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SVETLANKA909090 [29]
2 years ago
10

Is xy = 15 linear or non linear function

Mathematics
1 answer:
PIT_PIT [208]2 years ago
5 0
Hi love ! it would be linear.
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Sin(-x)= -cos x for all values of x. True or false
kogti [31]

Answer:

That's incorrect. The simplest way to show this is by evaluating the functions at a given point. Let's say x=0, then:

Sin(-x) = Sin(0) = 0

-cos x = -cos (0) = -1

Therefore, Sin(-x)≠-cos x.

5 0
3 years ago
Read 2 more answers
Quadratic equations Please Help Me!!!!!!
igor_vitrenko [27]

The roots are 1 +√7 and 1 -√7.

<h3>What is Quadratic equation?</h3>

A quadratic equation in the variable x is an equation of the form ax² + bx + c= 0, where a, b, c are real numbers, a≠0

Given equation:

y= x²+2x-6

First,

Half the coefficient of x and add and subtract the square of (b/2)

y= x²+2x-6+(1)²-(1)²

y= x²+2x+(1)² -6 -(1)²

y= (x+1)² -7

Now, equate y=0

(x+1)² -7 =0

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x+1= ±√7

x=1 ±√7

Hence, the roots are 1 +√7 and 1 -√7.

Learn more about quadratic equation here:

brainly.com/question/1962219

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7 0
1 year ago
The rent for an office space is $674.30 per month. The office is 306 1/2 square feet in area.What is the monthly cost per square
Rufina [12.5K]
The answer is B because 674.30 divided by 306.5 equals 2.2 or $2.20
3 0
3 years ago
Becky says that when she simplifies the following expression, the value is 6 less than her age. What is Becky's age? (7+11) - 8÷
Hitman42 [59]
(7+11) is 18, (8/2) is 4, 18-4 is 14! If this expression is 6 less than her age, she would be 20!
6 0
2 years ago
The above is a a a a a a a a a a a a a a a a a a a
Reptile [31]

X f πxf

-1 2 -2

3 1 3

-1 -2 2

0 -3 0

total =3

mean (π)=πxf ÷n

= 3÷4

= 0.75 these is not answer I thank so

3 0
3 years ago
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