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Korvikt [17]
2 years ago
11

HELP ASAP, right answers

Mathematics
2 answers:
Nana76 [90]2 years ago
7 0

Answer:

B

Step-by-step explanation:

Hope this helps!

Brut [27]2 years ago
3 0

Hey~

Possibly C.

It makes the most sense.

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Answer:

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Step-by-step explanation:

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Find the sine and cosine of the given angle<br> 120°
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By using the value of cosine function relations, we can easily find the value of sin 120 degrees. Using the trigonometry formula, sin (90 + a) = cos a, we can find the sin 120 value. We know that the value of cos 30 degrees is √3/2. Therefore, sin 120° = √3/2

Step-by-step explanation:

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Determine whether the vectors u and v are parallel, orthogonal, or neither. u = &lt;6, -2&gt;, v = &lt;8, 24&gt;
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Because 6 * 8 + ( - 2 )* 24 = 48 - 48 = 0 , the vectora u and v are orthogonal ;
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3 years ago
(0.020) (0.030) / (0.10)x = 2.3 × 10-4
Naya [18.7K]

The value of x in the equation is 26. 087

<h3>What are algebraic expressions?</h3>

Algebraic expressions are defined as expressions made up of terms, constants, coefficients, factors and variables.

They may also include certain mathematical or arithmetic operations which includes;

  • Bracket
  • Division
  • Addition
  • Subtraction
  • Parentheses
  • Multiplication and so on

Given the equation;

(0.020) (0.030) / (0.10)x = 2.3 × 10-4

We can simply the equation following the steps;

expand the brackets, we have;

6× 10^-4/ 0.10x = 2.3 × 10^-4

Now, cross multiply

0.10x × 2.3 × 10^-4 = 6× 10^-4

Divide both sides by 2.3 × 10^-4

0. 10x =  6× 10^-4/2.3 × 10^-4

Find the quotient

0. 10x = 2. 608

Let's make the variable 'x' by dividing both sides by it's coefficient

0. 10x/0.10 = 2. 608/0. 10

x = 26. 087

Hence, the value is 26. 087

Learn more about algebraic expressions here:

brainly.com/question/4344214

#SPJ1

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1 year ago
Hi guys can you please help me with this test.
Anika [276]
Sure! but unfortunately the picture is blank. not sure if it’s just my screen
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