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vodka [1.7K]
2 years ago
6

Please help as soon as possible this is for my FINAL EXAM! , this is easy but I forgot how to do it. Thanks

Mathematics
1 answer:
marysya [2.9K]2 years ago
7 0

I'm going to refer to the length of the pool as L.

2x + 2L = perimeter.

The width of pool multiplied by two added to the length of the pool multiplied by two equals to the perimeter.

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EBook
77julia77 [94]

Answer:

Probability =0.9898

Step-by-step explanation:

Given that, mean = 4 = 300 standard deviation = 70 n = 100 PT = H = 128 oT = 0 / V n = 70/ v 100 = 7 a) within 6 = 300 ±6 = 294, 306 P(294< ī < 306) = P[(294 - 300) 7 < (ĩ -H ï) / o ĩ < (306 300) /7)] = P(-0.86 < Z < 0.86) = P(Z < 0.86) - P(Z < -0.86) Using z table, 0.8051 - 0.1949 %3D %3D %3D = 0.6102 Probability = 0.6102 a) within 18 = 300 t 18 = 294, 318 P(294< ī < 306) = P[(282 - 300) / 7< (ã -H i) / oī< (318 - 300) /7)] = P(-2.57 < Z< 2.57) = P(Z < 2.57) - P(Z < -2.57) Using z table, =0.9949 - 0.0051 =0.9898 Probability =0.9898

4 0
3 years ago
Find the interior angles of a regular polygon which has 6, 10 and 20 sides​
andrew-mc [135]

Answer:

(6)=120°

(10)=72°

(20)=36°

Step-by-step explanation:

(n-2)×180°

(6-2)×180°=720°

6÷720°=120°

10÷720°=72°

20÷720°=36°

4 0
2 years ago
A student is taking two courses, history and math. the probability the student will pass the history course is 0.59, and the pro
natka813 [3]

Probability of passing history course = 0.59

Probability of passing math course = 0.60

Probability of passing both courses = 0.49

Probability of passing at least one = 0.59 + 0.60 - 0.49 = 0.7 ##

3 0
3 years ago
Please help meh i dont know the answer
Savatey [412]

Answer:

3 inches

Step-by-step explanation: An equilateral triangle means all 3 sides are the same length.

A square also have the same length for all 4 sides.

So each side of the square is 6cm, to find the perimeter you do 6*4=24.

then divide the square's perimeter by 3 since triangle have 3 sides. 24/3=8

so each side of the triangle will be 8cm

7 0
3 years ago
Looking for Area of regular figures ? How to Steps would be appreciated :)
8090 [49]

Looking for the area of a regular figure would be taking the longest side and the shortest side and multiply

7 0
3 years ago
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