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2 years ago

Bonjour à tous, pouvez vous m'aider à trouver la réponse pour cette "question ouverte" svp?

Mathematics

1 answer:

AlekseyPX2 years ago

8 0

La solution:

625 cm^2.

Explication étape par étape:

Si la forme est rectangulaire, elle aura la plus grande superficie possible quand la longueur équivaut à la largeur. Pour avoir un périmètre de 100 cm, cela signifie que chaque côté doit faire 25 cm.

La superficie serait alors de 25 cm x 25 cm = 625 cm^2.

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An airplane cuts through the morning sky. For every 1,000 feet that it climbs, the outside temperature drops 20 degrees Fahrenhe

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3 years ago

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2/5+3/8 5th grade Math. Please help.

dimulka [17.4K]

Answer:

31/40

Step-by-step explanation:

Given expression:

$\dfrac{2}{5} + \dfrac{3}{8}$

Note: Both fractions must have same denominators if we want to perform addition, subtraction, multiplication, or division.

The only way to simplify this expression is to have a common denominator, which can be determined by the LCM of 5 and 8.

⇒ Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45...
⇒ Multiples of 8: 8, 16, 24, 32, 40, 48, 56, 64, 72...

Multiply the denominators with such a number that is equivalent to 40.

Note: The number you are multiplying should also be multiplied to the numerator.

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Finally, simplify the expression to determine the solution.

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2 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

Please help me solve this question will give you braisnlt !

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Answer:

$s = 54m +160$

Step-by-step explanation:

Given: The attachment

Required: Determine the equation

We start by picking any two equivalent points on the table:

$(m_1,s_1) = (2,268)$

$(m_2,s_2) = (4,376)$

Next, we determine the slope, M:

$M = \frac{s_2 - s_1}{m_2 - m_1}$

$M = \frac{376 - 268}{4-2}$

$M = \frac{108}{2}$

$M = 54$

The equation is then calculated as:

$s - s_1 = M(m - m_1)$

Where:

$M = 54$

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So, we have:

$s - 268 = 54(m - 2)$

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Collect like terms

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Hence, the equation is: $s = 54m +160$

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3 years ago