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faust18 [17]
3 years ago
11

Please help me find the radius of the button.

Mathematics
2 answers:
labwork [276]3 years ago
7 0

Answer:

The radius of given Circle is 13 mm

Step-by-step explanation:

For a given Circle

Diameter (d) = 26 mm

For Radius (r) = Diameter/2

r = d/2

= 26/2

r = 13 mm

Thus, The radius of given Circle is 13 mm

<u>-TheUnknownScientist</u>

nydimaria [60]3 years ago
4 0
Answer: 13m

Explanation:
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Pls show full working out
sweet-ann [11.9K]

Answer:

  • Question 1a. i) x=1.8m

  • Question 1a. ii)   Volume=27.6m^3

  • Question 1b) Volume=65.9m^3

Explanation:

<u><em>Question 1 a. i) Find the value of x.</em></u>

         tan(\theta )=\dfrac{opposite\text{ }leg}{adjacent\text{ }leg}

For the smalll triangle you can write:

        tan(\theta )=\dfrac{x}{1m}

For tthe big triangle:

      tan(\theta )=\dfrac{x+2.7m}{2.5m}

Substitute:

        \dfrac{x}{1m}=\dfrac{x+2.7m}{2.5m}

Solve for x:

        2.5x=x+2.7m\\\\2.5x-x=2.7m\\\\1.5x=2.7m\\\\x=2.7m/1.5\\\\x=1.8m

<u><em>Question 1a ii) Find the volume of the frustrum</em></u>

  • Find the volume of a cone with height = 2.7m + 1.8m = 4.5m, and radius = 2.5m

Formula:

         Volume=(1/3)\pi \times radius^2\times height

Substitute:

         Volume=(1/3)\pi \times (2.5m)^2\times 4.5m=9.375\pi m^3

  • Find the volume of a cone with heigth = 1.8m and radius = 1m

        Volume=(1/3)\pi \times (1m)^2\times 1.8m=0.6\pi m^3

  • Subtract the volume of the small cone from the volume of the big cone

        Volume\text{ }of\text{ }frustrum=9.375\pi m^3-0.6\pi m^3=8.775\pi m^3\approx 27.6m^3

<u><em>Question 1b. Calculate the volume of the bin</em></u>

<u>i) Upper frustrum</u>

This is the same frustrum from the equation of above, thus ist volume is 27.6m³.

<u>ii) Lower frustrum</u>

            \dfrac{x}{2.0m}=\dfrac{x+2.4m}{2.5m}

           2.5x=2(x+2.4m)\\\\2.5x=2x+4.8m\\\\0.5x=4.8m\\\\x=9.6m

        Volume=(1/3)\pi \times (2.5m)^2\times (9.6m+2.4m)-(2.0m)^2\times (9.6m)

       Volume=38.3m^3

<u>iii) Add the volume of the two frustrums</u>

  • Volume=27.6m^3+38.3m^3=65.9m^3

6 0
3 years ago
A figure with parallel lines m and n is shown. What is the measure, in degrees, of angle b?
Radda [10]

Answer:

48°

Step-by-step explanation:

Not sure if you've learner this yet, but the two angles shown are called alternate exterior angles. To make it a little bit easier, 48° has to be the answer since it's the only other angle shown. But to explain it more..

There's corresponding and vertical angles which can be used to solve this equation. There are four spots that would equal 48°, including "b". Corresponding angles are in the same spot, but different sections. There's also vertical angles, which are right across from each other. If you apply vertical and corresponding angles b will be 48°.

Please let me know if you don't really understand what I attempted to explain.  If you haven't gone into depths about what I talked about, just think about the first paragraph/section.

3 0
3 years ago
A locker combination has three nonzero digits, with no repeated digits. If the first digit is a 2, what is the probability the s
Nezavi [6.7K]
I think it would be 3/8 :))
5 0
3 years ago
The probability of a particular manufactured product being defective is 1/100. How many defective products would be expected in
aksik [14]

Answer:

15

Step-by-step explanation:

Just divide 1500 by 100

5 0
3 years ago
Read 2 more answers
( show your work ) Find the total cost of 6 puppies if each pull-ups coast $250
yKpoI14uk [10]

Answer: $1500

Step-by-step explanation:

<u>Given information</u>

Number of puppies = 6

Cost of each puppy = $250

<u>Given expression deducted from the question</u>

Total cost = number of puppies × cost of each

<u>Substitute values into the expression</u>

Total cost = 6 × 250

<u>Simplify by multiplication</u>

Total cost = \boxed{1500}

Hope this helps!! :)

Please let me know if you have any questions

3 0
2 years ago
Read 2 more answers
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