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3 years ago

Simplify (x-5)(x^2-2x-6)

Mathematics

2 answers:

Ludmilka [50]3 years ago

6 0

Answer:

x^3 - 7x^2 + 4x + 30

Step-by-step explanation:

The equation is already simplified to its fullest if we're looking at factored form.

Otherwise, just multiply everything out using a punnett square.

lawyer [7]3 years ago

6 0

Answer:

x^3 - 7x^2 + 4x + 30

Step-by-step explanation:

I just did this one hope this helps

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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

Can someone please answer this for brainlist pls.

o-na [289]

Answer:

If your answer is linear, I would suggests: 1,2,4 maybe there's another one but I'm confident about those though. Hopefully I helped you with my options.

Step-by-step explanation:

8 0

3 years ago

-3/10q - 8/5q + 9 = 10<br><br> Solve for q

GuDViN [60]

Answer:

-1 9/10

Step-by-step explanation:

-3/10q - 8/5q + 9 = 10

-3/10q - 16/10q + 9 = 10

-19/10q + 9 = 10

-19/10q = 1

-19 = 10q

-19/10 = 10q/10

-1 9/10 = q

7 0

3 years ago

Helppp pleaseeeeee!!

Arlecino [84]

Answer:

c .

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Can anyone help please:)

fredd [130]

Answer:

THEORTICAL PROBABILITY:

1A) F

1B) B

1C) A

1D) D,E,F

2A) R

2B) B

3A) odd number

3B) No, same.

3C) less than 5

================

1A) 8/30=4/15

1B) 10/30=1/3

1C) 12/30=2/5

1D) 18/30=3/5

1E) 22/30=11/15

1F) 22/30=11/15

2A) 3/8

2B) 1/8

2C)4/8=1/2

2D) 5/8

2E)3/8

3A) 50

3B) 150

3C) 250

3D) 100

3E) 100

Step-by-step explanation:

4 0

3 years ago