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Arturiano [62]
4 years ago
14

I’ve been trying to answer this question and it takes me forever. Can you guys help ,e with this one?

Mathematics
1 answer:
charle [14.2K]4 years ago
5 0

Answer: for the first one it is +1

for the second one it is +3

for the third one it is +7

for the 4th one it is +13

and for the fifth one it is +21

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A converging lens of focal length 5 cm is placed at a distance of 20
lesya [120]

The object should be placed 20/cm from the lens so as to form its real image on the screen

<h3>Mirror equation</h3>

The mirror equation is given according to the expression below;

1/f = 1/u + 1/v

where

f is the focal length

u is the object distance

v is the image distance

Given the following parameters

f = 5cm

v = 20cm

Required

object distance u

Substitute

1/5 = 1/u +1/20

1/u = 1/5-1/20
1/u = 3/20

u = 20/3 cm

Hence the object should be placed 20/cm from the lens so as to form its real image on the screen

Learn more on mirror equation here; brainly.com/question/27924393

#SPJ1

4 0
2 years ago
1. The triangle ABC and its image are shown below. a. Sketch a possible line that triangle ABC could translate along to create i
liq [111]

Given that:

The triangle ABC and its image are shown below.

Step-by-step explanation:

In the below figure triangle A'B'C' is the image of triangle ABC.

We need to sketch a possible line that triangle ABC could translate along to create its image.

So, connect the corresponding vertices. So, the required lines are AA', BB' and CC '.

In translation, each point of the figure is shifted from point to another point in  a particular distance and direction.

Point A, B and C are shifted to A' B' and C' respectively. So AA', BB' and CC' represents the distance and direction of translation.

From the figure it is clear that triangle ABC shifted 10 units right and 6 units down.

8 0
3 years ago
Simplify 3 square root of 10 end root plus 7 square root of 15 end root minus 6 square root of 10 end root minus 4 square root o
OLga [1]

Answer:

Letter B.

Step-by-step explanation:

.....................................

6 0
3 years ago
Help! Fast!! 3/8x5/6
Goshia [24]
Just multiply across:

3 x 5 = 15

8 x 6 = 48

15/48 = 5/16

hope this helps :)

6 0
3 years ago
Read 2 more answers
HELPPPP!!!! PLZ HURRY AND SHOW UR WORK!!!!
mars1129 [50]
The scale factor is 0.75 or 3/4
TR/EZ=9/12=3/4
8 0
3 years ago
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