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2 years ago

5

What is an equation of the line that passes through the point (−4,−6) and is perpendicular to the line 2x-y=6?

1 answer:

slega [8]2 years ago

8 0

Answer:

y= -1/2x-8 Please see the file for better detail!

Step-by-step explanation:

To find the slope of the perpendicular line you have to find the opposite reciprocal, which means flip the number and give a negative because the original slope is positive. Please see the image for better detail. Use point slope, slope intercept forms to find your answer.

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What is x? The degree of the angle of x

irga5000 [103]

Answer:

x = 60°

Step-by-step explanation:

All the angles in a triangle add up to 180°. So, you have this equation.

87° + 33° + x = 180°

120° + x = 180°

x = 60°

The measure of angle x is 60°.

Hope that helps.

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2 years ago

75 POINTS!!! PLEASE ANSWERl

denpristay [2]

Answer:

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Step-by-step explanation:

If the mean is 8 with a standard deviation of 1.5, the percentile rank of a shoe with at least a size of 9 is 66.6 repeating, or 67th if rounded.

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3 years ago

Read 2 more answers

Pls need help, will give brianlist

Firdavs [7]

Answer:

1) Your slope should be 1/5

2) Your slope should be $\frac{-3}{2}$

3) Your slope should be 1/2

I hope this helps! : )

5 0

2 years ago

F r e e p o i n t s b o o

Katyanochek1 [597]

Answer:

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Step-by-step explanation:

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2 years ago

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What are the restrictions for a? 2a^2+a-15/5a^2+16a+3

koban [17]

ANSWER

The restrictions are

$a\ne -3,a\ne -\frac{1}{5}$

EXPLANATION

We were given the rational function,

$\frac{2a^2+a-15}{5a^2+16a+3}$

The function is defined for all values of a, except

$5a^2+16a+3=0$

This has become a quadratic trinomial, so we need to split the middle term.

We do that by multiplying the coefficient of $x^2$ which is 5 by the constant term which is 3. This gives us 15.

The factors of 15 that adds up to 16 are 1 and 15.

We use these factors to split the middle term.

$5a^2+15a+a+3=0$

We now factor to get,

$5a(a+3)+1(a+3)=0$

We factor further to get,

$(a+3)(5a+1)=0$

This implies that,

$(a+3)=0,(5a+1)=0$

This gives

$a=-3,a=-\frac{1}{5}$

These are the restrictions.

8 0

3 years ago