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Yuri [45]
2 years ago
8

Help me please Thanks

Mathematics
1 answer:
Gelneren [198K]2 years ago
5 0
Answer:
D

Explanation:
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Kathy wants to buy a sweater with a price tag of $25 the store is having a 40% off sale on all clothing which expression represe
Andrei [34K]

Answer:

.60 x $25 = X

Step-by-step explanation:

there aren't any multiple choice for the expressions but this expression would give you the answer

60% or .60 times the original price of the item will give you the new price of the item

$15 is the new price of the item

3 0
3 years ago
A rectangular window pane has an area of 15x^2 - 19x + 6. The width of the window pane is 3x - 2. What is the length of the wind
almond37 [142]
Length= 5x-2 because 15x^2-10x-9x+6 is (5x-2) and (3x-2) 
LW=A
L={(5x-2)(3x-2)}/(3x-2)=5x-2
7 0
2 years ago
36<-2(x+4)+14. plz i need help asap​
Gelneren [198K]
X=7
I hope this helps
8 0
2 years ago
The blades of a windmill turn on an axis that is 40 feet from the ground. The blades are 15 feet long and complete 3 rotations e
astraxan [27]

Answer:

a is the _amplitude_(Length of the blades)_

The vertical shift, k, is the _Mill shaft height_

a = 15\ ft\\\\k = 40\ ft

y = 15sin(\frac{\pi}{10}t) + 40

Step-by-step explanation:

In this problem the amplitude of the sinusoidal function is given by the length of the blades.

a = 15\ ft

The mill is 40 feet above the ground, therefore the function must be displaced 40 units up on the y axis. So:

k = 40\ ft

We know that the blades have an angular velocity w = 3 rotations per minute.

One rotation = 2\pi

1 minute = 60 sec.

So:

w = \frac{3(2\pi)}{60}\ rad/s

w = \frac{\pi}{10}\ rad/s

Finally:

a is the _amplitude_(Length of the blades)_

The vertical shift, k, is the _Mill shaft height_

a = 15\ ft\\\\k = 40\ ft

y = 15sin(\frac{\pi}{10}t) + 40

3 0
3 years ago
Read 2 more answers
Find the slope of the line passing through the points (-6,6) and (4,-7)
Alla [95]

Answer:

m = -13/10

Step-by-step explanation:

Madison, imagine that you're moving from (-6, 6) to (4, -7) with interest in knowing how much x (the run) and y (the rise) change.

In the first instance, x increases by 10 from -6 and +4.  Simultaneously, y decreases by 13 from 6 to -7.

Thus the slope is m = rise / run = m = -13/10

8 0
3 years ago
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