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andreev551 [17]
3 years ago
14

Both triangles are similar. The area of the smaller triangle is about 97 ft2. Which is the best approximation for the area of th

e larger triangle?
Mathematics
2 answers:
8090 [49]3 years ago
8 0
I think you would times them to find the area which is 194 ft4
Marat540 [252]3 years ago
6 0

well just by looking at it i think it is 133ft2

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An author published a book which was being sold online. The first month the author sold 21000 books, but the sales were declinin
Wittaler [7]

Answer:  119,616

You may have to erase the comma when inputting the answer.

=======================================================

Explanation:

The author sells 21,000 books in the first month.

Then they sell 21,000*(1-0.12) = 21,000*(0.88) = 18,480 in the second month.

Then they sell 18,480*(1-0.12) = 18,480*(0.88) = 16,262.4 = 16,262 in the third month.

And so on. These values follow a geometric sequence with first term a = 21,000 and common ratio r = 0.88

We can think of the 0.88 as 88% of the original value (since losing 12%, we keep the remaining 88%)

-------------

Use the formula below to sum the first 9 terms of the geometric sequence

Plug in a = 21000 and r = 0.88

S_n = a*\frac{1-r^n}{1-r}\\\\S_9 = 21000*\frac{1-0.88^9}{1-0.88}\\\\S_9 \approx 21000*\frac{0.6835216}{0.12}\\\\S_9 \approx 21000*5.6960133\\\\S_9 \approx 119,616.2793\\\\S_9 \approx 119,616\\\\

The author sold about 119,616 books over the course of the first nine months.

4 0
2 years ago
Expand and simplify<br> (x – 3)(2x - 2)
vekshin1

Answer:

2x^2 - 8x + 6

Step-by-step explanation:

2x*x+(-3x*2x)+(x*(-2))+6=

2x^2-8x+6

6 0
2 years ago
Good at graphing coordinates? I need some help on that please!
ohaa [14]
Here are the coordinates :)

4 0
2 years ago
Wendy scores 24 points in a basketball game. If all of her baskets were 3-point shots, how many baskets did she make?
yarga [219]
Hello!

If all her shots were 3 pointers we will just divide

24÷3=8

Wendy made 8 baskets.

I hope this helps!
5 0
3 years ago
Read 2 more answers
Help mee !! I’ll give points !!
exis [7]

Answer: It is (x - 3)(x + 5)

6 0
3 years ago
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