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Ipatiy [6.2K]
3 years ago
14

Whats the perimeter

Mathematics
2 answers:
kotykmax [81]3 years ago
5 0
It the outside of a figure
OLEGan [10]3 years ago
5 0
You have to add the 2 sides of length and 2 sides of the width together 
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Which of the following is equivalent to (n-3)(n-5) a. n2-8n+15, b. n2+8n-15, c. n2-15n+8
solong [7]
Foil the binomials

First: n*n=n^2
Outer: n*-5=-5n
Inner: -3*n=-3n
Last: -3*-5=15

Put it together and simplify
n^2-5n-3n+15
n^2-8n+15

Final answer: A
5 0
2 years ago
Write the recurring decimal 0.4 as a fraction in its simplest form.
Ugo [173]

Answer:

2/5

Step-by-step explanation:

0.4 = 4/10 which in simplest form is 2/5

8 0
2 years ago
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A classroom has 12 girls for every 4 boys. What is the ratio of boys to total students?
guapka [62]

Step-by-step explanation:

4:16

No it's ok no need to thank me, it's my duty to help someone like you

6 0
2 years ago
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3b×+7c<br> 2×2+4<br> 3×3_6×+5<br> 7y +8s_3
PilotLPTM [1.2K]

Answer:

6

Step-by-step explanation:

8 0
3 years ago
This may prove to be somewhat tricky.) Suppose that we have 10 coins, which are weighted so thatwhen flipped theith coin shows h
timama [110]

Answer:

2/10

Step-by-step explanation:

Probability of getting head on i'th coin = i/10

Probability Pr of getting head on 2nd coin (Event A) = 2 / 10

Probability Pr of getting head on 1st coin (Event B) = 1/10

Probability A given B = Pr (A/B) = Pr (A∩B) / Pr B ;

where A∩B = Pr (A & B) = Pr A X Pr B

Putting in above formula :

Pr (A/B) = <u>[(</u>1/10)x(2/10<u>)]</u>  / 1/10

= 2/10

4 0
3 years ago
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