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LenKa [72]
3 years ago
9

Help me please urgent !!

Mathematics
2 answers:
Andre45 [30]3 years ago
7 0

Answer:

0

Step-by-step explanation:

-0.75-20+71/2+13.25

-0.75-20+15/2+13.25

-7.5+15/2

-15/2+15/2

=0

Juli2301 [7.4K]3 years ago
4 0

-13.25+13.25

0 is the answer

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15. Divide the polynomial x^3 + x^2 - 2x + 3 by (x - 1).​
Stels [109]

Answer:

x² + 2x + [3\x - 1]

Step-by-step explanation:

Since the divisor is in the form of <em>x - c</em>, use what is called <em>Synthetic Division</em>. Remember, in this formula, -c gives you the OPPOSITE terms of what they really are, so do not forget it. Anyway, here is how it is done:

1| 1 1 -2 3

↓ 1 2 0

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

1 2 0 3 → x² + 2x + [3\x - 1]

You start by placing the <em>c</em> in the top left corner, then list all the coefficients of your dividend [x² + 5x - 36]. You bring down the original term closest to <em>c</em> then begin your multiplication. Now depending on what symbol your result is tells you whether the next step is to subtract or add, then you continue this process starting with multiplication all the way up until you reach the end. Now, when the last term is 0, that means you have no remainder, which in this case is a 3, so what you is set the divisor underneath the remainder of 3. Finally, your quotient is one degree less than your dividend, so that 1 in your quotient can be an x², 2 becomes <em>2x</em><em>,</em><em> </em>and the remainder of 3 is set over the divisor, giving you the other factor of <em>x² + 2x + [3\x - 1]</em>.

If you are ever in need of assistance, do not hesitate to let me know by subscribing to my channel [USERNAME: MATHEMATICS WIZARD], and as always, I am joyous to assist anyone at any time.

5 0
3 years ago
ACDE was translated down and right to form triangle
babymother [125]

Answer:the correct answer is ab,ef

Step-by-step explanation:

1,2,5,6 just took test

5 0
2 years ago
John ran the​ 100-m dash with a time of 9.96 sec. If this pace could be maintained for an entire 26-mi ​marathon, what would his
soldi70 [24.7K]
We know that 
1 mile----------------> 1609.34 meters
26 miles---------------> X
X=26*1609.34=41842.84 m

I apply a rule of three to know the time

if 100 m---------------9.96 sec
41842.84 m----------> x
x=41842.84*9.96/100=4167.5468 sec

to get minutes I divide it by 60---------> 4167.5468/60=69.459113 minutes

to get hours I divide it by 60----------> 69.459113/60=1.1576518 hours

1.1576518= 1 hour 9 minutes 27.55 sec

the answer is 1 hour 9 minutes 27.55 sec------->(4167.5468 sec)

3 0
3 years ago
Manuel is making cookies for the holidays. Each batch of cookies he will make requires 3/4 cup of sugar. He has a total of 2 5/8
vichka [17]
Set up proportions.
 3/4 cups → 1 batch
x cups    → 2 batches 
x = 2(3/4) = 6/4 = 1 1/2 cups 
3/4 cups → 1 batch
y cups → 9 batches


y = 9(3/4) = 6 3/4 cups
5 0
3 years ago
PLEASE HELP ASAP ASAP
bagirrra123 [75]

Answer:

y=-3x-1

Step-by-step explanation:

We can calculate the slope of this line:

Slope = (y2-y1)/(x2-x1) = (-4-2)/(1-(-1)) = -6/2 = -3

We can pretty much stop here and say B is correct.

3 0
3 years ago
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