(n).

5 0
3 years ago
The Angle of depression from the top of the flagpole to an object on the ground it's 33° if the object is 60 feet from the base
N76 [4]

Answer:

The flag pole is 38.96 feet tall.

Step-by-step explanation:

The angle of depression from the top of the flagpole to an object on the ground is 33°.

The object is 60 feet from the base of the cliff.

We need to find the height of the flag pole.

Here, base, B = 60 feet

We know that,

\tan\theta=\dfrac{P}{B}

Put all the values to find P.

P=B\times \tan\theta\\\\P=60\times \tan(33)\\\\P=38.96\ ft

So, the flag pole is 38.96 feet tall.

6 0
2 years ago
Could you help me solve this problem ASAP :D
Igoryamba

Answer:

B) 1/4x+1/2=1/3x

Hope this helps!

6 0
3 years ago
Whats the answer to 30 less than 10
Deffense [45]

We are looking for a new number which is 30 less than 10. We will get the new number by subtracting 30 from 10. We write it down as: 10-30=-20


And finally the solution for: What number is 30 less than 10? is -20 

Hope this helps!!
6 0
3 years ago
Read 2 more answers
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