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pentagon [3]
3 years ago
7

Which of the following best describes the ordered pairs listed below?

Mathematics
1 answer:
AURORKA [14]3 years ago
5 0

The answer is B.)

This is because Since there is one value of y

for every value of x in  (-1,-3),(3,-7),(7,-11),(9,-13) , this <u>relation</u> is a <u>function</u>.

IF YOU LIKE MY ANSWER PLS GIVE ME BRAINLIEST!!

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nika2105 [10]
W=-15 I hope this helped.
6 0
3 years ago
PRACTICE ANOTHER A piece of wire 18 m long is cut into two pieces. One piece is bent into a square and the other is bent into an
sergejj [24]

Answer:

Step-by-step explanation:

We have the equations

4x + 3y = 18   where x = the side of the square and y = the side of the triangle

For the areas:

A = x^2 + √3y/2* y/2

A = x^2  + √3y^2/4

From the first equation x = (18 - 3y)/4

So substituting in the area equation:

A = [ (18 - 3y)/4]^2 + √3y^2/4

A = (18 - 3y)^2 / 16 + √3y^2/4

Now for maximum / minimum area the derivative = 0 so we have

A' = 1/16 * 2(18 - 3y) * -3 + 1/4 * 2√3 y = 0

-3/8 (18 - 3y) + √3 y /2 = 0

-27/4 + 9y/8 + √3y /2 = 0

-54 + 9y + 4√3y = 0

y = 54 / 15.93

= 3.39 metres

So x = (18-3(3.39) / 4 = 1.96.

This is a minimum value for x.

So the total length of wire the square  for minimum  total area is 4 * 1.96

= 7.84 m

There is no maximum area as the equation for the total area is a quadratic with a positive leading coefficient.

3 0
3 years ago
Please help me ASAP only answer if you’re absolutely sure and/or you took the benchmark
ICE Princess25 [194]

Answer: the answer is a

Step-by-step explanation:

8 0
3 years ago
Find the value of a and b when x=12
garri49 [273]
A= 360
B= 2(12)²(7)/120= 2016/120=16.8
5 0
3 years ago
Read 2 more answers
What is the range and domain
mr_godi [17]

Answer:

domain is 0 to infinity and range is 5 to infinity

Step-by-step explanation:

x is domain and y is range

3 0
3 years ago
Read 2 more answers
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