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3 years ago

I need help whats the answer show your work please

Mathematics

2 answers:

diamong [38]3 years ago

7 0

Not someone on her talking abt camera quality

skelet666 [1.2K]3 years ago

3 0

Answer:

no offence

Step-by-step explanation:

but that camra qulity doe

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Look at the triangle show on the right. The Pythagorean Theorem states that the sum of the squares of the legs of a right triang

Vladimir [108]

Answer:

$cos^2\theta + sin^2\theta = 1$

Step-by-step explanation:

Given

$(\frac{b}{r})^2 + (\frac{a}{r})^2$

Required

Use the expression to prove a trigonometry identity

The given expression is not complete until it is written as:

$(\frac{b}{r})^2 + (\frac{a}{r})^2 = (\frac{r}{r})^2$

Going by the Pythagoras theorem, we can assume the following.

a = Opposite
b = Adjacent
r = Hypothenuse

So, we have:

$Sin\theta = \frac{a}{r}$

$Cos\theta = \frac{b}{r}$

Having said that:

The expression can be further simplified as:

$(\frac{b}{r})^2 + (\frac{a}{r})^2 = 1$

Substitute values for sin and cos

$(\frac{b}{r})^2 + (\frac{a}{r})^2 = 1$ becomes

$cos^2\theta + sin^2\theta = 1$

3 0

4 years ago

PLEASE HELP I WILL GIVE OUT 10 points!!<br> and PLEASE EXPLAIN WITH STEPS!!

IRINA_888 [86]

It should be 5 cm should be the numerator

The correct answer is 100

Because 5*20=. 100

100\1= 100

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3 years ago

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A spinner has 5 evenly spaced sections numbered 1 to 5. Rasheed will perform an experiment to model the theoretical probability

bogdanovich [222]

Answer:

1/5 ¡!!!!!!!!!!!!!!!!!!!!!!

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3 years ago

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What is the area of a circle with a diameter of 14 rounded to the nearest hundredth

Lemur [1.5K]

Answer:

153.94

Step-by-step explanation:

The radius is 7 so you plug that as r into the area of a circle equation

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3 years ago

Write the factor as a polynomial in descending order

azamat

x^2 + 8x + 15 factors into (x+3)(x+5). As a check, note that 3x + 5x = 8x, the given middle term.

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4 years ago

I need help whats the answer show your work please​

I need help whats the answer show your work please