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lana66690 [7]
3 years ago
13

Pls help me out with these questions anwser 9 and 10 pls :) have a nice day there easy too!

Mathematics
2 answers:
Kruka [31]3 years ago
8 0
Where’s the photo ?
Schach [20]3 years ago
5 0

Answer:

9+10 is 21

Step-by-step explanation:

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Each side of the first figure is one unit copy and complete the table then find the function rule for the relationship between t
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Perimeter of a shape is the total length of its border

Figure 1, perimeter = 5 units
Figure 2, perimeter = 7 units
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Figure 4, perimeter  = 11 units

Notice that the perimeter is forming an Arithmetic sequence; 5, 7, 9, 11 with a common difference of 2

The general form of an Arithmetic sequence is 

n_{th}term=dn+0^{th}term

Where 'd' is a common difference and 'n' is the number of terms.

We have d = 2, and
zero term = the term before the first term = 3

n_{th}term=2n+3 ⇒ This is the rule to find the perimeter of the next figures

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3 years ago
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Answer:

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3 years ago
A toy car accelerates from rest to a velocity of 4.3 m/s. It does this over a time of 4 seconds. What is the car's acceleration?
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The functions f and g are defined as follows f(x)=5x+3/6x+7 and g(x)= square root sign x^2-4x
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If we assume x≠0 ,    f(6/x) = [30 +3x]/ [36 + 7x]

g(x)=√<span> [ x^2-4x ]
</span>
g(x-4) = √ [ (x-4)^2-4(x-4) ] = √ [ x² -8x +16 -4x +16 ] = √ [ x^2-12x +32]
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3 years ago
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