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natta225 [31]
3 years ago
11

Please help me find answer​

Mathematics
1 answer:
AlexFokin [52]3 years ago
7 0

Answer:

Step-by-step explanation:

11pi/2pi=r, r=5.5 area= pi*r^2, pi*30.25

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Which value of x will make the following statement false?
wlad13 [49]
Im not for sure but i would say 2003-01-01-00-00-00_files
5 0
3 years ago
Will mark brainliest, 60 points
Dominik [7]

Answer:

\boxed{ \bold{ \sf{ \: 1. \:  \:  \:  \:  \: 198}}}

\boxed{ \bold{ \sf{2. \:  \:  \:  \:  \:  - 8}}}

\boxed{ \bold{ \sf{ 3. \:  \:  \:  \:  \: \frac{64}{343} }}}

Step-by-step explanation:

1. Given, u = 20 , x = 4 , y = 7 , z = 10

\sf{ \frac{u}{z}  + x {y}^{2} }

⇒\sf{ \frac{20}{10}  + 4 \times  {7}^{2} }

⇒\sf{ \frac{20}{10}  + 4 \times 49}

⇒\sf{ \frac{20}{10}  + 196}

⇒\sf{ \frac{20 + 196 \times 10}{10} }

⇒\sf{ \frac{20 + 1960}{10} }

⇒\sf{ \frac{1980}{10} }

⇒\sf{198}

2. \sf{4( - 2)}

Multiplying or dividing a positive integer by any negative integer gives a negative integer

= - 8

3. \sf{( \frac{4}{7} ) ^{3} }

⇒\sf{( \frac{ {4}^{3} }{ {7}^{3} } })

⇒\sf{ \frac{4 \times 4 \times 4 }{7 \times 7 \times 7}}

⇒\sf{ \frac{64}{343} }

Hope I helped!

Best regards! :D

5 0
4 years ago
Read 2 more answers
Advanced conversions:
san4es73 [151]

Answer:

Step-by-step explanation:

1). ∵ 1 L = 1000 ml

   ∴ 4 L = 4000 ml

2). ∵ 1 cm = 10 mm

    ∴ 5 cm = 50 mm

3). ∵ 1 mg = 0.1 cg

    ∴ 5 mg = 0.5 cg

4). ∵ 1 ml = 0.001 L

    ∴ 25 ml = 0.025 L

5). ∵ 1 gm = 1000 mg

    ∴ 0.125 gm = 25 mg

6). ∵ 1 ml = 0.001 L

    ∴ 570 ml = 0.57 L

7). ∵ 1 mm = 0.1 cm

    ∴ 135 mm = 13.5 cm

8). ∵ 1 mg = 0.001 g

    ∴ 1820 mg = 1.82 g

9). ∵ 1 g = 100 cg

    ∴ 0.5 g = 50 cg

10). ∵ 1 ml = 0.001 L

     ∴ 0.2385 ml = 0.0002385 L

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Find the value of a if<br> x=2<br> y= -1<br> z=-3 <br> solve:<br> a= y²-x z/5
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What are the ratio of 18 red button ; 12 red button?
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