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3 years ago

It’s all yours point and brainlist just get it right

Mathematics

2 answers:

aniked [119]3 years ago

5 0

J. 144

Step-by-step explanation:

4 ÷ 5 = 0.8

0.8 × 180 = 144

ser-zykov [4K]3 years ago

4 0

The answer has to be 144 since it is the only one smaller than 180

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What is the modulus of the complex number 5 + 2i ?

kicyunya [14]

Answer:

modulus of complex number is $\sqrt{29}$

Step-by-step explanation:

z=x+iy is a complex numbers

the given complex number is 5+2i

the value of x is 5 and y is 2

the modulus of complex number formula is

$|z|=\sqrt{x^2+y^2} =\sqrt{5^2+2^2} =\sqrt{25+4} =\sqrt{29}$

modulus of complex number is $\sqrt{29}$

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3 years ago

What is the value of x in the equation 2x+7=1

iogann1982 [59]

2x + 7 = 1

Subtract 7 on both sides

2x = 1 - 7

2x = -6

Divide both sides by 2

x = -6/2

x = -3

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3 years ago

Read 2 more answers

Among a group of 100 people, 68 can speak English, 45 can speak French, 42 can speak Spanish. 27 can speak both English and Fren

Nat2105 [25]

Answer:

Step-by-step explanation:

Given

No of People who can speak English is $n(E)=68$

No of People who can speak French is $n(F)=45$

No of People who can speak Spanish is $n(S)=42$

No of People who can speak both English and French $n\left ( E\cap F\right )=27$

No of People who can speak both English and Spanish $n\left ( E\cap S\right )=25$

No of People who can speak both French and Spanish $n\left ( F\cap S\right )=16$

No of people who can speak all languages is $n\left ( E\cap F\cap S\right )=9$

no of People who can Speak at least one Language is

$n\left ( E\cup F\cup S\right )=n\left ( E\right )+n\left ( F\right )+n\left ( S\right )-n\left ( E\cap F\right )-n\left ( E\cap S\right )-n\left ( F\cap S\right )+n\left ( E\cap F\cap S\right )$