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IRISSAK [1]
2 years ago
8

In the triangle XYZ, the measure of angle X is 68 , XY= 2.5

Mathematics
1 answer:
Yuliya22 [10]2 years ago
6 0

Answer: Answer:Correct option is C.)  X, V, and Y are collinear points.Step-by-step explanation:Given ΔXYZ with sides YZ and YX intersected by line VW. we have to tell Which fact is not used to prove that XYZ is similar to VYW.As we know the similarity rules, to prove the two triangles similar we need to prove angles or sides congruent or in proportion.Option 1: The reflexive property showing an angle is congruent to itself helps to prove triangle congruentOption 2: The Corresponding Angles Postulate helps to prove angles are congruent.Option 3: A transversal can help prove angle congruence.From all the given options, all the three options A,B and D are related to angles congruence, only the option 3 that is  X, V, and Y are collinear points is the option which does not give any result with the help of that we can prove the angles or sides congruent or we can say triangles congruent.Hence, the correct option is C.

Step-by-step explanation:

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If 3 to the power y = x then y = ?
Oksanka [162]

Answer:

y=\log_3(x)


Step-by-step explanation:

3^y=x

\ln(3^y)=\ln(x)

y\ln(3)=\ln(x)

y=\frac{\displaystyle\ln(x)}{\displaystyle\ln(3)}

but if

f(x)=\frac{\displaystyle\ln(x)}{\displaystyle\ln(3)}

then since

f(3)=\frac{\displaystyle\ln(3)}{\displaystyle\ln(3)}=1

f(x)=\log_3(x)

so

y=\log_3(x)


or


3^y=x

\log_3(3^y)=\log_3(x)

y\log_3(3)=\log_3(x)

\text{but }\,\log_3(3)=1, \text{so,}

y=\log_3(x)



6 0
2 years ago
Find the coordinates of P ' if D o, 2.4 (x,y) is applied to the triangle below
guajiro [1.7K]

Answer:

The coordinates of P' are (4.8,-4.8).

Step-by-step explanation:

The rule of dilation D_{o,2.4}(x,y) represent the dilation with scale factor 2.4 and center at origin.

If the scale factor of the dilation is k and the center is (0,0), then

(x,y)\rightarrow (kx,ky)

Since the scale factor is 2.4, therefore

(x,y)\rightarrow (2.4x,2.4y)

From the given figure it is noticed that the coordinates of P are (2,-2). The coordinates of P' are

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Therefore the coordinates of P' are (4.8,-4.8).

3 0
3 years ago
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Answer:

y=3x-5

Step-by-step explanation:

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8 0
3 years ago
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Vikentia [17]

Answer:

2.75

Step-by-step explanation:

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3 0
3 years ago
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scZoUnD [109]

Answer:

Step-by-step explanation:

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