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telo118 [61]
2 years ago
6

The perimeter of a rectangle is 30 cm. The height is 5 cm . what is the area of that rectangle.​

Mathematics
2 answers:
poizon [28]2 years ago
7 0

Answer:

Pretty sure its 50

Step-by-step explanation:

if the height is 5, that would be multiplied by 2 because there are two identical sides. From the product, 10, you would need to get to 30, so you add 20. that means the other two identical sides are 10cm. 10x5 (length x width) is equal to 50.

ella [17]2 years ago
6 0

Answer:

30 = 2 \times l +  2 \times b \\ 30 = 2 \times 5 + 2 \times b \\   30 = 10 + 2b \\ 30 - 10 = 2b \\ 20 = 2b \\  = 20  \div 2 = 10 \\ area = l \times b \\ 5 \times 10 = 50cm {}^{2}

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Divide the largest one by the smallest one : for example, the number 4 is 42=2× larger than the number 2.

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Step-by-step explanation:

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3 years ago
A machine used for packaging seedless golden raisins is set so that their standard deviation in the weight of raisins packaged p
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Answer:

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Step-by-step explanation:

The hypothesis :

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The Chisquare statistic, χ²: (n-1)*s²/σ²

Where s² = sample variance ; sample size, n = 30

Using calculator, the sample variance, s² = 0.1646

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