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sineoko [7]
3 years ago
15

The price for a TV was decreased by 20% and then by 10%. By what percent was the new price lower than the original?

Mathematics
1 answer:
Finger [1]3 years ago
7 0
Let's say the tv was 100$ . Reduced by 20% means the tv is now 100 - 20 = 80% of the original price.

0.8(100) = 80$
Reduced again; by 10% means that it is now 100-10 = 90% of the 80$
0.9(80) = 72$

sale price ÷ original price

72$ / 100$ = 0.72 which is 72% of the original price. Which is a mark down of:
100 - 72 = 28%

The new price is 28% lower than the original price.

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Which best represents the equation of this circle ?
likoan [24]

The equation of a circle:

(x-h)^2+(y-k)^2=r^2

(h, k) - center

r - radius

Look at the picture:

center: (4, -2) → h = 4, k = -2

radius: r= 5

Substitute:

(x-4)^2+(y-(-2))^2=5^2\\\\(x-4)^2+(y+2)^2=25\to\boxed{B.}

3 0
3 years ago
Order from least to greatest 1.25, 1.52, 1.02, 1.50
marusya05 [52]

Answer:

1.02 1.25 1.50 1.52.

Step-by-step explanation:

|•-•|

7 0
3 years ago
Read 2 more answers
Nathan buys 8 bottles of iced tea at the grocery store. He has coupons for $0.35 off the regular price of each bottle. After usi
solniwko [45]

Answer:

$1.25

Step-by-step explanation:

0.35 x 8 = 2.80

7.20 + 2.80 = 10

10 divided by 8 = 1.25

Thank you :)

3 0
3 years ago
Answer asap plz
babunello [35]
The circle graph is usually used to show proportions of a whole.

The Venn Diagram is used to represent the relationship between two or more collection of objects.

The double bar graph is used to compare two variables over a period of time.

The line graph is used to compare the trends of a variable over a period of time.

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3 0
3 years ago
PLEASE HELP!!
aliya0001 [1]

Ik this is late, but people who are looking for the answer can see this.

Answer:

an =1/3*6^n-1

Step-by-step explanation:

You should plug in 2 for n in each equation, which, the correct one should give you 2. Then, to make sure, you plug in 3 in the equations that gave you 2.

Example:

an = 1/3 * 6 ^n-1

Plug in 2.

an = 1/3 * 6 ^2-1

an = 1/3 * 6 ^1

1/3 * 6 = 2

Step 2.

an = 1/3 * 6 ^3-1

an = 1/3 * 6 ^2

1/3 * 36 = 12

Hope this helps.

4 0
3 years ago
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