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3 years ago

Convert 320% to an equivalent decimal.

Mathematics

1 answer:

lapo4ka [179]3 years ago

6 0

Answer:

Answer is 3.2

Step-by-step explanation: you can take any percent and divide it by 100. So in this example you would divide 320/100 and it will give you 3.2

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F(r) = 3.14r2 . What is f(3)?

lbvjy [14]

Answer:

The value of f(3) = 28.26

Step-by-step explanation:

You have to do is to substitute r = 3 into the function :

$f(r) = 3.14 \times {r}^{2}$

$f(3) = 3.14 \times {3}^{2}$

$f(3) = 3.14 \times 9$

$f(3) = 28.26$

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3 years ago

Value of X? PLEASE HELP ME!!

Semenov [28]

Use the trigonomeric function:
$\cos30^o=\dfrac{x}{10}\\\\/\cos30^o=\dfrac{\sqrt3}{2}/\\\\\dfrac{x}{10}=\dfrac{\sqrt3}{2}\ \ \ |\cdot10\\\\x=\sqrt3\cdot5\\\\x=5\sqrt3$

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4 years ago

Complex numbers are used in electronics to describe the current in an electric circuit. Ohm's law relates the current in a circu

Marina CMI [18]

Answer:

E = 3072i - 5904ohms

Step-by-step explanation:

From ohms law recalled that E = IR given already

E = voltage (volts)

I = Current (amps)

R = resistance (ohms)

Therefore, by substitution

I = 16i and R = (2+4)ohms(32+66i)

= 6(32+66i) ohms

= (192+396i)ohms

E = (16i)×(192+396i)

E = 3072i + 5904i²

Recall that i² = -1 from complex number

E = 3072i +5904(-1)

E = 3072i - 5904ohms

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3 years ago

What is blank 8 3/4 - 2/3 - blank = 3 1/10

Dmitry [639]

Answer:

151/30

Step-by-step explanation:

if you subsitute it you will get 3 1/10

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3 years ago

Factorise 2x^3-3x^2-17x+30 divided by x-2

Kay [80]

hope it will help you ☺️

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3 years ago

Convert 320% to an equivalent decimal.​

Convert 320% to an equivalent decimal.