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Nadusha1986 [10]
3 years ago
5

Factor completely 81x^4-16

Mathematics
2 answers:
mestny [16]3 years ago
7 0
The will be (3x - 2) x (3x + 2) x (9x2 + 4)
ra1l [238]3 years ago
4 0
Yes your answer is correct
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the cost of plastering a wall of a room having length 8m and heights 4m at Rs 15 per m² is Rs 1560 . find the cost of carpeting
Effectus [21]

Step-by-step explanation:

here ,

length = 8m

height=4m

Rate of plastering 4 walls = 15/m^2

Cost of plastering 4 wall = Rs 1560

Area of floor = Cost of plastering / Rate of plastering

= 1560/15

= 104

again,

Area of four wall = 2h(l+b)

or, 104= 2×4(8+b)

or, 104 =8(8+b)

or, 104/8=8+ b

or,13 - 8= b

or, b= 5

again,

Area of floor= l×b

= 8×5

= 40

again,

Rate of carpeting the floor= 300/ m^2

Area of floor = 40 m^2

cost of carpeting=Rate × Area

= 300×40

= 12000

4 0
3 years ago
Mona wants to buy carpet for a floor in her house.
Gnesinka [82]
What are the prices?
7 0
3 years ago
Tyler’s family is using a shipping trailer that is 5 feet tall, 4 feet wide, and 12 feet long to load boxes of apples in. Each b
kogti [31]
Hello.

To get the volume 5184 in3 you can use the dimension 18in x 24in x 12in.

First, you should draw a picture of your shipping container. It is a rectangular prism that is 5 by 12 by 4.

Next, let's look at the boxes of apples that will go into the box. The volume has to be 5184 in^3. If we divide it by 12 and 12, the answer is 3. Therefore, we could make a box that is 1 foot by 1 foot by 3 feet. 

Those boxes would be stack on the base without any left over space. Now, just figure out how many would go on the next rows. They would be able to stand up and down.

Have a nice day.
3 0
3 years ago
Read 2 more answers
Help me I'm stuck perhaps a little while
lys-0071 [83]
Shouldn't it be 5 4/3?
3 0
2 years ago
Read 2 more answers
Which is an example of an algebraic expression?
azamat
An algebraic expression doesnt have an equals sign or an inequality sign. 

So,

A is an expression
B is an inequality
C is an equation
D is an in inequality

So the answer is A
5 0
3 years ago
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