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Leni [432]
2 years ago
6

Write an equation of the direct variation that includes the point (-10,-17)

Mathematics
1 answer:
lys-0071 [83]2 years ago
8 0

Answer:

C

Step-by-step explanation:

The answer should be y= 17/10x

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HElp 64 points and Brainlyiest to who ever can solve the problem question on the picture
andrew11 [14]

Answer:

Addition Property of Equality

Step-by-step explanation:

You are adding 3/4 to both sides to isolate the <em>x</em>.

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3 years ago
What is the length of line segment ab
Leokris [45]
The length of the line segment here is 13.

Distance Formula: 
√((x₂ - x₁)² + (y₂ - y₁))
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5 0
3 years ago
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Use a graphing calculator to solve the system of linear equations. 2.1x+4.2y=14.7 −5.7x−1.9y=−11.4
tia_tia [17]

I used my calculator and got x=1 y=3

solve for y to put them in your calculator

2.1x+4.2y=14.7

y = (14.7 -2.1x)/4.2


−5.7x−1.9y=−11.4

y=(-11.4 +5.7x)/(-1.9)

then using the ploting tool I plotted them and found where they intersected

3 0
3 years ago
Find the equation of the line containing the point (-3,5) and having slope: 4
alina1380 [7]

Answer: d) y=4x+17

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5 0
3 years ago
HELPPPP!!!
Anuta_ua [19.1K]

Answer:

  A = √29

Step-by-step explanation:

The short of it is that ...

  A² = 2² + 5² = 29

  A = √29

_____

<u>Amplitude</u>

If you expand the second form using the sum-of-angles formula, you get ...

  Asin(ωt +φ) = Asin(ωt)cos(φ) +Acos(ωt)sin(φ)

Comparing this to the first form, you find ...

  c₂ = 2 = Acos(φ)

  c₁ = 5 = Asin(φ)

The Pythagorean identity can be invoked to simplify the sum of squares:

  (Asin(φ))² + (Acos(φ))² = A²(sin(φ)² +cos(φ)²) = A²·1 = A²

In terms of c₁ and c₂, this is ...

  (c₁)² +(c₂)² = A²

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_____

<u>Phase Shift</u>

We know that tan(φ) = sin(φ)/cos(φ) = (Asin(φ))/(Acos(φ)) = 5/2, so ...

  φ = arctan(c₁/c₂) . . . . . . . formula for phase shift*

  φ = arctan(5/2) ≈ 1.19029 radians

___

* remember that c₁ is the coefficient of the cosine term, and c₂ is the coefficient of the sine term.

3 0
3 years ago
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