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nordsb [41]
2 years ago
15

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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Someone help please! Determine the intercept of the line that passes through the following points ​
storchak [24]

Answer:

x: (-5.0)

y: (0, -17.5)

Step-by-step explanation:

The x-intercept of the line is when y=0. In the table is the point (-5,0). This is the x-intercept.

To find the y-intercept, find when x=0. Write an equation for the table in y=mx + b. Find the slope between two points first.

m = \frac{y_2-y_1}{x_2-x_1} = \frac{7-0}{-7--5} =\frac{7}{-7+5}=-\frac{7}{2} = -3.5

The slope is -3.5. So the equation is

y - 7 = -3.5(x--7)

y - 7 = -3.5 (x+7)

y - 7 = -3.5x - 24.5

y = 3.5x - 17.5

Since it is in y=mx+b, b= -17.5 and this is the y-intercept.

5 0
3 years ago
Ming-Li spent $15 at the movies. She then earned $30 babysitting. She spent $12 at the bookstore. She now has $18 left. How much
liq [111]
$21 I believe (it's 1 am where I am so I'm not 100% sure but I think it's correct)
5 0
2 years ago
Find f (20) for f(n) = -2n +6
kiruha [24]

Answer:

f(n) = -34

Step-by-step explanation:

n = 20

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3 0
3 years ago
For what value of r is the parallelogram a rhombus
Gre4nikov [31]

Answer:

9

Step-by-step explanation:

7r+18=r²

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factorizing

r²+2r-9r-18=0

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check

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The equation y=2x represents a set of data. Which statement is NOT true?
Tresset [83]

Answer:

The initial value is 2

Step-by-step explanation:

6 0
2 years ago
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