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Effectus [21]
4 years ago
9

Mala ran 30 laps in week one and will increase the number of laps she runs by 2 each week. Coby runs 16 laps in week one and wil

l increase the number of laps he runs by 5 each week. Assuming the pattern shown in this table continues, in how many weeks will Coby be running more laps each week than Mala?

Mathematics
1 answer:
matrenka [14]4 years ago
7 0
The equations are 30+2x and 16+5x. i plug random numbers into x until you fint the correct answer. the answer is 5.

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(n-5)/(n^2-25) how would i write this faction in simplest form?
mestny [16]
\dfrac{n-5}{n^2-25}  =  \dfrac{n-5}{(n+5)(n-5)} =  \dfrac{1}{n+5}
7 0
4 years ago
How much should you invest at 2.1% simple interest in order to earn $85 interest in 7 months?​
Natasha_Volkova [10]

Answer:

$6938.78

Step-by-step explanation:

Interest = Principal x Rate x Time (in years)

let 'P' = Principal

85 = P × .021 × \frac{7}{12}

85 = .01225P

85 / .01225 = P

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3 0
3 years ago
What is the total perimeter of this figure? Express your answer in feet.
GarryVolchara [31]
We know that
perimeter of the figure=perimeter of semi circle+perimeter of rectangle
so
perimeter of semicircle=2*pi*r/2----> pi*r
diameter=6 yd
radius r=6/2----> r=3 yd

convert to ft
1 yd ------> is equal to 3 ft
3 yd-----> x
x=3*3----> x=9 ft
so 
diameter=18 ft
radius=9 ft
perimeter of semicircle=pi*9----> 28.26 ft

perimeter of rectangle=18+15+15----> 48 ft

perimeter of the figure=28.26 ft+48 ft-----> 76.26 ft

the answer is
<span>76.26 ft</span>
6 0
3 years ago
Read 2 more answers
How do you solve e^7 inx
Setler79 [48]
<span><span><span><span>(<span>2.7182827</span>)</span><span>(i)</span></span>n</span>x

</span><span>Your Answer =<span><span><span>1096.633158i</span>n</span><span>x</span></span></span>
4 0
4 years ago
Help me answer this question
Zigmanuir [339]

Answer:

3.5

Step-by-step explanation:

27/3=9 and 18/3 is 6 so 10.5/3 is 3.5

8 0
3 years ago
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