PLZ HELP!!! Will give brainiest if correct! Thxs!!!!!!!!

Mathematics

1 answer:

Mazyrski [523]3 years ago

4 0

$\frac{1.7 \times {10}^{ - 3} }{3 \times {10}^{2} } \\ = \frac{1.7}{3} \times {10}^{ - 3 - 2} \\ = 0.56 \times {10}^{ - 5} \\ = 5.6 \times {10}^{ - 6}$

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Can I have help solving for x?:))

zvonat [6]

Answer:

24.8

Step-by-step explanation:

We will have to use trigonometry here to find the value of x. The first thing we can see is that we need to work out the hypotenuse. We need to chose whether to use Sin, Cos or Tan. We do that by look at the sides .

→ 'x' is the hypotenuse

→ 12 is opposite

→ The adjacent is the side that doesn't have a numerical value to we look for a formula triangle without adjacent in it

Tan = Opposite ÷ Adjacent

Sin = Opposite ÷ Hypotenuse

Cos = Adjacent ÷ Hypotenuse

We can see the Sin formula has no adjacent in it so we use that formula. However we want to work out the hypotenuse so we have to rearrange the sin formula to get hypotenuse as the subject so

Sin = Opposite ÷ Hypotenuse

Hypotenuse = Opposite ÷ Sin

→ Let's substitute in the values

Hypotenuse = 12 ÷ Sin(29)

Hypotenuse = 24.7519841

So the value of x is 24.8 to 1 decimal place

6 0

3 years ago

Read 2 more answers

A) equal lines<br> B) parallel lines<br> C) perpendicular lines<br> D) None of the above

Nat2105 [25]

I think the answer is D, None of the above