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Olegator [25]
3 years ago
11

Line AB contains points A(1,2) and B(-2,6).The slope of line AB is

Mathematics
2 answers:
hammer [34]3 years ago
6 0
(1,2)(-2,6)
slope = (6 - 2) / (-2 - 1) = -4/3....slope is negative
Svetradugi [14.3K]3 years ago
3 0
D) negative 
(6-2)
--------
(-2-1)

you get; 4
         -  ------
              3
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A speech pathologist had a gross income of 62,650 last year. if 18.9% of her income got withheld for federal income tax how much
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4 0
3 years ago
All my brain cells have left me I don't understand math please help! lol
sleet_krkn [62]

Answer:

How I do you should get 3.00$/min

Step-by-step explanation:

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7 0
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a boat takes 8 hours to go 6 miles upstream and come back to the starting point. if the speed of the boat is 4 miles per hour in
Romashka-Z-Leto [24]
Consider this option:
1. if to re-write the condition, it is given: total time t=8 hours; upstream=downstream=6 miles; V_boat=4 m/h., V_current=V=?
2. note, that total time=time_upstream+time_downstream, where time_upstream=6miles/(V_boat-V) and time_downstream=6miles/(V_boat+V). Using this it is possible to make up and solve the following equation:
\frac{6}{4+V} + \frac{6}{4-V} =8; \ =\ \textgreater \  \  \frac{V^2-10}{16-V^2}=0; \ =\ \textgreater \  \ V=\sqrt{10} \  \frac{miles}{hour}

answer: √10

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7 0
3 years ago
A restaurant makes pizzas with 6-inch diameters ad 12-inch diameters. Which of the following statement is true?
a_sh-v [17]

Answer:

The correct option is c: the area of the 6-inch pizza is 1/4 the area of the 12-inch pizza.

Step-by-step explanation:

The area (A) of each pizza is given by:

A = \pi r^{2}

Where:

r: is the radius

For the 12-inch pizza we have:

A_{12} = \pi (\frac{12 inch}{2})^{2} = 113.1 inch

And for the 6-inch pizza we have:

A_{6} = \pi (\frac{6 inch}{2})^{2} = 28.3 inch

The ratio between A₆ and A₁₂ is:

\frac{A_{6}}{A_{12}} = \frac{28.3 inch}{113.1 inch} = 0.25 = \frac{1}{4}

Hence:

A_{6} = \frac{A_{12}}{4}

Therefore, the correct option is c: the area of the 6-inch pizza is 1/4 the area of the 12-inch pizza.

I hope it helps you!            

4 0
3 years ago
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