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2 years ago

Solve -1/2w - 3/5 = 1/5w

Mathematics

1 answer:

Yuki888 [10]2 years ago

8 0

Answer:

w = -6/7

Step-by-step explanation:

Step 1:

-5/10w - 6/10 = 2/10w

Step 2:

-6/10 = 7/10w

Step 3:

-6/10 × 10/7w

Answer:

w = -6/7

Hope This Helps :)

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the length of a rectangle is 3 times the width. The perimeter is 44 cm. What are the dimensions of the rectangle?

Gnom [1K]

Hello there
We can say that,
The length = 3u
The width= 1u
3u + 1u +3u +1u= 44cm
8u= 44cm
1u= 44cm / 8
= 5.5cm
Length= 5.5 cm x 3
=16.5 cm
Width= 5.5 cm

Hope this helps :))

~Top

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Is the amount of cakes estimated or rounded??

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2 years ago

Two semicircles are attached to the sides of a rectangle as shown.

melomori [17]

Answer:

$157\ in^{2}$

Step-by-step explanation:

we know that

The area of the figure is equal to the area of rectangle plus the area of two semicircles

The area of rectangle is equal to

$A=14*5=70\ in^{2}$

The area of the small semicircle is equal to

$A=\pi r^{2} /2$

$r=5/2=2.5\ in$ -----> radius is half the diameter

substitute

$A=(3.14)(2.5^{2})/2=9.8125 in^{2}$

The area of the larger semicircle is equal to

$A=\pi r^{2} /2$

$r=14/2=7\ in$ -----> radius is half the diameter

substitute

$A=(3.14)(7^{2})/2=76.93\ in^{2}$

The area of the figure is equal to

$70+9.8125+76.93=156.7425=157\ in^{2}$

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19:)
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