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3 years ago

Please help will give brainlest!!

Mathematics

2 answers:

Natasha_Volkova [10]3 years ago

8 0

Y = -2x + 3
That’s it

inna [77]3 years ago

5 0

The answer is
Y= -x + 2

Because it goes back one unit on the X axis and goes up two units.

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Write the expression as the sine or cosine of an angle sin(pi/7) cos(x) + cos(pi/7) sin(x)

Natasha_Volkova [10]

Answer:

$\sin(\frac{\pi}{7}+x)$

Step-by-step explanation:

We are going to use the identity

$\sin(a+b)=\sin(a)\cos(b)+\cos(a)\sin(b)$

because this identities right hand side matches your expression where

$a=\frac{\pi}{7}$ and $b=x$ .

So we have that $\sin(\frac{\pi}{7})\cos(x)+\cos(\frac{\pi}{7})\sin(x)$ is equal to $\sin(\frac{\pi}{7}+x)$ .

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3 years ago

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MaRussiya [10]

Step-by-step explanation:

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2 years ago

You roll a number cube and flip a coin. What is the probability of rolling a number less than 5 and flipping heads? Write your a

pickupchik [31]

For the coin it would be 50%
for the cube it has six sides so it would be 1/6

5 0

3 years ago

Write a word phrase for 25-0.6x

ahrayia [7]

Answer:

twentyfive minus 6tenths multiplied

Step-by-step explanation:

did you give me all the information?

3 0

3 years ago

Factor completely 81x2 − 100. (1 point) (10x − 9)(10x − 9) (10x − 9)(10x + 9) (9x − 10)(9x + 10) (9x − 10)(9x − 10)

MArishka [77]

The complete factorization of the equation 81x² - 100 is; (9x - 10)(9x + 10)

<h3>How to factorize quadratic equations?</h3>

We are given the quadratic equation;

81x² - 100

Now, according to quadratic identities, we know that;

(a + b) * (a - b) = a² - b²

Now, our equation can also be expressed as;

81x² - 100 = 9²x² - 10²

Thus, applying the quadratic identity gives us;

(9x + 10)(9x - 10)

Read more about factorization of quadratic equations at; brainly.com/question/1214333

#SPJ1

5 0

2 years ago