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amid [387]
3 years ago
14

A square paper sheet has 10 2 by 5 cm long side find its perimeter and area​

Mathematics
1 answer:
Vlada [557]3 years ago
4 0

Answer:

210 for perimeter 500 for area

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A rope is tied to the bottom of a hot air balloon as shown. The altitude of the balloon is 50 feet and the rope is 75 feet long.
Semenov [28]

Answer:

As per the statement

The altitude of the balloon is 50 feet and the rope is 75 feet long.

⇒ Altitude of the balloon = 50 feet.

And length of the rope = 75 feet.

We have to find the angle that rope makes with ground,

Using Sine ratio:

\sin \theta = \frac{\text{Opposite side}}{\text{Hypotenuse side}}

You can see the diagram as shown below.

Here,

Opposite side =  Altitude of the balloon = 50 feet.

Hypotenuse side =  length of the rope = 75 feet.

Substitute the given values we have;

\sin \theta = \frac{50}{75} =\frac{2}{3}

⇒\theta = \sin^{-1} (\frac{2}{3}) = 41.8°

Therefore, the angle that the rope makes with the ground is, 41.8 degree

8 0
4 years ago
Read 2 more answers
What is the volume of the trapezoidal right prism?
mylen [45]
The volume of the prism in the form of a trapezoid is given by:
 V = Ab * h
 Where,
 Ab: base area
 h: height
 We have then:
 Ab = (1/2) * (40 + 7) * (6)
 Ab = 141 m ^ 2
 Then, replacing we have:
 V = (141) * (3)
 V = 423 m ^ 3
 Answer:
 
The prism volume is given by:
 
V = 423 m ^ 3
6 0
3 years ago
Read 2 more answers
Solve each system by elimination.<br> 1) –10x – 15y = 30<br> -9x - 5y=-24
Reika [66]

Answer:

(6,-6)

Step-by-step explanation:

1. -10x-15y=30

-10x-15y+15y=30+15y

-10x/-10=30+15y/-10

x=-3 -3/2

plug in the other equation and solve for y

-9x-5y=-24

-9(-3-3/2)-5y=-24

y=-6

plug -6 in for y in one of the original equations

-9x-5y=-24

-9x-5(-6)=-24

solve for x

x=6

<em>wonderful</em>

5 0
4 years ago
$48The cost, c, of a ham sandwich at a deli varies directly with the number of sandwiches, n. If c = $54 when n is 9, what is th
crimeas [40]

Answer:

c=18

Step-by-step explanation:

54 divided by 9 is 6

6 times 3 is 18

3 0
4 years ago
Cost of a pair of shoes is Rs. 400 if 10% sales tax is charged then bill amount<br>is .....? ​
telo118 [61]
I think it’s 440..........
8 0
3 years ago
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