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madreJ [45]
4 years ago
9

PLS HELPP ASAP!! WILL MARK BRAINLIEST!!

Mathematics
1 answer:
Vilka [71]4 years ago
6 0

Answer:

The correct answer is A) 3x(3x + 2)(3x - 2)

Step-by-step explanation:

In order to find this, first take out the greatest common factor.

27x^3 - 12x

3x(9x^2 - 4)

Now, what is left in parenthesis is the difference of perfect squares. This allows us to factor.

3x(3x + 2)(3x - 2)

You might be interested in
it took Dean's family 3 hours to drive 195 miles on Friday. Then they drove at the same speed for 5 on saturday. how far did Dea
inn [45]

Hey!

Dean's family has been traveling on the same speed for two days, so to find how far you will need to travel you will need to find how far they are traveling in one hour..

To find this you will need to set up a proportion...

3/195 = 1/x

Solve this proportion by cross multiplying and then dividing..

195 * 1 = 195/3 = 65

This tells you that they are traveling 65 miles per hour. Now with this you will simply have to multiply 65 by 5 to tell you how far they would be traveling in 5 hours with the given speed...

65 * 5 = 325

Your answer of 325 miles tells you how far they traveled.


Hope it Helped!

~A

6 0
3 years ago
Given the rule, find the 8th term in the arithmetic<br> sequence.<br> an =3n + 4
dybincka [34]

Answer:

You simply substitute 8 for n

A₈ =3(8)+4=28

4 0
3 years ago
se acabaron los bidones de 10 y se quieren envasar 1362 litros de agua ¿cual es la menor cantidad de envases que se pueden llena
taurus [48]

Answer:

serían 136 y sobran 2

Step-by-step explanation:

porque al ser una botella de 10 litro y 1362 los dividimos nos da la cantidad de 136 se puede hacer mentalmente

5 0
3 years ago
I need help on questions 9, 10, and 11 please!
bulgar [2K]
In general, to find the surface area of a prism (a shape with 2 bases) is 
Area of Base*2 + Lateral Area (Lateral area = Perimeter of bases * height)

#9 Area of base= 2×1÷2=1 *2=2
Lateral area= 2+1+2.2=5.2 5.2*3=15.6
Answer=17.6
#10 Area of Base= 120*2=240
Lateral Area=500
Answer=740
#11
Area of base=8*2=16
Lateral Area= 41.4
Answer=57.4

8 0
4 years ago
Y=10,000(0.97)x predict purchasing power of $10,000 ten years later
Maksim231197 [3]

Answer:

It will be $7602.3

Step-by-step explanation:

The equation y = 10000(0.97)^{x} gives the purchasing power of $10000 after x years.

Therefore, the sum of money $10000 will value 10000(0.97)^{x} after x number of years.

Now, after 9 years i.e. x = 9 years, the sum value of $10000 will become y = 10000(0.97)^{9} = 10000 \times 0.76023 = 7602.3 dollars. ( Answer )

8 0
3 years ago
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