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Elis [28]
3 years ago
5

Use the rules for long division to divide 724 by11

Mathematics
1 answer:
zalisa [80]3 years ago
5 0
                 __ ← that is a bar representing that it is ongoing. 
724/11=65.81
            __
     x65.81            1)11 cannot go into 7 so u put a x 
    ______           2)72 goes in 11 6 times so u put 6 next to x
11 | 724.00           3)6 times 11 is 66
    -66↓ ↓ ↓           4)subtract 66 by 72 and get 6
     __↓ ↓ ↓           5)bring down the 4 and put it next to the 6 getting 64.
       64 ↓ ↓           6)64 goes into 11 5 times
      -55 ↓ ↓           7)put the five next to the x6
      ___↓ ↓           8)11 times 5 is 55        
          90 ↓           9)subtract 55 from 64 and get 9  
         -88 ↓           10)bring the decimal up
        ___ ↓           11)gring down the zero *remember*:*a zero has unlimited 
             20               zeros*
              -11           12)90 goes into 11 8 times so put a 8 next to x65.
             __            13)11 times 8 is 88
               9            14)subtract 90 from 88 and get 2   
                             15)bring down another zero
                             16)20 goes into 11 1 time so put a one next to x65.8
                             17)subtract 11 from 20 and get 9
                             18)it is not ongoing so put a bar over the answer
                            __ 
the answer is 65.81 or u can round it, 65.8182
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natima [27]

Answer:

sin a = -3/5

Step-by-step explanation:

sin^2(a)+cos^2(a)=1

sin^2(a)+ (4/5)^2 = 1

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0.5 is 30 minutes how do I work out more times e.g. How many minutes is 0.45 or 0.48 I don't know how to do it help
kompoz [17]
I dont know if this will help you, but a 15th (.15) of an hour is 9 minutes!
So it'd be
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3 years ago
A can of beans has surface area 337 cm2. It's heights is 11cm. What is the radius of the circular top?
Karolina [17]

Answer:

3.66 cm

Step-by-step explanation:

r = Radius of cylinder

h = Height of the cylinder = 11 cm

A = Total surface area of the cylinder = 337\ \text{cm}^2

Total surface area of a cylinder is given by

A=2\pi r^2+2\pi rh\\\Rightarrow A=2\pi r(r+h)\\\Rightarrow \dfrac{A}{2\pi}=r^2+rh\\\Rightarrow r^2+rh-\dfrac{A}{2\pi}=0\\\Rightarrow r^2+11r-\dfrac{337}{2\pi}=0\\\Rightarrow r^2+11r-53.64=0\\\Rightarrow 100r^2+1100r-5364=0\\\Rightarrow r=\dfrac{-1100\pm \sqrt{1100^2-4\times 100\left(-5364\right)}}{2\times 100}\\\Rightarrow r=3.66,-14.65

So, the radius of the circular top is 3.66 cm.

6 0
3 years ago
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