All categories

3 years ago

Why would "-7" in the expression (x^2+3)-(x-7) become positive?

2 answers:

5 0

You would use the distributive property with the negative. So the second x becomes negative, but since the 7 is already negative it becomes positive. Think of it as if you put the two dashes together you can make a plus sign.

Ilia_Sergeevich [38]3 years ago

3 0

Answer:

x is the variable that's representing a number so -7 would not become posting

Please help me with with this science question

How does potassium dihydrogen phosphate affect soil, water, and air?

You might be interested in

Vicky jogged 2 miles in 2 hour. What was her average rate of speed in miles per hour?

Tatiana [17]

Answer:

Step-by-step explanation:

because i have done this problem before that is the answer

3 0

3 years ago

Read 2 more answers

<img src="https://tex.z-dn.net/?f=8x%20-%206%20%2B%2011x%20%2B%202%20%2B%203x%20-%205" id="TexFormula1" title="8x - 6 + 11x + 2

ollegr [7]

$8x - 6 + 2 + 3x - 5$
Combine like terms
$11x - 9$
This is the answer

6 0

3 years ago

What is the slope of the line?

bazaltina [42]

Answer:

Step-by-step explanation:

Two ordered pairs that can be seen are (0,1) and (1,2)

Using delta y/ delta x,

(2-1)/(1-0) = slope

slope = 1/1

slope = 1

6 0

3 years ago

Read 2 more answers

Select the correct answer from each drop-down menu. Javier purchased a digital camera for $384. The value of the camera deprecia

Eva8 [605]

Answer:

it will take 3 yrs for the value of camera to reach $162.

Step-by-step explanation:

Pd = P(1-R/100)^T

162 = 384(1-25/100)^T

162/384 = (3/4)^T

27/64 = (3/4)^T

(3/4)^3 = (3/4)^T

T = 3

3 0

3 years ago

Tyler walked 6 miles in 3 hours. What was his walking rate in miles per hour

BARSIC [14]

Answer:

This comes out to 2 mph.

Step-by-step explanation:

Reduce the following fraction:

6 miles

---------------

3 hours

This comes out to 2 mph.

8 0

3 years ago