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joja [24]
3 years ago
12

Find the remainder when f(x) = (3x + 10x² + x - 2) divided by (x + 3)

Mathematics
1 answer:
olga_2 [115]3 years ago
4 0
It would be x=0.32169905...0.62169905...
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Stela's piano lesson starts at 4:30. The lesson is 50 minutes long. When does her lesson end?
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The answer is at 5:20
7 0
3 years ago
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The height of a triangular sail is 2 meters less
galina1969 [7]

Answer:

Step-by-step explanation:

Area=1/2(bh)

b=x

height=2x-2, units meters

30=(1/2)bh

60=bh=x(2x-2)

2x^2-2x=60

2x^2-2x-60=0

x^2-x-30=0

(x-6)(x+5)=30

x=6 as only positive root.

2x-2=10

Their product is 60 m^2, half of which is 30 m^2

The base is 6 m; the height is 10 m.

6 0
4 years ago
Two students from a class of 20 are chosen at random to escort a guest speaker to a presentation. The first student will introdu
Natalija [7]

Answer:

380 different ways

Step-by-step explanation:

We can solve this problem using a permutation formula, as the order in a group of two students matter.

So, for this problem, we have 20 students and want to form groups of 2, so we have a permutation of 20 choose 2:

P(20,2) = 20! / (20-2)! = 20! / 18! = 20 * 19 = 380 different ways

Another way to solve this problem is:

For the first student being chose, we have 20 students available, and for the second student, we have just 19, as one was already chose, so the number of ways to choose these two students is 20 * 19 = 380

5 0
4 years ago
Find the area of the trapezoid 14.5 8 19.5​
Svetlanka [38]

Step-by-step explanation:

Which one is the height?¿

The formula is

b1+b2 divided by 2 times the height

That's the best I can do for you atm atleast.

8 0
3 years ago
Write a ratio, in simplest form, that compares two quantities(show your work) 3 years to 6 months
Sergio [31]
<span><u><em>Answer:</em></u>
The ratio is 6 : 1

<u><em>Explanation:</em></u>
<u>To find the ratio, we first need to make the units consistent.</u>
I will convert all units to "months"

we know that one year has 12 months, therefore:
3 years = 3 * 12 = 36 months
6 months is simply equal to 6 months

Now, to get the ratio, we will simply <u>divide the two quantities and simplify</u> as follows:
36 months to 6 months = </span>\frac{36 months}{6months}<span> = </span>\frac{36}{6}<span> = </span>\frac{6}{1}<span>

Based on the above, the ratio is 6:1

Hope this helps :)</span>
8 0
3 years ago
Read 2 more answers
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