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balu736 [363]
2 years ago
9

Look at the following number sequence.

Mathematics
2 answers:
nordsb [41]2 years ago
4 0

Answer:

the next two terms would be 18 and 21

Luda [366]2 years ago
3 0

Answer:

18, 21

Step-by-step explanation:

By finding the difference between each term, you can find the pattern. 9-6=3, 12-9=3, 15-12=3, so we know that each term is 3 more than the last.

Therefore, by following the pattern of +3, the next term is 15+3=18 and the one after that is 18+3 = 21

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Equations must be written in the following format (using the number 20 as an example): Addition x + 20 = y; Subtraction x - 20 =
inn [45]

Answer:

In the graph we can find two points, lets select:

(2, 15) and (4, 30)

Those are the first two points.

Now, for two pairs (x1, y1) (x2, y2)

The slope of the linear equation y = s*x + b that passes trough those points is:

s = (y2 - y1)/(x2 - x1)

So the slope for our equation is

s = (30 - 15)/(4 - 2) = 15/2

then our linear equation is

y = (15/2)*x + b

now we can find b by imposing that when x = 2, y must be 15 (for the first point we selected)

15 = (15/2)*2 + b = 15 + b

b = 15 - 15 = 0

then our equation is:

y = (15/2)*x

Where we used a division and a multiplication.

4 0
3 years ago
There were 26 nickels,dime,and quarters in all and their value was $2.25. How many coin of each type were there if there were 10
Svet_ta [14]

Answer: is it 22.50

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
HEP MAKE INTO A DECIMAL!!!!
Korvikt [17]

Answer:

2.25

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Which number is greater and by how much: A decreased by 50% and then increased by 50% of the result
cricket20 [7]

Answer:

the original number is greater

Step-by-step explanation:

1. let 1x be your starting number

2. therefore, 0.5 * 1x = 0.5x ( amount after you decreased it by 50%)

3. then increase: 0.5x * 1.5 = 0.75x (amount after you increased it by 50%)

4. 0.75x < 1x (this means that the original number is larger than the one you decreased and then increased)

6 0
2 years ago
Can someone help me please will give brainlist
nadya68 [22]

Answer:

A) it converges

B) 1998.047

C) 2000

d) The sum is getting smaller and smaller

Step-by-step explanation:

Formula: a_n+a_1*r^(r-1)

(1000*((0.5^10)-1))/(0.5-1)=1998.047

(1000*((0.5^30)-1))/(0.5-1)=2000

8 0
1 year ago
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