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vova2212 [387]
3 years ago
8

At a sale, coats were sold for $17 each. If the coats originally cost $20 each, what percentage of its original price was a coat

sold for?
Mathematics
1 answer:
PtichkaEL [24]3 years ago
8 0
15% off
$20 is 100%
$10 is 50%
$1 is 5%

Use that to work them out and voila
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3(1-5x)=2(3x+1) find the solution set
tiny-mole [99]

Answer:

1/21

Step-by-Step Explanation:

Let's solve your equation step-by-step.

3(1−5x)=2(3x+1)

Step 1: Simplify both sides of the equation.

3(1−5x)=2(3x+1)

(3)(1)+(3)(−5x)=(2)(3x)+(2)(1)(Distribute)

3+−15x=6x+2

−15x+3=6x+2

Step 2: Subtract 6x from both sides.

−15x+3−6x=6x+2−6x

−21x+3=2

Step 3: Subtract 3 from both sides.

−21x+3−3=2−3

−21x=−1

Step 4: Divide both sides by -21.

-21x/-21=-1/-21

x=1/21

7 0
2 years ago
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Look at this table<br>is this relation a function​
Nadusha1986 [10]

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i believe function !

Step-by-step explanation:

cuz im smart

5 0
3 years ago
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Which expression is equivalent to 64y^18 - 1000z^6 ?
Stella [2.4K]

Answer:

8(8y^{18} -125z^{16})

Step-by-step explanation:

4 0
3 years ago
How many dots are in the 4th step
Sever21 [200]

Answer:

24

Step-by-step explanation:

if we observe carefully we can see that the difference in the number of dots from the first picture to the second picture is 5

and the difference in the number of dots from the second picture to the third picture is 7

so there might be a chance that the difference between the 3rd figure and 4th figure may be 9

so my answer is the number of dots in the 3rd picture + 9

15+9= 24

3 0
2 years ago
if P(x)=1+6x-5x^2 represents the profit in selling x thousand Boombotix speakers, how many speakers should be sold to maximize p
Rashid [163]

Answer:

600

Step-by-step explanation:

p(x) = 1 + 6x - 5x^2

x max = -b/2a

a = -5

b = 6

-6/2(-5) = 6/10 = 3/5 = .6

.6 thousand = 600

600 speakers should be sold.

Alternatively, you can check the vertex of the parabola formed.

8 0
3 years ago
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