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3 years ago

Convert the following equation from point slope form to standard form y=2/5(x-10)-3

Mathematics

1 answer:

Westkost [7]3 years ago

6 0

I Hope This Helps You

y=2x-20/5-3

y+3=2x-20/5

5(y+3)=2x-20

5y+15=2x-20

2x-5y-35=0

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from the top of a barn 25 feet tall, you see a cat on the ground. The angle of depression to the cat is 40°. How many feet must

Tanya [424]

Answer:

21 feet (20.977)

Step-by-step explanation:

1. Draw a picture, it makes it much easier. Draw a right triangle with the vertical labeled 25 and the horizontal labeled X, then label the angle adjacent to the horizontal and hypotenuse 40°

2. Use tangent because X is opposite of 40 and 25 is adjacent to angle 40. the equation would be Tan40/1 = X/25

3. You then cross multiply to get 25Tan(40) = X

4 You then plug it into a calculator and get the full answer of 20.97749078, but I always round up to either 20.98 or 21 feet, whatever your teacher allows

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3 years ago

Please help ASAP Thank you

taurus [48]

Answer:

3.0 x 10^1

Step-by-step explanation:

Step 1) 4,500,000,000 / 149,600,000 = about 30

Step 2) 3.0 x 10^1 = 30

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3 years ago

Paula collected 75 stickers she shares her stickers with her 5 friend equally. How many stickers will each friend get your an ar

sweet [91]

Each friend with get 15 stickers in total

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4 years ago

Suppose there exists a Hamming code of length 14 that corrects 2 errors. Assuming that the probability of a correct transmission

Mrac [35]

Answer:

0.8432

Step-by-step explanation:

The probability of a correct transmission of individual character = 0.9

Let's consider the three possible scenarios:

1) Probability of all 14 characters transmitted correctly = 0.9^14 = 0.2287

2)Probability of only one character being wrong: (0.9 ^ 13) * 0.1

This equals 0.02541 To account for the order at which the incorrect character is produced, lets consider the permutation: $\frac{14!}{13!*1!}$

This accounts for same objects or results being repeated, and is an integral part of permutation questions. The result is 14. Thus there are 14 ways for the probability of 0.02541 to occur. That means a total of 0.02541 * 14 probability. This equals 0.3559

3) Probability of both characters being wrong:

Similar steps to (2). Probability = (0.9^12) * (0.1 ^ 2) =0.002824

Number of ways this could occur: $\frac{14!}{12!*2!}$ = 91

Total probability for this event: 0.002842 * 91 = 0.2586

The answer to our question is thus all these probabilities combined, which makes: 0.2287 + 0.3559 + 0.2586 = <u>0.8432</u>

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3 years ago

I am a number less than 100. Two of my factors are three and five. My digits are one apart. What number am I?

madam [21]

factors 3 & 5

3*5 = 15

15, 30, 45, 60, 75, 90 are all the possible choices

so the answer would be 45 since the numbers are only 1 apart

7 0

3 years ago