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Drupady [299]
3 years ago
12

the perimeter of a rectangle is 50 inches. The length of the rectangle is 10 inches. What method can be used to find the width o

f the rectangle?
Mathematics
1 answer:
Vinil7 [7]3 years ago
5 0

Answer:

P= 2(l+w)

50=2(10+w)

50=20+2w

50-20=2w

30=2w

w=15

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Consider the region bounded by 4y=x^2 and 2y=x.
gayaneshka [121]

Answer:

a) ⅓ units²

b) 4/15 pi units³

c) 2/3 pi units³

Step-by-step explanation:

4y = x²

2y = x

4y = (2y)²

4y = 4y²

4y² - 4y = 0

y(y-1) = 0

y = 0, 1

x = 0, 2

Area

Integrate: x²/4 - x/2

From 0 to 2

(x³/12 - x²/4)

(8/12 - 4/4) - 0

= -⅓

Area = ⅓

Volume:

Squares and then integrate

Integrate: [x²/4]² - [x/2]²

Integrate: x⁴/16 - x²/4

x⁵/80 - x³/12

Limits 0 to 2

(2⁵/80 - 2³/12) - 0

-4/15

Volume = 4/15 pi

About the x-axis

x² = 4y

x² = 4y²

Integrate the difference

Integrate: 4y² - 4y

4y³/3 - 2y²

Limits 0 to 1

(4/3 - 2) - 0

-2/3

Volume = ⅔ pi

7 0
3 years ago
Help pleaseeeeeeeeeee
vova2212 [387]

Answer:

B & C

Step-by-step explanation:

The two binomials are equal to zero to find the roots.

Hope this helps

6 0
1 year ago
Solve please!<br> 2(3√2)2(5+√2)
Dahasolnce [82]
2\cdot3\sqer2\cdot2(5+\sqrt2)=(2\cdot3\cdot2)\sqrt2(5+\sqrt2)=12\sqrt2(5+\sqrt2)\\\\=60\sqrt2+12\sqrt{2^2}=60\sqrt2+12\cdot2=60\sqrt2+24
3 0
3 years ago
HELP!!!!!!! 27 POINTS!!!!!!!!
jolli1 [7]
I think it’s 138
Hope this helps
5 0
3 years ago
If there are 16 cups in one gallon, how many cups are there in 3 gallons? How many cups are in 5 gallons? Total points with expl
Zigmanuir [339]
If there are 16 cups in one gallon, each gallon u add 16. If you have 3 gallons you add 16 3 times. So to get your answer you multiply 16 by three which is 48 cups.
6 0
3 years ago
Read 2 more answers
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