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SSSSS [86.1K]
3 years ago
10

The circle shown below has a diameter of 22 centimeters. What is the

Mathematics
1 answer:
skad [1K]3 years ago
3 0
The answer is C. 301 cm2
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⚠️HELP DUE IN 10 MINS⚠️<br><br><br> -33.22 - 93.8
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−127.02 good luck ;)

Step-by-step explanation:

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Translate the sentence into an equation.<br> Twice the difference of a number and 6 is equal to 5.
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If z = (5 + 12i) ÷ (3 + 4i), then |z| = _____.<br><br> 5/13<br> 1(2/3)<br> 2(3/5)<br> 3
Marta_Voda [28]
\dfrac{5+12i}{3+4i}=\dfrac{5+12i}{3+4i}\cdot\dfrac{3-4i}{3-4i}=\dfrac{15-20i+36i-49i^2}{3^2-(4i)^2}\\\\=\dfrac{15+16i+49}{9-16i^2}=\dfrac{64+16i}{9+16}=\dfrac{64+16i}{25}=2.56+0.64i


z=a+bi\\\\|z|=\sqrt{a^2+b^2}\\\\z=2.56+0.64i\to a=2.56;\ b=0.64\\\\|z|=\sqrt{2.56^2+0.64^2}=\sqrt{6.9632}=\sqrt{\dfrac{69632}{10000}}=\sqrt{\dfrac{4096\cdot17}{100}}\\\\=\dfrac{64\sqrt{17}}{100}=0.64\sqrt{17}\approx2.6=2\dfrac{3}{5}
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3 years ago
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On a coordinate plane, a line with a 90-degree angle crosses the x-axis at (negative 4, 0), turns at (negative 1, 3), crosses th
mixer [17]

Answer:

b

Step-by-step explanation:

3 0
3 years ago
Help me out im stuck on these 2 problems
solniwko [45]
1. A=PiR^2
A=3.14 x 6^6
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V= AxH
V= 113.04 x 10
V= 1130.4 m^3
4 0
3 years ago
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