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dedylja [7]
3 years ago
9

Factor Completely : 3x^3 -12x

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
7 0
The answer you're looking for will be,
ANSWER:    3x(x + 2)(x - 2)

You're welcome.

STEPS:
#1.
Factor out common term 3x.
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Emily spent $55 from her savings on a New Dress. Explain how to describe the change and Emily savings balance in two different w
Korvikt [17]
The change would just be a subtraction of money worth $55 to Emily's total savings. As long as you know the value of Emily's savings, you can determine the savings balance or the change. They are just the same thing. 
5 0
4 years ago
Volume of prisms and cylinders
Mumz [18]

Answer:

7)V=16257.74

8)V= 226.19

9)V=12.56

10)V=6283.18

11)r=6.631

12)h=69.05

13)V=35328.78

Step-by-step explanation:

Volume of cylinder is given by formula:

V=πr^2h

where r is radius and h is height of cylinder

7)

r=15

h=23

Putting values in formula:

V= π(15)^2(23)

 =5175π

  =16257.74

8)

diameter=6

r=d/2=3

height =?

Finding height by pythagoras theorem:

h^2= 10^2-6^2

     =100-36

     =64

h=8

Putting values in formula:

V=π(3)^2(8)

  = 72π

   = 226.19

9)

r= 2

h=1

Putting values in formula:

V=π(2)^2(1)

  =4π

  = 12.56

10)

diameter =20

r=d/2=10

h=20

Putting values in formula:

V=π(10)^2(20)

  =2000π

  =6283.18

Now finding the missing measures:

11)

Given V=210π

h = 15

r=?

Putting values in formula:

210π=π(r)^2(15)

r^2= 210π/15

    =14π

r= 6.631

12)

V=197.82

r=3

h=?

Putting values in formula:

197.82=π(3)^2(h)

h= 197.82/9π

 = 69.05

13)

r=21

h=25.5

Putting values in formula:

V= π(21)^2(25.5)

 =11245.5π

  =35328.78 !

8 0
4 years ago
A) Write down the mathematical name of this shape.<br> Ps. It’s not quadrilateral already tried that
quester [9]

Answer:

right trapezoid

Step-by-step explanation:

It is a quadrilateral, but it's a special type called a right trapezoid (or trapezium, depending what country you are from).

The definition of a right trapezoid is a quadrilateral (4 sided shaped) with 2 parallel sides and 2 adjacent right angles.

6 0
3 years ago
In a certain state, each automible license plate number consist of two letters followed by a four digit.How many disnict license
Yakvenalex [24]

Answer:  (a) 6760000

(b) 5760000

Step-by-step explanation:

Total letters in English alphabet = 26

Total digits = 10

Given: Each automobile license plate number consists of two letters followed by a four-digit.

(a) If there are no restrictions, then the total number of license plates formed = 26 x 26 x 10 x 10 x 10 x 10

= 6760000

(b) if the letters O and I are not used, total letters can be used ]= 26-2=24

Then the total number of license plates formed = 24 x 24 x 10 x 10 x 10 x 10

=5760000

3 0
3 years ago
Gears A and B turn together. Gear A turns 20 times when
Bingel [31]

Answer: Gear B turns 90 times when gear A turns 60 times

Step-by-step explanation: To solve this you just 30x3=90

7 0
3 years ago
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