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riadik2000 [5.3K]
3 years ago
11

Find the scale factor of the similar shapes below.

Mathematics
1 answer:
timofeeve [1]3 years ago
5 0

Answer:

x=12 and the scale factor is 1.5

Step-by-step explanation:

From D' to F' is 7.5 and from D to F is 5cm the difference is 2.5. From F' to E' is x and from F to E is 8. This is just understanding what you can see. You find x by figuring out the ratio from 5 to 7.5 is and 8 to x or vise versa.  It depends which way you are going. I think you are going from E,D,F to E',D',F'. So from 5cm to 7.5 cm. This is 1.5 because you are dividing 7.5/5. If you needed to find x, it would be 12.

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Helpp,
Sergeeva-Olga [200]

Answer:

5/6

Step-by-step explanation:

1/3 + 1/2

Must have matching denominators

 1           1

----- +  -------

 3 (2)    2(3)

Whatever is done to the bottom (denominator) must be done to the top (numerator)

1(2)      1(3)

----- +  -------

 3 (2)    2(3)

2          3            5

----- +  -------  =  --------

 6         6             6

Can I name Justin's sum as a single fraction: Yes

Would it be correct to name it 2/3: No. The fraction is equal to 5/6

I hope this helps!

4 0
2 years ago
A segment has an endpoint at (1,−2). The midpoint is at (−4,−2). What are the coordinates of the other endpoint?
Ostrovityanka [42]

An easy way to find an endpoint when the midpoint is given is to simply count the distance from the given endpoint to the midpoint, and go that distance from the midpoint in the opposite direction of the other endpoint. Using your problem as an example:

The y value doesn't change, so we only need to worry about x.

From 1 to -4, you go left 5 (-4 - 1 = -5). So, do that again, and you get -9.

Therefore, the coordinates of the other endpoint are (-9, -2), or B.

<em>Hope this helps! :)</em>

6 0
3 years ago
4y = 12x - 4<br><br>please show work
xxTIMURxx [149]
Hey!~

The simplified version of this equation in slope-intercept form would be y=3x-1.
"M" is commonly used for the slope.
"B" is used for the x-intercept.

In this equation, 3 is the slope (m), and -1 is the x-intercept (b).

Hope this helps and have a great day!

-Lindsey

7 0
3 years ago
Зm — 5n = 11<br> what is this answer?
Ainat [17]
It’s -11/2 or M= -5.5
6 0
3 years ago
Read 2 more answers
Can someone please help me with this, I need to show work for it too.
Anastaziya [24]

Answer:

Step-by-step explanation:

Muy difícil pa

3 0
3 years ago
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