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3 years ago

Lets see what ya'll got GEOMETRY

Mathematics

2 answers:

dusya [7]3 years ago

8 0

Answer:

answer is C

Step-by-step explanation:

C) labels all the sides

it's not A) because it's just angles

B) it's just angles angles and angles

D) it's Angle, Side, Angle

solniwko [45]3 years ago

7 0

To prove by SSS, you must have the ratio of all corresponding pair of sides equal

And ofc for that you need all the side lengths first.

Only C matches the condition

But we should check the ratio.

$\frac82, \ \frac{10}{2.5}, \ \frac{11}{2.75}$

Or $4=4=4$ thus they're similar

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HELPPPPPPPP In WXY, y=690 cm, w=440 cm and angle X=163°. Find angle W to the nearest degree

Ede4ka [16]

Answer:

The angle W is approximately 7°.

Step-by-step explanation:

Since angle X is adjacent to sides y and w and opposite to side x, we calculate the length of side x by Law of the Cosine:

$x = \sqrt{y^2+w^2-2\cdot y\cdot w \cdot \cos X}$ (1)

Where:

$y, z$ - Side lengths, in centimeters.

$W$ - Angle, in sexagesimal degrees.

If we know that $y = 690\,cm$ , $w = 440\,cm$ and $X = 163^{\circ}$ , then the length of the side x is:

$x = \sqrt{y^2+w^2-2\cdot y\cdot w \cdot \cos X}$

$x\approx 1118.199\,cm$

By Geometry we know that sum of internal angles in a triangle equals 180°. If X is an obtuse, then Y and W are both acute angles. By Law of the Sine we find angle W:

$\frac{x}{\sin X}= \frac{w}{\sin W}$ (2)

$\sin W = \left(\frac{w}{x} \right)\cdot \sin X$

$W = \sin^{-1}\left[\left(\frac{w}{x} \right)\cdot \sin X\right]$

If we know that $X = 163^{\circ}$ , $w = 440\,cm$ and $x\approx 1118.199\,cm$ , then the angle W is:

$W = \sin^{-1}\left[\left(\frac{w}{x} \right)\cdot \sin X\right]$

$W \approx 6.606^{\circ}$

Hence, the angle W is approximately 7°.

3 0

3 years ago

Which ratio is equivalent to 33:11? a: 11:3 b 24:8 c 3:22

abruzzese [7]

Answer:

b 24:8

Step-by-step explanation:

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3 years ago

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jeyben [28]

Answer:

c.) x-2

Step-by-step explanation:

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4 years ago

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Graph the equations to find the solution(s) to the system y=x+2 y=1/2(x+3)(x−5)

otez555 [7]

Find some coordinates

y=x+2

(0,2)
(-1,1)
(1,3)

y=1/2(x+3)(x-5)

(0,-15/2)
(1,-8)
(-1,-6)

Graph attached

Solutions are

(6,796,8.796)
(-2.796,-0.796)

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2 years ago

Find the y-intercept - 74 - 7y = -7%

harkovskaia [24]

Answer: -75

Step-by-step explanation:

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