3 years ago

What is the slope of a line that is perpendicular to the line?

1 answer:

6 0

The slope is 4.

To find the perpendicular slope, you use the negative reciprocal of the slope you already have. Since the original slope is -1/4, you flip -1/4 to get -4. You then find the negative of -4 to get 4

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If m = 5 and n = -2, evaluate 3m - 4n and n2 - m and find the product of the two expressions.

ddd [48]

Hence the correct answer is C) -23

Further explanation:

We have to put the values of m and n into both expression first separately and then multiply the answers.

Given expressions are:

$Exp\ 1:3m-4n\\Exp\ 2: n^2-m$

The values are:

$m=5\\n=-2$

Putting the values in expression 1:

$3m-4n\\=3(5)-4(-2)\\=15+8\\=23$

Putting the values of m and n in second expression

$n^2-m\\=(-2)^2-5\\=4-5\\=-1$

Multiplying both expressions:

$(3m-4n)(n^2-m)=23* (-1)=-23$

Hence the correct answer is C) -23

Keywords: Polynomials, Putting values in expressions

Learn more about polynomials at:

#LearnwithBrainly

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3 years ago

The height of a man is 1.7 meters.what is his height in centimeters

xxTIMURxx [149]

$m-meters\\cm-centimeters\\\\1m=100cm\\------------\\therefore\\\\1.7m=(1.7\cdot100cm)=\boxed{\boxed{170cm}}$

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3 years ago

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Which point is an x-intercept of the quadratic function<br> f(x) = (x + 6)(x – 3)?

Scilla [17]

Set each factor equal to zero and solve.
x + 6 = 0 x - 3 = 0
x = - 6 x = 3

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3. 28 – 18/ 2 * 3<br><br> / = divide <br> * = multiply

Gnoma [55]

Answer:I think it's -23.72

Step-by-step explanation:Step 1: Reduce the fraction

Step 2: Multiply

Step 3: Calculate

step 4: solution

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Roughly 84 square in

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