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Sergio039 [100]
3 years ago
13

Total

Mathematics
1 answer:
Semmy [17]3 years ago
7 0

Answer:

IBHBHIBH

Step-by-step explanation:

HBHBJBHKJ

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1,2,4,7,11,16,22, ___,____<br> What is the rule?
Paha777 [63]
Find rates of change until you find a constant.

dy/dx=1,2,3,4,5,6

d2y/dx2=1,1,1,1,1  

So the acceleration, d2y/d2x, is constant.  This means that this is a quadratic sequence of the form a(n)=an^2+bn+c.  So we can set up a system of equations to solve for the values of a,b, and c.  Using the first three points, (1,1), (2,2), and (3,4) we have:

9a+3b+c=4, 4a+2b+c=2, and a+b+c=1  getting the differences...

5a+b=2 and 3a+b=1  and getting this difference...

2a=1, so a=1/2 making 5a+b=2 become:

2.5+b=2, so b=-1/2, making a+b+c=1 become:

1/2-1/2+c=1, so c=1  so the rule is:

a(n)=0.5x^2-0.5x+1  or if you prefer to not have decimals

a(n)=(x^2-x+2)/2
6 0
2 years ago
Read 2 more answers
Which expression is a perfect cube?
Blizzard [7]

Answer:

The answer is b

Step-by-step explanation:

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5 0
2 years ago
Help please !! i will give brainliest
grin007 [14]

Answer:

k = \frac{5}{6}

Step-by-step explanation:

The scale factor is calculated as the ratio of corresponding sides, figure on right to figure on left, that is

k = \frac{30}{36} = \frac{5}{6} ← in simplest form

6 0
2 years ago
Applying the Pythagorean Theorem Warm-up What is the value of x? 10 8​
sukhopar [10]

Answer:

<h3>x = 6</h3>

Step-by-step explanation:

According to pythagorean theorem

a² = b² + x²

a is the hypotenuse

b and x are the opposite and adjacent

Let a = 10

b = 8

Substitute and get x:

10² = 8²+x²

x² = 10²-8²

x² = 100-64

x² = 36

x = √36

x = 6

<em>Hence the value of x is 6</em>

<em></em>

8 0
3 years ago
Which of the following values of x make the following functions equal?
MrRissso [65]

Answer:

x=2

Step-by-step explanation:

y=2(2)-1

=4-1

=3

y=-5(2)+13

=-10+13

=3

3 0
3 years ago
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