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Alex777 [14]
3 years ago
9

I NEED A ANSWER QUICK! Karin and Will are taking the same math class

Mathematics
2 answers:
lord [1]3 years ago
8 0

Answer: Will had more.

Step-by-step explanation: If you count it so Will got 5 wrong, it’ll change to a 90%, which is way more then Karins’s which is 87.5%, if you have more questions your percentage will go be higher.

Alisiya [41]3 years ago
5 0
Will's test had more questions
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Multiply 8 times the square root of 3 by 9 times the square root of 27.
Viktor [21]
8√3 · 9√27
8 · 9 ·√3 · √27
72 · √81
72 · 9
648

The answer is 648. :)
6 0
3 years ago
3x^2+6x-9=0 complete the square
PolarNik [594]
You could simplify this work by factoring "3" out of all four terms, as follows:

3(x^2 + 2x - 3) =3(0) = 0

Hold the 3 for later re-insertion.  Focus on "completing the square" of x^2 + 2x - 3.

1.  Take the coefficient (2) of x and halve it:  2 divided by 2 is 1
2.   Square this result:  1^2 = 1
3.   Add this result (1) to x^2 + 2x, holding the "-3" for later:
                    x^2 +2x 
4    Subtract (1) from x^2 + 2x + 1:     x^2 + 2x + 1               -3 -1  =    0, 
       or      x^2 + 2x + 1 - 4 = 0
5.   Simplify, remembering that x^2 + 2x + 1 is a perfect square:

                        (x+1)^2 - 4 = 0

We have "completed the square."  We can stop here.  or, we could solve for x:  one way would be to factor the left side:

            [(x+1)-2][(x+1)+2]=0     The solutions would then be:

             x+1-2=0=> x-1=0, or x=1, and
             x+1 +2 = 0 => x+3=0, or x=-3.  (you were not asked to do this).


3 0
3 years ago
Help me with this please<br> only number 13 &amp; 14
lorasvet [3.4K]

Step-by-step explanation:

13 would be plotted on the x-axis, quadrant II. 14 would be on the x-axis, quadrant I

6 0
3 years ago
Read 2 more answers
There are bytes in a gigabyte. There are bytes in a megabyte. How many times greater is the storage capacity of a 1-gigabyte fla
anzhelika [568]

Answer: third option.

Step-by-step explanation:

You know that:

- There are 10⁹ bytes in a gigabyte.

- There are 10⁶  bytes in a megabyte.

Then, to know how many times greater  the storage capacity of a 1-gigabyte flash drive is than a 1-megabyte flash drive, you must divide 10⁹ bytes by 10⁶ bytes.

Remember the quotient of powers property:

\frac{a^m}{a^n}=a^{(m-n)}

Then:

=\frac{10^9}{10^6}=10^3=1,000 times greater

 

7 0
3 years ago
25% of €40:00 = €<br> And explain it
Wewaii [24]

Answer:

The correct answer is €10.00

Step-by-step explanation:

50% of 40 is 20. 50% of 50 is 25, so what you do is just take 20 and multiply that by 0.5 or you can just take 40 and multiply that by 0.25.

I really hope this helps you out!

5 0
3 years ago
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