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3 years ago

What is the slope of y=-x+7

Mathematics

2 answers:

marissa [1.9K]3 years ago

6 0

The slope of the equation y = -x + 7 equals -1.

Olenka [21]3 years ago

3 0

Answer:

-1

Step-by-step explanation:

This is the slope because x is the slope, and if there is no number in front of x then x is 1. There is also a negative in front of x which means the answer is -1.

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Solve the equation 5x=3x^2+1

Arte-miy333 [17]

Answer:

-1

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

5x=6x+1

Step 2: Subtract 6x from both sides.

5x−6x=6x+1−6x

−x=1

Step 3: Divide both sides by -1.

−x

/-1=1/-1

x=-1

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4 years ago

Which of the following is not a common unit of measurement for the customary system

Nuetrik [128]

Volume and Capacity or Mass

7 0

3 years ago

ANSWER THIS PLSSSS ASAPPPPP

3241004551 [841]

Answer:

3rd choice (1, -6)

Step-by-step explanation:

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4 years ago

Use logarithmic differentiation to find the derivative of the function. y = x2cos x Part 1 of 4 Using properties of logarithms,

Arisa [49]

ANSWER

${y}^{'} = 2x \cos(x) - {x}^{2} \sin(x)$

EXPLANATION

The given function is

$y = {x}^{2} \cos(x)$

We take natural log of both sides;

$ln(y) = ln({x}^{2} \cos(x) )$

Recall and use the product rule of logarithms.

$ln(AB) = ln(A ) + ln(B)$

This implies that:

$ln(y) = ln({x}^{2} ) + ln( \cos(x) )$

$ln(y) = 2 ln({x} ) + ln( \cos(x) )$

We now differentiate implicitly to obtain;

$\frac{ {y}^{'} }{y} = \frac{2}{x} - \frac{ \sin(x) }{ \cos(x) }$

Multiply through by y,

${y}^{'} = y( \frac{2}{x} - \frac{ \sin(x) }{ \cos(x) ) })$

Substitute y=x²cosx to obtain;

${y}^{'} = {x}^{2} \cos(x) ( \frac{2}{x} - \frac{ \sin(x) }{ \cos(x) ) } )$

Expand:

${y}^{'} = 2x \cos(x) - {x}^{2} \sin(x)$

7 0

4 years ago

PLZ ANSWER THIS<br> THERE IS A SCREENSHOT

allsm [11]

Answer:

$-3,-2.4,-2 \frac{1}{4}-1.5,-1 \frac{1}{8}$

This means that the answer is the second option.

Step-by-step explanation:

First, lets convert everything to its decimal form.

$-2 \frac{1}{4} =-2.25$

$-1 \frac{1}{8} =-1.125$

Now we have the numbers: $-2.4,-1.5,-2.25,-3, -1.125$

As all of these numbers are negative we could look at each of these numbers as if they were positive and put them in descending order

This means that the order would be

$-3,-2.4,-2.25,-2.5,-1.125$

The last thing we need to do is change those two decimals back to their mixed number forms

$-3,-2.4,-2 \frac{1}{4}-1.5,-1 \frac{1}{8}$

8 0

4 years ago

Read 2 more answers