To solve that we first need to write it as an equation where x is the number:
85 + x^2 = (x-17)^2
85 + x^2 = x^2 - 34x + 289
Now organize the equation by gathering like terms in the same side lf the equation:
You can shift 85 to the other side by subtracting 85 from both sides of the equation:
85 - 85 + x^2 =x^2 34x +289 - 85
x^2 =x^2 + 34x +204
And shift x^2 to the other side by subtracting x^2 from both sides:
x^2 - x^2 =x^2 -x^2 + 34x +204
0 = 34x + 204
Shift 34x to the other side by subtracting 34x from sides
-34x = 34x - 34x + 204
-34x = 204
And now isolate x by dividing both sides of the equation by -34
-34/-34x = 204/-34
x = -6
Thats your awnser , the number is -6
I hope you understood my brief explanation...
Answer:
A
B
C
A year has (4 × 12) weeks
= 48 weeks.
In 1 week = 9,568,000 movies
48 weeks = (48 × 9,568,000) movies
Average movies = 459.264 movies
D
<em>Since</em><em> </em><em>9</em><em>.</em><em>5</em><em>6</em><em>8</em><em> </em><em>million</em><em> </em><em>movies</em><em> </em><em>are</em><em> </em><em>rented</em><em>.</em>
<em>How</em><em> </em><em>about</em><em> </em><em>in</em><em> </em><em>one</em><em> </em><em>year</em><em> </em><em>(</em><em> </em><em>4</em><em>8</em><em> </em><em>weeks</em><em> </em><em>)</em>
<em>Convert</em><em> </em><em>1</em><em> </em><em>year</em><em> </em><em>to</em><em> </em><em>weeks</em><em> </em><em>and</em><em> </em><em>compare</em><em> </em><em>with</em><em> </em><em>1</em><em> </em><em>week</em>
First, let's write two expressions, letting x= the number of months which have elapsed:
Bill: 120 + 10x
Phil: 150 + 4x
If we set them equal to each other, then solve for x, that will be the number of months where their weights equal each other:
120+10x = 150 + 4x [starting equation]
-120 -4x -120 -4x [ subtract 120 from both sides, and 4x from both sides, to isolate the term with the variable]
<u>6x</u> = <u>30</u> [divide both sides by 5]
5 5
x=6. They will weigh the same in six months.
Answer:
36
Step-by-step explanation:
If x = 2 and y = -3...
xy^2=
(2)(-3)^2 =
-6^2 =
36
XY times 2=
(-6)(2) =
-12
The answer would be: 3hours 8mins 10 sec
