2 years ago

Solve: 4 In x = 2 In 25

Mathematics

2 answers:

mylen [45]2 years ago

7 0

Convert to log and then divide but it’s 12.5

valkas [14]2 years ago

3 0

Answer: it’s 5 just took it on edge

Step-by-step explanation:

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2 years ago

What is the slope of the line that passing through (-2, 4) and the origin.

S_A_V [24]

Answer:

slope= -2

Step-by-step explanation:

using $\frac{y2-y1}{x2-x1}$ you plug in the values of (-2,4) and (0,0)

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= $\frac{-4}{2}$

= -2

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3 years ago

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Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 4 h, and Car B traveled the dista

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3 years ago

Simplify the expression (6

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The espression???.....

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3 years ago

I'M OFFERING 20 POINTS-

Dafna11 [192]

Answer:

Third option is correct. Scale factor 3 ; enlargement.

Step-by-step explanation:

It is given that the figure A'B'C'D' is a dilation of figure ABCD.

We know that after dilation the corresponding sides of image and preimage are in the same proportion.

The image of AD is A'D'.

From the figure it is noticed that the A(-1,2), D(-1,-1), A'(-3,6) and D'(-3,-3).

Distance formula is

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

$AD=\sqrt{(-1+1)^2+(-1-2)^2}=\sqrt{9}=3$

$A'D'=\sqrt{(-3+3)^2+(-3-6)^2}=\sqrt{81}=9$

Scale factor is constant which represents the relation between image and preimage.

$k=\frac{A'D'}{AD}$

$k=\frac{9}{3}$

$k=3$

Therefore the scale factor is 3.

If k>0 it means enlargement and if k<0 it means reduction. Therefore third option is correct.

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3 years ago

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