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Gnoma [55]
3 years ago
11

The perimeter of a rectangle is 24 cm. if the length is y cm, what is the width?

Mathematics
1 answer:
KiRa [710]3 years ago
3 0
Answer: x=12-y

2x+2y=24
2x=24-2y
x=12-y
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Funcion. que a cada numero le asocia su mitad​
expeople1 [14]

La función que a cada número le asocia su mitad es: f(x)= x/2

Explicación:

La mitad de una cantidad consiste en dividir el total en dos partes iguales, por lo tanto, la función debe representar una división entre el total y 2. Sea x el total, la función sería:

f(x)= x/2

Ejemplos:

La mitad de 20: f(20)= 20/2 = 10

La mitad de 8: f(8)= 8/2 = 4

La mitad de 100: f(100)= 100/2 = 50

La mitad de 2354: f(2354)= 2354/2 =1177

6 0
3 years ago
Learn with an example
liubo4ka [24]

Answer:12

Step-by-step explanation:

36:3=12

6 0
2 years ago
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I need help with this problem. Given: BC = 10 inches AC = √50 inches m∠CBD = 60° m∠CAD = 90° Calculate the exact area of the sha
Nikitich [7]

Answer:

Area of the shaded region = 23.33 in²

Step-by-step explanation:

Area of a sector = \frac{\theta}{360}(\pi r^{2})

Where θ = Central angle subtended by an arc

r = radius of the circle

Area of the sector BCD = \frac{60}{360}(\pi) (10^{2})

                                       = 52.36 in²

Area of equilateral triangle BCD = \frac{\sqrt{3} }{4}(\text{Side})^2

                                                      = \frac{\sqrt{3} }{4}(10)^2

                                                      = 25\sqrt{3} in²

                                                      = 43.30 in²

Area of the shaded portion in ΔBCD = 52.36 - 43.3

                                                             = 9.06 in²

Area of sector CAD = \frac{90}{360}(\pi)(\sqrt{50})^2

                                 = 39.27 in²

Area of right triangle CAD = \frac{1}{2}(\text{Base})(\text{Height})

                                            = \frac{1}{2}(\text{AC})(\text{AD})

                                            = \frac{1}{2}(\sqrt{50})(\sqrt{50})

                                            = 25 in²

Area of the shaded part in the ΔACD = 39.27 - 25

                                                                         = 14.27 in²

Area of the shaded part of the figure = 9.06 + 14.27

                                                                = 23.33 in²

8 0
3 years ago
8th grade math help!!
horsena [70]

Step-by-step explanation:

A = 1/2h(b1 + b2)

2A = h(b1 + b2)

h(b1 + b2) = 2A

h = 2A/(b1 + b2)

5 0
2 years ago
Please help with this math problem! I will mark brainliest!! Tysm!
Monica [59]

The answer is D

Hope this helps

8 0
3 years ago
Read 2 more answers
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