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Rashid [163]
3 years ago
14

Evaluate the expression x ÷ y for x = 8 and y = 16.

Mathematics
2 answers:
daser333 [38]3 years ago
7 0

Answer:

Step-by-step explanation:

hello :

x ÷ y for x = 8 and y = 16 means : 8/16 = 8/(2×8) = 1/2

expeople1 [14]3 years ago
3 0

Answer:

C. 1/2

Step-by-step explanation:

its 1/2 because x÷ y equals 1/2 when x=8 and y= 16 to evaluate subsititute 8 for x and 16 for y

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Answer:

for y,   y = x + z

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3 years ago
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Brian is fencing a rectangular area in the backyard for his dog. He has 25 ft of fence. He does not need fencing on the side tha
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25-9=16
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3 years ago
A laser travels from glass to water at an angle of 35° with the normal, Θ1. If water has an index of refraction of 1.33 and glas
umka2103 [35]
When light moves from one medium to another, it is refracted. If it moves from a medium with refractive index n1 to one with refractive index n2, with an incidence angle to the surface normal of θ1, the refraction angle θ2 can be calculated from Snell's law.

The Snell's law states that the ratio of the sines of the angles of incidence and refraction of a wave (in this case beam/light) are constant when it passes between two given media.

n_1\sin\theta_1=n_2\sin\theta_2

Given that a <span>laser travels from glass to water at an angle of 35° with the normal, </span>\theta_1<span>. If water has an index of refraction of 1.33 and glass has an index of refraction of 1.52, then we have:

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7 0
3 years ago
Shannon and Kelly spent $135 on gift certificates for their friends during the holidays. If this amount is 5/7 their total spend
Katena32 [7]

Answer:

$189

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Let their total amount of spending money be x

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mathematically:

135 = (5/7) x     (multiply both sides by 7)

135 (7) = 5x

945 = 5x

5x = 945  (divide both sides by 5)

x = 945 / 5

x = 189

4 0
3 years ago
What what is the mean of the cars
tatuchka [14]
Mean is the average. to find mean, you add all the numbers and divide it by how many numbers there are.

68 + 75 + 85 + 80 + 75 + 82 = 465

There are 6 numbers. That means you have to divide 465 by 6 to get the mean.

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465 / 6 = 77.5

The answer is D. 77.5

Hope this helped☺☺

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3 years ago
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