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mezya [45]
3 years ago
9

Pls help meh... I need help

Mathematics
2 answers:
sertanlavr [38]3 years ago
6 0
In a parallelogram, opposite angles are congruent and consecutive angles are supplementary. 

3x - 15 = 2x + 24
3x - 2x = 24 + 15
x = 39 <===
garik1379 [7]3 years ago
4 0
The answer is "X=39"
enjoy solving.

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Rachel is bowling with her friends. her bowling ball has a radius of 4 inches. as she bowls she tracks the location of the finge
Goshia [24]

Question Continuation

The finger hole changes by 45 degrees.

Define a function, f, that gives the height of the finger hole above the ground (in inches) in terms of the angle of rotation (measured in radians) it has swept out from the 12 o'clock position.

Answer:

f(θ) = r(1 + cos(θ)) for 0 ≤ θ ≤ π/4

Step-by-step explanation:

Given

Let represent radius

r = 4 inches

Considering that she starts tracking the location when the finger hole is at the 12 o'clock; this means that the angle measurement at this point is 0°.

Let θ represent the angle

At 12 o'clock mark

θ = 0

When the finger hole changes by 45 degrees

θ = 45°

Convert 45° to radians

θ = 45° * π/180

θ = π/4

So, angle θ is such that θ∈[0, π/4]

This can be represented as

0 ≤ θ ≤ π/4

Calculating the measure of f(θ) in polar coordinates

When θ = 0, f(θ) = r (i.e. the current position of the bowl)

When θ = π/2, f(θ) = rcosθ

This is so because f(θ), being the function of the height is a measure of the radius* cos(θ)

Taking measurement of f(θ) from 0 to π/2

f(θ) = r + rcosθ

f(θ) = r(1 + cos(θ))

So, f(θ) = r(1 + cos(θ)) for 0 ≤ θ ≤ π/4

7 0
3 years ago
While traveling at a constant speed in a car, the centrifugal acceleration passengers feel while the car is turning is inversely
Kazeer [188]

Answer:

Step-by-step explanation:

250 is the answer from a high schooler

3 0
3 years ago
Is Markiplier the best man?
ohaa [14]

Answer:

no jack is

Step-by-step explanation:

yeet

8 0
3 years ago
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I arranged my books so that I had the same number of books on each of my 4 shelves. If each shelf has 16 books on it, how many b
Doss [256]

Answer:

64 books

Step-by-step explanation:

4 0
3 years ago
What is the radius of a circle with the equation x2 + y2 – 14x + 10y = 250?
ololo11 [35]
X2 + y2 - 14x + 10y = 250
x2 -14x + 49 - 49 + y2 + 10x + 25 - 25 = 250
(x - 7)^2 - 49 + (y+5)^2 - 25 = 250
(x-7)^2 + (y+5)^2 = 250 + 49 + 25
(x-7)^2 + (y+5)^2 = 324

Therefore the radius, r
r = 324^0.5
r = 18
4 0
3 years ago
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