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Katarina [22]
3 years ago
5

sebuah taman berbentuk persegi panjang dengan keliling (2x+24)m dan lebar (8-x)m. agar luas taman maksimum, panjang taman terseb

ut adalah....m
Mathematics
1 answer:
Veseljchak [2.6K]3 years ago
5 0
2(8-x) = 16-2x (because there are 2 width lengths in the whole perimeter (circumference).
2x+24 - 16-2x =8 (the x's cancel each other out)
8/2 = 4 (because the length is in 2 parts so they are each 4)
The length of the garden is 4m
Hope this helps :) 

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Suppose we roll a fair six-sided die and sum the values obtained on each roll, stopping once our sum exceeds 285. Approximate th
OlgaM077 [116]

Answer:

1

Step-by-step explanation:

Probability is given by number of possible outcomes ÷ number of total outcomes

Assuming we stop rolling the six-sided die once our sum is 290 ( exceeds 285)

Number of possible outcomes = 75, number of total outcomes = 290

Probability (75 rolls are needed to get this sum) = 75/290 = 0.259

Probability (more than 75 rolls are needed to get this sum) = 1 - 0.259 = 0.741

Probability (at least 75 rolls are needed to get this sum) means that either 75 rolls or more than 75 rolls are needed to get this sum = 0.259 + 0.741 = 1

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2 years ago
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What two numbers add to make 36 with one of the numbers being exactly twice the other?
11111nata11111 [884]

Answer:

12 and 24

Step-by-step explanation:

2 numbers, x in this case, with one being twice the other, one of them will be 2x, equals 36. Your equation would look like this: 2x+x=36. Simplify it to get 3x=36, divide the 3 and you get 12. 12 will be your small number then multiply by 2 to get your large one, 24.

7 0
3 years ago
Ratio question<br> I will mark brainliest
Usimov [2.4K]

2 m  -  polyester fabric: 4, cotton fabric: 14

6 m  -  polyester fabric: 12, cotton fabric: 42

8 m  -  polyester fabric: 16, cotton fabric: 56

9 m  -  polyester fabric: 18, cotton fabric: 63

check:

2 m: 4/14=2/7

6 m: 12/42=2/7

8 m: 16/56=2/7

9 m: 18/63 = 2/7

7 0
3 years ago
An oil tank has to be drained for maintenance. The tank is shaped like a cylinder that is
Dmitry_Shevchenko [17]
Fidn volume
V=hpir^2
d/2=r
1.4/2=0.7=r
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1.5 times t=5.3851
divide both sides by 1.5
t=3.59
round
t=4

4 minutes
6 0
3 years ago
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