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Elden [556K]
2 years ago
10

What is the scale factor of the dilation of line segment BA?

Mathematics
2 answers:
Shtirlitz [24]2 years ago
5 0

we know that

If

the two triangles, ABC and A'B'C are similar


then


CB/CB' = CA/CA' = BA/B'A'


CA/CA'= \frac{4}{20}


CA/CA'= \frac{1}{5}


BA/B'A'= \frac{1}{5}


B'A' = 5BA


therefore


the answer is the /option D)

5

USPshnik [31]2 years ago
4 0
The two triangles,  ABC, A'B'C are similar

so

CB/CB' = CA/CA' = BA/B'A'

BA/B'A' = 4/20

BA = 1/5 B'A'

BA = D.F B'A'  (DF is dilation factor)

DF = 1/5


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Need some help with this question!
Veronika [31]
1. solve for x in first to just find nterms of y

x=12-y
sub that for x in other one
first divide that one by 2 to make it easier
2x-y=18
2(12-y)-y=18
24-2y-y=18
24-3y=18
minus 24 both sides
-3y=-6
divide -3
y=2

D is answer




2.
find intersection of x+y=5 and -2x+3y=6
or easiers, just test the intersections
wait, they all intersect in the same place
this is super easy
pick ANY point that is in that reigon and see if it is true

A, if we pick lets say (5,5)
that is false for x+y<5
not A

B
pick (10,0)
false for first one
not B

C
pick (0,0)
true for first
false for 2nd
not C


D. pick (-10,0)
true for first
true for 2nd


answer is D


answer is D for both questions
6 0
3 years ago
How do you find the pattern of 0,2,6,12,20???
professor190 [17]
0x1=0
1x2=2
2x3=6
3x4=12
4x5=20
3 0
3 years ago
What’s the equation of a slope of 5/7 and a y-intercept of -3
Drupady [299]

Answer:

Step-by-step explanation:

in y = mx + b form, the slope is in the m position and the y intercept is in the b position.

y = mx + b

slope(m) = 5/7

y int (b) = -3

y = 5/7x - 3 <===

8 0
3 years ago
Find the gradient of the line segment between the points (-4,1) and (2,4). Give your answer in its simplest form.
andrew-mc [135]

Answer:

<h2>\frac{1}{2}</h2>

Solution,

Let the points be A and B

A(-4 , 1)------>( X1, y1)

B(2,4)---------->( x2, y2)

Now,

Gradient:

\frac{y2 - y1}{x2 - x1}

\frac{4 - 1}{2 - ( - 4)}

\frac{3}{2 + 4}

\frac{3}{6}

\frac{1}{2}

Hope this helps...

Good luck on your assignment...

3 0
2 years ago
Read 2 more answers
For any integers x and y, min(x, y) and max(x, y) denote the minimum and the maximum of x and y, respectively. For example, min(
Annette [7]

Answer:

min(10,w)=\left \{ {{w} \quad\text{for } w

Step-by-step explanation:

No value of w is given, so we can only tell you the meaning of <em>min(10, w)</em>:

When w < 10, min(10, w) is w.

When w ≥ 10, 10 is the smaller of the two values, so min(10, w) = 10.

3 0
3 years ago
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