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DerKrebs [107]
2 years ago
10

Function or not a function?

Mathematics
1 answer:
prisoha [69]2 years ago
3 0

Answer:

That is a function

Step-by-step explanation:

Because i did that before

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Points (3,1) and (1,4) lie on line k. What is the slope of the line that is perpendicular to k?
denis-greek [22]
First we need to find the slope of line k.  Using the slope formula, we fill in accordingly: m= \frac{4-1}{1-3}.  The slope is -3/2.  The slope of a line that is perpendicular to line k will have the opposite sign (so, positive) and will be the reciprocal of the line k's slope (so, 2/3).  You could also say, more "mathematically legal", that the product of the slopes of perpendicular lines is -1, but it's easier to just say that they are opposite reciprocals.  The slope you're looking for is 2/3.  Choice 3 above.
6 0
2 years ago
What is the length of the missing side
chubhunter [2.5K]

Answer:

a=8

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem

a^2 +b^2 = c^2 where a and b are the legs and c is the hypotenuse

a^2 +15^2 = 17^2

a^2 +225 = 289

Subtract 225 from each side

a^2 +225-225=289-225

a^2 = 64

Take the square root of each side

sqrt(a^2) = sqrt(64)

a = 8

6 0
3 years ago
Read 2 more answers
The ratio between the number of students (s) on a field trip and the number of teachers (t) on the field trip is 21/4. There are
RoseWind [281]

Answer:

Step-by-step explanation:

If there needs to be 4 teachers per 21 students, you would divide the total amount of students by 21 and multiply that answer by 4. SO...:

84 ÷ 21 = 4 groups of 21 students.

4 groups × 4 teachers = 16

*** Answer***

16 TEACHERS

5 0
3 years ago
Y is inversely proportional to x<br> when y=7 and x=9<br> work out the equation connecting y and x
yan [13]

Answer:

y = k/x

k = y.x = 7 x 9 = 63

Hence equation is

yx = 63

Step-by-step explanation:

https://brainly.in/question/7822716

5 0
3 years ago
Besties can any of you help me on this because i do not know how to solve this
s344n2d4d5 [400]
The answer is D hope this helps
8 0
3 years ago
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