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yarga [219]
3 years ago
14

Find the surface area of the prism HURRY HURRY

Mathematics
1 answer:
Assoli18 [71]3 years ago
4 0

Answer:

should be 192

Step-by-step explanation:

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If 57 is added to a number, it will be 4 times as large as it was originally. Find the number.
Sonja [21]

Answer:

19

Step-by-step explanation:

X will refer to the number.

X+57( the number added to the original.)=4x. (x time 4)

X+57=4x.

Subtract x from both sides to get the variable on one side.

(X+57)-x =(4x)-x

57=3x. You would then divide by 3 on both sides to again get integer isolated.

57/3=3/3x.

57/3=19. 3/3=1.

19=x.

6 0
3 years ago
What is 37 and 1/2 simplified?
yarga [219]
37 and 1/2 could mean:
37+ (1/2)
37 times 1/2



37+1/2=37 and 1/2 or 37.5

37 times 1/2=37/2=18 and 1/2=18.5
3 0
3 years ago
If a person walks 2.4 miles in 1.5 hours, how far can he walk in 3 hours
rusak2 [61]
 since 1.5 is half of 3.0 all  ouj havr t o do is multiply by 2 2.4*2=4.8 answer
7 0
3 years ago
A man walks due east for 4km, he then changes direction and walks on a bearing on a bearing of 197° until he is south west of hi
Fed [463]

Answer:

13.08 ≈ y

Step-by-step explanation:

7 0
3 years ago
Light in vacuum is incident on the surface of a slab of transparent material. In the vacuum the beam makes an angle of 43.8° wit
REY [17]

Answer:

Index of refraction of transparent is 1.48

Step-by-step explanation:

Snell's law states that;

n1(sinθ1) = n2(sinθ2)

Where;

n1 and n2 represent the indices of refraction for the two media, and θ1 and θ2 are the angles of incidence and refraction that the ray R makes with the normal.

In this question;

n1 = 1;

θ1 = 43.8°

θ2 = 19.3°

n2 is unknown.

Thus using Snell's law, we have;

1 x sin 43.8 = n2 x sin 19.3

n2 = (sin 43.8)/sin 19.3

n2 = 1.48

4 0
3 years ago
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