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4 years ago

IF U HELP ME I WILL GIVE U A COOKIE AND BRAINLIEST

Mathematics

2 answers:

Oksanka [162]4 years ago

7 0

Answer:

-sqrt(13)/3

Step-by-step explanation:

Hypotenuse² = 4² + 6² = 52

Hypotenuse = sqrt(52)

Sin(A) = -6/sqrt(52) = -3/sqrt(13)

Csc A = 1 ÷ sinA

= -sqrt(13)/3

sqrt: square root

Andrej [43]4 years ago

3 0

Step-by-step explanation:

Hope it helps you in your learning process.

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Answer:

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3 years ago

The function of this sequence is linear. The slope of the function is 5. What number should be first in the sequence? ? , ____ ,

allsm [11]

Answer:

Step-by-step explanation:

The common difference is 5 so the first number is 7 - 5 = 2.

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3 years ago

Y = 2x <br> x + y = −6<br> the answer should be like this (x,y) or ( , )

melisa1 [442]

Answer:

(-2, -4)

Step-by-step explanation:

Given:

The system of equations to solve is given as:

$y=2x\\\\x+y=-6$

In order to solve this system of linear equations, we use substitution method.

In substitution method, we substitute the value of any one variable in the other equation.

So, we substitute the value of 'y' from first equation in the second equation.

This gives,

$x+2x=-6\\\\3x=-6$

Dividing both sides by 3, we get:

$\frac{3x}{3}=\frac{-6}{3}\\\\x=-2$

Now, $y=2x=2\times -2=-4$

Therefore, the solution is (-2, -4)

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4 years ago

2x^2 + 9x + 4 = 0 <br> PLEASE HELP! I WILL MARK AS BRAINLIEST

Karo-lina-s [1.5K]

(2x+1)(x+4)

calculator

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3 years ago

Read 2 more answers