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ladessa [460]
3 years ago
6

Which is a factor of: 2x^2-4x-6

Mathematics
1 answer:
Scilla [17]3 years ago
4 0
2 I think it is not sure hope it helps you out
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PLEASE HELP!!
Tems11 [23]
For 70 people i would say ab 445
4 0
3 years ago
pls solve quickly!: It took a boat 2 hours to reach town A going upstream. The way back was 1h20 min. What is the speed of the b
goldenfox [79]

Answer:

15 mph

Step-by-step explanation:

Given: Boat took 2 hours to reach Town A going upstream.

           Speed of stream= 3 mph

           Time taken to reach back home= 1 hours 20 minutes

Lets assume distance covered one side be "d" and speed of boat in still water be "s".

∴ Speed of boat in upstream= (s-3) \ mph

   Speed of boat in downstream= (s+3)\ mph

Also converting into fraction of time taken to reach back home.

Remember; 1 hour= 60 minutes

∴ Time taken to reach back home= 60+20= 80\ minutes

Converting time given into fraction= \frac{80\ minutes}{60\ minutes} = \frac{4}{3} \ hours

hence, Time taken to reach back home is \frac{4}{3} \ hours

Now forming equation of boat travelling upstream and downstream, considering distance remain constant.

We know, Distance= speed \times  time

⇒ (s-3)\times 2= (s+3)\times \frac{4}{3}

Using distributive property of multiplication

⇒2s-6= \frac{4}{3}s +4

subtracting both side by \frac{4}{3} s

⇒2s-\frac{4}{3} s-6= 4

Adding both side by 6

⇒ 2s-\frac{4}{3} s= 10

taking LCD as 3

⇒ \frac{2}{3} s= 10

Multiplying both side by \frac{3}{2}

⇒s= \frac{3}{2} \times 10

∴s= 15 mph

Hence, 15 mph is the speed of the boat in still water.

8 0
3 years ago
125 pounds decreased by 4% what is the new amount
Anvisha [2.4K]

You want 125 pounds minus 4% of it, so you want 96% just multiply it

125 . 96% = 125 . 96/100 = 120

3 0
3 years ago
Read 2 more answers
Which type of function best models the given data?
kherson [118]

Answer:

3)

Step-by-step explanation:

Draw the graph and youll see

5 0
2 years ago
Read 2 more answers
a set of data has the following linear regression equation y = 1+3x what does the equation predict for a value of x=14?
trasher [3.6K]
In this problem, you are simply going to input 14 for x in your equation.

y = 3x + 1
y = 3(14) + 1
y = 42+1
y = 43
This means, when x=14, y=43

Hope this helps!
6 0
3 years ago
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