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vovikov84 [41]
3 years ago
10

From a circular sheet of a radius 5 cm, a circle of radius 3 cm is removed. Find the area of the remaining sheet.

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
6 0

Answer:

2 cm

Step-by-step explanation:

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What is the volume of the box if it is scaled down by a factor of 1/10?
Natalka [10]

Answer:

8.4in²

Step-by-step explanation:

We are given the dimensions of a box as :

7in = Height

6in = Length

2in = Width

The volume of a box = Length × Width × Height

Volume of a box = 7in × 6in × 2in

= 84in²

We are also told in the question to find the volume of the box if it is scaled down by a factor of 1/10

Hence,the new volume = 84in² × 1/10

= 8.4in²

Therefore, the volume of the box if it is scaled down by a factor of 1/10 is 8.4in²

8 0
3 years ago
Find the area of the region under the graph of the function f on the interval
vlada-n [284]

Answer:

9/2

Step-by-step explanation:

this is a simple integral function

given limits of interval [a,b] of a continuous function f(t), you can find the area under the curve by using:

\int\limits^a_b {f(t)} \, dt

\int\limits^3_0 {3x-x^2} \, dx

using the fundamental theorem of calculus that states the integral of f(x) in the interval [a,b] is  = g(a)-g(b), where g(x) is the antiderivative of f(x)

our g(x) = \frac32x^2-\frac13x^3

g(3)-g(0) = g(3) = 27/2 - 27/3 = 27/2-9 = 9/2

8 0
3 years ago
I really need help please and thank you
loris [4]

Answer:

15 and 20

Step-by-step explanation:

7 0
3 years ago
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Paula's house is assessed at $213,000, and her property tax rate is 2.9%. How
NARA [144]

Answer:A

Step-by-step explanation:

She is taxed at a rate of 2.9%, so each year she is taxed 213000 * 2.9% . calculating this, we find that every year, she must pay 6177 in taxes. However, we need the amount in a month, so we divide by 12, to get 6177/12= 514.75, or A

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3 years ago
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Copper has a density of 8.9 g/cm A copper necklace has a volume of 396 cm”.
Leviafan [203]

Answer:

3524.4 g

Step-by-step explanation:

  • Use formula: Density = Mass/Volume
  • Mass= Density * Volume

7 0
3 years ago
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