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balandron [24]
2 years ago
15

Factorise fully 6x^2 + 12x

Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
3 0

Answer:

6x(x+2)

Step-by-step explanation:

Factor 6x out of 6x^2+12x

6x(x+2)

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F(x)=x^-2x+4 find f(-1)
otez555 [7]
Hello,

f(x)=x^{-2}+4\\

f(-1)=(-1)^{-2}+4= \dfrac{1}{(-1)^2} +4=1+4=5\\

7 0
3 years ago
Select the correct answer.
neonofarm [45]

The answer is 6 hope this helps

3 0
3 years ago
Tracy took a quiz containing 12 items. If she answered 5/6 of the items correctly how many items did Tracy answer correctly?
Orlov [11]

Answer:

10

Step-by-step explanation:

5/6=10/12


3 0
3 years ago
Read 2 more answers
Please someone helpppppppppppppppp I’m stuck >:(
IceJOKER [234]
The first part is 1325

10 x 35=350

15 x 65=975

The you add them which equals 1325
6 0
3 years ago
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The speed limit is 25 miles per hour, but it seems that many of the cars are going faster. The city places 2 counter strips 360
klio [65]
You figure out how long it would take a car traveling at 25 mph
to cover 360 ft.  Any driver who does it in less time is speeding.

           (25 mi/hr) · (5,280 ft/mile) · (1 hr / 3,600 sec)

       =    (25 · 5280 / 3600)  ft/sec  =  (36 and 2/3) feet per second.

To cover 360 ft at 25 mph, it would take

                360 ft / (36 and 2/3 ft/sec)  =   9.82 seconds .

Anybody who covers the 360 feet in less than 9.82 seconds
is moving faster than 25 mph.
_________________________________

If you're interested, here's how to do it in the other direction:

Let's say a car covers the 360 feet in ' S ' seconds.
What's the speed of the car ?

           (360 ft / S sec) · (1 mile / 5280 feet) · (3600 sec/hour)

       =    (360 · 3600) / (S · 5280)  mile/hour

       =        245.5 / S    miles per hour .

The teacher timed one car crossing both strips in 7.0 seconds.
How fast was that car traveling ?

                   245.5 / 7.0  =  35.1 miles per hour


Another teacher timed another car that took 9.82 seconds to cross
both strips.  How fast was this car traveling ?

                        245.5 / 9.82  =  25 miles per hour
7 0
3 years ago
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