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3 years ago

10

Which two segments are congruent? Please help me, I suck at math!

1 answer:

lord [1]3 years ago

8 0

Answer:

lines ab and ef

Step-by-step explanation:

they are the same length, this what congruent means

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Triangle ABC with vertices A(2, 4) , B(4, 0) , and C(6, 6) is dilated about the origin to be triangle A′B′C′ .

natka813 [3]

Answer:

Triangle ABC is dilated by a scale factor of 1.5

Step-by-step explanation:

The general rule for the dilation about the origin with a factor of k is

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

You are given two triangles ABC and A'B'C'.

In triangle ABC:

A(2,4)
B(4,0)
C(6,6)

From the diagram, in triangle A'B'C':

A'(3,6)
B'(6,0)
C'(9,9)

As you can see

$A(2,4)\rightarrow A'\left(\dfrac{3}{2}\cdot 2,\ \dfrac{3}{2}\cdot 4\right)=A'(3,6)$
$B(4,0)\rightarrow B'\left(\dfrac{3}{2}\cdot 4,\ \dfrac{3}{2}\cdot 0\right)=B'(6,0)$
$C(6,6)\rightarrow C'\left(\dfrac{3}{2}\cdot 6,\ \dfrac{3}{2}\cdot 6\right)=C'(9,9)$

So, triangle ABC is dilated by a scale factor of $\dfrac{3}{2}=1.5$

8 0

3 years ago

Read 2 more answers

Given the formula for the perimeter of a rectangle where I represents the length and w represents the width 2(l+w)

s344n2d4d5 [400]

2 represents area Becuase of the area formula

8 0

2 years ago

(d) If the perimeter of a rectangle is 32, then the length is 13 and the width is 3.

Stells [14]

Answer:

length = 10
width = 6

Step-by-step explanation:

Any pair of dimensions that total 16 will give a rectangle with a perimeter of 32.

P = 2(L +W)

32 = 2(L +W)

16 = L +W . . . . . . . divide by 2

__

This is true for L = 13 and W = 3. It is also true for L = 10 and W = 6, or any other pair of dimensions x and (16-x).

8 0

2 years ago

0.4.x -0.1=0.7 -0.3(6-2x)

cupoosta [38]

Answer:

x=5

Step-by-step explanation:

4 0

3 years ago

PLS HELP I GIVE YOU 25 POINTS the elevation of the first rest stop is -10 feet the elevation of the second rest stop is -15 feet

DochEvi [55]

Answer:

jack was incorrect

Step-by-step explanation:

this is because -15 is more negatives then -10. (this is one way to look at it) the correct answer is: -10 > -15

4 0

3 years ago