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Temka [501]
2 years ago
7

4.1 Unit Rates

Mathematics
1 answer:
fiasKO [112]2 years ago
8 0

Answer: 17.5

Step-by-step explanation:

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If n lines are drawn in a plane, how many regions do they separate the plane into? induction
grandymaker [24]
Hello,

Let's assume i the number of lines,
 u(i) the number of regions:

u_0=1\\\\
u_1=2=1+1=1+u_0\\\\
u_2=4=2+u_1\\\\
u_3=7=3+u_2\\\\
u_4=11=4+u_3\\\\
u_5=16=5+u_4\\\\
...\\\\
\boxed{u_{n+1}=(n+1)+u_{n}}\\\\

u_{n+1}=(n+1)+n+(n-1)+...+1+u_0\\\\

\boxed{u_{n+1}= \dfrac{(n+1)*(n+2)}{2}+1 }
6 0
3 years ago
This is timed and I just need to see if i’m right! please check my work :)
Misha Larkins [42]
Hi! actually, the y intercept is 0, 8. hopefully this helps
4 0
3 years ago
Tara earns $8.00 per hour for babysitting. Which expression represents how much Tara earns for h hours of babysitting? 4 83​
Westkost [7]

Answer:

Total amount Tara earned for babysitting for h hours = 8h

Step-by-step explanation:

Amount earned per hour for babysitting = $8.00

Number of hours of babysitting = h hours

Total amount Tara earned for babysitting for h hours =

Amount earned per hour for babysitting × Number of hours of babysitting

= 8 × h

= 8h

Total amount Tara earned for babysitting for h hours = 8h

6 0
3 years ago
Which statement about the equation is true?
GalinKa [24]
Infinitely many solutions, you need to do the distributive property.
5 0
3 years ago
Read 2 more answers
Angle x and 56 are complementary. What is the value of x?<br> 149<br> 34<br> 56<br> 90
Anni [7]

Answer:

34°

Step-by-step explanation:

90-56=34°

__________

5 0
2 years ago
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