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OlgaM077 [116]
3 years ago
8

A rectangle has a height of 4w^3 and a width of 5w^2-3w-4.

Mathematics
2 answers:
shutvik [7]3 years ago
8 0

Answer:

20w^5 - 12w^4 - 16w^3

Step-by-step explanation:

Area of rectangle= length× breadth(or height in this case) of the rectangle

Basically, you multiply both sides of the rectangle

So, area of rectangle= 4w^3(5w^2 -3w -4)

Expand.

Area of rectangle= 4w^3(5w^2) - 4w^3(3w) - 4w^3(4)

Then you open the brackets which will give you the answer 20w^5- 12w^4- 16w^3

Note that the numbers are all multiplied and for the powers of w, the powers are added when multiplied.

For example, y(y^2)= y^3

Thepotemich [5.8K]3 years ago
6 0

Answer:

Step-by-step explanation:

Area of the entire rectangle = height * width

= 4w³ *( 5w²-3w-4)

= 4w³ * 5w²- 4w³ *3w - 4w³ *4

=20w⁵ - 12w⁴ - 16w³

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25% of 60 75% of 30 50% of 45.7<br> 50% of 60 100% of 22.5<br> 75% of 60 10% of 22.5
alexdok [17]

Answer:

25% of 60 is 15

75% of 30 is 22.5

50% of 45.7 22.85

50% of 60 30

100% of 22.5 is 22.5

75% of 60 is 45

10% of 22.5 2.25

Step-by-step explanation:

5 0
2 years ago
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If the area of a rectangle is 144 sq. in. and the length of one side is 18in. what is the length of the other side?
navik [9.2K]

Hello from MrBillDoesMath!

Answer:  The other side has a length of 8

Discussion:

Area of a rectangle = l * w ( length times width). In our case

Area = 144 = l * w = 18 * w =>

18 w = 144  =>

w = 144/18 = 8


Thank you,

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8 0
3 years ago
As you were organizing your closet you counted 20 shirts and 12 pairs of pants what was the pants to shirt ratio?
NISA [10]

Answer: 5 : 3

Step-by-step explanation:

The ratio of shirts to pants can be shown by putting the number if shirts and pants in the following manner:

Number of shirts       :        Number of pants

20                               :                   12

Then you have to take this to the lowest term. 4 is a factor of both numbers so when divided by 4 we get:

= 5 : 3

This is the ratio.

4 0
3 years ago
How many lines of symmetry?
Alex73 [517]

Answer:

i think 4

sorryif its wrong

3 0
2 years ago
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Please answer theses questions NEED THEM FAST please
scoundrel [369]
1)

C ≈ 3.14 • 9
C ≈ 28.26
The circumference is 28.3 cm to the nearest tenth of a centimeter

2)

C ≈ 3.14 (2 • 13)
C ≈ 3.14 • 26
C ≈ 81.64
The circumference is 81.6 in to the nearest tenth of a inch

3)

C = 3.14 (13)
C = 40.82
C = 40.8

4)

C = 3.14 (2 • 5)
C = 3.14 (10)
C = 31.4

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C = 3.14 (2 • 1.5)
C = 3.14(3)
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C = 9.4
6 0
2 years ago
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