MATHEMATICS COLLEGE

Please help I need these quickly. Please answer sensibly! I will give brainliest to the correct answer.

Answers

Answer 1

Answer:

Answer:

n+n= 2n

$(3n) ^(2) = 9n ^(2)$

5(n+2)=5n+10

2(n+1)=2n+1

$n / 4 = (n)/(4)$

$n(n - 2 = n{2} - 2n$

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Determine whether the lines are parallel, perpendicular, or neither. Justify your answer. y = 2x - 8Y = 1/2x + 6
⚠️if you answer correctly I will give you brainliest

Answers

Answer:

perpendicular

Step-by-step explanation:

it is perpendicular because you flipped and negative the slope. if it was parallel the slope would be the same with no negative

Which function describes this table of values?X Y
10 8
5 4
0 0
-5 -5

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Answer:

which function describes this table of values x y 0 0

Evaluate.
19+(22 - 16) =

Answers

Answer:

the answer is 25.

Step-by-step explanation:

hope this helps

Work out what x =
Please and explication

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Suppose Tetha = alpha = 26°

Then ;

$\tan( \alpha ) = (y)/(x) \n$

$\tan(26°) = (8)/(x) \n$

$0.487 = (8)/(x) \n$

Multiply sides by x

$0.487x = 8$

Divide sides by 0.487

$x = (8)/(0.487) \n$

$x = 16.427$

$x≈ 16.43$

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This exercise involves the formula for the area of a circular sector. the area of a sector of a circle with a central angle of 170° is 70 m2. find the radius of the circle. (round your answer to one decimal place.) m

Answers

The formula of interest is
A = (1/2)r²·θ
You have A = 70 m², θ = 170° = 17π/18 rad. Then the radius is found from
70 m² = (1/2)r²(17π/18)
(36·70 m²)/(17π) = r²
r ≈ √47.18476 m
r ≈ 6.9 m

The radius of the circle is 6.9 m.

How to find the radius of the circle?

The area of the sector of a circle given by the formula:

A = /360 * (r²)

where r is the radius of the circle and is the central angle of the sector

We have:

= 170°

A = 70 m²

We need to solve for r:

A = /360 * (r²)

70 = 170/360 * * r²

r² = (70 * 360)/(170 * )

r² = 47.18

r = √47.18

r = 6.9 m

Learn more about sector on:

brainly.com/question/22972014

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If log(x+3)-log(x-5)=log2What is the value of x?

Please answer with explanation and process

Answers

We use log(x) - log(y) = log(x/y) and log(x) = log(y) ⇔ x = y

$\displaystyle\log(x+3) - \log(x-5) = \log 2 \implies \log\left( (x+3)/(x-5) \right) = \log 2 \implies \n \n (x+3)/(x-5) = 2 \impliesx+3 = 2(x-5) \n \nx = 13$

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Solve for x. x - 1 2 = 4

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WILL GIVE BRAINLIESTThe graph below represents which system of inequalities? (attachment below)A. y ≤ −2x + 3y ≤ x + 3B. y ≥ −2x + 3y ≥ x + 3C. y ≤ −3x + 2y ≤ −x + 2D. y > −2x + 3y > x + 3

Solve the system using elimination.7x + 10y = 27X-10y = -19The solution is(Simplify your answer. Type an ordered pair.)