2.5E-2 or 2.5x10^-2
Hope this can help you!
Answer:
Equation: 2x + 1 = 9x - 13
There are two chairs in each row.
Step-by-step explanation:
Looking at the problem, we see that Hue can form two rows of chairs with 1 left over, or 9 rows if she gets 13 more. With that information we can create the equation 2x + 1 = 9x - 13. Now let's solve for x.
2x + 1 = 9x - 13
<em>What we can do first is subtract 9x from both sides. This is done so all of the variables are on one side. Thus that becomes...</em>
2x + 1 - 9x = -13
<em>Now, combine -9x and 2x to get -7x.</em>
-7x + 1 = -13
<em>Now subtract 1 from both sides. This is done so we solve for x directly.</em>
-7x = -13 - 1
<em>Subtract -1 from -13 to get -14.</em>
-7x = -14
<em>Now divide both sides by -7.</em>
x = -14/-7
<em>Divide -14 by -7 to get 2. Remember, dividing two negatives gives you a positive!</em>
x = 2
With that, the equation is solved. There are 2 chairs in each row.
<span>To find the simplest form of a fraction, you have to find the greatest common factor (GCF). To do so, list out the factors of the numerator (28) and the denominator (35) and find the biggest common number between the two numbers.
</span>
Factors of 28: 1, 2, 4, 7, 14, 28
<span>Factors of 35: 1, 5, 7, 35
</span>
Out of those factors, we can see that 1 and 7 are the common factors, but 7 is the greatest which makes it our GCF.
<span>Now we can divide the numerator and the denominator by the GCF to receive our simplest form.
</span>
28 ÷ 7 = 4
35 ÷ 7 = 5
<span>Rewrite the fraction with the new numerator (4) and the new denominator (5).
</span>
The simplest form is: 4/5 or 0.8.
You didn't list the options
btw
the next step should be
(add 4 to both sides)
2y = 16
or
2y - 4 + 4 = 12 + 4
Do 4.25x4 and if it equals 17 he is correct, otherwise he is incorrect
