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kolbaska11 [484]
3 years ago
15

Find the error & explain why it is wrong:

Mathematics
1 answer:
anastassius [24]3 years ago
3 0

Answer:

Step D is incorrect it is 19/24 not 20/24

Step-by-step explanation:

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A direct variation passes through the point (-3,9) given y varies directly as x find the value of y when x is 2
frutty [35]

Answer:

<em>y=-6</em>

Step-by-step explanation:

<u>Proportions</u>

A direct proportion is a relation between variables where their ratio is a constant value. This means that if y and x are proportional, then:

y = kx

Where k is the constant of proportionality.

Substituting x=-3 y=9:

9 = k(-3)

k=\frac{9}{-3}=-3

Now the relationship is:

y = -3x

For x=2

y = -3(2) = -6

5 0
3 years ago
I WILL UPVOTE!!!!!!<br> PLZ HELP ALGEBRA A-B.<br><br> Evaluate b^2c^-1 for b = -4 and c = 2.
Keith_Richards [23]
B^2c^-1
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-4^4^-1
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1 + i
6 0
3 years ago
How to reflect a point on a unit circle across axis?
dlinn [17]
Start at the given point. Draw a segment from that point through the center of the circle, and extend the segment until it intersects the circle. The new point of intersection of the segment and the circle is the image of the original point.
7 0
3 years ago
The tables show the cost for different numbers of song downloads.
iren [92.7K]

Answer:

D

Step-by-step explanation:

its the right answer bc its proportional

8 0
3 years ago
Read 2 more answers
A Luxury of Furniture at a store sells couches for $4,000,Reclining Chairs for $2,040 and loveseats for $2,800. This Luxury line
Kamila [148]
<span><span>1.       </span>Couches = $4 000
Reclining Chairs = $ 2 040
=> Loveseats = $2 800
So, the luxury store went on sale that makes each prices divided 4
=> Couches = 4 000 / 4 = 1 000 dollars
=> 2 couches = 2 000 dollars
=> reclining chairs = 2 040 / 4 =510 dollars
=> 1 reclining chair = 510 dollars
=> Loveseats = 2 800 / 4 = 700 dollars
=> 3 loveseats = 2 100 dollars</span>



8 0
3 years ago
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