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snow_tiger [21]
3 years ago
13

Find the length of a rectangle whose area=320²cm and breadth=16cm​

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
6 0

Answer:

20

Step-by-step explanation:

area = length * breadth

320cm² = length * 16cm

divide both sides by 16cm to isolate length

20cm = length

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What number can you add to π to get a rational number?<br>PLEASE HELP thank you :P
Kryger [21]

Solution:

As we know π is an irrational number.The value of π is non terminating non repeating.

As we all know , π =\frac{\text{Circumference of circle}}{\text{Diameter}},

The fact is still we are getting an irrational number.

As , 0 is a rational number.

So, The number which when added to π, to get a rational number is (-π).

Answer → π + (-π) = 0, i.e (-π) is that number.

7 0
3 years ago
Read 2 more answers
1. An inflatable beach ball has a circumference of 141.3 centimeters. What is the volume of the beach ball when fully inflated?
Tema [17]

1) The volume of the beach ball when fully inflated is 47690 cubic centimeters.

2) The value of x is 3.

<u>Step-by-step explanation:</u>

It is given that, an inflatable beach ball has a circumference of 141.3 centimeters.

<u>1) To find the volume of the beach ball :</u>

Use the formula for volume of sphere to find the volume of beach ball when fully inflated.

Volume of sphere = (4/3)πr³

where, r is the radius of the sphere and π has the default value of 3.14.

<u>To find the radius :</u>

The given circumference is 141.3 = 2πr

⇒ r = 141.3 / 2π

⇒ r = 141.3 / (2×3.14)

⇒ r = 141.3 / 6.28

⇒ r = 22.5

Now, substituting r= 22.5 in the volume of sphere formula

Volume of sphere = (4/3) ×3.14× (22.5)³

⇒ 4/3 ×3.14 ×11391

⇒ (12.56×11391) / 3

⇒ 47690 cubic centimeters

The volume of the beach ball when fully inflated is 47690 cubic centimeters.

<u>2) The given equation is </u>4^{x} = 64<u></u>

⇒ 64 = 4×4×4

⇒ 64 = 4³

Therefore, the value of x is 3.

6 0
3 years ago
Last year mr.peterson had a fence all the way around his garden. he can reuse all of the fence he had around the garden last yea
lakkis [162]
First, you need to find out the perimeter of the fence and how much of the fence he had around his garden last year (leftovers) and subtract them I think.
4 0
3 years ago
HELP FAST giving 5 stars
Murrr4er [49]

Answer:

The red is 1/3 and yellow is 1/4

Step-by-step explanation:

there are 3 colors and 1 of them is red so 1/3 same goes to the yellow 4 colors and  is 1 yellow so 1/4

3 0
3 years ago
What graph best represents the solution to the equality y - 2x &gt; -8
Ne4ueva [31]

Answer:

<h2>In the attachment</h2>

Step-by-step explanation:

y-2x>-8\qquad\text{add}\ 2x\ \text{to both sides}\\\\y>2x-8\\-------------------------\\\\-\ dotted\ line\\\leq,\ \geq-\ solid\ line\\,\ \geq-\ shading\ above\ the\ line\\-------------------------\\\\y=2x-8-\text{It's a linear function.}\\\text{We only need two points to draw a graph.}\\\text{Choice two arbitrary values of x, substitute to the equation,}\\\text{and calculate the values of y}.\\\\for\ x=4\to y=2(4)-8=8-8=0\to A(4,\ 0)\\for\ x=0\to y=2(0)-8=0-8=-8\to B(0,\ -8)

6 0
3 years ago
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