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ramireznoem1031
28.01.2021 •
Mathematics
I" GIVE FIVE STAARS AND BRAINLIEST
Figure 1- 6 blocks
figure 2- 11 blocks
Figure 3- 18 blocks
Which of the following functions represents f(n), the number of small squares in figure n?
a.f(n)=4n^2+2
b.f(n)=n^2+5
c.f(n)=(n+1)^2+2
d.f(n)=(n+1) (n+2)
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Ответ:
c. f(n) = (n+1)^2 + 2
Step-by-step explanation:
It is c. because...
f(n) = (1+1)^2 + 2
2^2 + 2
4 + 2 = 6 (first term)
f(n) = (2+1)^2 + 2
3^2 + 2
9 + 2 = 11 (second term)
f(n) = (3+1)^2 + 2
4^2 + 2
16 + 2 = 18 (third term)
Ответ:
We verified that the equation
has both sides equal.
Step-by-step explanation:
We need to solve and verify:![7\frac{1}{2}\div1\frac{1}{2}=5](/tpl/images/0933/2782/d9aa6.png)
Solving:
Converting into improper fractions
Converting division sign into multiplication and reversing 3/2 i.e
Now simplifying
So, We verified that the equation
has both sides equal.