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Schach [20]
2 years ago
8

Using the picture below find the area of the trapezoid ?

Mathematics
1 answer:
Julli [10]2 years ago
5 0

Answer:

(a) 8x-16 cm^2

Step-by-step explanation:

From the given figure of trapezoid:

Height, h=8 cm

Bases, b_1=(x-6)cm \; and \; b_2=(x+2)cm.

Area of the trapezoid,

A=\frac 1 2 h (b_1 + b_2) \\\\=\frac 1` 2 \times 8 ( x-6+x+2) \\\\=4(2x-4) \\\\

=8x-16 cm^2

Hence, option (a) is correct.

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PLEASE HELP ASAP
Lesechka [4]

Answer:

A. f and h

Step-by-step explanation:

For a linear function the First Differences of the y-values must be a constant. i.e. if we take the difference between any two consecutive y values or values of f(x) it should be the constant. For this rule to work, x values must change by the same number every time, which is true for all three given functions.

For function f:

The values of f(x) are: 5,8,11,14

We can see the difference in consecutive two values is a constant i.e. 3, so the First Difference is the same. Hence, function f is a linear function.

For function g:

The values of g(x) are: 8,4,16,32

We can see the difference among two consecutive values is not a constant. Since the first differences are not the same, this function is not a linear.

For function h:

The values of h(x) are: 28, 64, 100, 136

We can see the difference among two consecutive values is a constant i.e. 36. Therefore, function h is a linear function.

5 0
3 years ago
Find midpoint of CD C=(10,-1)and D=(6,3)
antoniya [11.8K]

Answer:

(8,1)

Step-by-step explanation:

The x coordinate of the midpoint is

(10+6)/2 = 16/2  =8

The y coordinate  of the midpoint is

(-1+3)/2 = 2/2 =1

The midpoint is (8,1)

6 0
3 years ago
El angulo de elevacion del sol es de 29°12'35''. Calcular la longitud de la sombra proyectada por un hombre de 1,75m de estatura
Bingel [31]

Respuesta:

3,59 metros

Explicación paso a paso:

Conversión del ángulo de elevación a grados;

29 ° 12 '35 "

= 29 ° + 12 '/ 60 + 35 "/ 3600

= 29,20972 °

Resolviendo el triángulo de solución adjunto:

La longitud de la sombra se puede obtener utilizando la relación trigonométrica;

Sin θ = opuesto / hipoteno

Sin 29.20972 = 1.75 / sombra

Sombra = 1.75 / Sin 29.20972

Longitud de la sombra = 3,59 m

3 0
2 years ago
Which ordered pair has an x value of 7 ??? (7,10) (3,10) (4,7) (3,4)
Y_Kistochka [10]
Base on the question and the given coordinates, I would say that the ordered pair among the choices that has a value of 7 in the x coordinate is (7,10). I hope you are satisfied with my answer and feel free to ask for more if you have questions and further clarification about the said question
7 0
2 years ago
Simplify the following​
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Bdhdjebbsjwbdnsjbsbrhbee dev
7 0
2 years ago
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