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Delvig [45]
3 years ago
13

Help me please I'm confused

Mathematics
1 answer:
nikdorinn [45]3 years ago
4 0
Hello
1 ) 3+4sinQ=6                 ( Q is theta)

4sinQ=6 -3

sinQ=3/4      conclusion : Q= Arcsin(3/4)=......calculator

2 )               (2/7)cosQ =1/4
cosQ = 7/8    conclusion : Q= Arcsin(7/8)=....calculator
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3 years ago
Which equation demonstrates the multiplicative identity property
nignag [31]

<em>Equation b) (-3 + 5i) (1) = -3 + 5i  demonstrates the multiplicative identity property </em>

<h3>Further explanation</h3>

There are several properties in integer multiplication operations

  • 1. closed property

Multiplication between integers will produce integers too

  • 2. commutative property

a x b = b x a

  • 3. associative property

ax (bxc) = (axb) xc

  • 4. identity

ax1 = 1 x a = a

  • 5. distributive  property

* addition

ax (b + c) = axb + axc

* substraction

ax (b-c) = axb - axc

The Multiplicative Identity is <u><em>1 </em></u>

<u><em>The multiplicative identity property states that any number multiplied by 1 will produce an original number. </em></u>

We complete the answer choices available from the problem above:

a) (- 3 + 5i) + 0 = -3 + 5i

O is an identity in the sum operation, the statement is false

b) (-3 + 5i) (1) = -3 + 5i

1 is a Multiplicative Identity of multiplication, so the statement is true

c) (-3 + 5i) (-3 + 5i) = -16-30i

d) (-3 + 5i) (-3 + 5i) = 16 + 30i

choice c and is a multiplication factor, so the statement is false

<h3>Learn more </h3>

the substitution method

brainly.com/question/11705106

brainly.com/question/7162056

The work of a student to solve a set of equations

brainly.com/question/10589573

Keywords: Multiplicative Identity property, integers

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3 years ago
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Answer:

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Step-by-step explanation:

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RS=15 and RT=18 then ST=
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Answer:

st = 30 or 270

Or, if assume these are line segments on a straight line, then our answer would be: ST = 3


3 0
3 years ago
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