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2 years ago

Please answer this question

Mathematics

1 answer:

Kipish [7]2 years ago

4 0

Answer:

Graph C

Step-by-step explanation:

They are "opposites" for each other, and aside from 0, are functions.

Son "opuestos" entre sí y, a excepción de 0, son funciones.

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Kobotan [32]

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3 years ago

Show work please!!! Solve the equation by completing the square. If necessary, round to the nearest hundredth.

weeeeeb [17]

Answer:

1. B 2. C

Step-by-step explanation:

1. x^2-18x+(18/2)^2=19+(18/2)^2

(x-18/2)^2=100

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x1= -1 x2= 19

2. x^2=81

x=+-9

x1=-9 x2=9

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3 years ago

Find the missing value to the nearest hundredth. sin __ = 8/15

Sedaia [141]

Sin32.23= 8/15. This is the answer. I checked on the calculator

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2 years ago

Read 2 more answers

Find the area of a quadrilateral ABCD in which AB = 3 cm, BC = 4 cm, CD = 4 cm, DA = 5 cm and AC = 5 cm.

melamori03 [73]

Answer:

$6+2\sqrt{21}\:\mathrm{cm^2}\approx 15.17\:\mathrm{cm^2}$

Step-by-step explanation:

The quadrilateral ABCD consists of two triangles. By adding the area of the two triangles, we get the area of the entire quadrilateral.

Vertices A, B, and C form a right triangle with legs $AB=3$ , $BC=4$ , and $AC=5$ . The two legs, 3 and 4, represent the triangle's height and base, respectively.

The area of a triangle with base $b$ and height $h$ is given by $A=\frac{1}{2}bh$ . Therefore, the area of this right triangle is:

$A=\frac{1}{2}\cdot 3\cdot 4=\frac{1}{2}\cdot 12=6\:\mathrm{cm^2}$

The other triangle is a bit trickier. Triangle $\triangle ADC$ is an isosceles triangles with sides 5, 5, and 4. To find its area, we can use Heron's Formula, given by: