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Art [367]
3 years ago
13

Help me! I need an equation and answers

Mathematics
2 answers:
sladkih [1.3K]3 years ago
4 0
95 x .35 = 33.25
95 - 33.25 = 61.75 (Sale Price)

To Find The Original Price, Use the formula S=P−PD, where S equals the sale price of the
item, P equals the original price of the item, and D equals the discount percent of the item.

55.5 = P -P(.75)
55.5 = P(1-.75)
55.5 = P(.25)
Divide Both Sides By .25 To Get P By Itself
222 = P
Alex_Xolod [135]3 years ago
3 0
Take the percent discount and flip it out of 100% so if the discount is 20% flip it to 80% then make that a decimal so .80 and multiply the original price by the decimal you found so 95*.80 and that's your sale price.
You might be interested in
A bucket that weighs 4lband a rope of negligible weight are used todraw water from a well that is 80ftdeep. The bucket is filled
liq [111]

Answer:

Workdone = 3200 lb.ft

Step-by-step explanation:

We are told that the bucket is filled with 40 lb of water but water leaks out of a hole in the bucket at a rate of 0.2lb/s

Thus,

Weight of water at any given time (t) would be;

w(t) = 40 - 0.2t - - - - (1)

We are told the bucket is pulled up at a rate of 2ft/s.

Thus, height at time (t); y = 0 + 2t = 2t

Since y = 2t,

Then,t = y/2

Put y/2 for t in eq 1

Thus; w(y) = 40 - 0.2(y/2)

w(y) = 40 - 0.1y

Now, at y = 80 ft, we have;

w(80) = 40 - 0.1(80)

w(80) = 40 - 8 = 32 lb

Since 32 lbs are left, it means there is always water in the bucket.

Thus, work done is;

W = 80,0[∫(Total weight).dy]

W = 80,0[∫[(weight of rope) + (weight of bucket) + (weight of water)]dy]

W = 80,0[∫[0 + 4 + 40 - 0.1y]dy]

Integrating, we have;

W = [44y - y²/20] at boundary of 80 and 0

So,

W = [44(80) - 80²/20] - [0 - 0²/20]

W = 3200 lb.ft

8 0
3 years ago
Find percent of change. $210 to $35
Tom [10]

Answer:

83%

Step-by-step explanation:

you take 210 - 35 over 210 which is 170 over 210 divide and you get rounded about .83 that as a percent is 83%

7 0
3 years ago
1,000.00 at 4.5% interest for 2 years
siniylev [52]
Each year we add 4.5% interest.
4.5% as a decimal is 0.045.
We multiply by 1.045 to add this interest.
(not 0.045, this would just be the interest and wouldn't keep the whole)

To start: $1,000
Multiply by 1.045 for the first year.
Now we have $1,045.
Multiply by 1.045 again for the second year.
Now we're at 1092.025.
We need to round up to the nearest cent...$1,092.03
4 0
2 years ago
What is the solution to 2x-8 <12​
Nookie1986 [14]

Step-by-step explanation:

2x-8<12

+8<+8

2x<20

\frac{2x}{2}  \frac{20}{2}

x<10

4 0
2 years ago
Find the value of x.
Dmitrij [34]

Answer:

x=18

Step-by-step explanation:

So (3x+20)° and (5x-16)° are angles that are vertically opposite to each other; which means that they are equal to one another. Which means we can say:

(3x+20)=(5x-16)

20+16=5x-3x

36=2x

x=18

*and the two angles are 74°

8 0
3 years ago
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