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tatiyna
4 years ago
7

Is the answer infinite, zero, or indefinite 2x - 1 = 1 - 2x

Mathematics
1 answer:
RUDIKE [14]4 years ago
8 0

Answer: 1/2 indefinite

Step-by-step explanation:

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What is the length of CD in this diagram, ABC - EDC,
natima [27]

Answer:

<h2>4</h2>

Option A is the right option.

solution,

∆ABC~∆EDC

\frac{bc}{cd}  =  \frac{ac}{ec}  \\  \:

putting the values,

\frac{20 - x}{x}  =  \frac{20}{5}  \\  or \: 5(20 - x) = 20x(cross \: multiplication) \\ or \: 100 - 5x = 20x \\ or \:  - 5x - 20x =  - 100 \\ or \:  \:  - 25x =  - 100 \\  \: or \: x =  \frac{ - 100}{ - 25}  \\ x = 4

Hope this helps..

Good luck on your assignment..

8 0
3 years ago
Read 2 more answers
Find the values of x and y. Write your answers in simplest form
SCORPION-xisa [38]

Answer:

x =6

y=6\cdot \sqrt{2}

Step-by-step explanation:

<u>Trigonometric Ratios </u>

The ratios of the sides of a right triangle are called trigonometric ratios. There are six trigonometric ratios: sine, cosine, tangent, cosecant, secant, and cotangent.

The longest side of the right triangle is called the hypotenuse and the other two sides are the legs.

Choosing any of the acute angles as a reference, it has an adjacent side and an opposite side. The trigonometric ratios are defined upon those sides.

The image shows a right triangle where the angle of 45° has x as the opposite leg, 6 as the adjacent leg, and y as the hypotenuse. The trigonometric ratio that applies here is the cosine ratio, defined as:

\displaystyle \cos\theta=\frac{\text{adjacent leg}}{\text{hypotenuse}}

\displaystyle \cos 45^\circ=\frac{6}{y}

Solving for y:

\displaystyle y=\frac{6}{\cos 45^\circ}

\cos 45^\circ=\frac{\sqrt{2}}{2}=\frac{1}{\sqrt{2}}

Substituting:

\displaystyle y=\frac{6}{\frac{1}{\sqrt{2}}}

y=6\cdot \sqrt{2}

Now use the tangent ratio:

\displaystyle \tan\theta=\frac{\text{opposite leg}}{\text{adjacent leg}}

\displaystyle \tan 45^\circ=\frac{x}{6}

Solving for x:

x=6\cdot\tan 45^\circ

\tan 45^\circ=1

Substituting:

x=6\cdot 1

x =6

Answer:

x =6

y=6\cdot \sqrt{2}

6 0
3 years ago
Find the value of sin H rounded to the nearest hundredth, if necessary
Soloha48 [4]

Answer:

7/25 or .28

Step-by-step explanation:

sin=opp/hyp

7/25

8 0
3 years ago
Please help. thank u​
sineoko [7]

Answer:

i)vertical

ii)horizontal

iii)oblique

Step-by-step explanation:

When an equation is just x=a number, it is a horizontal line.

When the equation is just y=a number, it is a vertical line.

If the equation is the full y=mx+b, it is oblique.

2x=5

x=2.5

vertical

y+2=-1

y=-3

horizontal

x+y=3

y=-x+3

oblique

:) ur welcome

3 0
3 years ago
Find the “x” in simplest form
kirill115 [55]

Answer:

x = -7/5  + 1/5  √22

Step-by-step explanation:

Hope this Helps!!

6 0
3 years ago
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